include/babeltrace2/plugin/plugin-dev.h

   1 #ifndef BABELTRACE_PLUGIN_PLUGIN_DEV_H
   2 #define BABELTRACE_PLUGIN_PLUGIN_DEV_H
   3
   4 /*
   5  * This is the header that you need to include for the development of
   6  * a Babeltrace plug-in.
   7  *
   8  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   9  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <stdint.h>
  31
  32 /* For enum bt_plugin_status */
  33 #include <babeltrace2/plugin/plugin-const.h>
  34
  35 /* For bt_component_class_type */
  36 #include <babeltrace2/graph/component-class-const.h>
  37
  38 /* For component class method type definitions */
  39 #include <babeltrace2/graph/component-class-source.h>
  40 #include <babeltrace2/graph/component-class-filter.h>
  41 #include <babeltrace2/graph/component-class-sink.h>
  42
  43 /*
  44  * _BT_HIDDEN: set the hidden attribute for internal functions
  45  * On Windows, symbols are local unless explicitly exported,
  46  * see https://gcc.gnu.org/wiki/Visibility
  47  */
  48 #if defined(_WIN32) || defined(__CYGWIN__)
  49 #define _BT_HIDDEN
  50 #else
  51 #define _BT_HIDDEN __attribute__((visibility("hidden")))
  52 #endif
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 /*
  59  * Plugin interface's version, not synced with Babeltrace's version
  60  * (internal use).
  61  */
  62 #define __BT_PLUGIN_VERSION_MAJOR       1
  63 #define __BT_PLUGIN_VERSION_MINOR       0
  64
  65 /* Plugin initialization function type */
  66 typedef enum bt_self_plugin_status {
  67         BT_SELF_PLUGIN_STATUS_OK = 0,
  68         BT_SELF_PLUGIN_STATUS_NOMEM = -12,
  69         BT_SELF_PLUGIN_STATUS_ERROR = -1,
  70 } bt_self_plugin_status;
  71
  72 typedef struct bt_self_plugin bt_self_plugin;
  73
  74 typedef bt_self_plugin_status (*bt_plugin_init_func)(
  75                 bt_self_plugin *plugin);
  76
  77 /* Plugin exit function type */
  78 typedef void (*bt_plugin_exit_func)(void);
  79
  80 /* Plugin descriptor: describes a single plugin (internal use) */
  81 struct __bt_plugin_descriptor {
  82         /* Plugin's interface major version number */
  83         uint32_t major;
  84
  85         /* Plugin's interface minor version number */
  86         uint32_t minor;
  87
  88         /* Plugin's name */
  89         const char *name;
  90 } __attribute__((packed));
  91
  92 /* Type of a plugin attribute (internal use) */
  93 enum __bt_plugin_descriptor_attribute_type {
  94         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT                = 0,
  95         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT                = 1,
  96         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR              = 2,
  97         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE             = 3,
  98         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION         = 4,
  99         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION             = 5,
 100 };
 101
 102 /* Plugin (user) version */
 103 struct __bt_plugin_descriptor_version {
 104         uint32_t major;
 105         uint32_t minor;
 106         uint32_t patch;
 107         const char *extra;
 108 };
 109
 110 /* Plugin attribute (internal use) */
 111 struct __bt_plugin_descriptor_attribute {
 112         /* Plugin descriptor to which to associate this attribute */
 113         const struct __bt_plugin_descriptor *plugin_descriptor;
 114
 115         /* Name of the attribute's type for debug purposes */
 116         const char *type_name;
 117
 118         /* Attribute's type */
 119         enum __bt_plugin_descriptor_attribute_type type;
 120
 121         /* Attribute's value (depends on attribute's type) */
 122         union {
 123                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
 124                 bt_plugin_init_func init;
 125
 126                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
 127                 bt_plugin_exit_func exit;
 128
 129                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
 130                 const char *author;
 131
 132                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
 133                 const char *license;
 134
 135                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 136                 const char *description;
 137
 138                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
 139                 struct __bt_plugin_descriptor_version version;
 140         } value;
 141 } __attribute__((packed));
 142
 143 /* Component class descriptor (internal use) */
 144 struct __bt_plugin_component_class_descriptor {
 145         /*
 146          * Plugin descriptor to which to associate this component
 147          * class descriptor.
 148          */
 149         const struct __bt_plugin_descriptor *plugin_descriptor;
 150
 151         /* Component class name */
 152         const char *name;
 153
 154         /* Component class type */
 155         bt_component_class_type type;
 156
 157         /* Mandatory methods (depends on component class type) */
 158         union {
 159                 /* BT_COMPONENT_CLASS_TYPE_SOURCE */
 160                 struct {
 161                         bt_component_class_source_message_iterator_next_method msg_iter_next;
 162                 } source;
 163
 164                 /* BT_COMPONENT_CLASS_TYPE_FILTER */
 165                 struct {
 166                         bt_component_class_filter_message_iterator_next_method msg_iter_next;
 167                 } filter;
 168
 169                 /* BT_COMPONENT_CLASS_TYPE_SINK */
 170                 struct {
 171                         bt_component_class_sink_consume_method consume;
 172                 } sink;
 173         } methods;
 174 } __attribute__((packed));
 175
 176 /* Type of a component class attribute (internal use) */
 177 enum __bt_plugin_component_class_descriptor_attribute_type {
 178         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                                 = 0,
 179         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                                        = 1,
 180         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD                                 = 2,
 181         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD                             = 3,
 182         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                                = 4,
 183         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD         = 5,
 184         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD        = 6,
 185         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 7,
 186         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 8,
 187         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD                  = 9,
 188         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 10,
 189         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 11,
 190         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD         = 12,
 191         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD              = 13,
 192         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD     = 14,
 193         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD          = 15,
 194 };
 195
 196 /* Component class attribute (internal use) */
 197 struct __bt_plugin_component_class_descriptor_attribute {
 198         /*
 199          * Component class plugin attribute to which to associate this
 200          * component class attribute.
 201          */
 202         const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 203
 204         /* Name of the attribute's type for debug purposes */
 205         const char *type_name;
 206
 207         /* Attribute's type */
 208         enum __bt_plugin_component_class_descriptor_attribute_type type;
 209
 210         /* Attribute's value (depends on attribute's type) */
 211         union {
 212                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 213                 const char *description;
 214
 215                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
 216                 const char *help;
 217
 218                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD */
 219                 bt_component_class_source_init_method source_init_method;
 220                 bt_component_class_filter_init_method filter_init_method;
 221                 bt_component_class_sink_init_method sink_init_method;
 222
 223                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
 224                 bt_component_class_source_finalize_method source_finalize_method;
 225                 bt_component_class_filter_finalize_method filter_finalize_method;
 226                 bt_component_class_sink_finalize_method sink_finalize_method;
 227
 228                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
 229                 bt_component_class_source_query_method source_query_method;
 230                 bt_component_class_filter_query_method filter_query_method;
 231                 bt_component_class_sink_query_method sink_query_method;
 232
 233                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD */
 234                 bt_component_class_filter_accept_input_port_connection_method filter_accept_input_port_connection_method;
 235                 bt_component_class_sink_accept_input_port_connection_method sink_accept_input_port_connection_method;
 236
 237                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD */
 238                 bt_component_class_source_accept_output_port_connection_method source_accept_output_port_connection_method;
 239                 bt_component_class_filter_accept_output_port_connection_method filter_accept_output_port_connection_method;
 240
 241                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
 242                 bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
 243                 bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 244
 245                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
 246                 bt_component_class_source_output_port_connected_method source_output_port_connected_method;
 247                 bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 248
 249                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD */
 250                 bt_component_class_sink_graph_is_configured_method sink_graph_is_configured_method;
 251
 252                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD */
 253                 bt_component_class_source_message_iterator_init_method source_msg_iter_init_method;
 254                 bt_component_class_filter_message_iterator_init_method filter_msg_iter_init_method;
 255
 256                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
 257                 bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
 258                 bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
 259
 260                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
 261                 bt_component_class_source_message_iterator_seek_ns_from_origin_method source_msg_iter_seek_ns_from_origin_method;
 262                 bt_component_class_filter_message_iterator_seek_ns_from_origin_method filter_msg_iter_seek_ns_from_origin_method;
 263
 264                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
 265                 bt_component_class_source_message_iterator_seek_beginning_method source_msg_iter_seek_beginning_method;
 266                 bt_component_class_filter_message_iterator_seek_beginning_method filter_msg_iter_seek_beginning_method;
 267
 268                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
 269                 bt_component_class_source_message_iterator_can_seek_ns_from_origin_method source_msg_iter_can_seek_ns_from_origin_method;
 270                 bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method filter_msg_iter_can_seek_ns_from_origin_method;
 271
 272                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
 273                 bt_component_class_source_message_iterator_can_seek_beginning_method source_msg_iter_can_seek_beginning_method;
 274                 bt_component_class_filter_message_iterator_can_seek_beginning_method filter_msg_iter_can_seek_beginning_method;
 275         } value;
 276 } __attribute__((packed));
 277
 278 struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
 279 struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
 280 struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
 281 struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
 282 struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
 283 struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
 284 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
 285 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 286
 287 /*
 288  * Variable attributes for a plugin descriptor pointer to be added to
 289  * the plugin descriptor section (internal use).
 290  */
 291 #ifdef __APPLE__
 292 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 293         __attribute__((section("__DATA,btp_desc"), used))
 294
 295 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 296         __start___bt_plugin_descriptors
 297
 298 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 299         __stop___bt_plugin_descriptors
 300
 301 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
 302         __asm("section$start$__DATA$btp_desc")
 303
 304 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
 305         __asm("section$end$__DATA$btp_desc")
 306
 307 #else
 308
 309 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 310         __attribute__((section("__bt_plugin_descriptors"), used))
 311
 312 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 313         __start___bt_plugin_descriptors
 314
 315 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 316         __stop___bt_plugin_descriptors
 317
 318 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 319
 320 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
 321 #endif
 322
 323 /*
 324  * Variable attributes for a plugin attribute pointer to be added to
 325  * the plugin attribute section (internal use).
 326  */
 327 #ifdef __APPLE__
 328 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 329         __attribute__((section("__DATA,btp_desc_att"), used))
 330
 331 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 332         __start___bt_plugin_descriptor_attributes
 333
 334 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 335         __stop___bt_plugin_descriptor_attributes
 336
 337 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 338         __asm("section$start$__DATA$btp_desc_att")
 339
 340 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 341         __asm("section$end$__DATA$btp_desc_att")
 342
 343 #else
 344
 345 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 346         __attribute__((section("__bt_plugin_descriptor_attributes"), used))
 347
 348 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 349         __start___bt_plugin_descriptor_attributes
 350
 351 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 352         __stop___bt_plugin_descriptor_attributes
 353
 354 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 355
 356 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 357 #endif
 358
 359 /*
 360  * Variable attributes for a component class descriptor pointer to be
 361  * added to the component class descriptor section (internal use).
 362  */
 363 #ifdef __APPLE__
 364 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 365         __attribute__((section("__DATA,btp_cc_desc"), used))
 366
 367 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 368         __start___bt_plugin_component_class_descriptors
 369
 370 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 371         __stop___bt_plugin_component_class_descriptors
 372
 373 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
 374         __asm("section$start$__DATA$btp_cc_desc")
 375
 376 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
 377         __asm("section$end$__DATA$btp_cc_desc")
 378
 379 #else
 380
 381 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 382         __attribute__((section("__bt_plugin_component_class_descriptors"), used))
 383
 384 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 385         __start___bt_plugin_component_class_descriptors
 386
 387 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 388         __stop___bt_plugin_component_class_descriptors
 389
 390 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 391
 392 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
 393 #endif
 394
 395 /*
 396  * Variable attributes for a component class descriptor attribute
 397  * pointer to be added to the component class descriptor attribute
 398  * section (internal use).
 399  */
 400 #ifdef __APPLE__
 401 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 402         __attribute__((section("__DATA,btp_cc_desc_att"), used))
 403
 404 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 405         __start___bt_plugin_component_class_descriptor_attributes
 406
 407 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 408         __stop___bt_plugin_component_class_descriptor_attributes
 409
 410 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 411         __asm("section$start$__DATA$btp_cc_desc_att")
 412
 413 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 414         __asm("section$end$__DATA$btp_cc_desc_att")
 415
 416 #else
 417
 418 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 419         __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
 420
 421 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 422         __start___bt_plugin_component_class_descriptor_attributes
 423
 424 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 425         __stop___bt_plugin_component_class_descriptor_attributes
 426
 427 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 428
 429 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 430 #endif
 431
 432 /*
 433  * Declares a plugin descriptor pointer variable with a custom ID.
 434  *
 435  * _id: ID (any valid C identifier except `auto`).
 436  */
 437 #define BT_PLUGIN_DECLARE(_id) extern struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id
 438
 439 /*
 440  * Defines a plugin descriptor with a custom ID.
 441  *
 442  * _id:   ID (any valid C identifier except `auto`).
 443  * _name: Plugin's name (C string).
 444  */
 445 #define BT_PLUGIN_WITH_ID(_id, _name)                                   \
 446         struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
 447                 .major = __BT_PLUGIN_VERSION_MAJOR,                     \
 448                 .minor = __BT_PLUGIN_VERSION_MINOR,                     \
 449                 .name = _name,                                          \
 450         };                                                              \
 451         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 452
 453 /*
 454  * Defines a plugin attribute (generic, internal use).
 455  *
 456  * _attr_name: Name of the attribute (C identifier).
 457  * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 458  * _id:        Plugin descriptor ID (C identifier).
 459  * _x:         Value.
 460  */
 461 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
 462         static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
 463                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 464                 .type_name = #_attr_name,                               \
 465                 .type = _attr_type,                                     \
 466                 .value._attr_name = _x,                                 \
 467         };                                                              \
 468         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
 469
 470 /*
 471  * Defines a plugin initialization function attribute attached to a
 472  * specific plugin descriptor.
 473  *
 474  * _id: Plugin descriptor ID (C identifier).
 475  * _x:  Initialization function (bt_plugin_init_func).
 476  */
 477 #define BT_PLUGIN_INIT_WITH_ID(_id, _x) \
 478         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _x)
 479
 480 /*
 481  * Defines a plugin exit function attribute attached to a specific
 482  * plugin descriptor.
 483  *
 484  * _id: Plugin descriptor ID (C identifier).
 485  * _x:  Exit function (bt_plugin_exit_func).
 486  */
 487 #define BT_PLUGIN_EXIT_WITH_ID(_id, _x) \
 488         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _x)
 489
 490 /*
 491  * Defines an author attribute attached to a specific plugin descriptor.
 492  *
 493  * _id: Plugin descriptor ID (C identifier).
 494  * _x:  Author (C string).
 495  */
 496 #define BT_PLUGIN_AUTHOR_WITH_ID(_id, _x) \
 497         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _x)
 498
 499 /*
 500  * Defines a license attribute attached to a specific plugin descriptor.
 501  *
 502  * _id: Plugin descriptor ID (C identifier).
 503  * _x:  License (C string).
 504  */
 505 #define BT_PLUGIN_LICENSE_WITH_ID(_id, _x) \
 506         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _x)
 507
 508 /*
 509  * Defines a description attribute attached to a specific plugin
 510  * descriptor.
 511  *
 512  * _id: Plugin descriptor ID (C identifier).
 513  * _x:  Description (C string).
 514  */
 515 #define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _x) \
 516         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _x)
 517
 518 #define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
 519         {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 520
 521 /*
 522  * Defines a version attribute attached to a specific plugin descriptor.
 523  *
 524  * _id:    Plugin descriptor ID (C identifier).
 525  * _major: Plugin's major version (uint32_t).
 526  * _minor: Plugin's minor version (uint32_t).
 527  * _patch: Plugin's patch version (uint32_t).
 528  * _extra: Plugin's version extra information (C string).
 529  */
 530 #define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
 531         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 532
 533 /*
 534  * Defines a source component class descriptor with a custom ID.
 535  *
 536  * _id:                     ID (any valid C identifier except `auto`).
 537  * _comp_class_id:          Component class ID (C identifier).
 538  * _name:                   Component class name (C string).
 539  * _msg_iter_next_method: Component class's iterator next method
 540  *                          (bt_component_class_source_message_iterator_next_method).
 541  */
 542 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 543         static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id = { \
 544                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 545                 .name = _name,                                          \
 546                 .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                 \
 547                 .methods.source = {                                     \
 548                         .msg_iter_next = _msg_iter_next_method, \
 549                 },                                                      \
 550         };                                                              \
 551         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
 552
 553 /*
 554  * Defines a filter component class descriptor with a custom ID.
 555  *
 556  * _id:                     ID (any valid C identifier except `auto`).
 557  * _comp_class_id:          Component class ID (C identifier).
 558  * _name:                   Component class name (C string).
 559  * _msg_iter_next_method: Component class's iterator next method
 560  *                          (bt_component_class_filter_message_iterator_next_method).
 561  */
 562 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 563         static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id = { \
 564                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 565                 .name = _name,                                          \
 566                 .type = BT_COMPONENT_CLASS_TYPE_FILTER,                 \
 567                 .methods.filter = {                                     \
 568                         .msg_iter_next = _msg_iter_next_method, \
 569                 },                                                      \
 570         };                                                              \
 571         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
 572
 573 /*
 574  * Defines a sink component class descriptor with a custom ID.
 575  *
 576  * _id:                 ID (any valid C identifier except `auto`).
 577  * _comp_class_id:      Component class ID (C identifier).
 578  * _name:               Component class name (C string).
 579  * _consume_method:     Component class's iterator consume method
 580  *                      (bt_component_class_sink_consume_method).
 581  */
 582 #define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _consume_method) \
 583         static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id = { \
 584                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 585                 .name = _name,                                          \
 586                 .type = BT_COMPONENT_CLASS_TYPE_SINK,                   \
 587                 .methods.sink = {                                       \
 588                         .consume = _consume_method,                     \
 589                 },                                                      \
 590         };                                                              \
 591         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
 592
 593 /*
 594  * Defines a component class descriptor attribute (generic, internal
 595  * use).
 596  *
 597  * _id:            Plugin descriptor ID (C identifier).
 598  * _comp_class_id: Component class ID (C identifier).
 599  * _type:          Component class type (`source`, `filter`, or `sink`).
 600  * _attr_name:     Name of the attribute (C identifier).
 601  * _attr_type:     Type of the attribute
 602  *                 (enum __bt_plugin_descriptor_attribute_type).
 603  * _x:             Value.
 604  */
 605 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _comp_class_id, _type, _x) \
 606         static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name = { \
 607                 .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_comp_class_id, \
 608                 .type_name = #_attr_name,                               \
 609                 .type = _attr_type,                                     \
 610                 .value._attr_name = _x,                                 \
 611         };                                                              \
 612         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
 613
 614 /*
 615  * Defines a description attribute attached to a specific source
 616  * component class descriptor.
 617  *
 618  * _id:            Plugin descriptor ID (C identifier).
 619  * _comp_class_id: Component class descriptor ID (C identifier).
 620  * _x:             Description (C string).
 621  */
 622 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 623         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, source, _x)
 624
 625 /*
 626  * Defines a description attribute attached to a specific filter
 627  * component class descriptor.
 628  *
 629  * _id:            Plugin descriptor ID (C identifier).
 630  * _comp_class_id: Component class descriptor ID (C identifier).
 631  * _x:             Description (C string).
 632  */
 633 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 634         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, filter, _x)
 635
 636 /*
 637  * Defines a description attribute attached to a specific sink
 638  * component class descriptor.
 639  *
 640  * _id:            Plugin descriptor ID (C identifier).
 641  * _comp_class_id: Component class descriptor ID (C identifier).
 642  * _x:             Description (C string).
 643  */
 644 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 645         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, sink, _x)
 646
 647 /*
 648  * Defines a help attribute attached to a specific source component
 649  * class descriptor.
 650  *
 651  * _id:            Plugin descriptor ID (C identifier).
 652  * _comp_class_id: Component class descriptor ID (C identifier).
 653  * _x:             Help (C string).
 654  */
 655 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 656         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, source, _x)
 657
 658 /*
 659  * Defines a help attribute attached to a specific filter component
 660  * class descriptor.
 661  *
 662  * _id:            Plugin descriptor ID (C identifier).
 663  * _comp_class_id: Component class descriptor ID (C identifier).
 664  * _x:             Help (C string).
 665  */
 666 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 667         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, filter, _x)
 668
 669 /*
 670  * Defines a help attribute attached to a specific sink component class
 671  * descriptor.
 672  *
 673  * _id:            Plugin descriptor ID (C identifier).
 674  * _comp_class_id: Component class descriptor ID (C identifier).
 675  * _x:             Help (C string).
 676  */
 677 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 678         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, sink, _x)
 679
 680 /*
 681  * Defines an initialization method attribute attached to a specific
 682  * source component class descriptor.
 683  *
 684  * _id:            Plugin descriptor ID (C identifier).
 685  * _comp_class_id: Component class descriptor ID (C identifier).
 686  * _x:             Initialization method (bt_component_class_source_init_method).
 687  */
 688 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 689         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, source, _x)
 690
 691 /*
 692  * Defines an initialization method attribute attached to a specific
 693  * filter component class descriptor.
 694  *
 695  * _id:            Plugin descriptor ID (C identifier).
 696  * _comp_class_id: Component class descriptor ID (C identifier).
 697  * _x:             Initialization method (bt_component_class_filter_init_method).
 698  */
 699 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 700         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, filter, _x)
 701
 702 /*
 703  * Defines an initialization method attribute attached to a specific
 704  * sink component class descriptor.
 705  *
 706  * _id:            Plugin descriptor ID (C identifier).
 707  * _comp_class_id: Component class descriptor ID (C identifier).
 708  * _x:             Initialization method (bt_component_class_sink_init_method).
 709  */
 710 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 711         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, sink, _x)
 712
 713 /*
 714  * Defines a finalization method attribute attached to a specific source
 715  * component class descriptor.
 716  *
 717  * _id:            Plugin descriptor ID (C identifier).
 718  * _comp_class_id: Component class descriptor ID (C identifier).
 719  * _x:             Finalize method (bt_component_class_source_finalize_method).
 720  */
 721 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 722         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 723
 724 /*
 725  * Defines a finalization method attribute attached to a specific filter
 726  * component class descriptor.
 727  *
 728  * _id:            Plugin descriptor ID (C identifier).
 729  * _comp_class_id: Component class descriptor ID (C identifier).
 730  * _x:             Finalize method (bt_component_class_filter_finalize_method).
 731  */
 732 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 733         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 734
 735 /*
 736  * Defines a finalization method attribute attached to a specific sink
 737  * component class descriptor.
 738  *
 739  * _id:            Plugin descriptor ID (C identifier).
 740  * _comp_class_id: Component class descriptor ID (C identifier).
 741  * _x:             Finalize method (bt_component_class_sink_finalize_method).
 742  */
 743 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 744         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, sink, _x)
 745
 746 /*
 747  * Defines a query method attribute attached to a specific source
 748  * component class descriptor.
 749  *
 750  * _id:            Plugin descriptor ID (C identifier).
 751  * _comp_class_id: Component class descriptor ID (C identifier).
 752  * _x:             Finalize method (bt_component_class_source_query_method).
 753  */
 754 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 755         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, source, _x)
 756
 757 /*
 758  * Defines a query method attribute attached to a specific filter
 759  * component class descriptor.
 760  *
 761  * _id:            Plugin descriptor ID (C identifier).
 762  * _comp_class_id: Component class descriptor ID (C identifier).
 763  * _x:             Finalize method (bt_component_class_filter_query_method).
 764  */
 765 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 766         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, filter, _x)
 767
 768 /*
 769  * Defines a query method attribute attached to a specific sink
 770  * component class descriptor.
 771  *
 772  * _id:            Plugin descriptor ID (C identifier).
 773  * _comp_class_id: Component class descriptor ID (C identifier).
 774  * _x:             Finalize method (bt_component_class_sink_query_method).
 775  */
 776 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 777         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, sink, _x)
 778
 779 /*
 780  * Defines an accept input port connection method attribute attached to
 781  * a specific filter component class descriptor.
 782  *
 783  * _id:            Plugin descriptor ID (C identifier).
 784  * _comp_class_id: Component class descriptor ID (C identifier).
 785  * _x:             Accept port connection method
 786  *                 (bt_component_class_filter_accept_input_port_connection_method).
 787  */
 788 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 789         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 790
 791 /*
 792  * Defines an accept input port connection method attribute attached to
 793  * a specific sink component class descriptor.
 794  *
 795  * _id:            Plugin descriptor ID (C identifier).
 796  * _comp_class_id: Component class descriptor ID (C identifier).
 797  * _x:             Accept port connection method
 798  *                 (bt_component_class_sink_accept_input_port_connection_method).
 799  */
 800 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 801         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, sink, _x)
 802
 803 /*
 804  * Defines an accept output port connection method attribute attached to
 805  * a specific source component class descriptor.
 806  *
 807  * _id:            Plugin descriptor ID (C identifier).
 808  * _comp_class_id: Component class descriptor ID (C identifier).
 809  * _x:             Accept port connection method
 810  *                 (bt_component_class_source_accept_output_port_connection_method).
 811  */
 812 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 813         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, source, _x)
 814
 815 /*
 816  * Defines an accept output port connection method attribute attached to
 817  * a specific filter component class descriptor.
 818  *
 819  * _id:            Plugin descriptor ID (C identifier).
 820  * _comp_class_id: Component class descriptor ID (C identifier).
 821  * _x:             Accept port connection method
 822  *                 (bt_component_class_filter_accept_output_port_connection_method).
 823  */
 824 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 825         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 826
 827 /*
 828  * Defines an input port connected method attribute attached to a
 829  * specific filter component class descriptor.
 830  *
 831  * _id:            Plugin descriptor ID (C identifier).
 832  * _comp_class_id: Component class descriptor ID (C identifier).
 833  * _x:             Port connected method
 834  *                 (bt_component_class_filter_input_port_connected_method).
 835  */
 836 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 837         __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)
 838
 839 /*
 840  * Defines an input port connected method attribute attached to a
 841  * specific sink component class descriptor.
 842  *
 843  * _id:            Plugin descriptor ID (C identifier).
 844  * _comp_class_id: Component class descriptor ID (C identifier).
 845  * _x:             Port connected method
 846  *                 (bt_component_class_sink_input_port_connected_method).
 847  */
 848 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 849         __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)
 850
 851 /*
 852  * Defines an output port connected method attribute attached to a
 853  * specific source component class descriptor.
 854  *
 855  * _id:            Plugin descriptor ID (C identifier).
 856  * _comp_class_id: Component class descriptor ID (C identifier).
 857  * _x:             Port connected method
 858  *                 (bt_component_class_source_output_port_connected_method).
 859  */
 860 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 861         __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)
 862
 863 /*
 864  * Defines an output port connected method attribute attached to a
 865  * specific filter component class descriptor.
 866  *
 867  * _id:            Plugin descriptor ID (C identifier).
 868  * _comp_class_id: Component class descriptor ID (C identifier).
 869  * _x:             Port connected method
 870  *                 (bt_component_class_filter_output_port_connected_method).
 871  */
 872 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 873         __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)
 874
 875 /*
 876  * Defines a "graph is configured" method attribute attached to a
 877  * specific sink component class descriptor.
 878  *
 879  * _id:            Plugin descriptor ID (C identifier).
 880  * _comp_class_id: Component class descriptor ID (C identifier).
 881  * _x:             "Graph is configured" method
 882  *                 (bt_component_class_sink_graph_is_configured_method).
 883  */
 884 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 885         __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)
 886
 887 /*
 888  * Defines an iterator initialization method attribute attached to a
 889  * specific source component class descriptor.
 890  *
 891  * _id:            Plugin descriptor ID (C identifier).
 892  * _comp_class_id: Component class descriptor ID (C identifier).
 893  * _x:             Iterator initialization method
 894  *                 (bt_component_class_source_message_iterator_init_method).
 895  */
 896 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 897         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, source, _x)
 898
 899 /*
 900  * Defines an iterator finalize method attribute attached to a specific
 901  * source component class descriptor.
 902  *
 903  * _id:            Plugin descriptor ID (C identifier).
 904  * _comp_class_id: Component class descriptor ID (C identifier).
 905  * _x:             Iterator finalize method
 906  *                 (bt_component_class_source_message_iterator_finalize_method).
 907  */
 908 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 909         __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)
 910
 911 /*
 912  * Defines an iterator "seek nanoseconds from origin" method attribute
 913  * attached to a specific source component class descriptor.
 914  *
 915  * _id:            Plugin descriptor ID (C identifier).
 916  * _comp_class_id: Component class descriptor ID (C identifier).
 917  * _x:             Iterator "seek nanoseconds from origin" method
 918  *                 (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
 919  */
 920 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 921         __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)
 922
 923 /*
 924  * Defines an iterator "seek beginning" method attribute attached to a
 925  * specific source component class descriptor.
 926  *
 927  * _id:            Plugin descriptor ID (C identifier).
 928  * _comp_class_id: Component class descriptor ID (C identifier).
 929  * _x:             Iterator "seek beginning" method
 930  *                 (bt_component_class_source_message_iterator_seek_beginning_method).
 931  */
 932 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 933         __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)
 934
 935 /*
 936  * Defines an iterator "can seek nanoseconds from origin" method
 937  * attribute attached to a specific source component class descriptor.
 938  *
 939  * _id:            Plugin descriptor ID (C identifier).
 940  * _comp_class_id: Component class descriptor ID (C identifier).
 941  * _x:             Iterator "can seek nanoseconds from origin" method
 942  *                 (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
 943  */
 944 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 945         __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)
 946
 947 /*
 948  * Defines an iterator "can seek beginning" method attribute attached to a
 949  * specific source component class descriptor.
 950  *
 951  * _id:            Plugin descriptor ID (C identifier).
 952  * _comp_class_id: Component class descriptor ID (C identifier).
 953  * _x:             Iterator "can seek beginning" method
 954  *                 (bt_component_class_source_message_iterator_can_seek_beginning_method).
 955  */
 956 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 957         __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)
 958
 959 /*
 960  * Defines an iterator initialization method attribute attached to a
 961  * specific filter component class descriptor.
 962  *
 963  * _id:            Plugin descriptor ID (C identifier).
 964  * _comp_class_id: Component class descriptor ID (C identifier).
 965  * _x:             Iterator initialization method
 966  *                 (bt_component_class_filter_message_iterator_init_method).
 967  */
 968 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 969         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, filter, _x)
 970
 971 /*
 972  * Defines an iterator finalize method attribute attached to a specific
 973  * filter component class descriptor.
 974  *
 975  * _id:            Plugin descriptor ID (C identifier).
 976  * _comp_class_id: Component class descriptor ID (C identifier).
 977  * _x:             Iterator finalize method
 978  *                 (bt_component_class_filter_message_iterator_finalize_method).
 979  */
 980 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 981         __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)
 982
 983 /*
 984  * Defines an iterator "seek nanoseconds from origin" method attribute
 985  * attached to a specific filter component class descriptor.
 986  *
 987  * _id:            Plugin descriptor ID (C identifier).
 988  * _comp_class_id: Component class descriptor ID (C identifier).
 989  * _x:             Iterator "seek nanoseconds from origin" method
 990  *                 (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
 991  */
 992 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 993         __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)
 994
 995 /*
 996  * Defines an iterator "seek beginning" method attribute attached to a
 997  * specific filter component class descriptor.
 998  *
 999  * _id:            Plugin descriptor ID (C identifier).
1000  * _comp_class_id: Component class descriptor ID (C identifier).
1001  * _x:             Iterator "seek beginning" method
1002  *                 (bt_component_class_filter_message_iterator_seek_beginning_method).
1003  */
1004 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1005         __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)
1006
1007 /*
1008  * Defines an iterator "can seek nanoseconds from origin" method
1009  * attribute attached to a specific filter component class descriptor.
1010  *
1011  * _id:            Plugin descriptor ID (C identifier).
1012  * _comp_class_id: Component class descriptor ID (C identifier).
1013  * _x:             Iterator "can seek nanoseconds from origin" method
1014  *                 (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
1015  */
1016 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1017         __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)
1018
1019 /*
1020  * Defines an iterator "can seek beginning" method attribute attached to a
1021  * specific filter component class descriptor.
1022  *
1023  * _id:            Plugin descriptor ID (C identifier).
1024  * _comp_class_id: Component class descriptor ID (C identifier).
1025  * _x:             Iterator "can seek beginning" method
1026  *                 (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1027  */
1028 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1029         __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)
1030
1031 /*
1032  * Defines a plugin descriptor with an automatic ID.
1033  *
1034  * _name: Plugin's name (C string).
1035  */
1036 #define BT_PLUGIN(_name)                static BT_PLUGIN_WITH_ID(auto, #_name)
1037
1038 /*
1039  * Defines a plugin initialization function attribute attached to the
1040  * automatic plugin descriptor.
1041  *
1042  * _x: Initialization function (bt_plugin_init_func).
1043  */
1044 #define BT_PLUGIN_INIT(_x)              BT_PLUGIN_INIT_WITH_ID(auto, _x)
1045
1046  /*
1047  * Defines a plugin exit function attribute attached to the automatic
1048  * plugin descriptor.
1049  *
1050  * _x: Exit function (bt_plugin_exit_func).
1051  */
1052 #define BT_PLUGIN_EXIT(_x)              BT_PLUGIN_EXIT_WITH_ID(auto, _x)
1053
1054 /*
1055  * Defines an author attribute attached to the automatic plugin
1056  * descriptor.
1057  *
1058  * _x: Author (C string).
1059  */
1060 #define BT_PLUGIN_AUTHOR(_x)            BT_PLUGIN_AUTHOR_WITH_ID(auto, _x)
1061
1062 /*
1063  * Defines a license attribute attached to the automatic plugin
1064  * descriptor.
1065  *
1066  * _x: License (C string).
1067  */
1068 #define BT_PLUGIN_LICENSE(_x)           BT_PLUGIN_LICENSE_WITH_ID(auto, _x)
1069
1070 /*
1071  * Defines a description attribute attached to the automatic plugin
1072  * descriptor.
1073  *
1074  * _x: Description (C string).
1075  */
1076 #define BT_PLUGIN_DESCRIPTION(_x)       BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _x)
1077
1078 /*
1079  * Defines a version attribute attached to the automatic plugin
1080  * descriptor.
1081  *
1082  * _major: Plugin's major version (uint32_t).
1083  * _minor: Plugin's minor version (uint32_t).
1084  * _patch: Plugin's patch version (uint32_t).
1085  * _extra: Plugin's version extra information (C string).
1086  */
1087 #define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
1088
1089 /*
1090  * Defines a source component class attached to the automatic plugin
1091  * descriptor. Its ID is the same as its name, hence its name must be a
1092  * C identifier in this version.
1093  *
1094  * _name:                   Component class name (C identifier).
1095  * _msg_iter_next_method: Component class's iterator next method
1096  *                          (bt_component_class_source_message_iterator_next_method).
1097  */
1098 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1099         BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1100
1101 /*
1102  * Defines a filter component class attached to the automatic plugin
1103  * descriptor. Its ID is the same as its name, hence its name must be a
1104  * C identifier in this version.
1105  *
1106  * _name:                   Component class name (C identifier).
1107  * _msg_iter_next_method: Component class's iterator next method
1108  *                          (bt_component_class_filter_message_iterator_next_method).
1109  */
1110 #define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1111         BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1112
1113 /*
1114  * Defines a sink component class attached to the automatic plugin
1115  * descriptor. Its ID is the same as its name, hence its name must be a
1116  * C identifier in this version.
1117  *
1118  * _name:           Component class name (C identifier).
1119  * _consume_method: Component class's consume method
1120  *                  (bt_component_class_sink_consume_method).
1121  */
1122 #define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
1123         BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
1124
1125 /*
1126  * Defines a description attribute attached to a source component class
1127  * descriptor which is attached to the automatic plugin descriptor.
1128  *
1129  * _name: Component class name (C identifier).
1130  * _x:    Description (C string).
1131  */
1132 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1133         BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1134
1135 /*
1136  * Defines a description attribute attached to a filter component class
1137  * descriptor which is attached to the automatic plugin descriptor.
1138  *
1139  * _name: Component class name (C identifier).
1140  * _x:    Description (C string).
1141  */
1142 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1143         BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1144
1145 /*
1146  * Defines a description attribute attached to a sink component class
1147  * descriptor which is attached to the automatic plugin descriptor.
1148  *
1149  * _name: Component class name (C identifier).
1150  * _x:    Description (C string).
1151  */
1152 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1153         BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1154
1155 /*
1156  * Defines a help attribute attached to a source component class
1157  * descriptor which is attached to the automatic plugin descriptor.
1158  *
1159  * _name: Component class name (C identifier).
1160  * _x:    Help (C string).
1161  */
1162 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP(_name, _x) \
1163         BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1164
1165 /*
1166  * Defines a help attribute attached to a filter component class
1167  * descriptor which is attached to the automatic plugin descriptor.
1168  *
1169  * _name: Component class name (C identifier).
1170  * _x:    Help (C string).
1171  */
1172 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP(_name, _x) \
1173         BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1174
1175 /*
1176  * Defines a help attribute attached to a sink component class
1177  * descriptor which is attached to the automatic plugin descriptor.
1178  *
1179  * _name: Component class name (C identifier).
1180  * _x:    Help (C string).
1181  */
1182 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _x) \
1183         BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1184
1185 /*
1186  * Defines an initialization method attribute attached to a source
1187  * component class descriptor which is attached to the automatic plugin
1188  * descriptor.
1189  *
1190  * _name: Component class name (C identifier).
1191  * _x:    Initialization method (bt_component_class_source_init_method).
1192  */
1193 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1194         BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1195
1196 /*
1197  * Defines an initialization method attribute attached to a filter
1198  * component class descriptor which is attached to the automatic plugin
1199  * descriptor.
1200  *
1201  * _name: Component class name (C identifier).
1202  * _x:    Initialization method (bt_component_class_filter_init_method).
1203  */
1204 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1205         BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1206
1207 /*
1208  * Defines an initialization method attribute attached to a sink
1209  * component class descriptor which is attached to the automatic plugin
1210  * descriptor.
1211  *
1212  * _name: Component class name (C identifier).
1213  * _x:    Initialization method (bt_component_class_sink_init_method).
1214  */
1215 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1216         BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1217
1218 /*
1219  * Defines a finalization method attribute attached to a source component
1220  * class descriptor which is attached to the automatic plugin
1221  * descriptor.
1222  *
1223  * _name: Component class name (C identifier).
1224  * _x:    Initialization method (bt_component_class_source_finalize_method).
1225  */
1226 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1227         BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1228
1229 /*
1230  * Defines a finalization method attribute attached to a filter component
1231  * class descriptor which is attached to the automatic plugin
1232  * descriptor.
1233  *
1234  * _name: Component class name (C identifier).
1235  * _x:    Initialization method (bt_component_class_filter_finalize_method).
1236  */
1237 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1238         BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1239
1240 /*
1241  * Defines a finalization method attribute attached to a sink component class
1242  * descriptor which is attached to the automatic plugin descriptor.
1243  *
1244  * _name: Component class name (C identifier).
1245  * _x:    Initialization method (bt_component_class_sink_finalize_method).
1246  */
1247 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1248         BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1249
1250 /*
1251  * Defines a query method attribute attached to a source component
1252  * class descriptor which is attached to the automatic plugin
1253  * descriptor.
1254  *
1255  * _name: Component class name (C identifier).
1256  * _x:    Initialization method (bt_component_class_source_query_method).
1257  */
1258 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1259         BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1260
1261 /*
1262  * Defines a query method attribute attached to a filter component
1263  * class descriptor which is attached to the automatic plugin
1264  * descriptor.
1265  *
1266  * _name: Component class name (C identifier).
1267  * _x:    Initialization method (bt_component_class_filter_query_method).
1268  */
1269 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1270         BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1271
1272 /*
1273  * Defines a query method attribute attached to a sink component
1274  * class descriptor which is attached to the automatic plugin
1275  * descriptor.
1276  *
1277  * _name: Component class name (C identifier).
1278  * _x:    Initialization method (bt_component_class_sink_query_method).
1279  */
1280 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1281         BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1282
1283 /*
1284  * Defines an accept input port connection method attribute attached to
1285  * a filter component class descriptor which is attached to the
1286  * automatic plugin descriptor.
1287  *
1288  * _name: Component class name (C identifier).
1289  * _x:    Accept port connection method
1290  *        (bt_component_class_filter_accept_input_port_connection_method).
1291  */
1292 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1293         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1294
1295 /*
1296  * Defines an accept input port connection method attribute attached to
1297  * a sink component class descriptor which is attached to the automatic
1298  * plugin descriptor.
1299  *
1300  * _name: Component class name (C identifier).
1301  * _x:    Accept port connection method
1302  *        (bt_component_class_sink_accept_input_port_connection_method).
1303  */
1304 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1305         BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1306
1307 /*
1308  * Defines an accept output port connection method attribute attached to
1309  * a source component class descriptor which is attached to the
1310  * automatic plugin descriptor.
1311  *
1312  * _name: Component class name (C identifier).
1313  * _x:    Accept port connection method
1314  *        (bt_component_class_source_accept_output_port_connection_method).
1315  */
1316 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1317         BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1318
1319 /*
1320  * Defines an accept output port connection method attribute attached to
1321  * a filter component class descriptor which is attached to the
1322  * automatic plugin descriptor.
1323  *
1324  * _name: Component class name (C identifier).
1325  * _x:    Accept port connection method
1326  *        (bt_component_class_filter_accept_output_port_connection_method).
1327  */
1328 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1329         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1330
1331 /*
1332  * Defines an input port connected method attribute attached to a filter
1333  * component class descriptor which is attached to the automatic plugin
1334  * descriptor.
1335  *
1336  * _name: Component class name (C identifier).
1337  * _x:    Port connected (bt_component_class_filter_input_port_connected_method).
1338  */
1339 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1340         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1341
1342 /*
1343  * Defines an input port connected method attribute attached to a sink
1344  * component class descriptor which is attached to the automatic plugin
1345  * descriptor.
1346  *
1347  * _name: Component class name (C identifier).
1348  * _x:    Port connected (bt_component_class_sink_input_port_connected_method).
1349  */
1350 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1351         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1352
1353 /*
1354  * Defines an output port connected method attribute attached to a source
1355  * component class descriptor which is attached to the automatic plugin
1356  * descriptor.
1357  *
1358  * _name: Component class name (C identifier).
1359  * _x:    Port connected (bt_component_class_source_output_port_connected_method).
1360  */
1361 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1362         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1363
1364 /*
1365  * Defines an output port connected method attribute attached to a filter
1366  * component class descriptor which is attached to the automatic plugin
1367  * descriptor.
1368  *
1369  * _name: Component class name (C identifier).
1370  * _x:    Port connected (bt_component_class_filter_output_port_connected_method).
1371  */
1372 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1373         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1374
1375 /*
1376  * Defines a "graph is configured" method attribute attached to
1377  * a sink component class descriptor which is attached to the automatic
1378  * plugin descriptor.
1379  *
1380  * _name: Component class name (C identifier).
1381  * _x:    "Graph is configured" method
1382  *        (bt_component_class_sink_graph_is_configured_method).
1383  */
1384 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD(_name, _x) \
1385         BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(auto, _name, _x)
1386
1387 /*
1388  * Defines an iterator initialization method attribute attached to a
1389  * source component class descriptor which is attached to the automatic
1390  * plugin descriptor.
1391  *
1392  * _name: Component class name (C identifier).
1393  * _x:    Iterator initialization method
1394  *        (bt_component_class_source_message_iterator_init_method).
1395  */
1396 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1397         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1398
1399 /*
1400  * Defines an iterator finalize method attribute attached to a source
1401  * component class descriptor which is attached to the automatic plugin
1402  * descriptor.
1403  *
1404  * _name: Component class name (C identifier).
1405  * _x:    Iterator finalize method
1406  *        (bt_component_class_source_message_iterator_finalize_method).
1407  */
1408 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1409         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1410
1411 /*
1412  * Defines an iterator "seek nanoseconds from origin" method attribute
1413  * attached to a source component class descriptor which is attached to
1414  * the automatic plugin descriptor.
1415  *
1416  * _name: Component class name (C identifier).
1417  * _x:    Iterator "seek nanoseconds from origin" method
1418  *        (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
1419  */
1420 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1421         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1422
1423 /*
1424  * Defines an iterator "seek beginning" method attribute
1425  * attached to a source component class descriptor which is attached to
1426  * the automatic plugin descriptor.
1427  *
1428  * _name: Component class name (C identifier).
1429  * _x:    Iterator "seek beginning" method
1430  *        (bt_component_class_source_message_iterator_seek_beginning_method).
1431  */
1432 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1433         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1434
1435 /*
1436  * Defines an iterator "can seek nanoseconds from origin" method
1437  * attribute attached to a source component class descriptor which is
1438  * attached to the automatic plugin descriptor.
1439  *
1440  * _name: Component class name (C identifier).
1441  * _x:    Iterator "can seek nanoseconds from origin" method
1442  *        (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
1443  */
1444 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1445         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1446
1447 /*
1448  * Defines an iterator "can seek beginning" method attribute
1449  * attached to a source component class descriptor which is attached to
1450  * the automatic plugin descriptor.
1451  *
1452  * _name: Component class name (C identifier).
1453  * _x:    Iterator "can seek beginning" method
1454  *        (bt_component_class_source_message_iterator_can_seek_beginning_method).
1455  */
1456 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1457         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1458
1459 /*
1460  * Defines an iterator initialization method attribute attached to a
1461  * filter component class descriptor which is attached to the automatic
1462  * plugin descriptor.
1463  *
1464  * _name: Component class name (C identifier).
1465  * _x:    Iterator initialization method
1466  *        (bt_component_class_filter_message_iterator_init_method).
1467  */
1468 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1469         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1470
1471 /*
1472  * Defines an iterator finalize method attribute attached to a filter
1473  * component class descriptor which is attached to the automatic plugin
1474  * descriptor.
1475  *
1476  * _name: Component class name (C identifier).
1477  * _x:    Iterator finalize method
1478  *        (bt_component_class_filter_message_iterator_finalize_method).
1479  */
1480 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1481         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1482
1483 /*
1484  * Defines an iterator "seek nanoseconds from origin" method attribute
1485  * attached to a filter component class descriptor which is attached to
1486  * the automatic plugin descriptor.
1487  *
1488  * _name: Component class name (C identifier).
1489  * _x:    Iterator "seek nanoseconds from origin" method
1490  *        (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
1491  */
1492 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1493         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1494
1495 /*
1496  * Defines an iterator "seek beginning" method attribute
1497  * attached to a filter component class descriptor which is attached to
1498  * the automatic plugin descriptor.
1499  *
1500  * _name: Component class name (C identifier).
1501  * _x:    Iterator "seek beginning" method
1502  *        (bt_component_class_filter_message_iterator_seek_beginning_method).
1503  */
1504 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1505         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1506
1507 /*
1508  * Defines an iterator "can seek nanoseconds from origin" method
1509  * attribute attached to a filter component class descriptor which is
1510  * attached to the automatic plugin descriptor.
1511  *
1512  * _name: Component class name (C identifier).
1513  * _x:    Iterator "can seek nanoseconds from origin" method
1514  *        (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
1515  */
1516 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1517         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1518
1519 /*
1520  * Defines an iterator "can seek beginning" method attribute
1521  * attached to a filter component class descriptor which is attached to
1522  * the automatic plugin descriptor.
1523  *
1524  * _name: Component class name (C identifier).
1525  * _x:    Iterator "can seek beginning" method
1526  *        (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1527  */
1528 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1529         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1530
1531 #define BT_PLUGIN_MODULE() \
1532         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
1533         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
1534         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
1535         \
1536         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1537         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1538         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1539         \
1540         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
1541         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
1542         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
1543         \
1544         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; \
1545         _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; \
1546         _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; \
1547         \
1548         struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
1549         { \
1550                 return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
1551         } \
1552         struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
1553         { \
1554                 return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
1555         } \
1556         struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
1557         { \
1558                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1559         } \
1560         struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
1561         { \
1562                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1563         } \
1564         struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
1565         { \
1566                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
1567         } \
1568         struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
1569         { \
1570                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
1571         } \
1572         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
1573         { \
1574                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1575         } \
1576         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
1577         { \
1578                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1579         }
1580
1581 #ifdef __cplusplus
1582 }
1583 #endif
1584
1585 #endif /* BABELTRACE_PLUGIN_PLUGIN_DEV_H */