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 #include <side/endian.h>
  16
  17 /* SIDE stands for "Static Instrumentation Dynamically Enabled" */
  18
  19 //TODO: as those structures will be ABI, we need to either consider them
  20 //fixed forever, or think of a scheme that would allow their binary
  21 //representation to be extended if need be.
  22
  23 struct side_arg;
  24 struct side_arg_vec;
  25 struct side_arg_dynamic;
  26 struct side_arg_dynamic_vla;
  27 struct side_type;
  28 struct side_event_field;
  29 struct side_tracer_visitor_ctx;
  30 struct side_tracer_dynamic_struct_visitor_ctx;
  31 struct side_tracer_dynamic_vla_visitor_ctx;
  32 struct side_event_description;
  33 struct side_arg_dynamic_event_struct;
  34 struct side_events_register_handle;
  35
  36 enum side_type_label {
  37         /* Statically declared types */
  38         SIDE_TYPE_NULL,
  39         SIDE_TYPE_BOOL,
  40         SIDE_TYPE_U8,
  41         SIDE_TYPE_U16,
  42         SIDE_TYPE_U32,
  43         SIDE_TYPE_U64,
  44         SIDE_TYPE_S8,
  45         SIDE_TYPE_S16,
  46         SIDE_TYPE_S32,
  47         SIDE_TYPE_S64,
  48         SIDE_TYPE_BYTE,
  49         SIDE_TYPE_POINTER32,
  50         SIDE_TYPE_POINTER64,
  51         SIDE_TYPE_FLOAT_BINARY16,
  52         SIDE_TYPE_FLOAT_BINARY32,
  53         SIDE_TYPE_FLOAT_BINARY64,
  54         SIDE_TYPE_FLOAT_BINARY128,
  55         SIDE_TYPE_STRING,
  56
  57         /* Statically declared compound types */
  58         SIDE_TYPE_STRUCT,
  59         SIDE_TYPE_ARRAY,
  60         SIDE_TYPE_VLA,
  61         SIDE_TYPE_VLA_VISITOR,
  62
  63         SIDE_TYPE_ARRAY_U8,
  64         SIDE_TYPE_ARRAY_U16,
  65         SIDE_TYPE_ARRAY_U32,
  66         SIDE_TYPE_ARRAY_U64,
  67         SIDE_TYPE_ARRAY_S8,
  68         SIDE_TYPE_ARRAY_S16,
  69         SIDE_TYPE_ARRAY_S32,
  70         SIDE_TYPE_ARRAY_S64,
  71         SIDE_TYPE_ARRAY_BYTE,
  72         SIDE_TYPE_ARRAY_POINTER32,
  73         SIDE_TYPE_ARRAY_POINTER64,
  74
  75         SIDE_TYPE_VLA_U8,
  76         SIDE_TYPE_VLA_U16,
  77         SIDE_TYPE_VLA_U32,
  78         SIDE_TYPE_VLA_U64,
  79         SIDE_TYPE_VLA_S8,
  80         SIDE_TYPE_VLA_S16,
  81         SIDE_TYPE_VLA_S32,
  82         SIDE_TYPE_VLA_S64,
  83         SIDE_TYPE_VLA_BYTE,
  84         SIDE_TYPE_VLA_POINTER32,
  85         SIDE_TYPE_VLA_POINTER64,
  86
  87         /* Statically declared enumeration types */
  88         SIDE_TYPE_ENUM,
  89         SIDE_TYPE_ENUM_BITMAP,
  90
  91         SIDE_TYPE_DYNAMIC,
  92
  93         /* Scatter-gather types */
  94         SIDE_TYPE_SG_UNSIGNED_INT,
  95         SIDE_TYPE_SG_SIGNED_INT,
  96         SIDE_TYPE_SG_STRUCT,
  97
  98         /* Dynamic types */
  99         SIDE_TYPE_DYNAMIC_NULL,
 100         SIDE_TYPE_DYNAMIC_BOOL,
 101         SIDE_TYPE_DYNAMIC_U8,
 102         SIDE_TYPE_DYNAMIC_U16,
 103         SIDE_TYPE_DYNAMIC_U32,
 104         SIDE_TYPE_DYNAMIC_U64,
 105         SIDE_TYPE_DYNAMIC_S8,
 106         SIDE_TYPE_DYNAMIC_S16,
 107         SIDE_TYPE_DYNAMIC_S32,
 108         SIDE_TYPE_DYNAMIC_S64,
 109         SIDE_TYPE_DYNAMIC_BYTE,
 110         SIDE_TYPE_DYNAMIC_POINTER32,
 111         SIDE_TYPE_DYNAMIC_POINTER64,
 112         SIDE_TYPE_DYNAMIC_FLOAT_BINARY16,
 113         SIDE_TYPE_DYNAMIC_FLOAT_BINARY32,
 114         SIDE_TYPE_DYNAMIC_FLOAT_BINARY64,
 115         SIDE_TYPE_DYNAMIC_FLOAT_BINARY128,
 116         SIDE_TYPE_DYNAMIC_STRING,
 117
 118         /* Dynamic compound types */
 119         SIDE_TYPE_DYNAMIC_STRUCT,
 120         SIDE_TYPE_DYNAMIC_STRUCT_VISITOR,
 121         SIDE_TYPE_DYNAMIC_VLA,
 122         SIDE_TYPE_DYNAMIC_VLA_VISITOR,
 123 };
 124
 125 enum side_attr_type {
 126         SIDE_ATTR_TYPE_NULL,
 127         SIDE_ATTR_TYPE_BOOL,
 128         SIDE_ATTR_TYPE_U8,
 129         SIDE_ATTR_TYPE_U16,
 130         SIDE_ATTR_TYPE_U32,
 131         SIDE_ATTR_TYPE_U64,
 132         SIDE_ATTR_TYPE_S8,
 133         SIDE_ATTR_TYPE_S16,
 134         SIDE_ATTR_TYPE_S32,
 135         SIDE_ATTR_TYPE_S64,
 136         SIDE_ATTR_TYPE_POINTER32,
 137         SIDE_ATTR_TYPE_POINTER64,
 138         SIDE_ATTR_TYPE_FLOAT_BINARY16,
 139         SIDE_ATTR_TYPE_FLOAT_BINARY32,
 140         SIDE_ATTR_TYPE_FLOAT_BINARY64,
 141         SIDE_ATTR_TYPE_FLOAT_BINARY128,
 142         SIDE_ATTR_TYPE_STRING,
 143 };
 144
 145 enum side_loglevel {
 146         SIDE_LOGLEVEL_EMERG = 0,
 147         SIDE_LOGLEVEL_ALERT = 1,
 148         SIDE_LOGLEVEL_CRIT = 2,
 149         SIDE_LOGLEVEL_ERR = 3,
 150         SIDE_LOGLEVEL_WARNING = 4,
 151         SIDE_LOGLEVEL_NOTICE = 5,
 152         SIDE_LOGLEVEL_INFO = 6,
 153         SIDE_LOGLEVEL_DEBUG = 7,
 154 };
 155
 156 enum side_visitor_status {
 157         SIDE_VISITOR_STATUS_OK = 0,
 158         SIDE_VISITOR_STATUS_ERROR = -1,
 159 };
 160
 161 enum side_error {
 162         SIDE_ERROR_OK = 0,
 163         SIDE_ERROR_INVAL = 1,
 164         SIDE_ERROR_EXIST = 2,
 165         SIDE_ERROR_NOMEM = 3,
 166         SIDE_ERROR_NOENT = 4,
 167         SIDE_ERROR_EXITING = 5,
 168 };
 169
 170 enum side_type_label_byte_order {
 171         SIDE_TYPE_BYTE_ORDER_LE = 0,
 172         SIDE_TYPE_BYTE_ORDER_BE = 1,
 173 };
 174
 175 #if (SIDE_BYTE_ORDER == SIDE_LITTLE_ENDIAN)
 176 # define SIDE_TYPE_BYTE_ORDER_HOST              SIDE_TYPE_BYTE_ORDER_LE
 177 #else
 178 # define SIDE_TYPE_BYTE_ORDER_HOST              SIDE_TYPE_BYTE_ORDER_BE
 179 #endif
 180
 181 #if (SIDE_FLOAT_WORD_ORDER == SIDE_LITTLE_ENDIAN)
 182 # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST        SIDE_TYPE_BYTE_ORDER_LE
 183 #else
 184 # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST        SIDE_TYPE_BYTE_ORDER_BE
 185 #endif
 186
 187 typedef enum side_visitor_status (*side_visitor)(
 188                 const struct side_tracer_visitor_ctx *tracer_ctx,
 189                 void *app_ctx);
 190 typedef enum side_visitor_status (*side_dynamic_struct_visitor)(
 191                 const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 192                 void *app_ctx);
 193 typedef enum side_visitor_status (*side_dynamic_vla_visitor)(
 194                 const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
 195                 void *app_ctx);
 196
 197 union side_integer_value {
 198         uint8_t side_u8;
 199         uint16_t side_u16;
 200         uint32_t side_u32;
 201         uint64_t side_u64;
 202         int8_t side_s8;
 203         int16_t side_s16;
 204         int32_t side_s32;
 205         int64_t side_s64;
 206 } SIDE_PACKED;
 207
 208 union side_float_value {
 209 #if __HAVE_FLOAT16
 210                 _Float16 side_float_binary16;
 211 #endif
 212 #if __HAVE_FLOAT32
 213                 _Float32 side_float_binary32;
 214 #endif
 215 #if __HAVE_FLOAT64
 216                 _Float64 side_float_binary64;
 217 #endif
 218 #if __HAVE_FLOAT128
 219                 _Float128 side_float_binary128;
 220 #endif
 221 } SIDE_PACKED;
 222
 223 struct side_attr_value {
 224         uint32_t type;  /* enum side_attr_type */
 225         union {
 226                 uint8_t bool_value;
 227                 uint64_t string_value;  /* const char * */
 228                 union side_integer_value integer_value;
 229                 union side_float_value float_value;
 230         } SIDE_PACKED u;
 231 };
 232
 233 /* User attributes. */
 234 struct side_attr {
 235         const char *key;
 236         const struct side_attr_value value;
 237 } SIDE_PACKED;
 238
 239 /* Type descriptions */
 240 struct side_type_null {
 241         const struct side_attr *attr;
 242         uint32_t nr_attr;
 243 } SIDE_PACKED;
 244
 245 struct side_type_bool {
 246         const struct side_attr *attr;
 247         uint32_t nr_attr;
 248 } SIDE_PACKED;
 249
 250 struct side_type_byte {
 251         const struct side_attr *attr;
 252         uint32_t nr_attr;
 253 } SIDE_PACKED;
 254
 255 struct side_type_string {
 256         const struct side_attr *attr;
 257         uint32_t nr_attr;
 258 } SIDE_PACKED;
 259
 260 struct side_type_integer {
 261         const struct side_attr *attr;
 262         uint32_t nr_attr;
 263         uint16_t integer_size_bits;     /* bits */
 264         uint16_t len_bits;              /* bits */
 265         uint8_t signedness;             /* true/false */
 266         uint8_t byte_order;             /* enum side_type_label_byte_order */
 267 } SIDE_PACKED;
 268
 269 struct side_type_float {
 270         const struct side_attr *attr;
 271         uint32_t nr_attr;
 272         uint32_t byte_order;            /* enum side_type_label_byte_order */
 273         uint16_t float_size_bits;       /* bits */
 274 } SIDE_PACKED;
 275
 276 struct side_enum_mapping {
 277         int64_t range_begin;
 278         int64_t range_end;
 279         const char *label;
 280 } SIDE_PACKED;
 281
 282 struct side_enum_mappings {
 283         const struct side_enum_mapping *mappings;
 284         const struct side_attr *attr;
 285         uint32_t nr_mappings;
 286         uint32_t nr_attr;
 287 } SIDE_PACKED;
 288
 289 struct side_enum_bitmap_mapping {
 290         uint64_t range_begin;
 291         uint64_t range_end;
 292         const char *label;
 293 } SIDE_PACKED;
 294
 295 struct side_enum_bitmap_mappings {
 296         const struct side_enum_bitmap_mapping *mappings;
 297         const struct side_attr *attr;
 298         uint32_t nr_mappings;
 299         uint32_t nr_attr;
 300 } SIDE_PACKED;
 301
 302 struct side_type_struct {
 303         uint32_t nr_fields;
 304         uint32_t nr_attr;
 305         const struct side_event_field *fields;
 306         const struct side_attr *attr;
 307 } SIDE_PACKED;
 308
 309 struct side_type_sg {
 310         uint64_t offset;        /* bytes */
 311         union {
 312                 struct {
 313                         struct side_type_integer type;
 314                         uint16_t offset_bits;           /* bits */
 315                 } SIDE_PACKED side_integer;
 316                 const struct side_type_struct *side_struct;
 317         } SIDE_PACKED u;
 318 } SIDE_PACKED;
 319
 320 /* Statically defined types. */
 321 struct side_type {
 322         uint32_t type;  /* enum side_type_label */
 323         union {
 324                 /* Basic types */
 325                 struct side_type_null side_null;
 326                 struct side_type_bool side_bool;
 327                 struct side_type_byte side_byte;
 328                 struct side_type_string side_string;
 329                 struct side_type_integer side_integer;
 330                 struct side_type_float side_float;
 331
 332                 /* Compound types */
 333                 struct {
 334                         const struct side_type *elem_type;
 335                         const struct side_attr *attr;
 336                         uint32_t length;
 337                         uint32_t nr_attr;
 338                 } SIDE_PACKED side_array;
 339                 struct {
 340                         const struct side_type *elem_type;
 341                         const struct side_attr *attr;
 342                         uint32_t nr_attr;
 343                 } SIDE_PACKED side_vla;
 344                 struct {
 345                         const struct side_type *elem_type;
 346                         side_visitor visitor;
 347                         const struct side_attr *attr;
 348                         uint32_t nr_attr;
 349                 } SIDE_PACKED side_vla_visitor;
 350                 const struct side_type_struct *side_struct;
 351
 352                 /* Enumeration types */
 353                 struct {
 354                         const struct side_enum_mappings *mappings;
 355                         const struct side_type *elem_type;
 356                 } SIDE_PACKED side_enum;
 357                 struct {
 358                         const struct side_enum_bitmap_mappings *mappings;
 359                         const struct side_type *elem_type;
 360                 } SIDE_PACKED side_enum_bitmap;
 361
 362                 /* Scatter-gather type */
 363                 struct side_type_sg side_sg;
 364         } SIDE_PACKED u;
 365 } SIDE_PACKED;
 366
 367 struct side_event_field {
 368         const char *field_name;
 369         struct side_type side_type;
 370 } SIDE_PACKED;
 371
 372 enum side_event_flags {
 373         SIDE_EVENT_FLAG_VARIADIC = (1 << 0),
 374 };
 375
 376 struct side_callback {
 377         union {
 378                 void (*call)(const struct side_event_description *desc,
 379                         const struct side_arg_vec *side_arg_vec,
 380                         void *priv);
 381                 void (*call_variadic)(const struct side_event_description *desc,
 382                         const struct side_arg_vec *side_arg_vec,
 383                         const struct side_arg_dynamic_event_struct *var_struct,
 384                         void *priv);
 385         } SIDE_PACKED u;
 386         void *priv;
 387 } SIDE_PACKED;
 388
 389 struct side_arg_static {
 390         /* Basic types */
 391         uint8_t bool_value;
 392         uint8_t byte_value;
 393         uint64_t string_value;  /* const char * */
 394         union side_integer_value integer_value;
 395         union side_float_value float_value;
 396
 397         /* Compound types */
 398         const struct side_arg_vec *side_struct;
 399         const struct side_arg_vec *side_array;
 400         const struct side_arg_vec *side_vla;
 401         void *side_vla_app_visitor_ctx;
 402         void *side_array_fixint;
 403         struct {
 404                 void *p;
 405                 uint32_t length;
 406         } SIDE_PACKED side_vla_fixint;
 407
 408         /* Scatter-gather */
 409         void *side_integer_sg_ptr;
 410         void *side_struct_sg_ptr;
 411 } SIDE_PACKED;
 412
 413 struct side_arg_dynamic {
 414         /* Basic types */
 415         struct side_type_null side_null;
 416         struct {
 417                 struct side_type_bool type;
 418                 uint8_t value;
 419         } SIDE_PACKED side_bool;
 420
 421         struct {
 422                 struct side_type_byte type;
 423                 uint8_t value;
 424         } SIDE_PACKED side_byte;
 425
 426         struct {
 427                 struct side_type_string type;
 428                 uint64_t value; /* const char * */
 429         } SIDE_PACKED side_string;
 430
 431         /* Integer type */
 432         struct {
 433                 struct side_type_integer type;
 434                 union side_integer_value value;
 435         } SIDE_PACKED side_integer;
 436
 437         struct {
 438                 struct side_type_float type;
 439                 union side_float_value value;
 440         } SIDE_PACKED side_float;
 441
 442         /* Compound types */
 443         const struct side_arg_dynamic_event_struct *side_dynamic_struct;
 444         struct {
 445                 void *app_ctx;
 446                 side_dynamic_struct_visitor visitor;
 447                 const struct side_attr *attr;
 448                 uint32_t nr_attr;
 449         } SIDE_PACKED side_dynamic_struct_visitor;
 450         const struct side_arg_dynamic_vla *side_dynamic_vla;
 451         struct {
 452                 void *app_ctx;
 453                 side_dynamic_vla_visitor visitor;
 454                 const struct side_attr *attr;
 455                 uint32_t nr_attr;
 456         } SIDE_PACKED side_dynamic_vla_visitor;
 457 } SIDE_PACKED;
 458
 459 struct side_arg {
 460         enum side_type_label type;
 461         union {
 462                 struct side_arg_static side_static;
 463                 struct side_arg_dynamic side_dynamic;
 464         } SIDE_PACKED u;
 465 } SIDE_PACKED;
 466
 467 struct side_arg_vec {
 468         const struct side_arg *sav;
 469         uint32_t len;
 470 } SIDE_PACKED;
 471
 472 struct side_event_description {
 473         uintptr_t *enabled;
 474         const char *provider_name;
 475         const char *event_name;
 476         const struct side_event_field *fields;
 477         const struct side_attr *attr;
 478         const struct side_callback *callbacks;
 479         uint64_t flags;
 480         uint32_t version;
 481         uint32_t loglevel;      /* enum side_loglevel */
 482         uint32_t nr_fields;
 483         uint32_t nr_attr;
 484         uint32_t nr_callbacks;
 485 } SIDE_PACKED;
 486
 487 struct side_arg_dynamic_vla {
 488         const struct side_arg *sav;
 489         const struct side_attr *attr;
 490         uint32_t len;
 491         uint32_t nr_attr;
 492 } SIDE_PACKED;
 493
 494 struct side_arg_dynamic_event_field {
 495         const char *field_name;
 496         const struct side_arg elem;
 497 } SIDE_PACKED;
 498
 499 struct side_arg_dynamic_event_struct {
 500         const struct side_arg_dynamic_event_field *fields;
 501         const struct side_attr *attr;
 502         uint32_t len;
 503         uint32_t nr_attr;
 504 } SIDE_PACKED;
 505
 506 /* The visitor pattern is a double-dispatch visitor. */
 507 struct side_tracer_visitor_ctx {
 508         enum side_visitor_status (*write_elem)(
 509                         const struct side_tracer_visitor_ctx *tracer_ctx,
 510                         const struct side_arg *elem);
 511         void *priv;             /* Private tracer context. */
 512 } SIDE_PACKED;
 513
 514 struct side_tracer_dynamic_struct_visitor_ctx {
 515         enum side_visitor_status (*write_field)(
 516                         const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 517                         const struct side_arg_dynamic_event_field *dynamic_field);
 518         void *priv;             /* Private tracer context. */
 519 } SIDE_PACKED;
 520
 521 struct side_tracer_dynamic_vla_visitor_ctx {
 522         enum side_visitor_status (*write_elem)(
 523                         const struct side_tracer_dynamic_vla_visitor_ctx *tracer_ctx,
 524                         const struct side_arg *elem);
 525         void *priv;             /* Private tracer context. */
 526 } SIDE_PACKED;
 527
 528 /* Event and type attributes */
 529
 530 #if SIDE_BITS_PER_LONG == 64
 531 # define SIDE_TYPE_POINTER_HOST         SIDE_TYPE_POINTER64
 532 # define SIDE_TYPE_ARRAY_POINTER_HOST   SIDE_TYPE_ARRAY_POINTER64
 533 # define SIDE_TYPE_VLA_POINTER_HOST     SIDE_TYPE_VLA_POINTER64
 534 # define SIDE_TYPE_DYNAMIC_POINTER_HOST SIDE_TYPE_DYNAMIC_POINTER64
 535 # define SIDE_ATTR_TYPE_POINTER_HOST    SIDE_ATTR_TYPE_POINTER64
 536 # define SIDE_PTR_HOST                  .side_u64
 537 #else
 538 # define SIDE_TYPE_POINTER_HOST         SIDE_TYPE_POINTER32
 539 # define SIDE_TYPE_ARRAY_POINTER_HOST   SIDE_TYPE_ARRAY_POINTER32
 540 # define SIDE_TYPE_VLA_POINTER_HOST     SIDE_TYPE_VLA_POINTER32
 541 # define SIDE_TYPE_DYNAMIC_POINTER_HOST SIDE_TYPE_DYNAMIC_POINTER32
 542 # define SIDE_ATTR_TYPE_POINTER_HOST    SIDE_ATTR_TYPE_POINTER32
 543 # define SIDE_PTR_HOST                  .side_u32
 544 #endif
 545
 546 #define side_attr(_key, _value) \
 547         { \
 548                 .key = _key, \
 549                 .value = SIDE_PARAM(_value), \
 550         }
 551
 552 #define side_attr_list(...) \
 553         SIDE_COMPOUND_LITERAL(const struct side_attr, __VA_ARGS__)
 554
 555 #define side_attr_null(_val)            { .type = SIDE_ATTR_TYPE_NULL }
 556 #define side_attr_bool(_val)            { .type = SIDE_ATTR_TYPE_BOOL, .u = { .bool_value = !!(_val) } }
 557 #define side_attr_u8(_val)              { .type = SIDE_ATTR_TYPE_U8, .u = { .integer_value = { .side_u8 = (_val) } } }
 558 #define side_attr_u16(_val)             { .type = SIDE_ATTR_TYPE_U16, .u = { .integer_value = { .side_u16 = (_val) } } }
 559 #define side_attr_u32(_val)             { .type = SIDE_ATTR_TYPE_U32, .u = { .integer_value = { .side_u32 = (_val) } } }
 560 #define side_attr_u64(_val)             { .type = SIDE_ATTR_TYPE_U64, .u = { .integer_value = { .side_u64 = (_val) } } }
 561 #define side_attr_s8(_val)              { .type = SIDE_ATTR_TYPE_S8, .u = { .integer_value = { .side_s8 = (_val) } } }
 562 #define side_attr_s16(_val)             { .type = SIDE_ATTR_TYPE_S16, .u = { .integer_value = { .side_s16 = (_val) } } }
 563 #define side_attr_s32(_val)             { .type = SIDE_ATTR_TYPE_S32, .u = { .integer_value = { .side_s32 = (_val) } } }
 564 #define side_attr_s64(_val)             { .type = SIDE_ATTR_TYPE_S64, .u = { .integer_value = { .side_s64 = (_val) } } }
 565 #define side_attr_pointer(_val)         { .type = SIDE_ATTR_TYPE_POINTER_HOST, .u = { .integer_value = { SIDE_PTR_HOST = (uintptr_t) (_val) } } }
 566 #define side_attr_float_binary16(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY16, .u = { .float_value = { .side_float_binary16 = (_val) } } }
 567 #define side_attr_float_binary32(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY32, .u = { .float_value = { .side_float_binary32 = (_val) } } }
 568 #define side_attr_float_binary64(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY64, .u = { .float_value = { .side_float_binary64 = (_val) } } }
 569 #define side_attr_float_binary128(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY128, .u = { .float_value = { .side_float_binary128 = (_val) } } }
 570 #define side_attr_string(_val)          { .type = SIDE_ATTR_TYPE_STRING, .u = { .string_value = (uintptr_t) (_val) } }
 571
 572 /* Static field definition */
 573
 574 #define side_type_null(_attr) \
 575         { \
 576                 .type = SIDE_TYPE_NULL, \
 577                 .u = { \
 578                         .side_null = { \
 579                                 .attr = _attr, \
 580                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 581                         }, \
 582                 }, \
 583         }
 584
 585 #define side_type_bool(_attr) \
 586         { \
 587                 .type = SIDE_TYPE_BOOL, \
 588                 .u = { \
 589                         .side_bool = { \
 590                                 .attr = _attr, \
 591                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 592                         }, \
 593                 }, \
 594         }
 595
 596 #define side_type_byte(_attr) \
 597         { \
 598                 .type = SIDE_TYPE_BYTE, \
 599                 .u = { \
 600                         .side_byte = { \
 601                                 .attr = _attr, \
 602                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 603                         }, \
 604                 }, \
 605         }
 606
 607 #define side_type_string(_attr) \
 608         { \
 609                 .type = SIDE_TYPE_STRING, \
 610                 .u = { \
 611                         .side_string = { \
 612                                 .attr = _attr, \
 613                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 614                         }, \
 615                 }, \
 616         }
 617
 618 #define side_type_dynamic() \
 619         { \
 620                 .type = SIDE_TYPE_DYNAMIC, \
 621         }
 622
 623 #define _side_type_integer(_type, _signedness, _byte_order, _integer_size_bits, _len_bits, _attr) \
 624         { \
 625                 .type = _type, \
 626                 .u = { \
 627                         .side_integer = { \
 628                                 .attr = _attr, \
 629                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 630                                 .integer_size_bits = _integer_size_bits, \
 631                                 .len_bits = _len_bits, \
 632                                 .signedness = _signedness, \
 633                                 .byte_order = _byte_order, \
 634                         }, \
 635                 }, \
 636         }
 637
 638 #define _side_type_float(_type, _byte_order, _float_size_bits, _attr) \
 639         { \
 640                 .type = _type, \
 641                 .u = { \
 642                         .side_float = { \
 643                                 .attr = _attr, \
 644                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 645                                 .byte_order = _byte_order, \
 646                                 .float_size_bits = _float_size_bits, \
 647                         }, \
 648                 }, \
 649         }
 650
 651 #define _side_field(_name, _type) \
 652         { \
 653                 .field_name = _name, \
 654                 .side_type = _type, \
 655         }
 656
 657 /* Host endian */
 658 #define side_type_u8(_attr)                             _side_type_integer(SIDE_TYPE_U8, false, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
 659 #define side_type_u16(_attr)                            _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_HOST, 16, 16, SIDE_PARAM(_attr))
 660 #define side_type_u32(_attr)                            _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_HOST, 32, 32, SIDE_PARAM(_attr))
 661 #define side_type_u64(_attr)                            _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_HOST, 64, 64, SIDE_PARAM(_attr))
 662 #define side_type_s8(_attr)                             _side_type_integer(SIDE_TYPE_S8, true, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
 663 #define side_type_s16(_attr)                            _side_type_integer(SIDE_TYPE_S16, true, SIDE_TYPE_BYTE_ORDER_HOST, 16, 16, SIDE_PARAM(_attr))
 664 #define side_type_s32(_attr)                            _side_type_integer(SIDE_TYPE_S32, true, SIDE_TYPE_BYTE_ORDER_HOST, 32, 32, SIDE_PARAM(_attr))
 665 #define side_type_s64(_attr)                            _side_type_integer(SIDE_TYPE_S64, true, SIDE_TYPE_BYTE_ORDER_HOST, 64, 64, SIDE_PARAM(_attr))
 666 #define side_type_pointer(_attr)                        _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_BITS_PER_LONG, \
 667                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 668 #define side_type_float_binary16(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 16, SIDE_PARAM(_attr))
 669 #define side_type_float_binary32(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 32, SIDE_PARAM(_attr))
 670 #define side_type_float_binary64(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 64, SIDE_PARAM(_attr))
 671 #define side_type_float_binary128(_attr)                _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 128, SIDE_PARAM(_attr))
 672
 673 #define side_field_null(_name, _attr)                   _side_field(_name, side_type_null(SIDE_PARAM(_attr)))
 674 #define side_field_bool(_name, _attr)                   _side_field(_name, side_type_bool(SIDE_PARAM(_attr)))
 675 #define side_field_u8(_name, _attr)                     _side_field(_name, side_type_u8(SIDE_PARAM(_attr)))
 676 #define side_field_u16(_name, _attr)                    _side_field(_name, side_type_u16(SIDE_PARAM(_attr)))
 677 #define side_field_u32(_name, _attr)                    _side_field(_name, side_type_u32(SIDE_PARAM(_attr)))
 678 #define side_field_u64(_name, _attr)                    _side_field(_name, side_type_u64(SIDE_PARAM(_attr)))
 679 #define side_field_s8(_name, _attr)                     _side_field(_name, side_type_s8(SIDE_PARAM(_attr)))
 680 #define side_field_s16(_name, _attr)                    _side_field(_name, side_type_s16(SIDE_PARAM(_attr)))
 681 #define side_field_s32(_name, _attr)                    _side_field(_name, side_type_s32(SIDE_PARAM(_attr)))
 682 #define side_field_s64(_name, _attr)                    _side_field(_name, side_type_s64(SIDE_PARAM(_attr)))
 683 #define side_field_byte(_name, _attr)                   _side_field(_name, side_type_byte(SIDE_PARAM(_attr)))
 684 #define side_field_pointer(_name, _attr)                _side_field(_name, side_type_pointer(SIDE_PARAM(_attr)))
 685 #define side_field_float_binary16(_name, _attr)         _side_field(_name, side_type_float_binary16(SIDE_PARAM(_attr)))
 686 #define side_field_float_binary32(_name, _attr)         _side_field(_name, side_type_float_binary32(SIDE_PARAM(_attr)))
 687 #define side_field_float_binary64(_name, _attr)         _side_field(_name, side_type_float_binary64(SIDE_PARAM(_attr)))
 688 #define side_field_float_binary128(_name, _attr)        _side_field(_name, side_type_float_binary128(SIDE_PARAM(_attr)))
 689 #define side_field_string(_name, _attr)                 _side_field(_name, side_type_string(SIDE_PARAM(_attr)))
 690 #define side_field_dynamic(_name)                       _side_field(_name, side_type_dynamic())
 691
 692 /* Little endian */
 693 #define side_type_u16_le(_attr)                         _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_LE, 16, 16, SIDE_PARAM(_attr))
 694 #define side_type_u32_le(_attr)                         _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_LE, 32, 32, SIDE_PARAM(_attr))
 695 #define side_type_u64_le(_attr)                         _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_LE, 64, 64, SIDE_PARAM(_attr))
 696 #define side_type_s16_le(_attr)                         _side_type_integer(SIDE_TYPE_S16, true, SIDE_TYPE_BYTE_ORDER_LE, 16, 16, SIDE_PARAM(_attr))
 697 #define side_type_s32_le(_attr)                         _side_type_integer(SIDE_TYPE_S32, true, SIDE_TYPE_BYTE_ORDER_LE, 32, 32, SIDE_PARAM(_attr))
 698 #define side_type_s64_le(_attr)                         _side_type_integer(SIDE_TYPE_S64, true, SIDE_TYPE_BYTE_ORDER_LE, 64, 64, SIDE_PARAM(_attr))
 699 #define side_type_pointer_le(_attr)                     _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_LE, SIDE_BITS_PER_LONG, \
 700                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 701 #define side_type_float_binary16_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_LE, 16, SIDE_PARAM(_attr))
 702 #define side_type_float_binary32_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_LE, 32, SIDE_PARAM(_attr))
 703 #define side_type_float_binary64_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_LE, 64, SIDE_PARAM(_attr))
 704 #define side_type_float_binary128_le(_attr)             _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_LE, 128, SIDE_PARAM(_attr))
 705
 706 #define side_field_u16_le(_name, _attr)                 _side_field(_name, side_type_u16_le(SIDE_PARAM(_attr)))
 707 #define side_field_u32_le(_name, _attr)                 _side_field(_name, side_type_u32_le(SIDE_PARAM(_attr)))
 708 #define side_field_u64_le(_name, _attr)                 _side_field(_name, side_type_u64_le(SIDE_PARAM(_attr)))
 709 #define side_field_s16_le(_name, _attr)                 _side_field(_name, side_type_s16_le(SIDE_PARAM(_attr)))
 710 #define side_field_s32_le(_name, _attr)                 _side_field(_name, side_type_s32_le(SIDE_PARAM(_attr)))
 711 #define side_field_s64_le(_name, _attr)                 _side_field(_name, side_type_s64_le(SIDE_PARAM(_attr)))
 712 #define side_field_pointer_le(_name, _attr)             _side_field(_name, side_type_pointer_le(SIDE_PARAM(_attr)))
 713 #define side_field_float_binary16_le(_name, _attr)      _side_field(_name, side_type_float_binary16_le(SIDE_PARAM(_attr)))
 714 #define side_field_float_binary32_le(_name, _attr)      _side_field(_name, side_type_float_binary32_le(SIDE_PARAM(_attr)))
 715 #define side_field_float_binary64_le(_name, _attr)      _side_field(_name, side_type_float_binary64_le(SIDE_PARAM(_attr)))
 716 #define side_field_float_binary128_le(_name, _attr)     _side_field(_name, side_type_float_binary128_le(SIDE_PARAM(_attr)))
 717
 718 /* Big endian */
 719 #define side_type_u16_be(_attr)                         _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_BE, 16, 16, SIDE_PARAM(_attr))
 720 #define side_type_u32_be(_attr)                         _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_BE, 32, 32, SIDE_PARAM(_attr))
 721 #define side_type_u64_be(_attr)                         _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_BE, 64, 64, SIDE_PARAM(_attr))
 722 #define side_type_s16_be(_attr)                         _side_type_integer(SIDE_TYPE_S16, false, SIDE_TYPE_BYTE_ORDER_BE, 16, 16, SIDE_PARAM(_attr))
 723 #define side_type_s32_be(_attr)                         _side_type_integer(SIDE_TYPE_S32, false, SIDE_TYPE_BYTE_ORDER_BE, 32, 32, SIDE_PARAM(_attr))
 724 #define side_type_s64_be(_attr)                         _side_type_integer(SIDE_TYPE_S64, false, SIDE_TYPE_BYTE_ORDER_BE, 64, 64, SIDE_PARAM(_attr))
 725 #define side_type_pointer_be(_attr)                     _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_BE, SIDE_BITS_PER_LONG, \
 726                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 727 #define side_type_float_binary16_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_BE, 16, SIDE_PARAM(_attr))
 728 #define side_type_float_binary32_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_BE, 32, SIDE_PARAM(_attr))
 729 #define side_type_float_binary64_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_BE, 64, SIDE_PARAM(_attr))
 730 #define side_type_float_binary128_be(_attr)             _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_BE, 128, SIDE_PARAM(_attr))
 731
 732 #define side_field_u16_be(_name, _attr)                 _side_field(_name, side_type_u16_be(SIDE_PARAM(_attr)))
 733 #define side_field_u32_be(_name, _attr)                 _side_field(_name, side_type_u32_be(SIDE_PARAM(_attr)))
 734 #define side_field_u64_be(_name, _attr)                 _side_field(_name, side_type_u64_be(SIDE_PARAM(_attr)))
 735 #define side_field_s16_be(_name, _attr)                 _side_field(_name, side_type_s16_be(SIDE_PARAM(_attr)))
 736 #define side_field_s32_be(_name, _attr)                 _side_field(_name, side_type_s32_be(SIDE_PARAM(_attr)))
 737 #define side_field_s64_be(_name, _attr)                 _side_field(_name, side_type_s64_be(SIDE_PARAM(_attr)))
 738 #define side_field_pointer_be(_name, _attr)             _side_field(_name, side_type_pointer_be(SIDE_PARAM(_attr)))
 739 #define side_field_float_binary16_be(_name, _attr)      _side_field(_name, side_type_float_binary16_be(SIDE_PARAM(_attr)))
 740 #define side_field_float_binary32_be(_name, _attr)      _side_field(_name, side_type_float_binary32_be(SIDE_PARAM(_attr)))
 741 #define side_field_float_binary64_be(_name, _attr)      _side_field(_name, side_type_float_binary64_be(SIDE_PARAM(_attr)))
 742 #define side_field_float_binary128_be(_name, _attr)     _side_field(_name, side_type_float_binary128_be(SIDE_PARAM(_attr)))
 743
 744 #define side_type_enum(_mappings, _elem_type) \
 745         { \
 746                 .type = SIDE_TYPE_ENUM, \
 747                 .u = { \
 748                         .side_enum = { \
 749                                 .mappings = _mappings, \
 750                                 .elem_type = _elem_type, \
 751                         }, \
 752                 }, \
 753         }
 754 #define side_field_enum(_name, _mappings, _elem_type) \
 755         _side_field(_name, side_type_enum(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
 756
 757 #define side_type_enum_bitmap(_mappings, _elem_type) \
 758         { \
 759                 .type = SIDE_TYPE_ENUM_BITMAP, \
 760                 .u = { \
 761                         .side_enum_bitmap = { \
 762                                 .mappings = _mappings, \
 763                                 .elem_type = _elem_type, \
 764                         }, \
 765                 }, \
 766         }
 767 #define side_field_enum_bitmap(_name, _mappings, _elem_type) \
 768         _side_field(_name, side_type_enum_bitmap(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
 769
 770 #define side_type_struct(_struct) \
 771         { \
 772                 .type = SIDE_TYPE_STRUCT, \
 773                 .u = { \
 774                         .side_struct = _struct, \
 775                 }, \
 776         }
 777 #define side_field_struct(_name, _struct) \
 778         _side_field(_name, side_type_struct(SIDE_PARAM(_struct)))
 779
 780 #define _side_type_struct_define(_fields, _attr) \
 781         { \
 782                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
 783                 .nr_attr  = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 784                 .fields = _fields, \
 785                 .attr = _attr, \
 786         }
 787
 788 #define side_define_struct(_identifier, _fields, _attr) \
 789         const struct side_type_struct _identifier = _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr))
 790
 791 #define side_struct_literal(_fields, _attr) \
 792         SIDE_COMPOUND_LITERAL(const struct side_type_struct, \
 793                 _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr)))
 794
 795 /* Scatter-gather fields */
 796
 797 #define _side_type_sg_integer(_type, _signedness, _byte_order, _offset, _integer_size_bits, _offset_bits, _len_bits, _attr) \
 798         { \
 799                 .type = _type, \
 800                 .u = { \
 801                         .side_sg = { \
 802                                 .offset = _offset, \
 803                                 .u = { \
 804                                         .side_integer = { \
 805                                                 .type = { \
 806                                                         .attr = _attr, \
 807                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 808                                                         .integer_size_bits = _integer_size_bits, \
 809                                                         .len_bits = _len_bits, \
 810                                                         .signedness = _signedness, \
 811                                                         .byte_order = _byte_order, \
 812                                                 }, \
 813                                                 .offset_bits = _offset_bits, \
 814                                         }, \
 815                                 }, \
 816                         }, \
 817                 }, \
 818         }
 819
 820 #define side_type_sg_unsigned_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _attr) \
 821         _side_type_sg_integer(SIDE_TYPE_SG_UNSIGNED_INT, false,  SIDE_TYPE_BYTE_ORDER_HOST, \
 822                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, SIDE_PARAM(_attr))
 823 #define side_type_sg_signed_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _attr) \
 824         _side_type_sg_integer(SIDE_TYPE_SG_SIGNED_INT, true, SIDE_TYPE_BYTE_ORDER_HOST, \
 825                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, SIDE_PARAM(_attr))
 826
 827 #define side_field_sg_unsigned_integer(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _attr) \
 828         _side_field(_name, side_type_sg_unsigned_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, SIDE_PARAM(_attr)))
 829 #define side_field_sg_signed_integer(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _attr) \
 830         _side_field(_name, side_type_sg_signed_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, SIDE_PARAM(_attr)))
 831
 832 #define side_type_struct_sg(_struct_sg, _offset) \
 833         { \
 834                 .type = SIDE_TYPE_SG_STRUCT, \
 835                 .u = { \
 836                         .side_sg = { \
 837                                 .offset = _offset, \
 838                                 .u = { \
 839                                         .side_struct = _struct_sg, \
 840                                 }, \
 841                         }, \
 842                 }, \
 843         }
 844 #define side_field_struct_sg(_name, _struct_sg, _offset) \
 845         _side_field(_name, side_type_struct_sg(SIDE_PARAM(_struct_sg), _offset))
 846
 847 #define side_type_array(_elem_type, _length, _attr) \
 848         { \
 849                 .type = SIDE_TYPE_ARRAY, \
 850                 .u = { \
 851                         .side_array = { \
 852                                 .elem_type = _elem_type, \
 853                                 .attr = _attr, \
 854                                 .length = _length, \
 855                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 856                         }, \
 857                 }, \
 858         }
 859 #define side_field_array(_name, _elem_type, _length, _attr) \
 860         _side_field(_name, side_type_array(SIDE_PARAM(_elem_type), _length, SIDE_PARAM(_attr)))
 861
 862 #define side_type_vla(_elem_type, _attr) \
 863         { \
 864                 .type = SIDE_TYPE_VLA, \
 865                 .u = { \
 866                         .side_vla = { \
 867                                 .elem_type = _elem_type, \
 868                                 .attr = _attr, \
 869                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 870                         }, \
 871                 }, \
 872         }
 873 #define side_field_vla(_name, _elem_type, _attr) \
 874         _side_field(_name, side_type_vla(SIDE_PARAM(_elem_type), SIDE_PARAM(_attr)))
 875
 876 #define side_type_vla_visitor(_elem_type, _visitor, _attr) \
 877         { \
 878                 .type = SIDE_TYPE_VLA_VISITOR, \
 879                 .u = { \
 880                         .side_vla_visitor = { \
 881                                 .elem_type = SIDE_PARAM(_elem_type), \
 882                                 .visitor = _visitor, \
 883                                 .attr = _attr, \
 884                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 885                         }, \
 886                 }, \
 887         }
 888 #define side_field_vla_visitor(_name, _elem_type, _visitor, _attr) \
 889         _side_field(_name, side_type_vla_visitor(SIDE_PARAM(_elem_type), _visitor, SIDE_PARAM(_attr)))
 890
 891 #define side_elem(...) \
 892         SIDE_COMPOUND_LITERAL(const struct side_type, __VA_ARGS__)
 893
 894 #define side_field_list(...) \
 895         SIDE_COMPOUND_LITERAL(const struct side_event_field, __VA_ARGS__)
 896
 897 /* Static field arguments */
 898
 899 #define side_arg_null(_val)             { .type = SIDE_TYPE_NULL }
 900 #define side_arg_bool(_val)             { .type = SIDE_TYPE_BOOL, .u = { .side_static = { .bool_value = !!(_val) } } }
 901 #define side_arg_byte(_val)             { .type = SIDE_TYPE_BYTE, .u = { .side_static = { .byte_value = (_val) } } }
 902 #define side_arg_string(_val)           { .type = SIDE_TYPE_STRING, .u = { .side_static = { .string_value = (uintptr_t) (_val) } } }
 903
 904 #define side_arg_u8(_val)               { .type = SIDE_TYPE_U8, .u = { .side_static = {  .integer_value = { .side_u8 = (_val) } } } }
 905 #define side_arg_u16(_val)              { .type = SIDE_TYPE_U16, .u = { .side_static = { .integer_value = { .side_u16 = (_val) } } } }
 906 #define side_arg_u32(_val)              { .type = SIDE_TYPE_U32, .u = { .side_static = { .integer_value = { .side_u32 = (_val) } } } }
 907 #define side_arg_u64(_val)              { .type = SIDE_TYPE_U64, .u = { .side_static = { .integer_value = { .side_u64 = (_val) } } } }
 908 #define side_arg_s8(_val)               { .type = SIDE_TYPE_S8, .u = { .side_static = { .integer_value = { .side_s8 = (_val) } } } }
 909 #define side_arg_s16(_val)              { .type = SIDE_TYPE_S16, .u = { .side_static = { .integer_value = { .side_s16 = (_val) } } } }
 910 #define side_arg_s32(_val)              { .type = SIDE_TYPE_S32, .u = { .side_static = { .integer_value = { .side_s32 = (_val) } } } }
 911 #define side_arg_s64(_val)              { .type = SIDE_TYPE_S64, .u = { .side_static = { .integer_value = { .side_s64 = (_val) } } } }
 912 #define side_arg_pointer(_val)          { .type = SIDE_TYPE_POINTER_HOST, .u = { .side_static = { .integer_value = { SIDE_PTR_HOST = (uintptr_t) (_val) } } } }
 913 #define side_arg_enum_bitmap8(_val)     { .type = SIDE_TYPE_ENUM_BITMAP8, .u = { .side_static = { .integer_value = { .side_u8 = (_val) } } } }
 914 #define side_arg_enum_bitmap16(_val)    { .type = SIDE_TYPE_ENUM_BITMAP16, .u = { .side_static = { .integer_value = { .side_u16 = (_val) } } } }
 915 #define side_arg_enum_bitmap32(_val)    { .type = SIDE_TYPE_ENUM_BITMAP32, .u = { .side_static = { .integer_value = { .side_u32 = (_val) } } } }
 916 #define side_arg_enum_bitmap64(_val)    { .type = SIDE_TYPE_ENUM_BITMAP64, .u = { .side_static = { .integer_value = { .side_u64 = (_val) } } } }
 917 #define side_arg_enum_bitmap_array(_side_type)  { .type = SIDE_TYPE_ENUM_BITMAP_ARRAY, .u = { .side_static = { .side_array = (_side_type) } } }
 918 #define side_arg_enum_bitmap_vla(_side_type)    { .type = SIDE_TYPE_ENUM_BITMAP_VLA, .u = { .side_static = { .side_vla = (_side_type) } } }
 919 #define side_arg_float_binary16(_val)   { .type = SIDE_TYPE_FLOAT_BINARY16, .u = { .side_static = { .float_value = { .side_float_binary16 = (_val) } } } }
 920 #define side_arg_float_binary32(_val)   { .type = SIDE_TYPE_FLOAT_BINARY32, .u = { .side_static = { .float_value = { .side_float_binary32 = (_val) } } } }
 921 #define side_arg_float_binary64(_val)   { .type = SIDE_TYPE_FLOAT_BINARY64, .u = { .side_static = { .float_value = { .side_float_binary64 = (_val) } } } }
 922 #define side_arg_float_binary128(_val)  { .type = SIDE_TYPE_FLOAT_BINARY128, .u = { .side_static = { .float_value = { .side_float_binary128 = (_val) } } } }
 923
 924 #define side_arg_struct(_side_type)     { .type = SIDE_TYPE_STRUCT, .u = { .side_static = { .side_struct = (_side_type) } } }
 925 #define side_arg_struct_sg(_ptr)        { .type = SIDE_TYPE_SG_STRUCT, .u = { .side_static = { .side_struct_sg_ptr = (_ptr) } } }
 926 #define side_arg_unsigned_integer_sg(_ptr)      { .type = SIDE_TYPE_SG_UNSIGNED_INT, .u = { .side_static = { .side_integer_sg_ptr = (_ptr) } } }
 927 #define side_arg_signed_integer_sg(_ptr)        { .type = SIDE_TYPE_SG_SIGNED_INT, .u = { .side_static = { .side_integer_sg_ptr = (_ptr) } } }
 928 #define side_arg_array(_side_type)      { .type = SIDE_TYPE_ARRAY, .u = { .side_static = { .side_array = (_side_type) } } }
 929 #define side_arg_vla(_side_type)        { .type = SIDE_TYPE_VLA, .u = { .side_static = { .side_vla = (_side_type) } } }
 930 #define side_arg_vla_visitor(_ctx)      { .type = SIDE_TYPE_VLA_VISITOR, .u = { .side_static = { .side_vla_app_visitor_ctx = (_ctx) } } }
 931
 932 #define side_arg_array_u8(_ptr)         { .type = SIDE_TYPE_ARRAY_U8, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 933 #define side_arg_array_u16(_ptr)        { .type = SIDE_TYPE_ARRAY_U16, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 934 #define side_arg_array_u32(_ptr)        { .type = SIDE_TYPE_ARRAY_U32, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 935 #define side_arg_array_u64(_ptr)        { .type = SIDE_TYPE_ARRAY_U64, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 936 #define side_arg_array_s8(_ptr)         { .type = SIDE_TYPE_ARRAY_S8, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 937 #define side_arg_array_s16(_ptr)        { .type = SIDE_TYPE_ARRAY_S16, .u = { .side_static = { .side_array_fixint  = (_ptr) } } }
 938 #define side_arg_array_s32(_ptr)        { .type = SIDE_TYPE_ARRAY_S32, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 939 #define side_arg_array_s64(_ptr)        { .type = SIDE_TYPE_ARRAY_S64, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 940 #define side_arg_array_byte(_ptr)       { .type = SIDE_TYPE_ARRAY_BYTE, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 941 #define side_arg_array_pointer(_ptr)    { .type = SIDE_TYPE_ARRAY_POINTER_HOST, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
 942
 943 #define side_arg_vla_u8(_ptr, _length)  { .type = SIDE_TYPE_VLA_U8, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
 944 #define side_arg_vla_u16(_ptr, _length) { .type = SIDE_TYPE_VLA_U16, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 945 #define side_arg_vla_u32(_ptr, _length) { .type = SIDE_TYPE_VLA_U32, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 946 #define side_arg_vla_u64(_ptr, _length) { .type = SIDE_TYPE_VLA_U64, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 947 #define side_arg_vla_s8(_ptr, _length)  { .type = SIDE_TYPE_VLA_S8, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 948 #define side_arg_vla_s16(_ptr, _length) { .type = SIDE_TYPE_VLA_S16, .u = { .side_static = { .side_vla_fixint  = { .p = (_ptr), .length = (_length) } } } }
 949 #define side_arg_vla_s32(_ptr, _length) { .type = SIDE_TYPE_VLA_S32, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 950 #define side_arg_vla_s64(_ptr, _length) { .type = SIDE_TYPE_VLA_S64, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 951 #define side_arg_vla_byte(_ptr, _length) { .type = SIDE_TYPE_VLA_BYTE, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 952 #define side_arg_vla_pointer(_ptr, _length) { .type = SIDE_TYPE_VLA_POINTER_HOST, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
 953
 954 /* Dynamic field arguments */
 955
 956 #define side_arg_dynamic_null(_attr) \
 957         { \
 958                 .type = SIDE_TYPE_DYNAMIC_NULL, \
 959                 .u = { \
 960                         .side_dynamic = { \
 961                                 .side_null = { \
 962                                         .attr = _attr, \
 963                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 964                                 }, \
 965                         }, \
 966                 }, \
 967         }
 968
 969 #define side_arg_dynamic_bool(_val, _attr) \
 970         { \
 971                 .type = SIDE_TYPE_DYNAMIC_BOOL, \
 972                 .u = { \
 973                         .side_dynamic = { \
 974                                 .side_bool = { \
 975                                         .type = { \
 976                                                 .attr = _attr, \
 977                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 978                                         }, \
 979                                         .value = !!(_val), \
 980                                 }, \
 981                         }, \
 982                 }, \
 983         }
 984
 985 #define side_arg_dynamic_byte(_val, _attr) \
 986         { \
 987                 .type = SIDE_TYPE_DYNAMIC_BYTE, \
 988                 .u = { \
 989                         .side_dynamic = { \
 990                                 .side_byte = { \
 991                                         .type = { \
 992                                                 .attr = _attr, \
 993                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 994                                         }, \
 995                                         .value = (_val), \
 996                                 }, \
 997                         }, \
 998                 }, \
 999         }
1000 #define side_arg_dynamic_string(_val, _attr) \
1001         { \
1002                 .type = SIDE_TYPE_DYNAMIC_STRING, \
1003                 .u = { \
1004                         .side_dynamic = { \
1005                                 .side_string = { \
1006                                         .type = { \
1007                                                 .attr = _attr, \
1008                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1009                                         }, \
1010                                         .value = (uintptr_t) (_val), \
1011                                 }, \
1012                         }, \
1013                 }, \
1014         }
1015
1016 #define _side_arg_dynamic_integer(_field, _val, _type, _signedness, _byte_order, _integer_size_bits, _len_bits, _attr) \
1017         { \
1018                 .type = _type, \
1019                 .u = { \
1020                         .side_dynamic = { \
1021                                 .side_integer = { \
1022                                         .type = { \
1023                                                 .attr = _attr, \
1024                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1025                                                 .integer_size_bits = _integer_size_bits, \
1026                                                 .len_bits = _len_bits, \
1027                                                 .signedness = _signedness, \
1028                                                 .byte_order = _byte_order, \
1029                                         }, \
1030                                         .value = { \
1031                                                 _field = (_val), \
1032                                         }, \
1033                                 }, \
1034                         }, \
1035                 }, \
1036         }
1037
1038 #define side_arg_dynamic_u8(_val, _attr) \
1039         _side_arg_dynamic_integer(.side_u8, _val, SIDE_TYPE_DYNAMIC_U8, false, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
1040 #define side_arg_dynamic_s8(_val, _attr) \
1041         _side_arg_dynamic_integer(.side_s8, _val, SIDE_TYPE_DYNAMIC_S8, true, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
1042
1043 #define _side_arg_dynamic_u16(_val, _byte_order, _attr) \
1044         _side_arg_dynamic_integer(.side_u16, _val, SIDE_TYPE_DYNAMIC_U16, false, _byte_order, 16, 16, SIDE_PARAM(_attr))
1045 #define _side_arg_dynamic_u32(_val, _byte_order, _attr) \
1046         _side_arg_dynamic_integer(.side_u32, _val, SIDE_TYPE_DYNAMIC_U32, false, _byte_order, 32, 32, SIDE_PARAM(_attr))
1047 #define _side_arg_dynamic_u64(_val, _byte_order, _attr) \
1048         _side_arg_dynamic_integer(.side_u64, _val, SIDE_TYPE_DYNAMIC_U64, false, _byte_order, 64, 64, SIDE_PARAM(_attr))
1049
1050 #define _side_arg_dynamic_s16(_val, _byte_order, _attr) \
1051         _side_arg_dynamic_integer(.side_s16, _val, SIDE_TYPE_DYNAMIC_S16, true, _byte_order, 16, 16, SIDE_PARAM(_attr))
1052 #define _side_arg_dynamic_s32(_val, _byte_order, _attr) \
1053         _side_arg_dynamic_integer(.side_s32, _val, SIDE_TYPE_DYNAMIC_S32, true, _byte_order, 32, 32, SIDE_PARAM(_attr))
1054 #define _side_arg_dynamic_s64(_val, _byte_order, _attr) \
1055         _side_arg_dynamic_integer(.side_s64, _val, SIDE_TYPE_DYNAMIC_S64, true, _byte_order, 64, 64, SIDE_PARAM(_attr))
1056
1057 #define _side_arg_dynamic_pointer(_val, _byte_order, _attr) \
1058         _side_arg_dynamic_integer(SIDE_PTR_HOST, (uintptr_t) (_val), SIDE_TYPE_DYNAMIC_POINTER_HOST, false, _byte_order, \
1059                         SIDE_BITS_PER_LONG, SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
1060
1061 #define _side_arg_dynamic_float(_field, _val, _type, _byte_order, _float_size_bits, _attr) \
1062         { \
1063                 .type = _type, \
1064                 .u = { \
1065                         .side_dynamic = { \
1066                                 .side_float = { \
1067                                         .type = { \
1068                                                 .attr = _attr, \
1069                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1070                                                 .byte_order = _byte_order, \
1071                                                 .float_size_bits = _float_size_bits, \
1072                                         }, \
1073                                         .value = { \
1074                                                 _field = (_val), \
1075                                         }, \
1076                                 }, \
1077                         }, \
1078                 }, \
1079         }
1080
1081 #define _side_arg_dynamic_float_binary16(_val, _byte_order, _attr) \
1082         _side_arg_dynamic_float(.side_float_binary16, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY16, _byte_order, 16, SIDE_PARAM(_attr))
1083 #define _side_arg_dynamic_float_binary32(_val, _byte_order, _attr) \
1084         _side_arg_dynamic_float(.side_float_binary32, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY32, _byte_order, 32, SIDE_PARAM(_attr))
1085 #define _side_arg_dynamic_float_binary64(_val, _byte_order, _attr) \
1086         _side_arg_dynamic_float(.side_float_binary64, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY64, _byte_order, 64, SIDE_PARAM(_attr))
1087 #define _side_arg_dynamic_float_binary128(_val, _byte_order, _attr) \
1088         _side_arg_dynamic_float(.side_float_binary128, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY128, _byte_order, 128, SIDE_PARAM(_attr))
1089
1090 /* Host endian */
1091 #define side_arg_dynamic_u16(_val, _attr)               _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1092 #define side_arg_dynamic_u32(_val, _attr)               _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1093 #define side_arg_dynamic_u64(_val, _attr)               _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1094 #define side_arg_dynamic_s16(_val, _attr)               _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1095 #define side_arg_dynamic_s32(_val, _attr)               _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1096 #define side_arg_dynamic_s64(_val, _attr)               _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1097 #define side_arg_dynamic_pointer(_val, _attr)           _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1098 #define side_arg_dynamic_float_binary16(_val, _attr)    _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1099 #define side_arg_dynamic_float_binary32(_val, _attr)    _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1100 #define side_arg_dynamic_float_binary64(_val, _attr)    _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1101 #define side_arg_dynamic_float_binary128(_val, _attr)   _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1102
1103 /* Little endian */
1104 #define side_arg_dynamic_u16_le(_val, _attr)                    _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1105 #define side_arg_dynamic_u32_le(_val, _attr)                    _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1106 #define side_arg_dynamic_u64_le(_val, _attr)                    _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1107 #define side_arg_dynamic_s16_le(_val, _attr)                    _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1108 #define side_arg_dynamic_s32_le(_val, _attr)                    _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1109 #define side_arg_dynamic_s64_le(_val, _attr)                    _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1110 #define side_arg_dynamic_pointer_le(_val, _attr)                _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1111 #define side_arg_dynamic_float_binary16_le(_val, _attr)         _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1112 #define side_arg_dynamic_float_binary32_le(_val, _attr)         _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1113 #define side_arg_dynamic_float_binary64_le(_val, _attr)         _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1114 #define side_arg_dynamic_float_binary128_le(_val, _attr)        _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1115
1116 /* Big endian */
1117 #define side_arg_dynamic_u16_be(_val, _attr)                    _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1118 #define side_arg_dynamic_u32_be(_val, _attr)                    _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1119 #define side_arg_dynamic_u64_be(_val, _attr)                    _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1120 #define side_arg_dynamic_s16_be(_val, _attr)                    _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1121 #define side_arg_dynamic_s32_be(_val, _attr)                    _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1122 #define side_arg_dynamic_s64_be(_val, _attr)                    _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1123 #define side_arg_dynamic_pointer_be(_val, _attr)                _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1124 #define side_arg_dynamic_float_binary16_be(_val, _attr)         _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1125 #define side_arg_dynamic_float_binary32_be(_val, _attr)         _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1126 #define side_arg_dynamic_float_binary64_be(_val, _attr)         _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1127 #define side_arg_dynamic_float_binary128_be(_val, _attr)        _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1128
1129 #define side_arg_dynamic_vla(_vla) \
1130         { \
1131                 .type = SIDE_TYPE_DYNAMIC_VLA, \
1132                 .u = { \
1133                         .side_dynamic = { \
1134                                 .side_dynamic_vla = (_vla), \
1135                         }, \
1136                 }, \
1137         }
1138
1139 #define side_arg_dynamic_vla_visitor(_dynamic_vla_visitor, _ctx, _attr) \
1140         { \
1141                 .type = SIDE_TYPE_DYNAMIC_VLA_VISITOR, \
1142                 .u = { \
1143                         .side_dynamic = { \
1144                                 .side_dynamic_vla_visitor = { \
1145                                         .app_ctx = _ctx, \
1146                                         .visitor = _dynamic_vla_visitor, \
1147                                         .attr = _attr, \
1148                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1149                                 }, \
1150                         }, \
1151                 }, \
1152         }
1153
1154 #define side_arg_dynamic_struct(_struct) \
1155         { \
1156                 .type = SIDE_TYPE_DYNAMIC_STRUCT, \
1157                 .u = { \
1158                         .side_dynamic = { \
1159                                 .side_dynamic_struct = (_struct), \
1160                         }, \
1161                 }, \
1162         }
1163
1164 #define side_arg_dynamic_struct_visitor(_dynamic_struct_visitor, _ctx, _attr) \
1165         { \
1166                 .type = SIDE_TYPE_DYNAMIC_STRUCT_VISITOR, \
1167                 .u = { \
1168                         .side_dynamic = { \
1169                                 .side_dynamic_struct_visitor = { \
1170                                         .app_ctx = _ctx, \
1171                                         .visitor = _dynamic_struct_visitor, \
1172                                         .attr = _attr, \
1173                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1174                                 }, \
1175                         }, \
1176                 }, \
1177         }
1178
1179 #define side_arg_dynamic_define_vec(_identifier, _sav, _attr) \
1180         const struct side_arg _identifier##_vec[] = { _sav }; \
1181         const struct side_arg_dynamic_vla _identifier = { \
1182                 .sav = _identifier##_vec, \
1183                 .attr = _attr, \
1184                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1185                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1186         }
1187
1188 #define side_arg_dynamic_define_struct(_identifier, _struct_fields, _attr) \
1189         const struct side_arg_dynamic_event_field _identifier##_fields[] = { _struct_fields }; \
1190         const struct side_arg_dynamic_event_struct _identifier = { \
1191                 .fields = _identifier##_fields, \
1192                 .attr = _attr, \
1193                 .len = SIDE_ARRAY_SIZE(_identifier##_fields), \
1194                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1195         }
1196
1197 #define side_arg_define_vec(_identifier, _sav) \
1198         const struct side_arg _identifier##_vec[] = { _sav }; \
1199         const struct side_arg_vec _identifier = { \
1200                 .sav = _identifier##_vec, \
1201                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1202         }
1203
1204 #define side_arg_dynamic_field(_name, _elem) \
1205         { \
1206                 .field_name = _name, \
1207                 .elem = _elem, \
1208         }
1209
1210 #define side_arg_list(...)      __VA_ARGS__
1211
1212 #define side_define_enum(_identifier, _mappings, _attr) \
1213         const struct side_enum_mappings _identifier = { \
1214                 .mappings = _mappings, \
1215                 .attr = _attr, \
1216                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1217                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1218         }
1219
1220 #define side_enum_mapping_list(...) \
1221         SIDE_COMPOUND_LITERAL(const struct side_enum_mapping, __VA_ARGS__)
1222
1223 #define side_enum_mapping_range(_label, _begin, _end) \
1224         { \
1225                 .range_begin = _begin, \
1226                 .range_end = _end, \
1227                 .label = _label, \
1228         }
1229
1230 #define side_enum_mapping_value(_label, _value) \
1231         { \
1232                 .range_begin = _value, \
1233                 .range_end = _value, \
1234                 .label = _label, \
1235         }
1236
1237 #define side_define_enum_bitmap(_identifier, _mappings, _attr) \
1238         const struct side_enum_bitmap_mappings _identifier = { \
1239                 .mappings = _mappings, \
1240                 .attr = _attr, \
1241                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1242                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1243         }
1244
1245 #define side_enum_bitmap_mapping_list(...) \
1246         SIDE_COMPOUND_LITERAL(const struct side_enum_bitmap_mapping, __VA_ARGS__)
1247
1248 #define side_enum_bitmap_mapping_range(_label, _begin, _end) \
1249         { \
1250                 .range_begin = _begin, \
1251                 .range_end = _end, \
1252                 .label = _label, \
1253         }
1254
1255 #define side_enum_bitmap_mapping_value(_label, _value) \
1256         { \
1257                 .range_begin = _value, \
1258                 .range_end = _value, \
1259                 .label = _label, \
1260         }
1261
1262 #define side_event_cond(_identifier) \
1263         if (side_unlikely(__atomic_load_n(&side_event_enable__##_identifier, \
1264                                         __ATOMIC_RELAXED)))
1265
1266 #define side_event_call(_identifier, _sav) \
1267         { \
1268                 const struct side_arg side_sav[] = { _sav }; \
1269                 const struct side_arg_vec side_arg_vec = { \
1270                         .sav = side_sav, \
1271                         .len = SIDE_ARRAY_SIZE(side_sav), \
1272                 }; \
1273                 side_call(&(_identifier), &side_arg_vec); \
1274         }
1275
1276 #define side_event(_identifier, _sav) \
1277         side_event_cond(_identifier) \
1278                 side_event_call(_identifier, SIDE_PARAM(_sav))
1279
1280 #define side_event_call_variadic(_identifier, _sav, _var_fields, _attr) \
1281         { \
1282                 const struct side_arg side_sav[] = { _sav }; \
1283                 const struct side_arg_vec side_arg_vec = { \
1284                         .sav = side_sav, \
1285                         .len = SIDE_ARRAY_SIZE(side_sav), \
1286                 }; \
1287                 const struct side_arg_dynamic_event_field side_fields[] = { _var_fields }; \
1288                 const struct side_arg_dynamic_event_struct var_struct = { \
1289                         .fields = side_fields, \
1290                         .attr = _attr, \
1291                         .len = SIDE_ARRAY_SIZE(side_fields), \
1292                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1293                 }; \
1294                 side_call_variadic(&(_identifier), &side_arg_vec, &var_struct); \
1295         }
1296
1297 #define side_event_variadic(_identifier, _sav, _var, _attr) \
1298         side_event_cond(_identifier) \
1299                 side_event_call_variadic(_identifier, SIDE_PARAM(_sav), SIDE_PARAM(_var), SIDE_PARAM(_attr))
1300
1301 #define _side_define_event(_linkage, _identifier, _provider, _event, _loglevel, _fields, _attr, _flags) \
1302         _linkage uintptr_t side_event_enable__##_identifier __attribute__((section("side_event_enable"))); \
1303         _linkage struct side_event_description __attribute__((section("side_event_description"))) \
1304                         _identifier = { \
1305                 .enabled = &(side_event_enable__##_identifier), \
1306                 .provider_name = _provider, \
1307                 .event_name = _event, \
1308                 .fields = _fields, \
1309                 .attr = _attr, \
1310                 .callbacks = &side_empty_callback, \
1311                 .flags = (_flags), \
1312                 .version = 0, \
1313                 .loglevel = _loglevel, \
1314                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
1315                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1316                 .nr_callbacks = 0, \
1317         }; \
1318         static const struct side_event_description *side_event_ptr__##_identifier \
1319                 __attribute__((section("side_event_description_ptr"), used)) = &(_identifier);
1320
1321 #define side_static_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1322         _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1323                         SIDE_PARAM(_attr), 0)
1324
1325 #define side_static_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1326         _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1327                         SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1328
1329 #define side_hidden_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1330         _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1331                         SIDE_PARAM(_attr), 0)
1332
1333 #define side_hidden_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1334         _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1335                         SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1336
1337 #define side_export_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1338         _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1339                         SIDE_PARAM(_attr), 0)
1340
1341 #define side_export_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1342         _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1343                         SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1344
1345 #define side_declare_event(_identifier) \
1346         extern uintptr_t side_event_enable_##_identifier; \
1347         extern struct side_event_description _identifier
1348
1349 extern const struct side_callback side_empty_callback;
1350
1351 void side_call(const struct side_event_description *desc,
1352         const struct side_arg_vec *side_arg_vec);
1353 void side_call_variadic(const struct side_event_description *desc,
1354         const struct side_arg_vec *side_arg_vec,
1355         const struct side_arg_dynamic_event_struct *var_struct);
1356
1357 int side_tracer_callback_register(struct side_event_description *desc,
1358                 void (*call)(const struct side_event_description *desc,
1359                         const struct side_arg_vec *side_arg_vec,
1360                         void *priv),
1361                 void *priv);
1362 int side_tracer_callback_variadic_register(struct side_event_description *desc,
1363                 void (*call_variadic)(const struct side_event_description *desc,
1364                         const struct side_arg_vec *side_arg_vec,
1365                         const struct side_arg_dynamic_event_struct *var_struct,
1366                         void *priv),
1367                 void *priv);
1368 int side_tracer_callback_unregister(struct side_event_description *desc,
1369                 void (*call)(const struct side_event_description *desc,
1370                         const struct side_arg_vec *side_arg_vec,
1371                         void *priv),
1372                 void *priv);
1373 int side_tracer_callback_variadic_unregister(struct side_event_description *desc,
1374                 void (*call_variadic)(const struct side_event_description *desc,
1375                         const struct side_arg_vec *side_arg_vec,
1376                         const struct side_arg_dynamic_event_struct *var_struct,
1377                         void *priv),
1378                 void *priv);
1379
1380 struct side_events_register_handle *side_events_register(struct side_event_description **events, uint32_t nr_events);
1381 void side_events_unregister(struct side_events_register_handle *handle);
1382
1383 enum side_tracer_notification {
1384         SIDE_TRACER_NOTIFICATION_INSERT_EVENTS,
1385         SIDE_TRACER_NOTIFICATION_REMOVE_EVENTS,
1386 };
1387
1388 /* Callback is invoked with side library internal lock held. */
1389 struct side_tracer_handle *side_tracer_event_notification_register(
1390                 void (*cb)(enum side_tracer_notification notif,
1391                         struct side_event_description **events, uint32_t nr_events, void *priv),
1392                 void *priv);
1393 void side_tracer_event_notification_unregister(struct side_tracer_handle *handle);
1394
1395 void side_init(void);
1396 void side_exit(void);
1397
1398 /*
1399  * These weak symbols, the constructor, and destructor take care of
1400  * registering only _one_ instance of the side instrumentation per
1401  * shared-ojbect (or for the whole main program).
1402  */
1403 extern struct side_event_description * __start_side_event_description_ptr[]
1404         __attribute__((weak, visibility("hidden")));
1405 extern struct side_event_description * __stop_side_event_description_ptr[]
1406         __attribute__((weak, visibility("hidden")));
1407 int side_event_description_ptr_registered
1408         __attribute__((weak, visibility("hidden")));
1409 struct side_events_register_handle *side_events_handle
1410         __attribute__((weak, visibility("hidden")));
1411
1412 static void
1413 side_event_description_ptr_init(void)
1414         __attribute__((no_instrument_function))
1415         __attribute__((constructor));
1416 static void
1417 side_event_description_ptr_init(void)
1418 {
1419         if (side_event_description_ptr_registered++)
1420                 return;
1421         side_events_handle = side_events_register(__start_side_event_description_ptr,
1422                 __stop_side_event_description_ptr - __start_side_event_description_ptr);
1423 }
1424
1425 static void
1426 side_event_description_ptr_exit(void)
1427         __attribute__((no_instrument_function))
1428         __attribute__((destructor));
1429 static void
1430 side_event_description_ptr_exit(void)
1431 {
1432         if (--side_event_description_ptr_registered)
1433                 return;
1434         side_events_unregister(side_events_handle);
1435         side_events_handle = NULL;
1436 }
1437
1438 #endif /* _SIDE_TRACE_H */