include/side/trace.h

   1 // SPDX-License-Identifier: MIT
   2 /*
   3  * Copyright 2022 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  */
   5
   6 #ifndef _SIDE_TRACE_H
   7 #define _SIDE_TRACE_H
   8
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 #include <math.h>
  14 #include <side/macros.h>
  15
  16 /* SIDE stands for "Static Instrumentation Dynamically Enabled" */
  17
  18 //TODO: as those structures will be ABI, we need to either consider them
  19 //fixed forever, or think of a scheme that would allow their binary
  20 //representation to be extended if need be.
  21
  22 struct side_arg_vec;
  23 struct side_arg_vec_description;
  24 struct side_arg_dynamic_vec;
  25 struct side_arg_dynamic_vec_vla;
  26 struct side_type_description;
  27 struct side_event_field;
  28 struct side_tracer_visitor_ctx;
  29 struct side_tracer_dynamic_struct_visitor_ctx;
  30 struct side_tracer_dynamic_vla_visitor_ctx;
  31 struct side_event_description;
  32 struct side_arg_dynamic_event_struct;
  33
  34 enum side_type {
  35         /* Basic types */
  36         SIDE_TYPE_BOOL,
  37         SIDE_TYPE_U8,
  38         SIDE_TYPE_U16,
  39         SIDE_TYPE_U32,
  40         SIDE_TYPE_U64,
  41         SIDE_TYPE_S8,
  42         SIDE_TYPE_S16,
  43         SIDE_TYPE_S32,
  44         SIDE_TYPE_S64,
  45         SIDE_TYPE_BLOB,
  46         SIDE_TYPE_FLOAT_BINARY16,
  47         SIDE_TYPE_FLOAT_BINARY32,
  48         SIDE_TYPE_FLOAT_BINARY64,
  49         SIDE_TYPE_FLOAT_BINARY128,
  50         SIDE_TYPE_STRING,
  51
  52         /* Compound types */
  53         SIDE_TYPE_STRUCT,
  54         SIDE_TYPE_ARRAY,
  55         SIDE_TYPE_VLA,
  56         SIDE_TYPE_VLA_VISITOR,
  57
  58         SIDE_TYPE_ARRAY_U8,
  59         SIDE_TYPE_ARRAY_U16,
  60         SIDE_TYPE_ARRAY_U32,
  61         SIDE_TYPE_ARRAY_U64,
  62         SIDE_TYPE_ARRAY_S8,
  63         SIDE_TYPE_ARRAY_S16,
  64         SIDE_TYPE_ARRAY_S32,
  65         SIDE_TYPE_ARRAY_S64,
  66         SIDE_TYPE_ARRAY_BLOB,
  67
  68         SIDE_TYPE_VLA_U8,
  69         SIDE_TYPE_VLA_U16,
  70         SIDE_TYPE_VLA_U32,
  71         SIDE_TYPE_VLA_U64,
  72         SIDE_TYPE_VLA_S8,
  73         SIDE_TYPE_VLA_S16,
  74         SIDE_TYPE_VLA_S32,
  75         SIDE_TYPE_VLA_S64,
  76         SIDE_TYPE_VLA_BLOB,
  77
  78         /* Enumeration types */
  79         SIDE_TYPE_ENUM,
  80
  81         SIDE_TYPE_ENUM_BITMAP8,
  82         SIDE_TYPE_ENUM_BITMAP16,
  83         SIDE_TYPE_ENUM_BITMAP32,
  84         SIDE_TYPE_ENUM_BITMAP64,
  85
  86         SIDE_TYPE_ENUM_BITMAP_ARRAY,
  87         SIDE_TYPE_ENUM_BITMAP_VLA,
  88
  89         /* Dynamic type */
  90         SIDE_TYPE_DYNAMIC,
  91 };
  92
  93 enum side_dynamic_type {
  94         /* Basic types */
  95         SIDE_DYNAMIC_TYPE_NULL,
  96         SIDE_DYNAMIC_TYPE_BOOL,
  97         SIDE_DYNAMIC_TYPE_U8,
  98         SIDE_DYNAMIC_TYPE_U16,
  99         SIDE_DYNAMIC_TYPE_U32,
 100         SIDE_DYNAMIC_TYPE_U64,
 101         SIDE_DYNAMIC_TYPE_S8,
 102         SIDE_DYNAMIC_TYPE_S16,
 103         SIDE_DYNAMIC_TYPE_S32,
 104         SIDE_DYNAMIC_TYPE_S64,
 105         SIDE_DYNAMIC_TYPE_BLOB,
 106         SIDE_DYNAMIC_TYPE_FLOAT_BINARY16,
 107         SIDE_DYNAMIC_TYPE_FLOAT_BINARY32,
 108         SIDE_DYNAMIC_TYPE_FLOAT_BINARY64,
 109         SIDE_DYNAMIC_TYPE_FLOAT_BINARY128,
 110         SIDE_DYNAMIC_TYPE_STRING,
 111
 112         /* Compound types */
 113         SIDE_DYNAMIC_TYPE_STRUCT,
 114         SIDE_DYNAMIC_TYPE_STRUCT_VISITOR,
 115         SIDE_DYNAMIC_TYPE_VLA,
 116         SIDE_DYNAMIC_TYPE_VLA_VISITOR,
 117 };
 118
 119 enum side_attr_type {
 120         SIDE_ATTR_TYPE_BOOL,
 121         SIDE_ATTR_TYPE_U8,
 122         SIDE_ATTR_TYPE_U16,
 123         SIDE_ATTR_TYPE_U32,
 124         SIDE_ATTR_TYPE_U64,
 125         SIDE_ATTR_TYPE_S8,
 126         SIDE_ATTR_TYPE_S16,
 127         SIDE_ATTR_TYPE_S32,
 128         SIDE_ATTR_TYPE_S64,
 129         SIDE_ATTR_TYPE_FLOAT_BINARY16,
 130         SIDE_ATTR_TYPE_FLOAT_BINARY32,
 131         SIDE_ATTR_TYPE_FLOAT_BINARY64,
 132         SIDE_ATTR_TYPE_FLOAT_BINARY128,
 133         SIDE_ATTR_TYPE_STRING,
 134 };
 135
 136 enum side_loglevel {
 137         SIDE_LOGLEVEL_EMERG = 0,
 138         SIDE_LOGLEVEL_ALERT = 1,
 139         SIDE_LOGLEVEL_CRIT = 2,
 140         SIDE_LOGLEVEL_ERR = 3,
 141         SIDE_LOGLEVEL_WARNING = 4,
 142         SIDE_LOGLEVEL_NOTICE = 5,
 143         SIDE_LOGLEVEL_INFO = 6,
 144         SIDE_LOGLEVEL_DEBUG = 7,
 145 };
 146
 147 enum side_visitor_status {
 148         SIDE_VISITOR_STATUS_OK = 0,
 149         SIDE_VISITOR_STATUS_ERROR = -1,
 150 };
 151
 152 typedef enum side_visitor_status (*side_visitor)(
 153                 const struct side_tracer_visitor_ctx *tracer_ctx,
 154                 void *app_ctx);
 155 typedef enum side_visitor_status (*side_dynamic_struct_visitor)(
 156                 const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 157                 void *app_ctx);
 158 typedef enum side_visitor_status (*side_dynamic_vla_visitor)(
 159                 const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
 160                 void *app_ctx);
 161
 162 struct side_attr_value {
 163         uint32_t type;  /* enum side_attr_type */
 164         union {
 165                 uint8_t side_bool;
 166                 uint8_t side_u8;
 167                 uint16_t side_u16;
 168                 uint32_t side_u32;
 169                 uint64_t side_u64;
 170                 int8_t side_s8;
 171                 int16_t side_s16;
 172                 int32_t side_s32;
 173                 int64_t side_s64;
 174 #if __HAVE_FLOAT16
 175                 _Float16 side_float_binary16;
 176 #endif
 177 #if __HAVE_FLOAT32
 178                 _Float32 side_float_binary32;
 179 #endif
 180 #if __HAVE_FLOAT64
 181                 _Float64 side_float_binary64;
 182 #endif
 183 #if __HAVE_FLOAT128
 184                 _Float128 side_float_binary128;
 185 #endif
 186                 const char *string;
 187         } u;
 188 };
 189
 190 /* User attributes. */
 191 struct side_attr {
 192         const char *key;
 193         const struct side_attr_value value;
 194 };
 195
 196 struct side_enum_mapping {
 197         int64_t range_begin;
 198         int64_t range_end;
 199         const char *label;
 200 };
 201
 202 struct side_enum_mappings {
 203         const struct side_enum_mapping *mappings;
 204         const struct side_attr *attr;
 205         uint32_t nr_mappings;
 206         uint32_t nr_attr;
 207 };
 208
 209 struct side_enum_bitmap_mapping {
 210         int64_t range_begin;
 211         int64_t range_end;
 212         const char *label;
 213 };
 214
 215 struct side_enum_bitmap_mappings {
 216         const struct side_enum_bitmap_mapping *mappings;
 217         const struct side_attr *attr;
 218         uint32_t nr_mappings;
 219         uint32_t nr_attr;
 220 };
 221
 222 struct side_type_struct {
 223         uint32_t nr_fields;
 224         uint32_t nr_attr;
 225         const struct side_event_field *fields;
 226         const struct side_attr *attr;
 227 };
 228
 229 struct side_type_description {
 230         uint32_t type;  /* enum side_type */
 231         union {
 232                 /* Basic types */
 233                 struct {
 234                         const struct side_attr *attr;
 235                         uint32_t nr_attr;
 236                 } side_basic;
 237
 238                 /* Compound types */
 239                 struct {
 240                         const struct side_type_description *elem_type;
 241                         const struct side_attr *attr;
 242                         uint32_t length;
 243                         uint32_t nr_attr;
 244                 } side_array;
 245                 struct {
 246                         const struct side_type_description *elem_type;
 247                         const struct side_attr *attr;
 248                         uint32_t nr_attr;
 249                 } side_vla;
 250                 struct {
 251                         const struct side_type_description *elem_type;
 252                         side_visitor visitor;
 253                         const struct side_attr *attr;
 254                         uint32_t nr_attr;
 255                 } side_vla_visitor;
 256                 const struct side_type_struct *side_struct;
 257
 258                 /* Enumeration types */
 259                 struct {
 260                         const struct side_type_description *elem_type;
 261                         const struct side_enum_mappings *mappings;
 262                 } side_enum;
 263
 264                 const struct side_enum_bitmap_mappings *side_enum_bitmap_mappings;
 265                 struct {
 266                         const struct side_type_description *elem_type;
 267                         const struct side_enum_bitmap_mappings *mappings;
 268                         uint32_t length;
 269                 } side_enum_bitmap_array;
 270                 struct {
 271                         const struct side_type_description *elem_type;
 272                         const struct side_enum_bitmap_mappings *mappings;
 273                 } side_enum_bitmap_vla;
 274         } u;
 275 };
 276
 277 struct side_event_field {
 278         const char *field_name;
 279         struct side_type_description side_type;
 280 };
 281
 282 enum side_event_flags {
 283         SIDE_EVENT_FLAG_VARIADIC = (1 << 0),
 284 };
 285
 286 struct side_callback {
 287         union {
 288                 void (*call)(const struct side_event_description *desc,
 289                         const struct side_arg_vec_description *sav_desc,
 290                         void *priv);
 291                 void (*call_variadic)(const struct side_event_description *desc,
 292                         const struct side_arg_vec_description *sav_desc,
 293                         const struct side_arg_dynamic_event_struct *var_struct,
 294                         void *priv);
 295         } u;
 296         void *priv;
 297 };
 298
 299 struct side_callbacks {
 300         struct side_callback *cb;
 301         uint32_t nr_cb;
 302 };
 303
 304 struct side_event_description {
 305         uint32_t version;
 306         uint32_t *enabled;
 307         uint32_t loglevel;      /* enum side_loglevel */
 308         uint32_t nr_fields;
 309         uint32_t nr_attr;
 310         uint32_t _unused;
 311         uint64_t flags;
 312         const char *provider_name;
 313         const char *event_name;
 314         const struct side_event_field *fields;
 315         const struct side_attr *attr;
 316         struct side_callbacks *callbacks;
 317 };
 318
 319 struct side_arg_dynamic_vec {
 320         uint32_t dynamic_type;  /* enum side_dynamic_type */
 321         union {
 322                 /* Basic types */
 323                 struct {
 324                         const struct side_attr *attr;
 325                         uint32_t nr_attr;
 326                         union {
 327                                 uint8_t side_bool;
 328                                 uint8_t side_u8;
 329                                 uint16_t side_u16;
 330                                 uint32_t side_u32;
 331                                 uint64_t side_u64;
 332                                 int8_t side_s8;
 333                                 int16_t side_s16;
 334                                 int32_t side_s32;
 335                                 int64_t side_s64;
 336                                 uint8_t side_blob;
 337 #if __HAVE_FLOAT16
 338                                 _Float16 side_float_binary16;
 339 #endif
 340 #if __HAVE_FLOAT32
 341                                 _Float32 side_float_binary32;
 342 #endif
 343 #if __HAVE_FLOAT64
 344                                 _Float64 side_float_binary64;
 345 #endif
 346 #if __HAVE_FLOAT128
 347                                 _Float128 side_float_binary128;
 348 #endif
 349                                 const char *string;
 350                         } u;
 351                 } side_basic;
 352
 353                 /* Compound types */
 354                 const struct side_arg_dynamic_event_struct *side_dynamic_struct;
 355                 struct {
 356                         void *app_ctx;
 357                         side_dynamic_struct_visitor visitor;
 358                         const struct side_attr *attr;
 359                         uint32_t nr_attr;
 360                 } side_dynamic_struct_visitor;
 361                 const struct side_arg_dynamic_vec_vla *side_dynamic_vla;
 362                 struct {
 363                         void *app_ctx;
 364                         side_dynamic_vla_visitor visitor;
 365                         const struct side_attr *attr;
 366                         uint32_t nr_attr;
 367                 } side_dynamic_vla_visitor;
 368         } u;
 369 };
 370
 371 struct side_arg_dynamic_vec_vla {
 372         const struct side_arg_dynamic_vec *sav;
 373         const struct side_attr *attr;
 374         uint32_t len;
 375         uint32_t nr_attr;
 376 };
 377
 378 struct side_arg_dynamic_event_field {
 379         const char *field_name;
 380         const struct side_arg_dynamic_vec elem;
 381 };
 382
 383 struct side_arg_dynamic_event_struct {
 384         const struct side_arg_dynamic_event_field *fields;
 385         const struct side_attr *attr;
 386         uint32_t len;
 387         uint32_t nr_attr;
 388 };
 389
 390 struct side_arg_vec {
 391         enum side_type type;
 392         union {
 393                 /* Basic types */
 394                 uint8_t side_bool;
 395                 uint8_t side_u8;
 396                 uint16_t side_u16;
 397                 uint32_t side_u32;
 398                 uint64_t side_u64;
 399                 int8_t side_s8;
 400                 int16_t side_s16;
 401                 int32_t side_s32;
 402                 int64_t side_s64;
 403                 uint8_t side_blob;
 404 #if __HAVE_FLOAT16
 405                 _Float16 side_float_binary16;
 406 #endif
 407 #if __HAVE_FLOAT32
 408                 _Float32 side_float_binary32;
 409 #endif
 410 #if __HAVE_FLOAT64
 411                 _Float64 side_float_binary64;
 412 #endif
 413 #if __HAVE_FLOAT128
 414                 _Float128 side_float_binary128;
 415 #endif
 416                 const char *string;
 417
 418                 /* Compound types */
 419                 const struct side_arg_vec_description *side_struct;
 420                 const struct side_arg_vec_description *side_array;
 421                 const struct side_arg_vec_description *side_vla;
 422                 void *side_vla_app_visitor_ctx;
 423                 void *side_array_fixint;
 424                 struct {
 425                         void *p;
 426                         uint32_t length;
 427                 } side_vla_fixint;
 428
 429                 /* Dynamic type */
 430                 struct side_arg_dynamic_vec dynamic;
 431         } u;
 432 };
 433
 434 struct side_arg_vec_description {
 435         const struct side_arg_vec *sav;
 436         uint32_t len;
 437 };
 438
 439 /* The visitor pattern is a double-dispatch visitor. */
 440 struct side_tracer_visitor_ctx {
 441         enum side_visitor_status (*write_elem)(
 442                         const struct side_tracer_visitor_ctx *tracer_ctx,
 443                         const struct side_arg_vec *elem);
 444         void *priv;             /* Private tracer context. */
 445 };
 446
 447 struct side_tracer_dynamic_struct_visitor_ctx {
 448         enum side_visitor_status (*write_field)(
 449                         const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 450                         const struct side_arg_dynamic_event_field *dynamic_field);
 451         void *priv;             /* Private tracer context. */
 452 };
 453
 454 struct side_tracer_dynamic_vla_visitor_ctx {
 455         enum side_visitor_status (*write_elem)(
 456                         const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
 457                         const struct side_arg_dynamic_vec *elem);
 458         void *priv;             /* Private tracer context. */
 459 };
 460
 461 /* Event and type attributes */
 462
 463 #define side_attr(_key, _value) \
 464         { \
 465                 .key = _key, \
 466                 .value = SIDE_PARAM(_value), \
 467         }
 468
 469 #define side_attr_list(...) \
 470         SIDE_COMPOUND_LITERAL(const struct side_attr, __VA_ARGS__)
 471
 472 #define side_attr_bool(_val)            { .type = SIDE_ATTR_TYPE_BOOL, .u = { .side_bool = !!(_val) } }
 473 #define side_attr_u8(_val)              { .type = SIDE_ATTR_TYPE_U8, .u = { .side_u8 = (_val) } }
 474 #define side_attr_u16(_val)             { .type = SIDE_ATTR_TYPE_U16, .u = { .side_u16 = (_val) } }
 475 #define side_attr_u32(_val)             { .type = SIDE_ATTR_TYPE_U32, .u = { .side_u32 = (_val) } }
 476 #define side_attr_u64(_val)             { .type = SIDE_ATTR_TYPE_U64, .u = { .side_u64 = (_val) } }
 477 #define side_attr_s8(_val)              { .type = SIDE_ATTR_TYPE_S8, .u = { .side_s8 = (_val) } }
 478 #define side_attr_s16(_val)             { .type = SIDE_ATTR_TYPE_S16, .u = { .side_s16 = (_val) } }
 479 #define side_attr_s32(_val)             { .type = SIDE_ATTR_TYPE_S32, .u = { .side_s32 = (_val) } }
 480 #define side_attr_s64(_val)             { .type = SIDE_ATTR_TYPE_S64, .u = { .side_s64 = (_val) } }
 481 #define side_attr_float_binary16(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY16, .u = { .side_float_binary16 = (_val) } }
 482 #define side_attr_float_binary32(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY32, .u = { .side_float_binary32 = (_val) } }
 483 #define side_attr_float_binary64(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY64, .u = { .side_float_binary64 = (_val) } }
 484 #define side_attr_float_binary128(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY128, .u = { .side_float_binary128 = (_val) } }
 485 #define side_attr_string(_val)          { .type = SIDE_ATTR_TYPE_STRING, .u = { .string = (_val) } }
 486
 487 /* Static field definition */
 488
 489 #define _side_type_basic(_type, _attr) \
 490         { \
 491                 .type = _type, \
 492                 .u = { \
 493                         .side_basic = { \
 494                                 .attr = _attr, \
 495                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 496                         }, \
 497                 }, \
 498         }
 499
 500 #define side_type_bool(_attr)                           _side_type_basic(SIDE_TYPE_BOOL, SIDE_PARAM(_attr))
 501 #define side_type_u8(_attr)                             _side_type_basic(SIDE_TYPE_U8, SIDE_PARAM(_attr))
 502 #define side_type_u16(_attr)                            _side_type_basic(SIDE_TYPE_U16, SIDE_PARAM(_attr))
 503 #define side_type_u32(_attr)                            _side_type_basic(SIDE_TYPE_U32, SIDE_PARAM(_attr))
 504 #define side_type_u64(_attr)                            _side_type_basic(SIDE_TYPE_U64, SIDE_PARAM(_attr))
 505 #define side_type_s8(_attr)                             _side_type_basic(SIDE_TYPE_S8, SIDE_PARAM(_attr))
 506 #define side_type_s16(_attr)                            _side_type_basic(SIDE_TYPE_S16, SIDE_PARAM(_attr))
 507 #define side_type_s32(_attr)                            _side_type_basic(SIDE_TYPE_S32, SIDE_PARAM(_attr))
 508 #define side_type_s64(_attr)                            _side_type_basic(SIDE_TYPE_S64, SIDE_PARAM(_attr))
 509 #define side_type_blob(_attr)                           _side_type_basic(SIDE_TYPE_BLOB, SIDE_PARAM(_attr))
 510 #define side_type_float_binary16(_attr)                 _side_type_basic(SIDE_TYPE_FLOAT_BINARY16, SIDE_PARAM(_attr))
 511 #define side_type_float_binary32(_attr)                 _side_type_basic(SIDE_TYPE_FLOAT_BINARY32, SIDE_PARAM(_attr))
 512 #define side_type_float_binary64(_attr)                 _side_type_basic(SIDE_TYPE_FLOAT_BINARY64, SIDE_PARAM(_attr))
 513 #define side_type_float_binary128(_attr)                _side_type_basic(SIDE_TYPE_FLOAT_BINARY128, SIDE_PARAM(_attr))
 514 #define side_type_string(_attr)                         _side_type_basic(SIDE_TYPE_STRING, SIDE_PARAM(_attr))
 515 #define side_type_dynamic(_attr)                        _side_type_basic(SIDE_TYPE_DYNAMIC, SIDE_PARAM(_attr))
 516
 517 #define _side_field(_name, _type) \
 518         { \
 519                 .field_name = _name, \
 520                 .side_type = _type, \
 521         }
 522
 523 #define side_field_bool(_name, _attr)                   _side_field(_name, side_type_bool(SIDE_PARAM(_attr)))
 524 #define side_field_u8(_name, _attr)                     _side_field(_name, side_type_u8(SIDE_PARAM(_attr)))
 525 #define side_field_u16(_name, _attr)                    _side_field(_name, side_type_u16(SIDE_PARAM(_attr)))
 526 #define side_field_u32(_name, _attr)                    _side_field(_name, side_type_u32(SIDE_PARAM(_attr)))
 527 #define side_field_u64(_name, _attr)                    _side_field(_name, side_type_u64(SIDE_PARAM(_attr)))
 528 #define side_field_s8(_name, _attr)                     _side_field(_name, side_type_s8(SIDE_PARAM(_attr)))
 529 #define side_field_s16(_name, _attr)                    _side_field(_name, side_type_s16(SIDE_PARAM(_attr)))
 530 #define side_field_s32(_name, _attr)                    _side_field(_name, side_type_s32(SIDE_PARAM(_attr)))
 531 #define side_field_s64(_name, _attr)                    _side_field(_name, side_type_s64(SIDE_PARAM(_attr)))
 532 #define side_field_blob(_name, _attr)                   _side_field(_name, side_type_blob(SIDE_PARAM(_attr)))
 533 #define side_field_float_binary16(_name, _attr)         _side_field(_name, side_type_float_binary16(SIDE_PARAM(_attr)))
 534 #define side_field_float_binary32(_name, _attr)         _side_field(_name, side_type_float_binary32(SIDE_PARAM(_attr)))
 535 #define side_field_float_binary64(_name, _attr)         _side_field(_name, side_type_float_binary64(SIDE_PARAM(_attr)))
 536 #define side_field_float_binary128(_name, _attr)        _side_field(_name, side_type_float_binary128(SIDE_PARAM(_attr)))
 537 #define side_field_string(_name, _attr)                 _side_field(_name, side_type_string(SIDE_PARAM(_attr)))
 538 #define side_field_dynamic(_name, _attr)                _side_field(_name, side_type_dynamic(SIDE_PARAM(_attr)))
 539
 540 #define side_type_enum(_elem_type, _mappings) \
 541         { \
 542                 .type = SIDE_TYPE_ENUM, \
 543                 .u = { \
 544                         .side_enum = { \
 545                                 .elem_type = _elem_type, \
 546                                 .mappings = _mappings, \
 547                         }, \
 548                 }, \
 549         }
 550 #define side_field_enum(_name, _elem_type, _mappings) \
 551         _side_field(_name, side_type_enum(SIDE_PARAM(_elem_type), SIDE_PARAM(_mappings)))
 552
 553 #define side_type_enum_bitmap(_type, _mappings) \
 554         { \
 555                 .type = _type, \
 556                 .u = { \
 557                         .side_enum_bitmap_mappings = _mappings, \
 558                 }, \
 559         }
 560 #define side_type_enum_bitmap8(_mappings) \
 561         side_type_enum_bitmap(SIDE_TYPE_ENUM_BITMAP8, SIDE_PARAM(_mappings))
 562 #define side_type_enum_bitmap16(_mappings) \
 563         side_type_enum_bitmap(SIDE_TYPE_ENUM_BITMAP16, SIDE_PARAM(_mappings))
 564 #define side_type_enum_bitmap32(_mappings) \
 565         side_type_enum_bitmap(SIDE_TYPE_ENUM_BITMAP32, SIDE_PARAM(_mappings))
 566 #define side_type_enum_bitmap64(_mappings) \
 567         side_type_enum_bitmap(SIDE_TYPE_ENUM_BITMAP64, SIDE_PARAM(_mappings))
 568
 569 #define _side_field_enum_bitmap(_name, _type)   _side_field(_name, SIDE_PARAM(_type))
 570
 571 #define side_field_enum_bitmap8(_name, _mappings) \
 572         _side_field_enum_bitmap(_name, side_type_enum_bitmap8(SIDE_PARAM(_mappings)))
 573 #define side_field_enum_bitmap16(_name, _mappings) \
 574         _side_field_enum_bitmap(_name, side_type_enum_bitmap16(SIDE_PARAM(_mappings)))
 575 #define side_field_enum_bitmap32(_name, _mappings) \
 576         _side_field_enum_bitmap(_name, side_type_enum_bitmap32(SIDE_PARAM(_mappings)))
 577 #define side_field_enum_bitmap64(_name, _mappings) \
 578         _side_field_enum_bitmap(_name, side_type_enum_bitmap64(SIDE_PARAM(_mappings)))
 579
 580 #define side_type_enum_bitmap_array(_mappings, _elem_type, _length) \
 581         { \
 582                 .type = SIDE_TYPE_ENUM_BITMAP_ARRAY, \
 583                 .u = { \
 584                         .side_enum_bitmap_array = { \
 585                                 .elem_type = _elem_type, \
 586                                 .mappings = _mappings, \
 587                                 .length = _length, \
 588                         }, \
 589                 }, \
 590         }
 591 #define side_field_enum_bitmap_array(_name, _mappings, _elem_type, _length) \
 592         _side_field(_name, side_type_enum_bitmap_array(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type), _length))
 593
 594 #define side_type_enum_bitmap_vla(_mappings, _elem_type) \
 595         { \
 596                 .type = SIDE_TYPE_ENUM_BITMAP_VLA, \
 597                 .u = { \
 598                         .side_enum_bitmap_vla = { \
 599                                 .elem_type = _elem_type, \
 600                                 .mappings = _mappings, \
 601                         }, \
 602                 }, \
 603         }
 604 #define side_field_enum_bitmap_vla(_name, _mappings, _elem_type) \
 605         _side_field(_name, side_type_enum_bitmap_vla(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
 606
 607 #define side_type_struct(_struct) \
 608         { \
 609                 .type = SIDE_TYPE_STRUCT, \
 610                 .u = { \
 611                         .side_struct = _struct, \
 612                 }, \
 613         }
 614 #define side_field_struct(_name, _struct) \
 615         _side_field(_name, side_type_struct(SIDE_PARAM(_struct)))
 616
 617 #define _side_type_struct_define(_fields, _attr) \
 618         { \
 619                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
 620                 .nr_attr  = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 621                 .fields = _fields, \
 622                 .attr = _attr, \
 623         }
 624
 625 #define side_define_struct(_identifier, _fields, _attr) \
 626         const struct side_type_struct _identifier = _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr))
 627
 628 #define side_struct_literal(_fields, _attr) \
 629         SIDE_COMPOUND_LITERAL(const struct side_type_struct, \
 630                 _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr)))
 631
 632 #define side_type_array(_elem_type, _length, _attr) \
 633         { \
 634                 .type = SIDE_TYPE_ARRAY, \
 635                 .u = { \
 636                         .side_array = { \
 637                                 .elem_type = _elem_type, \
 638                                 .attr = _attr, \
 639                                 .length = _length, \
 640                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 641                         }, \
 642                 }, \
 643         }
 644 #define side_field_array(_name, _elem_type, _length, _attr) \
 645         _side_field(_name, side_type_array(SIDE_PARAM(_elem_type), _length, SIDE_PARAM(_attr)))
 646
 647 #define side_type_vla(_elem_type, _attr) \
 648         { \
 649                 .type = SIDE_TYPE_VLA, \
 650                 .u = { \
 651                         .side_vla = { \
 652                                 .elem_type = _elem_type, \
 653                                 .attr = _attr, \
 654                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 655                         }, \
 656                 }, \
 657         }
 658 #define side_field_vla(_name, _elem_type, _attr) \
 659         _side_field(_name, side_type_vla(SIDE_PARAM(_elem_type), SIDE_PARAM(_attr)))
 660
 661 #define side_type_vla_visitor(_elem_type, _visitor, _attr) \
 662         { \
 663                 .type = SIDE_TYPE_VLA_VISITOR, \
 664                 .u = { \
 665                         .side_vla_visitor = { \
 666                                 .elem_type = SIDE_PARAM(_elem_type), \
 667                                 .visitor = _visitor, \
 668                                 .attr = _attr, \
 669                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 670                         }, \
 671                 }, \
 672         }
 673 #define side_field_vla_visitor(_name, _elem_type, _visitor, _attr) \
 674         _side_field(_name, side_type_vla_visitor(SIDE_PARAM(_elem_type), _visitor, SIDE_PARAM(_attr)))
 675
 676 #define side_elem(...) \
 677         SIDE_COMPOUND_LITERAL(const struct side_type_description, __VA_ARGS__)
 678
 679 #define side_field_list(...) \
 680         SIDE_COMPOUND_LITERAL(const struct side_event_field, __VA_ARGS__)
 681
 682 /* Static field arguments */
 683
 684 #define side_arg_bool(_val)             { .type = SIDE_TYPE_BOOL, .u = { .side_bool = !!(_val) } }
 685 #define side_arg_u8(_val)               { .type = SIDE_TYPE_U8, .u = { .side_u8 = (_val) } }
 686 #define side_arg_u16(_val)              { .type = SIDE_TYPE_U16, .u = { .side_u16 = (_val) } }
 687 #define side_arg_u32(_val)              { .type = SIDE_TYPE_U32, .u = { .side_u32 = (_val) } }
 688 #define side_arg_u64(_val)              { .type = SIDE_TYPE_U64, .u = { .side_u64 = (_val) } }
 689 #define side_arg_s8(_val)               { .type = SIDE_TYPE_S8, .u = { .side_s8 = (_val) } }
 690 #define side_arg_s16(_val)              { .type = SIDE_TYPE_S16, .u = { .side_s16 = (_val) } }
 691 #define side_arg_s32(_val)              { .type = SIDE_TYPE_S32, .u = { .side_s32 = (_val) } }
 692 #define side_arg_s64(_val)              { .type = SIDE_TYPE_S64, .u = { .side_s64 = (_val) } }
 693 #define side_arg_blob(_val)             { .type = SIDE_TYPE_BLOB, .u = { .side_blob = (_val) } }
 694 #define side_arg_enum_bitmap8(_val)     { .type = SIDE_TYPE_ENUM_BITMAP8, .u = { .side_u8 = (_val) } }
 695 #define side_arg_enum_bitmap16(_val)    { .type = SIDE_TYPE_ENUM_BITMAP16, .u = { .side_u16 = (_val) } }
 696 #define side_arg_enum_bitmap32(_val)    { .type = SIDE_TYPE_ENUM_BITMAP32, .u = { .side_u32 = (_val) } }
 697 #define side_arg_enum_bitmap64(_val)    { .type = SIDE_TYPE_ENUM_BITMAP64, .u = { .side_u64 = (_val) } }
 698 #define side_arg_enum_bitmap_array(_side_type)  { .type = SIDE_TYPE_ENUM_BITMAP_ARRAY, .u = { .side_array = (_side_type) } }
 699 #define side_arg_enum_bitmap_vla(_side_type)    { .type = SIDE_TYPE_ENUM_BITMAP_VLA, .u = { .side_vla = (_side_type) } }
 700 #define side_arg_float_binary16(_val)   { .type = SIDE_TYPE_FLOAT_BINARY16, .u = { .side_float_binary16 = (_val) } }
 701 #define side_arg_float_binary32(_val)   { .type = SIDE_TYPE_FLOAT_BINARY32, .u = { .side_float_binary32 = (_val) } }
 702 #define side_arg_float_binary64(_val)   { .type = SIDE_TYPE_FLOAT_BINARY64, .u = { .side_float_binary64 = (_val) } }
 703 #define side_arg_float_binary128(_val)  { .type = SIDE_TYPE_FLOAT_BINARY128, .u = { .side_float_binary128 = (_val) } }
 704
 705 #define side_arg_string(_val)           { .type = SIDE_TYPE_STRING, .u = { .string = (_val) } }
 706 #define side_arg_struct(_side_type)     { .type = SIDE_TYPE_STRUCT, .u = { .side_struct = (_side_type) } }
 707 #define side_arg_array(_side_type)      { .type = SIDE_TYPE_ARRAY, .u = { .side_array = (_side_type) } }
 708 #define side_arg_vla(_side_type)        { .type = SIDE_TYPE_VLA, .u = { .side_vla = (_side_type) } }
 709 #define side_arg_vla_visitor(_ctx)      { .type = SIDE_TYPE_VLA_VISITOR, .u = { .side_vla_app_visitor_ctx = (_ctx) } }
 710
 711 #define side_arg_array_u8(_ptr)         { .type = SIDE_TYPE_ARRAY_U8, .u = { .side_array_fixint = (_ptr) } }
 712 #define side_arg_array_u16(_ptr)        { .type = SIDE_TYPE_ARRAY_U16, .u = { .side_array_fixint = (_ptr) } }
 713 #define side_arg_array_u32(_ptr)        { .type = SIDE_TYPE_ARRAY_U32, .u = { .side_array_fixint = (_ptr) } }
 714 #define side_arg_array_u64(_ptr)        { .type = SIDE_TYPE_ARRAY_U64, .u = { .side_array_fixint = (_ptr) } }
 715 #define side_arg_array_s8(_ptr)         { .type = SIDE_TYPE_ARRAY_S8, .u = { .side_array_fixint = (_ptr) } }
 716 #define side_arg_array_s16(_ptr)        { .type = SIDE_TYPE_ARRAY_S16, .u = { .side_array_fixint  = (_ptr) } }
 717 #define side_arg_array_s32(_ptr)        { .type = SIDE_TYPE_ARRAY_S32, .u = { .side_array_fixint = (_ptr) } }
 718 #define side_arg_array_s64(_ptr)        { .type = SIDE_TYPE_ARRAY_S64, .u = { .side_array_fixint = (_ptr) } }
 719 #define side_arg_array_blob(_ptr)       { .type = SIDE_TYPE_ARRAY_BLOB, .u = { .side_array_fixint = (_ptr) } }
 720
 721 #define side_arg_vla_u8(_ptr, _length)  { .type = SIDE_TYPE_VLA_U8, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } }
 722 #define side_arg_vla_u16(_ptr, _length) { .type = SIDE_TYPE_VLA_U16, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 723 #define side_arg_vla_u32(_ptr, _length) { .type = SIDE_TYPE_VLA_U32, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 724 #define side_arg_vla_u64(_ptr, _length) { .type = SIDE_TYPE_VLA_U64, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 725 #define side_arg_vla_s8(_ptr, _length)  { .type = SIDE_TYPE_VLA_S8, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 726 #define side_arg_vla_s16(_ptr, _length) { .type = SIDE_TYPE_VLA_S16, .u = { .side_vla_fixint  = { .p = (_ptr), .length = (_length) } } }
 727 #define side_arg_vla_s32(_ptr, _length) { .type = SIDE_TYPE_VLA_S32, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 728 #define side_arg_vla_s64(_ptr, _length) { .type = SIDE_TYPE_VLA_S64, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 729 #define side_arg_vla_blob(_ptr, _length) { .type = SIDE_TYPE_VLA_BLOB, .u = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 730
 731 #define side_arg_dynamic(_dynamic_arg_type) \
 732         { \
 733                 .type = SIDE_TYPE_DYNAMIC, \
 734                 .u = { \
 735                         .dynamic = _dynamic_arg_type, \
 736                 }, \
 737         }
 738
 739 /* Dynamic field arguments */
 740
 741 #define side_arg_dynamic_null(_attr) \
 742         { \
 743                 .dynamic_type = SIDE_DYNAMIC_TYPE_NULL, \
 744                 .u = { \
 745                         .side_basic = { \
 746                                 .attr = _attr, \
 747                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 748                         }, \
 749                 }, \
 750         }
 751
 752 #define side_arg_dynamic_bool(_val, _attr) \
 753         { \
 754                 .dynamic_type = SIDE_DYNAMIC_TYPE_BOOL, \
 755                 .u = { \
 756                         .side_basic = { \
 757                                 .attr = _attr, \
 758                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 759                                 .u = { \
 760                                         .side_bool = !!(_val), \
 761                                 }, \
 762                         }, \
 763                 }, \
 764         }
 765
 766 #define side_arg_dynamic_u8(_val, _attr) \
 767         { \
 768                 .dynamic_type = SIDE_DYNAMIC_TYPE_U8, \
 769                 .u = { \
 770                         .side_basic = { \
 771                                 .attr = _attr, \
 772                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 773                                 .u = { \
 774                                         .side_u8 = (_val), \
 775                                 }, \
 776                         }, \
 777                 }, \
 778         }
 779 #define side_arg_dynamic_u16(_val, _attr) \
 780         { \
 781                 .dynamic_type = SIDE_DYNAMIC_TYPE_U16, \
 782                 .u = { \
 783                         .side_basic = { \
 784                                 .attr = _attr, \
 785                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 786                                 .u = { \
 787                                         .side_u16 = (_val), \
 788                                 }, \
 789                         }, \
 790                 }, \
 791         }
 792 #define side_arg_dynamic_u32(_val, _attr) \
 793         { \
 794                 .dynamic_type = SIDE_DYNAMIC_TYPE_U32, \
 795                 .u = { \
 796                         .side_basic = { \
 797                                 .attr = _attr, \
 798                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 799                                 .u = { \
 800                                         .side_u32 = (_val), \
 801                                 }, \
 802                         }, \
 803                 }, \
 804         }
 805 #define side_arg_dynamic_u64(_val, _attr) \
 806         { \
 807                 .dynamic_type = SIDE_DYNAMIC_TYPE_U64, \
 808                 .u = { \
 809                         .side_basic = { \
 810                                 .attr = _attr, \
 811                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 812                                 .u = { \
 813                                         .side_u64 = (_val), \
 814                                 }, \
 815                         }, \
 816                 }, \
 817         }
 818
 819 #define side_arg_dynamic_s8(_val, _attr) \
 820         { \
 821                 .dynamic_type = SIDE_DYNAMIC_TYPE_S8, \
 822                 .u = { \
 823                         .side_basic = { \
 824                                 .attr = _attr, \
 825                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 826                                 .u = { \
 827                                         .side_s8 = (_val), \
 828                                 }, \
 829                         }, \
 830                 }, \
 831         }
 832 #define side_arg_dynamic_s16(_val, _attr) \
 833         { \
 834                 .dynamic_type = SIDE_DYNAMIC_TYPE_S16, \
 835                 .u = { \
 836                         .side_basic = { \
 837                                 .attr = _attr, \
 838                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 839                                 .u = { \
 840                                         .side_s16 = (_val), \
 841                                 }, \
 842                         }, \
 843                 }, \
 844         }
 845 #define side_arg_dynamic_s32(_val, _attr) \
 846         { \
 847                 .dynamic_type = SIDE_DYNAMIC_TYPE_S32, \
 848                 .u = { \
 849                         .side_basic = { \
 850                                 .attr = _attr, \
 851                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 852                                 .u = { \
 853                                         .side_s32 = (_val), \
 854                                 }, \
 855                         }, \
 856                 }, \
 857         }
 858 #define side_arg_dynamic_s64(_val, _attr) \
 859         { \
 860                 .dynamic_type = SIDE_DYNAMIC_TYPE_S64, \
 861                 .u = { \
 862                         .side_basic = { \
 863                                 .attr = _attr, \
 864                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 865                                 .u = { \
 866                                         .side_s64 = (_val), \
 867                                 }, \
 868                         }, \
 869                 }, \
 870         }
 871 #define side_arg_dynamic_blob(_val, _attr) \
 872         { \
 873                 .dynamic_type = SIDE_DYNAMIC_TYPE_BLOB, \
 874                 .u = { \
 875                         .side_basic = { \
 876                                 .attr = _attr, \
 877                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 878                                 .u = { \
 879                                         .side_blob = (_val), \
 880                                 }, \
 881                         }, \
 882                 }, \
 883         }
 884
 885 #define side_arg_dynamic_float_binary16(_val, _attr) \
 886         { \
 887                 .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY16, \
 888                 .u = { \
 889                         .side_basic = { \
 890                                 .attr = _attr, \
 891                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 892                                 .u = { \
 893                                         .side_float_binary16 = (_val), \
 894                                 }, \
 895                         }, \
 896                 }, \
 897         }
 898 #define side_arg_dynamic_float_binary32(_val, _attr) \
 899         { \
 900                 .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY32, \
 901                 .u = { \
 902                         .side_basic = { \
 903                                 .attr = _attr, \
 904                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 905                                 .u = { \
 906                                         .side_float_binary32 = (_val), \
 907                                 }, \
 908                         }, \
 909                 }, \
 910         }
 911 #define side_arg_dynamic_float_binary64(_val, _attr) \
 912         { \
 913                 .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY64, \
 914                 .u = { \
 915                         .side_basic = { \
 916                                 .attr = _attr, \
 917                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 918                                 .u = { \
 919                                         .side_float_binary64 = (_val), \
 920                                 }, \
 921                         }, \
 922                 }, \
 923         }
 924 #define side_arg_dynamic_float_binary128(_val, _attr) \
 925         { \
 926                 .dynamic_type = SIDE_DYNAMIC_TYPE_FLOAT_BINARY128, \
 927                 .u = { \
 928                         .side_basic = { \
 929                                 .attr = _attr, \
 930                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 931                                 .u = { \
 932                                         .side_float_binary128 = (_val), \
 933                                 }, \
 934                         }, \
 935                 }, \
 936         }
 937
 938 #define side_arg_dynamic_string(_val, _attr) \
 939         { \
 940                 .dynamic_type = SIDE_DYNAMIC_TYPE_STRING, \
 941                 .u = { \
 942                         .side_basic = { \
 943                                 .attr = _attr, \
 944                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 945                                 .u = { \
 946                                         .string = (_val), \
 947                                 }, \
 948                         }, \
 949                 }, \
 950         }
 951
 952 #define side_arg_dynamic_vla(_vla) \
 953         { \
 954                 .dynamic_type = SIDE_DYNAMIC_TYPE_VLA, \
 955                 .u = { \
 956                         .side_dynamic_vla = (_vla), \
 957                 }, \
 958         }
 959
 960 #define side_arg_dynamic_vla_visitor(_dynamic_vla_visitor, _ctx, _attr) \
 961         { \
 962                 .dynamic_type = SIDE_DYNAMIC_TYPE_VLA_VISITOR, \
 963                 .u = { \
 964                         .side_dynamic_vla_visitor = { \
 965                                 .app_ctx = _ctx, \
 966                                 .visitor = _dynamic_vla_visitor, \
 967                                 .attr = _attr, \
 968                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 969                         }, \
 970                 }, \
 971         }
 972
 973 #define side_arg_dynamic_struct(_struct) \
 974         { \
 975                 .dynamic_type = SIDE_DYNAMIC_TYPE_STRUCT, \
 976                 .u = { \
 977                         .side_dynamic_struct = (_struct), \
 978                 }, \
 979         }
 980
 981 #define side_arg_dynamic_struct_visitor(_dynamic_struct_visitor, _ctx, _attr) \
 982         { \
 983                 .dynamic_type = SIDE_DYNAMIC_TYPE_STRUCT_VISITOR, \
 984                 .u = { \
 985                         .side_dynamic_struct_visitor = { \
 986                                 .app_ctx = _ctx, \
 987                                 .visitor = _dynamic_struct_visitor, \
 988                                 .attr = _attr, \
 989                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 990                         }, \
 991                 }, \
 992         }
 993
 994 #define side_arg_dynamic_define_vec(_identifier, _sav, _attr) \
 995         const struct side_arg_dynamic_vec _identifier##_vec[] = { _sav }; \
 996         const struct side_arg_dynamic_vec_vla _identifier = { \
 997                 .sav = _identifier##_vec, \
 998                 .attr = _attr, \
 999                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1000                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1001         }
1002
1003 #define side_arg_dynamic_define_struct(_identifier, _struct_fields, _attr) \
1004         const struct side_arg_dynamic_event_field _identifier##_fields[] = { _struct_fields }; \
1005         const struct side_arg_dynamic_event_struct _identifier = { \
1006                 .fields = _identifier##_fields, \
1007                 .attr = _attr, \
1008                 .len = SIDE_ARRAY_SIZE(_identifier##_fields), \
1009                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1010         }
1011
1012 #define side_arg_define_vec(_identifier, _sav) \
1013         const struct side_arg_vec _identifier##_vec[] = { _sav }; \
1014         const struct side_arg_vec_description _identifier = { \
1015                 .sav = _identifier##_vec, \
1016                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1017         }
1018
1019 #define side_arg_dynamic_field(_name, _elem) \
1020         { \
1021                 .field_name = _name, \
1022                 .elem = _elem, \
1023         }
1024
1025 #define side_arg_list(...)      __VA_ARGS__
1026
1027 #define side_define_enum(_identifier, _mappings, _attr) \
1028         const struct side_enum_mappings _identifier = { \
1029                 .mappings = _mappings, \
1030                 .attr = _attr, \
1031                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1032                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1033         }
1034
1035 #define side_enum_mapping_list(...) \
1036         SIDE_COMPOUND_LITERAL(const struct side_enum_mapping, __VA_ARGS__)
1037
1038 #define side_enum_mapping_range(_label, _begin, _end) \
1039         { \
1040                 .range_begin = _begin, \
1041                 .range_end = _end, \
1042                 .label = _label, \
1043         }
1044
1045 #define side_enum_mapping_value(_label, _value) \
1046         { \
1047                 .range_begin = _value, \
1048                 .range_end = _value, \
1049                 .label = _label, \
1050         }
1051
1052 #define side_define_enum_bitmap(_identifier, _mappings, _attr) \
1053         const struct side_enum_bitmap_mappings _identifier = { \
1054                 .mappings = _mappings, \
1055                 .attr = _attr, \
1056                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1057                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1058         }
1059
1060 #define side_enum_bitmap_mapping_list(...) \
1061         SIDE_COMPOUND_LITERAL(const struct side_enum_bitmap_mapping, __VA_ARGS__)
1062
1063 #define side_enum_bitmap_mapping_range(_label, _begin, _end) \
1064         { \
1065                 .range_begin = _begin, \
1066                 .range_end = _end, \
1067                 .label = _label, \
1068         }
1069
1070 #define side_enum_bitmap_mapping_value(_label, _value) \
1071         { \
1072                 .range_begin = _value, \
1073                 .range_end = _value, \
1074                 .label = _label, \
1075         }
1076
1077 #define side_event_cond(_desc) if (side_unlikely(_desc##_enabled))
1078
1079 #define side_event_call(_desc, _sav) \
1080         { \
1081                 const struct side_arg_vec side_sav[] = { _sav }; \
1082                 const struct side_arg_vec_description sav_desc = { \
1083                         .sav = side_sav, \
1084                         .len = SIDE_ARRAY_SIZE(side_sav), \
1085                 }; \
1086                 side_call(&(_desc), &sav_desc); \
1087         }
1088
1089 #define side_event(_desc, _sav) \
1090         side_event_cond(_desc) \
1091                 side_event_call(_desc, SIDE_PARAM(_sav))
1092
1093 #define side_event_call_variadic(_desc, _sav, _var_fields, _attr) \
1094         { \
1095                 const struct side_arg_vec side_sav[] = { _sav }; \
1096                 const struct side_arg_vec_description sav_desc = { \
1097                         .sav = side_sav, \
1098                         .len = SIDE_ARRAY_SIZE(side_sav), \
1099                 }; \
1100                 const struct side_arg_dynamic_event_field side_fields[] = { _var_fields }; \
1101                 const struct side_arg_dynamic_event_struct var_struct = { \
1102                         .fields = side_fields, \
1103                         .attr = _attr, \
1104                         .len = SIDE_ARRAY_SIZE(side_fields), \
1105                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1106                 }; \
1107                 side_call_variadic(&(_desc), &sav_desc, &var_struct); \
1108         }
1109
1110 #define side_event_variadic(_desc, _sav, _var, _attr) \
1111         side_event_cond(_desc) \
1112                 side_event_call_variadic(_desc, SIDE_PARAM(_sav), SIDE_PARAM(_var), SIDE_PARAM(_attr))
1113
1114 #define _side_define_event(_identifier, _provider, _event, _loglevel, _fields, _attr, _flags) \
1115         uint32_t _identifier##_enabled __attribute__((section("side_event_enable"))); \
1116         struct side_callbacks _identifier##_callbacks __attribute__((section("side_event_callbacks"))); \
1117         const struct side_event_description _identifier = { \
1118                 .version = 0, \
1119                 .enabled = &(_identifier##_enabled), \
1120                 .loglevel = _loglevel, \
1121                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
1122                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1123                 .flags = (_flags), \
1124                 .provider_name = _provider, \
1125                 .event_name = _event, \
1126                 .fields = _fields, \
1127                 .attr = _attr, \
1128                 .callbacks = &(_identifier##_callbacks), \
1129         }; \
1130         const struct side_event_description *_identifier##_ptr \
1131                 __attribute__((section("side_event_description"), used)) = &(_identifier);
1132
1133 #define side_define_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1134         _side_define_event(_identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1135                         SIDE_PARAM(_attr), 0)
1136
1137 #define side_define_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1138         _side_define_event(_identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1139                         SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1140
1141 #define side_declare_event(_identifier) \
1142         struct side_event_description _identifier
1143
1144 void side_call(const struct side_event_description *desc,
1145         const struct side_arg_vec_description *sav_desc);
1146 void side_call_variadic(const struct side_event_description *desc,
1147         const struct side_arg_vec_description *sav_desc,
1148         const struct side_arg_dynamic_event_struct *var_struct);
1149
1150 #endif /* _SIDE_TRACE_H */