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_field;
  27 struct side_arg_dynamic_vla;
  28 struct side_type;
  29 struct side_event_field;
  30 struct side_tracer_visitor_ctx;
  31 struct side_tracer_dynamic_struct_visitor_ctx;
  32 struct side_event_description;
  33 struct side_arg_dynamic_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         /* Gather types */
  94         SIDE_TYPE_GATHER_UNSIGNED_INT,
  95         SIDE_TYPE_GATHER_SIGNED_INT,
  96         SIDE_TYPE_GATHER_BYTE,
  97         SIDE_TYPE_GATHER_FLOAT,
  98         SIDE_TYPE_GATHER_STRUCT,
  99         SIDE_TYPE_GATHER_ARRAY,
 100         SIDE_TYPE_GATHER_VLA,
 101
 102         /* Dynamic types */
 103         SIDE_TYPE_DYNAMIC_NULL,
 104         SIDE_TYPE_DYNAMIC_BOOL,
 105         SIDE_TYPE_DYNAMIC_U8,
 106         SIDE_TYPE_DYNAMIC_U16,
 107         SIDE_TYPE_DYNAMIC_U32,
 108         SIDE_TYPE_DYNAMIC_U64,
 109         SIDE_TYPE_DYNAMIC_S8,
 110         SIDE_TYPE_DYNAMIC_S16,
 111         SIDE_TYPE_DYNAMIC_S32,
 112         SIDE_TYPE_DYNAMIC_S64,
 113         SIDE_TYPE_DYNAMIC_BYTE,
 114         SIDE_TYPE_DYNAMIC_POINTER32,
 115         SIDE_TYPE_DYNAMIC_POINTER64,
 116         SIDE_TYPE_DYNAMIC_FLOAT_BINARY16,
 117         SIDE_TYPE_DYNAMIC_FLOAT_BINARY32,
 118         SIDE_TYPE_DYNAMIC_FLOAT_BINARY64,
 119         SIDE_TYPE_DYNAMIC_FLOAT_BINARY128,
 120         SIDE_TYPE_DYNAMIC_STRING,
 121
 122         /* Dynamic compound types */
 123         SIDE_TYPE_DYNAMIC_STRUCT,
 124         SIDE_TYPE_DYNAMIC_STRUCT_VISITOR,
 125         SIDE_TYPE_DYNAMIC_VLA,
 126         SIDE_TYPE_DYNAMIC_VLA_VISITOR,
 127 };
 128
 129 enum side_attr_type {
 130         SIDE_ATTR_TYPE_NULL,
 131         SIDE_ATTR_TYPE_BOOL,
 132         SIDE_ATTR_TYPE_U8,
 133         SIDE_ATTR_TYPE_U16,
 134         SIDE_ATTR_TYPE_U32,
 135         SIDE_ATTR_TYPE_U64,
 136         SIDE_ATTR_TYPE_S8,
 137         SIDE_ATTR_TYPE_S16,
 138         SIDE_ATTR_TYPE_S32,
 139         SIDE_ATTR_TYPE_S64,
 140         SIDE_ATTR_TYPE_POINTER32,
 141         SIDE_ATTR_TYPE_POINTER64,
 142         SIDE_ATTR_TYPE_FLOAT_BINARY16,
 143         SIDE_ATTR_TYPE_FLOAT_BINARY32,
 144         SIDE_ATTR_TYPE_FLOAT_BINARY64,
 145         SIDE_ATTR_TYPE_FLOAT_BINARY128,
 146         SIDE_ATTR_TYPE_STRING,
 147 };
 148
 149 enum side_loglevel {
 150         SIDE_LOGLEVEL_EMERG = 0,
 151         SIDE_LOGLEVEL_ALERT = 1,
 152         SIDE_LOGLEVEL_CRIT = 2,
 153         SIDE_LOGLEVEL_ERR = 3,
 154         SIDE_LOGLEVEL_WARNING = 4,
 155         SIDE_LOGLEVEL_NOTICE = 5,
 156         SIDE_LOGLEVEL_INFO = 6,
 157         SIDE_LOGLEVEL_DEBUG = 7,
 158 };
 159
 160 enum side_visitor_status {
 161         SIDE_VISITOR_STATUS_OK = 0,
 162         SIDE_VISITOR_STATUS_ERROR = -1,
 163 };
 164
 165 enum side_error {
 166         SIDE_ERROR_OK = 0,
 167         SIDE_ERROR_INVAL = 1,
 168         SIDE_ERROR_EXIST = 2,
 169         SIDE_ERROR_NOMEM = 3,
 170         SIDE_ERROR_NOENT = 4,
 171         SIDE_ERROR_EXITING = 5,
 172 };
 173
 174 enum side_type_label_byte_order {
 175         SIDE_TYPE_BYTE_ORDER_LE = 0,
 176         SIDE_TYPE_BYTE_ORDER_BE = 1,
 177 };
 178
 179 #if (SIDE_BYTE_ORDER == SIDE_LITTLE_ENDIAN)
 180 # define SIDE_TYPE_BYTE_ORDER_HOST              SIDE_TYPE_BYTE_ORDER_LE
 181 #else
 182 # define SIDE_TYPE_BYTE_ORDER_HOST              SIDE_TYPE_BYTE_ORDER_BE
 183 #endif
 184
 185 #if (SIDE_FLOAT_WORD_ORDER == SIDE_LITTLE_ENDIAN)
 186 # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST        SIDE_TYPE_BYTE_ORDER_LE
 187 #else
 188 # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST        SIDE_TYPE_BYTE_ORDER_BE
 189 #endif
 190
 191 typedef enum side_visitor_status (*side_visitor_func)(
 192                 const struct side_tracer_visitor_ctx *tracer_ctx,
 193                 void *app_ctx);
 194 typedef enum side_visitor_status (*side_dynamic_struct_visitor_func)(
 195                 const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 196                 void *app_ctx);
 197
 198 union side_integer_value {
 199         uint8_t side_u8;
 200         uint16_t side_u16;
 201         uint32_t side_u32;
 202         uint64_t side_u64;
 203         int8_t side_s8;
 204         int16_t side_s16;
 205         int32_t side_s32;
 206         int64_t side_s64;
 207 } SIDE_PACKED;
 208
 209 union side_float_value {
 210 #if __HAVE_FLOAT16
 211         _Float16 side_float_binary16;
 212 #endif
 213 #if __HAVE_FLOAT32
 214         _Float32 side_float_binary32;
 215 #endif
 216 #if __HAVE_FLOAT64
 217         _Float64 side_float_binary64;
 218 #endif
 219 #if __HAVE_FLOAT128
 220         _Float128 side_float_binary128;
 221 #endif
 222 } SIDE_PACKED;
 223
 224 struct side_attr_value {
 225         uint32_t type;  /* enum side_attr_type */
 226         union {
 227                 uint8_t bool_value;
 228                 uint64_t string_value;  /* const char * */
 229                 union side_integer_value integer_value;
 230                 union side_float_value float_value;
 231         } SIDE_PACKED u;
 232 };
 233
 234 /* User attributes. */
 235 struct side_attr {
 236         const char *key;
 237         const struct side_attr_value value;
 238 } SIDE_PACKED;
 239
 240 /* Type descriptions */
 241 struct side_type_null {
 242         const struct side_attr *attr;
 243         uint32_t nr_attr;
 244 } SIDE_PACKED;
 245
 246 struct side_type_bool {
 247         const struct side_attr *attr;
 248         uint32_t nr_attr;
 249 } SIDE_PACKED;
 250
 251 struct side_type_byte {
 252         const struct side_attr *attr;
 253         uint32_t nr_attr;
 254 } SIDE_PACKED;
 255
 256 struct side_type_string {
 257         const struct side_attr *attr;
 258         uint32_t nr_attr;
 259 } SIDE_PACKED;
 260
 261 struct side_type_integer {
 262         const struct side_attr *attr;
 263         uint32_t nr_attr;
 264         uint16_t integer_size_bits;     /* bits */
 265         uint16_t len_bits;              /* bits */
 266         uint8_t signedness;             /* true/false */
 267         uint8_t byte_order;             /* enum side_type_label_byte_order */
 268 } SIDE_PACKED;
 269
 270 struct side_type_float {
 271         const struct side_attr *attr;
 272         uint32_t nr_attr;
 273         uint16_t float_size_bits;       /* bits */
 274         uint8_t byte_order;             /* enum side_type_label_byte_order */
 275 } SIDE_PACKED;
 276
 277 struct side_enum_mapping {
 278         int64_t range_begin;
 279         int64_t range_end;
 280         const char *label;
 281 } SIDE_PACKED;
 282
 283 struct side_enum_mappings {
 284         const struct side_enum_mapping *mappings;
 285         const struct side_attr *attr;
 286         uint32_t nr_mappings;
 287         uint32_t nr_attr;
 288 } SIDE_PACKED;
 289
 290 struct side_enum_bitmap_mapping {
 291         uint64_t range_begin;
 292         uint64_t range_end;
 293         const char *label;
 294 } SIDE_PACKED;
 295
 296 struct side_enum_bitmap_mappings {
 297         const struct side_enum_bitmap_mapping *mappings;
 298         const struct side_attr *attr;
 299         uint32_t nr_mappings;
 300         uint32_t nr_attr;
 301 } SIDE_PACKED;
 302
 303 struct side_type_struct {
 304         const struct side_event_field *fields;
 305         const struct side_attr *attr;
 306         uint32_t nr_fields;
 307         uint32_t nr_attr;
 308 } SIDE_PACKED;
 309
 310 struct side_type_array {
 311         const struct side_type *elem_type;
 312         const struct side_attr *attr;
 313         uint32_t length;
 314         uint32_t nr_attr;
 315 } SIDE_PACKED;
 316
 317 struct side_type_vla {
 318         const struct side_type *elem_type;
 319         const struct side_attr *attr;
 320         uint32_t nr_attr;
 321 } SIDE_PACKED;
 322
 323 struct side_type_vla_visitor {
 324         const struct side_type *elem_type;
 325         side_visitor_func visitor;
 326         const struct side_attr *attr;
 327         uint32_t nr_attr;
 328 } SIDE_PACKED;
 329
 330 struct side_type_enum {
 331         const struct side_enum_mappings *mappings;
 332         const struct side_type *elem_type;
 333 } SIDE_PACKED;
 334
 335 struct side_type_enum_bitmap {
 336         const struct side_enum_bitmap_mappings *mappings;
 337         const struct side_type *elem_type;
 338 } SIDE_PACKED;
 339
 340 struct side_type_gather_byte {
 341         uint64_t offset;        /* bytes */
 342         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 343         struct side_type_byte type;
 344 } SIDE_PACKED;
 345
 346 struct side_type_gather_integer {
 347         uint64_t offset;        /* bytes */
 348         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 349         struct side_type_integer type;
 350         uint16_t offset_bits;   /* bits */
 351 } SIDE_PACKED;
 352
 353 struct side_type_gather_float {
 354         uint64_t offset;        /* bytes */
 355         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 356         struct side_type_float type;
 357 } SIDE_PACKED;
 358
 359 struct side_type_gather_struct {
 360         uint64_t offset;        /* bytes */
 361         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 362         const struct side_type_struct *type;
 363         uint32_t size;          /* bytes */
 364 } SIDE_PACKED;
 365
 366 struct side_type_gather_array {
 367         uint64_t offset;        /* bytes */
 368         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 369         struct side_type_array type;
 370 } SIDE_PACKED;
 371
 372 struct side_type_gather_vla {
 373         const struct side_type *length_type;    /* side_length() */
 374
 375         uint64_t offset;        /* bytes */
 376         uint8_t access_mode;    /* enum side_type_gather_access_mode */
 377         struct side_type_vla type;
 378 } SIDE_PACKED;
 379
 380 enum side_type_gather_access_mode {
 381         SIDE_TYPE_GATHER_ACCESS_ADDRESS,
 382         SIDE_TYPE_GATHER_ACCESS_POINTER,
 383 };
 384
 385 struct side_type_gather {
 386         union {
 387                 struct side_type_gather_byte side_byte;
 388                 struct side_type_gather_integer side_integer;
 389                 struct side_type_gather_float side_float;
 390                 struct side_type_gather_array side_array;
 391                 struct side_type_gather_vla side_vla;
 392                 struct side_type_gather_struct side_struct;
 393         } SIDE_PACKED u;
 394 } SIDE_PACKED;
 395
 396 /* Statically defined types. */
 397 struct side_type {
 398         uint32_t type;  /* enum side_type_label */
 399         union {
 400                 /* Basic types */
 401                 struct side_type_null side_null;
 402                 struct side_type_bool side_bool;
 403                 struct side_type_byte side_byte;
 404                 struct side_type_string side_string;
 405                 struct side_type_integer side_integer;
 406                 struct side_type_float side_float;
 407
 408                 /* Compound types */
 409                 struct side_type_array side_array;
 410                 struct side_type_vla side_vla;
 411                 struct side_type_vla_visitor side_vla_visitor;
 412                 const struct side_type_struct *side_struct;
 413
 414                 /* Enumeration types */
 415                 struct side_type_enum side_enum;
 416                 struct side_type_enum_bitmap side_enum_bitmap;
 417
 418                 /* Gather types */
 419                 struct side_type_gather side_gather;
 420         } SIDE_PACKED u;
 421 } SIDE_PACKED;
 422
 423 struct side_event_field {
 424         const char *field_name;
 425         struct side_type side_type;
 426 } SIDE_PACKED;
 427
 428 enum side_event_flags {
 429         SIDE_EVENT_FLAG_VARIADIC = (1 << 0),
 430 };
 431
 432 struct side_callback {
 433         union {
 434                 void (*call)(const struct side_event_description *desc,
 435                         const struct side_arg_vec *side_arg_vec,
 436                         void *priv);
 437                 void (*call_variadic)(const struct side_event_description *desc,
 438                         const struct side_arg_vec *side_arg_vec,
 439                         const struct side_arg_dynamic_struct *var_struct,
 440                         void *priv);
 441         } SIDE_PACKED u;
 442         void *priv;
 443 } SIDE_PACKED;
 444
 445 struct side_arg_static {
 446         /* Basic types */
 447         uint8_t bool_value;
 448         uint8_t byte_value;
 449         uint64_t string_value;  /* const char * */
 450         union side_integer_value integer_value;
 451         union side_float_value float_value;
 452
 453         /* Compound types */
 454         const struct side_arg_vec *side_struct;
 455         const struct side_arg_vec *side_array;
 456         const struct side_arg_vec *side_vla;
 457         void *side_vla_app_visitor_ctx;
 458         void *side_array_fixint;
 459         struct {
 460                 void *p;
 461                 uint32_t length;
 462         } SIDE_PACKED side_vla_fixint;
 463
 464         /* Gather types */
 465         void *side_byte_gather_ptr;
 466         void *side_integer_gather_ptr;
 467         void *side_float_gather_ptr;
 468         void *side_array_gather_ptr;
 469         void *side_struct_gather_ptr;
 470         struct {
 471                 void *ptr;
 472                 void *length_ptr;
 473         } SIDE_PACKED side_vla_gather;
 474 } SIDE_PACKED;
 475
 476 struct side_arg_dynamic_vla {
 477         const struct side_arg *sav;
 478         const struct side_attr *attr;
 479         uint32_t len;
 480         uint32_t nr_attr;
 481 } SIDE_PACKED;
 482
 483 struct side_arg_dynamic_struct {
 484         const struct side_arg_dynamic_field *fields;
 485         const struct side_attr *attr;
 486         uint32_t len;
 487         uint32_t nr_attr;
 488 } SIDE_PACKED;
 489
 490 struct side_dynamic_struct_visitor {
 491         void *app_ctx;
 492         side_dynamic_struct_visitor_func visitor;
 493         const struct side_attr *attr;
 494         uint32_t nr_attr;
 495 } SIDE_PACKED;
 496
 497 struct side_dynamic_vla_visitor {
 498         void *app_ctx;
 499         side_visitor_func visitor;
 500         const struct side_attr *attr;
 501         uint32_t nr_attr;
 502 } SIDE_PACKED;
 503
 504 struct side_arg_dynamic {
 505         /* Basic types */
 506         struct side_type_null side_null;
 507         struct {
 508                 struct side_type_bool type;
 509                 uint8_t value;
 510         } SIDE_PACKED side_bool;
 511
 512         struct {
 513                 struct side_type_byte type;
 514                 uint8_t value;
 515         } SIDE_PACKED side_byte;
 516
 517         struct {
 518                 struct side_type_string type;
 519                 uint64_t value; /* const char * */
 520         } SIDE_PACKED side_string;
 521
 522         /* Integer type */
 523         struct {
 524                 struct side_type_integer type;
 525                 union side_integer_value value;
 526         } SIDE_PACKED side_integer;
 527
 528         struct {
 529                 struct side_type_float type;
 530                 union side_float_value value;
 531         } SIDE_PACKED side_float;
 532
 533         /* Compound types */
 534         const struct side_arg_dynamic_struct *side_dynamic_struct;
 535         const struct side_arg_dynamic_vla *side_dynamic_vla;
 536
 537         struct side_dynamic_struct_visitor side_dynamic_struct_visitor;
 538         struct side_dynamic_vla_visitor side_dynamic_vla_visitor;
 539 } SIDE_PACKED;
 540
 541 struct side_arg {
 542         enum side_type_label type;
 543         union {
 544                 struct side_arg_static side_static;
 545                 struct side_arg_dynamic side_dynamic;
 546         } SIDE_PACKED u;
 547 } SIDE_PACKED;
 548
 549 struct side_arg_vec {
 550         const struct side_arg *sav;
 551         uint32_t len;
 552 } SIDE_PACKED;
 553
 554 struct side_arg_dynamic_field {
 555         const char *field_name;
 556         const struct side_arg elem;
 557 } SIDE_PACKED;
 558
 559 /* The visitor pattern is a double-dispatch visitor. */
 560 struct side_tracer_visitor_ctx {
 561         enum side_visitor_status (*write_elem)(
 562                         const struct side_tracer_visitor_ctx *tracer_ctx,
 563                         const struct side_arg *elem);
 564         void *priv;             /* Private tracer context. */
 565 } SIDE_PACKED;
 566
 567 struct side_tracer_dynamic_struct_visitor_ctx {
 568         enum side_visitor_status (*write_field)(
 569                         const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
 570                         const struct side_arg_dynamic_field *dynamic_field);
 571         void *priv;             /* Private tracer context. */
 572 } SIDE_PACKED;
 573
 574 struct side_event_description {
 575         uintptr_t *enabled;
 576         const char *provider_name;
 577         const char *event_name;
 578         const struct side_event_field *fields;
 579         const struct side_attr *attr;
 580         const struct side_callback *callbacks;
 581         uint64_t flags;
 582         uint32_t version;
 583         uint32_t loglevel;      /* enum side_loglevel */
 584         uint32_t nr_fields;
 585         uint32_t nr_attr;
 586         uint32_t nr_callbacks;
 587 } SIDE_PACKED;
 588
 589 /* Event and type attributes */
 590
 591 #if SIDE_BITS_PER_LONG == 64
 592 # define SIDE_TYPE_POINTER_HOST         SIDE_TYPE_POINTER64
 593 # define SIDE_TYPE_ARRAY_POINTER_HOST   SIDE_TYPE_ARRAY_POINTER64
 594 # define SIDE_TYPE_VLA_POINTER_HOST     SIDE_TYPE_VLA_POINTER64
 595 # define SIDE_TYPE_DYNAMIC_POINTER_HOST SIDE_TYPE_DYNAMIC_POINTER64
 596 # define SIDE_ATTR_TYPE_POINTER_HOST    SIDE_ATTR_TYPE_POINTER64
 597 # define SIDE_PTR_HOST                  .side_u64
 598 #else
 599 # define SIDE_TYPE_POINTER_HOST         SIDE_TYPE_POINTER32
 600 # define SIDE_TYPE_ARRAY_POINTER_HOST   SIDE_TYPE_ARRAY_POINTER32
 601 # define SIDE_TYPE_VLA_POINTER_HOST     SIDE_TYPE_VLA_POINTER32
 602 # define SIDE_TYPE_DYNAMIC_POINTER_HOST SIDE_TYPE_DYNAMIC_POINTER32
 603 # define SIDE_ATTR_TYPE_POINTER_HOST    SIDE_ATTR_TYPE_POINTER32
 604 # define SIDE_PTR_HOST                  .side_u32
 605 #endif
 606
 607 #define side_attr(_key, _value) \
 608         { \
 609                 .key = _key, \
 610                 .value = SIDE_PARAM(_value), \
 611         }
 612
 613 #define side_attr_list(...) \
 614         SIDE_COMPOUND_LITERAL(const struct side_attr, __VA_ARGS__)
 615
 616 #define side_attr_null(_val)            { .type = SIDE_ATTR_TYPE_NULL }
 617 #define side_attr_bool(_val)            { .type = SIDE_ATTR_TYPE_BOOL, .u = { .bool_value = !!(_val) } }
 618 #define side_attr_u8(_val)              { .type = SIDE_ATTR_TYPE_U8, .u = { .integer_value = { .side_u8 = (_val) } } }
 619 #define side_attr_u16(_val)             { .type = SIDE_ATTR_TYPE_U16, .u = { .integer_value = { .side_u16 = (_val) } } }
 620 #define side_attr_u32(_val)             { .type = SIDE_ATTR_TYPE_U32, .u = { .integer_value = { .side_u32 = (_val) } } }
 621 #define side_attr_u64(_val)             { .type = SIDE_ATTR_TYPE_U64, .u = { .integer_value = { .side_u64 = (_val) } } }
 622 #define side_attr_s8(_val)              { .type = SIDE_ATTR_TYPE_S8, .u = { .integer_value = { .side_s8 = (_val) } } }
 623 #define side_attr_s16(_val)             { .type = SIDE_ATTR_TYPE_S16, .u = { .integer_value = { .side_s16 = (_val) } } }
 624 #define side_attr_s32(_val)             { .type = SIDE_ATTR_TYPE_S32, .u = { .integer_value = { .side_s32 = (_val) } } }
 625 #define side_attr_s64(_val)             { .type = SIDE_ATTR_TYPE_S64, .u = { .integer_value = { .side_s64 = (_val) } } }
 626 #define side_attr_pointer(_val)         { .type = SIDE_ATTR_TYPE_POINTER_HOST, .u = { .integer_value = { SIDE_PTR_HOST = (uintptr_t) (_val) } } }
 627 #define side_attr_float_binary16(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY16, .u = { .float_value = { .side_float_binary16 = (_val) } } }
 628 #define side_attr_float_binary32(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY32, .u = { .float_value = { .side_float_binary32 = (_val) } } }
 629 #define side_attr_float_binary64(_val)  { .type = SIDE_ATTR_TYPE_FLOAT_BINARY64, .u = { .float_value = { .side_float_binary64 = (_val) } } }
 630 #define side_attr_float_binary128(_val) { .type = SIDE_ATTR_TYPE_FLOAT_BINARY128, .u = { .float_value = { .side_float_binary128 = (_val) } } }
 631 #define side_attr_string(_val)          { .type = SIDE_ATTR_TYPE_STRING, .u = { .string_value = (uintptr_t) (_val) } }
 632
 633 /* Static field definition */
 634
 635 #define side_type_null(_attr) \
 636         { \
 637                 .type = SIDE_TYPE_NULL, \
 638                 .u = { \
 639                         .side_null = { \
 640                                 .attr = _attr, \
 641                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 642                         }, \
 643                 }, \
 644         }
 645
 646 #define side_type_bool(_attr) \
 647         { \
 648                 .type = SIDE_TYPE_BOOL, \
 649                 .u = { \
 650                         .side_bool = { \
 651                                 .attr = _attr, \
 652                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 653                         }, \
 654                 }, \
 655         }
 656
 657 #define side_type_byte(_attr) \
 658         { \
 659                 .type = SIDE_TYPE_BYTE, \
 660                 .u = { \
 661                         .side_byte = { \
 662                                 .attr = _attr, \
 663                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 664                         }, \
 665                 }, \
 666         }
 667
 668 #define side_type_string(_attr) \
 669         { \
 670                 .type = SIDE_TYPE_STRING, \
 671                 .u = { \
 672                         .side_string = { \
 673                                 .attr = _attr, \
 674                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 675                         }, \
 676                 }, \
 677         }
 678
 679 #define side_type_dynamic() \
 680         { \
 681                 .type = SIDE_TYPE_DYNAMIC, \
 682         }
 683
 684 #define _side_type_integer(_type, _signedness, _byte_order, _integer_size_bits, _len_bits, _attr) \
 685         { \
 686                 .type = _type, \
 687                 .u = { \
 688                         .side_integer = { \
 689                                 .attr = _attr, \
 690                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 691                                 .integer_size_bits = _integer_size_bits, \
 692                                 .len_bits = _len_bits, \
 693                                 .signedness = _signedness, \
 694                                 .byte_order = _byte_order, \
 695                         }, \
 696                 }, \
 697         }
 698
 699 #define _side_type_float(_type, _byte_order, _float_size_bits, _attr) \
 700         { \
 701                 .type = _type, \
 702                 .u = { \
 703                         .side_float = { \
 704                                 .attr = _attr, \
 705                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 706                                 .float_size_bits = _float_size_bits, \
 707                                 .byte_order = _byte_order, \
 708                         }, \
 709                 }, \
 710         }
 711
 712 #define _side_field(_name, _type) \
 713         { \
 714                 .field_name = _name, \
 715                 .side_type = _type, \
 716         }
 717
 718 /* Host endian */
 719 #define side_type_u8(_attr)                             _side_type_integer(SIDE_TYPE_U8, false, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
 720 #define side_type_u16(_attr)                            _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_HOST, 16, 16, SIDE_PARAM(_attr))
 721 #define side_type_u32(_attr)                            _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_HOST, 32, 32, SIDE_PARAM(_attr))
 722 #define side_type_u64(_attr)                            _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_HOST, 64, 64, SIDE_PARAM(_attr))
 723 #define side_type_s8(_attr)                             _side_type_integer(SIDE_TYPE_S8, true, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
 724 #define side_type_s16(_attr)                            _side_type_integer(SIDE_TYPE_S16, true, SIDE_TYPE_BYTE_ORDER_HOST, 16, 16, SIDE_PARAM(_attr))
 725 #define side_type_s32(_attr)                            _side_type_integer(SIDE_TYPE_S32, true, SIDE_TYPE_BYTE_ORDER_HOST, 32, 32, SIDE_PARAM(_attr))
 726 #define side_type_s64(_attr)                            _side_type_integer(SIDE_TYPE_S64, true, SIDE_TYPE_BYTE_ORDER_HOST, 64, 64, SIDE_PARAM(_attr))
 727 #define side_type_pointer(_attr)                        _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_BITS_PER_LONG, \
 728                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 729 #define side_type_float_binary16(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 16, SIDE_PARAM(_attr))
 730 #define side_type_float_binary32(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 32, SIDE_PARAM(_attr))
 731 #define side_type_float_binary64(_attr)                 _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 64, SIDE_PARAM(_attr))
 732 #define side_type_float_binary128(_attr)                _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, 128, SIDE_PARAM(_attr))
 733
 734 #define side_field_null(_name, _attr)                   _side_field(_name, side_type_null(SIDE_PARAM(_attr)))
 735 #define side_field_bool(_name, _attr)                   _side_field(_name, side_type_bool(SIDE_PARAM(_attr)))
 736 #define side_field_u8(_name, _attr)                     _side_field(_name, side_type_u8(SIDE_PARAM(_attr)))
 737 #define side_field_u16(_name, _attr)                    _side_field(_name, side_type_u16(SIDE_PARAM(_attr)))
 738 #define side_field_u32(_name, _attr)                    _side_field(_name, side_type_u32(SIDE_PARAM(_attr)))
 739 #define side_field_u64(_name, _attr)                    _side_field(_name, side_type_u64(SIDE_PARAM(_attr)))
 740 #define side_field_s8(_name, _attr)                     _side_field(_name, side_type_s8(SIDE_PARAM(_attr)))
 741 #define side_field_s16(_name, _attr)                    _side_field(_name, side_type_s16(SIDE_PARAM(_attr)))
 742 #define side_field_s32(_name, _attr)                    _side_field(_name, side_type_s32(SIDE_PARAM(_attr)))
 743 #define side_field_s64(_name, _attr)                    _side_field(_name, side_type_s64(SIDE_PARAM(_attr)))
 744 #define side_field_byte(_name, _attr)                   _side_field(_name, side_type_byte(SIDE_PARAM(_attr)))
 745 #define side_field_pointer(_name, _attr)                _side_field(_name, side_type_pointer(SIDE_PARAM(_attr)))
 746 #define side_field_float_binary16(_name, _attr)         _side_field(_name, side_type_float_binary16(SIDE_PARAM(_attr)))
 747 #define side_field_float_binary32(_name, _attr)         _side_field(_name, side_type_float_binary32(SIDE_PARAM(_attr)))
 748 #define side_field_float_binary64(_name, _attr)         _side_field(_name, side_type_float_binary64(SIDE_PARAM(_attr)))
 749 #define side_field_float_binary128(_name, _attr)        _side_field(_name, side_type_float_binary128(SIDE_PARAM(_attr)))
 750 #define side_field_string(_name, _attr)                 _side_field(_name, side_type_string(SIDE_PARAM(_attr)))
 751 #define side_field_dynamic(_name)                       _side_field(_name, side_type_dynamic())
 752
 753 /* Little endian */
 754 #define side_type_u16_le(_attr)                         _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_LE, 16, 16, SIDE_PARAM(_attr))
 755 #define side_type_u32_le(_attr)                         _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_LE, 32, 32, SIDE_PARAM(_attr))
 756 #define side_type_u64_le(_attr)                         _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_LE, 64, 64, SIDE_PARAM(_attr))
 757 #define side_type_s16_le(_attr)                         _side_type_integer(SIDE_TYPE_S16, true, SIDE_TYPE_BYTE_ORDER_LE, 16, 16, SIDE_PARAM(_attr))
 758 #define side_type_s32_le(_attr)                         _side_type_integer(SIDE_TYPE_S32, true, SIDE_TYPE_BYTE_ORDER_LE, 32, 32, SIDE_PARAM(_attr))
 759 #define side_type_s64_le(_attr)                         _side_type_integer(SIDE_TYPE_S64, true, SIDE_TYPE_BYTE_ORDER_LE, 64, 64, SIDE_PARAM(_attr))
 760 #define side_type_pointer_le(_attr)                     _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_LE, SIDE_BITS_PER_LONG, \
 761                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 762 #define side_type_float_binary16_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_LE, 16, SIDE_PARAM(_attr))
 763 #define side_type_float_binary32_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_LE, 32, SIDE_PARAM(_attr))
 764 #define side_type_float_binary64_le(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_LE, 64, SIDE_PARAM(_attr))
 765 #define side_type_float_binary128_le(_attr)             _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_LE, 128, SIDE_PARAM(_attr))
 766
 767 #define side_field_u16_le(_name, _attr)                 _side_field(_name, side_type_u16_le(SIDE_PARAM(_attr)))
 768 #define side_field_u32_le(_name, _attr)                 _side_field(_name, side_type_u32_le(SIDE_PARAM(_attr)))
 769 #define side_field_u64_le(_name, _attr)                 _side_field(_name, side_type_u64_le(SIDE_PARAM(_attr)))
 770 #define side_field_s16_le(_name, _attr)                 _side_field(_name, side_type_s16_le(SIDE_PARAM(_attr)))
 771 #define side_field_s32_le(_name, _attr)                 _side_field(_name, side_type_s32_le(SIDE_PARAM(_attr)))
 772 #define side_field_s64_le(_name, _attr)                 _side_field(_name, side_type_s64_le(SIDE_PARAM(_attr)))
 773 #define side_field_pointer_le(_name, _attr)             _side_field(_name, side_type_pointer_le(SIDE_PARAM(_attr)))
 774 #define side_field_float_binary16_le(_name, _attr)      _side_field(_name, side_type_float_binary16_le(SIDE_PARAM(_attr)))
 775 #define side_field_float_binary32_le(_name, _attr)      _side_field(_name, side_type_float_binary32_le(SIDE_PARAM(_attr)))
 776 #define side_field_float_binary64_le(_name, _attr)      _side_field(_name, side_type_float_binary64_le(SIDE_PARAM(_attr)))
 777 #define side_field_float_binary128_le(_name, _attr)     _side_field(_name, side_type_float_binary128_le(SIDE_PARAM(_attr)))
 778
 779 /* Big endian */
 780 #define side_type_u16_be(_attr)                         _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_BE, 16, 16, SIDE_PARAM(_attr))
 781 #define side_type_u32_be(_attr)                         _side_type_integer(SIDE_TYPE_U32, false, SIDE_TYPE_BYTE_ORDER_BE, 32, 32, SIDE_PARAM(_attr))
 782 #define side_type_u64_be(_attr)                         _side_type_integer(SIDE_TYPE_U64, false, SIDE_TYPE_BYTE_ORDER_BE, 64, 64, SIDE_PARAM(_attr))
 783 #define side_type_s16_be(_attr)                         _side_type_integer(SIDE_TYPE_S16, false, SIDE_TYPE_BYTE_ORDER_BE, 16, 16, SIDE_PARAM(_attr))
 784 #define side_type_s32_be(_attr)                         _side_type_integer(SIDE_TYPE_S32, false, SIDE_TYPE_BYTE_ORDER_BE, 32, 32, SIDE_PARAM(_attr))
 785 #define side_type_s64_be(_attr)                         _side_type_integer(SIDE_TYPE_S64, false, SIDE_TYPE_BYTE_ORDER_BE, 64, 64, SIDE_PARAM(_attr))
 786 #define side_type_pointer_be(_attr)                     _side_type_integer(SIDE_TYPE_POINTER_HOST, false, SIDE_TYPE_BYTE_ORDER_BE, SIDE_BITS_PER_LONG, \
 787                                                                         SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
 788 #define side_type_float_binary16_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY16, SIDE_TYPE_BYTE_ORDER_BE, 16, SIDE_PARAM(_attr))
 789 #define side_type_float_binary32_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY32, SIDE_TYPE_BYTE_ORDER_BE, 32, SIDE_PARAM(_attr))
 790 #define side_type_float_binary64_be(_attr)              _side_type_float(SIDE_TYPE_FLOAT_BINARY64, SIDE_TYPE_BYTE_ORDER_BE, 64, SIDE_PARAM(_attr))
 791 #define side_type_float_binary128_be(_attr)             _side_type_float(SIDE_TYPE_FLOAT_BINARY128, SIDE_TYPE_BYTE_ORDER_BE, 128, SIDE_PARAM(_attr))
 792
 793 #define side_field_u16_be(_name, _attr)                 _side_field(_name, side_type_u16_be(SIDE_PARAM(_attr)))
 794 #define side_field_u32_be(_name, _attr)                 _side_field(_name, side_type_u32_be(SIDE_PARAM(_attr)))
 795 #define side_field_u64_be(_name, _attr)                 _side_field(_name, side_type_u64_be(SIDE_PARAM(_attr)))
 796 #define side_field_s16_be(_name, _attr)                 _side_field(_name, side_type_s16_be(SIDE_PARAM(_attr)))
 797 #define side_field_s32_be(_name, _attr)                 _side_field(_name, side_type_s32_be(SIDE_PARAM(_attr)))
 798 #define side_field_s64_be(_name, _attr)                 _side_field(_name, side_type_s64_be(SIDE_PARAM(_attr)))
 799 #define side_field_pointer_be(_name, _attr)             _side_field(_name, side_type_pointer_be(SIDE_PARAM(_attr)))
 800 #define side_field_float_binary16_be(_name, _attr)      _side_field(_name, side_type_float_binary16_be(SIDE_PARAM(_attr)))
 801 #define side_field_float_binary32_be(_name, _attr)      _side_field(_name, side_type_float_binary32_be(SIDE_PARAM(_attr)))
 802 #define side_field_float_binary64_be(_name, _attr)      _side_field(_name, side_type_float_binary64_be(SIDE_PARAM(_attr)))
 803 #define side_field_float_binary128_be(_name, _attr)     _side_field(_name, side_type_float_binary128_be(SIDE_PARAM(_attr)))
 804
 805 #define side_type_enum(_mappings, _elem_type) \
 806         { \
 807                 .type = SIDE_TYPE_ENUM, \
 808                 .u = { \
 809                         .side_enum = { \
 810                                 .mappings = _mappings, \
 811                                 .elem_type = _elem_type, \
 812                         }, \
 813                 }, \
 814         }
 815 #define side_field_enum(_name, _mappings, _elem_type) \
 816         _side_field(_name, side_type_enum(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
 817
 818 #define side_type_enum_bitmap(_mappings, _elem_type) \
 819         { \
 820                 .type = SIDE_TYPE_ENUM_BITMAP, \
 821                 .u = { \
 822                         .side_enum_bitmap = { \
 823                                 .mappings = _mappings, \
 824                                 .elem_type = _elem_type, \
 825                         }, \
 826                 }, \
 827         }
 828 #define side_field_enum_bitmap(_name, _mappings, _elem_type) \
 829         _side_field(_name, side_type_enum_bitmap(SIDE_PARAM(_mappings), SIDE_PARAM(_elem_type)))
 830
 831 #define side_type_struct(_struct) \
 832         { \
 833                 .type = SIDE_TYPE_STRUCT, \
 834                 .u = { \
 835                         .side_struct = _struct, \
 836                 }, \
 837         }
 838 #define side_field_struct(_name, _struct) \
 839         _side_field(_name, side_type_struct(SIDE_PARAM(_struct)))
 840
 841 #define _side_type_struct_define(_fields, _attr) \
 842         { \
 843                 .fields = _fields, \
 844                 .attr = _attr, \
 845                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
 846                 .nr_attr  = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 847         }
 848
 849 #define side_define_struct(_identifier, _fields, _attr) \
 850         const struct side_type_struct _identifier = _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr))
 851
 852 #define side_struct_literal(_fields, _attr) \
 853         SIDE_COMPOUND_LITERAL(const struct side_type_struct, \
 854                 _side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr)))
 855
 856 #define side_type_array(_elem_type, _length, _attr) \
 857         { \
 858                 .type = SIDE_TYPE_ARRAY, \
 859                 .u = { \
 860                         .side_array = { \
 861                                 .elem_type = _elem_type, \
 862                                 .attr = _attr, \
 863                                 .length = _length, \
 864                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 865                         }, \
 866                 }, \
 867         }
 868 #define side_field_array(_name, _elem_type, _length, _attr) \
 869         _side_field(_name, side_type_array(SIDE_PARAM(_elem_type), _length, SIDE_PARAM(_attr)))
 870
 871 #define side_type_vla(_elem_type, _attr) \
 872         { \
 873                 .type = SIDE_TYPE_VLA, \
 874                 .u = { \
 875                         .side_vla = { \
 876                                 .elem_type = _elem_type, \
 877                                 .attr = _attr, \
 878                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 879                         }, \
 880                 }, \
 881         }
 882 #define side_field_vla(_name, _elem_type, _attr) \
 883         _side_field(_name, side_type_vla(SIDE_PARAM(_elem_type), SIDE_PARAM(_attr)))
 884
 885 #define side_type_vla_visitor(_elem_type, _visitor, _attr) \
 886         { \
 887                 .type = SIDE_TYPE_VLA_VISITOR, \
 888                 .u = { \
 889                         .side_vla_visitor = { \
 890                                 .elem_type = SIDE_PARAM(_elem_type), \
 891                                 .visitor = _visitor, \
 892                                 .attr = _attr, \
 893                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 894                         }, \
 895                 }, \
 896         }
 897 #define side_field_vla_visitor(_name, _elem_type, _visitor, _attr) \
 898         _side_field(_name, side_type_vla_visitor(SIDE_PARAM(_elem_type), _visitor, SIDE_PARAM(_attr)))
 899
 900 /* Gather fields */
 901
 902 #define side_type_gather_byte(_offset, _access_mode, _attr) \
 903         { \
 904                 .type = SIDE_TYPE_GATHER_BYTE, \
 905                 .u = { \
 906                         .side_gather = { \
 907                                 .u = { \
 908                                         .side_byte = { \
 909                                                 .offset = _offset, \
 910                                                 .access_mode = _access_mode, \
 911                                                 .type = { \
 912                                                         .attr = _attr, \
 913                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 914                                                 }, \
 915                                         }, \
 916                                 }, \
 917                         }, \
 918                 }, \
 919         }
 920 #define side_field_gather_byte(_name, _offset, _access_mode, _attr) \
 921         _side_field(_name, side_type_gather_byte(_offset, _access_mode, SIDE_PARAM(_attr)))
 922
 923 #define _side_type_gather_integer(_type, _signedness, _byte_order, _offset, \
 924                 _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 925         { \
 926                 .type = _type, \
 927                 .u = { \
 928                         .side_gather = { \
 929                                 .u = { \
 930                                         .side_integer = { \
 931                                                 .offset = _offset, \
 932                                                 .access_mode = _access_mode, \
 933                                                 .type = { \
 934                                                         .attr = _attr, \
 935                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 936                                                         .integer_size_bits = _integer_size_bits, \
 937                                                         .len_bits = _len_bits, \
 938                                                         .signedness = _signedness, \
 939                                                         .byte_order = _byte_order, \
 940                                                 }, \
 941                                                 .offset_bits = _offset_bits, \
 942                                         }, \
 943                                 }, \
 944                         }, \
 945                 }, \
 946         }
 947
 948 #define side_type_gather_unsigned_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 949         _side_type_gather_integer(SIDE_TYPE_GATHER_UNSIGNED_INT, false,  SIDE_TYPE_BYTE_ORDER_HOST, \
 950                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 951 #define side_type_gather_signed_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 952         _side_type_gather_integer(SIDE_TYPE_GATHER_SIGNED_INT, true, SIDE_TYPE_BYTE_ORDER_HOST, \
 953                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 954
 955 #define side_type_gather_unsigned_integer_le(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 956         _side_type_gather_integer(SIDE_TYPE_GATHER_UNSIGNED_INT, false,  SIDE_TYPE_BYTE_ORDER_LE, \
 957                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 958 #define side_type_gather_signed_integer_le(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 959         _side_type_gather_integer(SIDE_TYPE_GATHER_SIGNED_INT, true, SIDE_TYPE_BYTE_ORDER_LE, \
 960                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 961
 962 #define side_type_gather_unsigned_integer_be(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 963         _side_type_gather_integer(SIDE_TYPE_GATHER_UNSIGNED_INT, false,  SIDE_TYPE_BYTE_ORDER_BE, \
 964                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 965 #define side_type_gather_signed_integer_be(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 966         _side_type_gather_integer(SIDE_TYPE_GATHER_SIGNED_INT, true, SIDE_TYPE_BYTE_ORDER_BE, \
 967                         _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr))
 968
 969 #define side_field_gather_unsigned_integer(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 970         _side_field(_name, side_type_gather_unsigned_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 971 #define side_field_gather_signed_integer(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 972         _side_field(_name, side_type_gather_signed_integer(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 973
 974 #define side_field_gather_unsigned_integer_le(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 975         _side_field(_name, side_type_gather_unsigned_integer_le(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 976 #define side_field_gather_signed_integer_le(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 977         _side_field(_name, side_type_gather_signed_integer_le(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 978
 979 #define side_field_gather_unsigned_integer_be(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 980         _side_field(_name, side_type_gather_unsigned_integer_be(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 981 #define side_field_gather_signed_integer_be(_name, _integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, _attr) \
 982         _side_field(_name, side_type_gather_signed_integer_be(_integer_offset, _integer_size_bits, _offset_bits, _len_bits, _access_mode, SIDE_PARAM(_attr)))
 983
 984 #define _side_type_gather_float(_byte_order, _offset, _float_size_bits, _access_mode, _attr) \
 985         { \
 986                 .type = SIDE_TYPE_GATHER_FLOAT, \
 987                 .u = { \
 988                         .side_gather = { \
 989                                 .u = { \
 990                                         .side_float = { \
 991                                                 .offset = _offset, \
 992                                                 .access_mode = _access_mode, \
 993                                                 .type = { \
 994                                                         .attr = _attr, \
 995                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
 996                                                         .float_size_bits = _float_size_bits, \
 997                                                         .byte_order = _byte_order, \
 998                                                 }, \
 999                                         }, \
1000                                 }, \
1001                         }, \
1002                 }, \
1003         }
1004
1005 #define side_type_gather_float(_offset, _float_size_bits, _access_mode, _attr) \
1006         _side_type_gather_float(SIDE_TYPE_FLOAT_WORD_ORDER_HOST, _offset, _float_size_bits, _access_mode, _attr)
1007 #define side_type_gather_float_le(_offset, _float_size_bits, _access_mode, _attr) \
1008         _side_type_gather_float(SIDE_TYPE_BYTE_ORDER_LE, _offset, _float_size_bits, _access_mode, _attr)
1009 #define side_type_gather_float_be(_offset, _float_size_bits, _access_mode, _attr) \
1010         _side_type_gather_float(SIDE_TYPE_BYTE_ORDER_BE, _offset, _float_size_bits, _access_mode, _attr)
1011
1012 #define side_field_gather_float(_name, _offset, _float_size_bits, _access_mode, _attr) \
1013         _side_field(_name, side_type_gather_float(_offset, _float_size_bits, _access_mode, _attr))
1014 #define side_field_gather_float_le(_name, _offset, _float_size_bits, _access_mode, _attr) \
1015         _side_field(_name, side_type_gather_float_le(_offset, _float_size_bits, _access_mode, _attr))
1016 #define side_field_gather_float_be(_name, _offset, _float_size_bits, _access_mode, _attr) \
1017         _side_field(_name, side_type_gather_float_be(_offset, _float_size_bits, _access_mode, _attr))
1018
1019 #define side_type_gather_struct(_struct_gather, _offset, _size, _access_mode) \
1020         { \
1021                 .type = SIDE_TYPE_GATHER_STRUCT, \
1022                 .u = { \
1023                         .side_gather = { \
1024                                 .u = { \
1025                                         .side_struct = { \
1026                                                 .offset = _offset, \
1027                                                 .access_mode = _access_mode, \
1028                                                 .type = _struct_gather, \
1029                                                 .size = _size, \
1030                                         }, \
1031                                 }, \
1032                         }, \
1033                 }, \
1034         }
1035 #define side_field_gather_struct(_name, _struct_gather, _offset, _size, _access_mode) \
1036         _side_field(_name, side_type_gather_struct(SIDE_PARAM(_struct_gather), _offset, _size, _access_mode))
1037
1038 #define side_type_gather_array(_elem_type_gather, _length, _offset, _access_mode, _attr) \
1039         { \
1040                 .type = SIDE_TYPE_GATHER_ARRAY, \
1041                 .u = { \
1042                         .side_gather = { \
1043                                 .u = { \
1044                                         .side_array = { \
1045                                                 .offset = _offset, \
1046                                                 .access_mode = _access_mode, \
1047                                                 .type = { \
1048                                                         .elem_type = _elem_type_gather, \
1049                                                         .attr = _attr, \
1050                                                         .length = _length, \
1051                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1052                                                 }, \
1053                                         }, \
1054                                 }, \
1055                         }, \
1056                 }, \
1057         }
1058 #define side_field_gather_array(_name, _elem_type, _length, _offset, _access_mode, _attr) \
1059         _side_field(_name, side_type_gather_array(SIDE_PARAM(_elem_type), _length, _offset, _access_mode, SIDE_PARAM(_attr)))
1060
1061 #define side_type_gather_vla(_elem_type_gather, _offset, _access_mode, _length_type_gather, _attr) \
1062         { \
1063                 .type = SIDE_TYPE_GATHER_VLA, \
1064                 .u = { \
1065                         .side_gather = { \
1066                                 .u = { \
1067                                         .side_vla = { \
1068                                                 .offset = _offset, \
1069                                                 .access_mode = _access_mode, \
1070                                                 .type = { \
1071                                                         .elem_type = _elem_type_gather, \
1072                                                         .attr = _attr, \
1073                                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1074                                                 }, \
1075                                                 .length_type = _length_type_gather, \
1076                                         }, \
1077                                 }, \
1078                         }, \
1079                 }, \
1080         }
1081 #define side_field_gather_vla(_name, _elem_type_gather, _offset, _access_mode, _length_type_gather, _attr) \
1082         _side_field(_name, side_type_gather_vla(SIDE_PARAM(_elem_type_gather), _offset, _access_mode, SIDE_PARAM(_length_type_gather), SIDE_PARAM(_attr)))
1083
1084 #define side_elem(...) \
1085         SIDE_COMPOUND_LITERAL(const struct side_type, __VA_ARGS__)
1086
1087 #define side_length(...) \
1088         SIDE_COMPOUND_LITERAL(const struct side_type, __VA_ARGS__)
1089
1090 #define side_field_list(...) \
1091         SIDE_COMPOUND_LITERAL(const struct side_event_field, __VA_ARGS__)
1092
1093 /* Static field arguments */
1094
1095 #define side_arg_null(_val)             { .type = SIDE_TYPE_NULL }
1096 #define side_arg_bool(_val)             { .type = SIDE_TYPE_BOOL, .u = { .side_static = { .bool_value = !!(_val) } } }
1097 #define side_arg_byte(_val)             { .type = SIDE_TYPE_BYTE, .u = { .side_static = { .byte_value = (_val) } } }
1098 #define side_arg_string(_val)           { .type = SIDE_TYPE_STRING, .u = { .side_static = { .string_value = (uintptr_t) (_val) } } }
1099
1100 #define side_arg_u8(_val)               { .type = SIDE_TYPE_U8, .u = { .side_static = {  .integer_value = { .side_u8 = (_val) } } } }
1101 #define side_arg_u16(_val)              { .type = SIDE_TYPE_U16, .u = { .side_static = { .integer_value = { .side_u16 = (_val) } } } }
1102 #define side_arg_u32(_val)              { .type = SIDE_TYPE_U32, .u = { .side_static = { .integer_value = { .side_u32 = (_val) } } } }
1103 #define side_arg_u64(_val)              { .type = SIDE_TYPE_U64, .u = { .side_static = { .integer_value = { .side_u64 = (_val) } } } }
1104 #define side_arg_s8(_val)               { .type = SIDE_TYPE_S8, .u = { .side_static = { .integer_value = { .side_s8 = (_val) } } } }
1105 #define side_arg_s16(_val)              { .type = SIDE_TYPE_S16, .u = { .side_static = { .integer_value = { .side_s16 = (_val) } } } }
1106 #define side_arg_s32(_val)              { .type = SIDE_TYPE_S32, .u = { .side_static = { .integer_value = { .side_s32 = (_val) } } } }
1107 #define side_arg_s64(_val)              { .type = SIDE_TYPE_S64, .u = { .side_static = { .integer_value = { .side_s64 = (_val) } } } }
1108 #define side_arg_pointer(_val)          { .type = SIDE_TYPE_POINTER_HOST, .u = { .side_static = { .integer_value = { SIDE_PTR_HOST = (uintptr_t) (_val) } } } }
1109 #define side_arg_enum_bitmap8(_val)     { .type = SIDE_TYPE_ENUM_BITMAP8, .u = { .side_static = { .integer_value = { .side_u8 = (_val) } } } }
1110 #define side_arg_enum_bitmap16(_val)    { .type = SIDE_TYPE_ENUM_BITMAP16, .u = { .side_static = { .integer_value = { .side_u16 = (_val) } } } }
1111 #define side_arg_enum_bitmap32(_val)    { .type = SIDE_TYPE_ENUM_BITMAP32, .u = { .side_static = { .integer_value = { .side_u32 = (_val) } } } }
1112 #define side_arg_enum_bitmap64(_val)    { .type = SIDE_TYPE_ENUM_BITMAP64, .u = { .side_static = { .integer_value = { .side_u64 = (_val) } } } }
1113 #define side_arg_enum_bitmap_array(_side_type)  { .type = SIDE_TYPE_ENUM_BITMAP_ARRAY, .u = { .side_static = { .side_array = (_side_type) } } }
1114 #define side_arg_enum_bitmap_vla(_side_type)    { .type = SIDE_TYPE_ENUM_BITMAP_VLA, .u = { .side_static = { .side_vla = (_side_type) } } }
1115 #define side_arg_float_binary16(_val)   { .type = SIDE_TYPE_FLOAT_BINARY16, .u = { .side_static = { .float_value = { .side_float_binary16 = (_val) } } } }
1116 #define side_arg_float_binary32(_val)   { .type = SIDE_TYPE_FLOAT_BINARY32, .u = { .side_static = { .float_value = { .side_float_binary32 = (_val) } } } }
1117 #define side_arg_float_binary64(_val)   { .type = SIDE_TYPE_FLOAT_BINARY64, .u = { .side_static = { .float_value = { .side_float_binary64 = (_val) } } } }
1118 #define side_arg_float_binary128(_val)  { .type = SIDE_TYPE_FLOAT_BINARY128, .u = { .side_static = { .float_value = { .side_float_binary128 = (_val) } } } }
1119
1120 #define side_arg_struct(_side_type)     { .type = SIDE_TYPE_STRUCT, .u = { .side_static = { .side_struct = (_side_type) } } }
1121 #define side_arg_array(_side_type)      { .type = SIDE_TYPE_ARRAY, .u = { .side_static = { .side_array = (_side_type) } } }
1122 #define side_arg_vla(_side_type)        { .type = SIDE_TYPE_VLA, .u = { .side_static = { .side_vla = (_side_type) } } }
1123 #define side_arg_vla_visitor(_ctx)      { .type = SIDE_TYPE_VLA_VISITOR, .u = { .side_static = { .side_vla_app_visitor_ctx = (_ctx) } } }
1124
1125 #define side_arg_array_u8(_ptr)         { .type = SIDE_TYPE_ARRAY_U8, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1126 #define side_arg_array_u16(_ptr)        { .type = SIDE_TYPE_ARRAY_U16, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1127 #define side_arg_array_u32(_ptr)        { .type = SIDE_TYPE_ARRAY_U32, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1128 #define side_arg_array_u64(_ptr)        { .type = SIDE_TYPE_ARRAY_U64, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1129 #define side_arg_array_s8(_ptr)         { .type = SIDE_TYPE_ARRAY_S8, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1130 #define side_arg_array_s16(_ptr)        { .type = SIDE_TYPE_ARRAY_S16, .u = { .side_static = { .side_array_fixint  = (_ptr) } } }
1131 #define side_arg_array_s32(_ptr)        { .type = SIDE_TYPE_ARRAY_S32, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1132 #define side_arg_array_s64(_ptr)        { .type = SIDE_TYPE_ARRAY_S64, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1133 #define side_arg_array_byte(_ptr)       { .type = SIDE_TYPE_ARRAY_BYTE, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1134 #define side_arg_array_pointer(_ptr)    { .type = SIDE_TYPE_ARRAY_POINTER_HOST, .u = { .side_static = { .side_array_fixint = (_ptr) } } }
1135
1136 #define side_arg_vla_u8(_ptr, _length)  { .type = SIDE_TYPE_VLA_U8, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } }
1137 #define side_arg_vla_u16(_ptr, _length) { .type = SIDE_TYPE_VLA_U16, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1138 #define side_arg_vla_u32(_ptr, _length) { .type = SIDE_TYPE_VLA_U32, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1139 #define side_arg_vla_u64(_ptr, _length) { .type = SIDE_TYPE_VLA_U64, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1140 #define side_arg_vla_s8(_ptr, _length)  { .type = SIDE_TYPE_VLA_S8, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1141 #define side_arg_vla_s16(_ptr, _length) { .type = SIDE_TYPE_VLA_S16, .u = { .side_static = { .side_vla_fixint  = { .p = (_ptr), .length = (_length) } } } }
1142 #define side_arg_vla_s32(_ptr, _length) { .type = SIDE_TYPE_VLA_S32, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1143 #define side_arg_vla_s64(_ptr, _length) { .type = SIDE_TYPE_VLA_S64, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1144 #define side_arg_vla_byte(_ptr, _length) { .type = SIDE_TYPE_VLA_BYTE, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1145 #define side_arg_vla_pointer(_ptr, _length) { .type = SIDE_TYPE_VLA_POINTER_HOST, .u = { .side_static = { .side_vla_fixint = { .p = (_ptr), .length = (_length) } } } }
1146
1147 /* Gather field arguments */
1148 #define side_arg_gather_byte(_ptr)              { .type = SIDE_TYPE_GATHER_BYTE, .u = { .side_static = { .side_byte_gather_ptr = (_ptr) } } }
1149 #define side_arg_gather_unsigned_integer(_ptr)  { .type = SIDE_TYPE_GATHER_UNSIGNED_INT, .u = { .side_static = { .side_integer_gather_ptr = (_ptr) } } }
1150 #define side_arg_gather_signed_integer(_ptr)    { .type = SIDE_TYPE_GATHER_SIGNED_INT, .u = { .side_static = { .side_integer_gather_ptr = (_ptr) } } }
1151 #define side_arg_gather_float(_ptr)             { .type = SIDE_TYPE_GATHER_FLOAT, .u = { .side_static = { .side_float_gather_ptr = (_ptr) } } }
1152 #define side_arg_gather_struct(_ptr)            { .type = SIDE_TYPE_GATHER_STRUCT, .u = { .side_static = { .side_struct_gather_ptr = (_ptr) } } }
1153 #define side_arg_gather_array(_ptr)             { .type = SIDE_TYPE_GATHER_ARRAY, .u = { .side_static = { .side_array_gather_ptr = (_ptr) } } }
1154 #define side_arg_gather_vla(_ptr, _length_ptr)  { .type = SIDE_TYPE_GATHER_VLA, .u = { .side_static = { .side_vla_gather = { .ptr = (_ptr), .length_ptr = (_length_ptr) } } } }
1155
1156 /* Dynamic field arguments */
1157
1158 #define side_arg_dynamic_null(_attr) \
1159         { \
1160                 .type = SIDE_TYPE_DYNAMIC_NULL, \
1161                 .u = { \
1162                         .side_dynamic = { \
1163                                 .side_null = { \
1164                                         .attr = _attr, \
1165                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1166                                 }, \
1167                         }, \
1168                 }, \
1169         }
1170
1171 #define side_arg_dynamic_bool(_val, _attr) \
1172         { \
1173                 .type = SIDE_TYPE_DYNAMIC_BOOL, \
1174                 .u = { \
1175                         .side_dynamic = { \
1176                                 .side_bool = { \
1177                                         .type = { \
1178                                                 .attr = _attr, \
1179                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1180                                         }, \
1181                                         .value = !!(_val), \
1182                                 }, \
1183                         }, \
1184                 }, \
1185         }
1186
1187 #define side_arg_dynamic_byte(_val, _attr) \
1188         { \
1189                 .type = SIDE_TYPE_DYNAMIC_BYTE, \
1190                 .u = { \
1191                         .side_dynamic = { \
1192                                 .side_byte = { \
1193                                         .type = { \
1194                                                 .attr = _attr, \
1195                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1196                                         }, \
1197                                         .value = (_val), \
1198                                 }, \
1199                         }, \
1200                 }, \
1201         }
1202 #define side_arg_dynamic_string(_val, _attr) \
1203         { \
1204                 .type = SIDE_TYPE_DYNAMIC_STRING, \
1205                 .u = { \
1206                         .side_dynamic = { \
1207                                 .side_string = { \
1208                                         .type = { \
1209                                                 .attr = _attr, \
1210                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1211                                         }, \
1212                                         .value = (uintptr_t) (_val), \
1213                                 }, \
1214                         }, \
1215                 }, \
1216         }
1217
1218 #define _side_arg_dynamic_integer(_field, _val, _type, _signedness, _byte_order, _integer_size_bits, _len_bits, _attr) \
1219         { \
1220                 .type = _type, \
1221                 .u = { \
1222                         .side_dynamic = { \
1223                                 .side_integer = { \
1224                                         .type = { \
1225                                                 .attr = _attr, \
1226                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1227                                                 .integer_size_bits = _integer_size_bits, \
1228                                                 .len_bits = _len_bits, \
1229                                                 .signedness = _signedness, \
1230                                                 .byte_order = _byte_order, \
1231                                         }, \
1232                                         .value = { \
1233                                                 _field = (_val), \
1234                                         }, \
1235                                 }, \
1236                         }, \
1237                 }, \
1238         }
1239
1240 #define side_arg_dynamic_u8(_val, _attr) \
1241         _side_arg_dynamic_integer(.side_u8, _val, SIDE_TYPE_DYNAMIC_U8, false, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
1242 #define side_arg_dynamic_s8(_val, _attr) \
1243         _side_arg_dynamic_integer(.side_s8, _val, SIDE_TYPE_DYNAMIC_S8, true, SIDE_TYPE_BYTE_ORDER_HOST, 8, 8, SIDE_PARAM(_attr))
1244
1245 #define _side_arg_dynamic_u16(_val, _byte_order, _attr) \
1246         _side_arg_dynamic_integer(.side_u16, _val, SIDE_TYPE_DYNAMIC_U16, false, _byte_order, 16, 16, SIDE_PARAM(_attr))
1247 #define _side_arg_dynamic_u32(_val, _byte_order, _attr) \
1248         _side_arg_dynamic_integer(.side_u32, _val, SIDE_TYPE_DYNAMIC_U32, false, _byte_order, 32, 32, SIDE_PARAM(_attr))
1249 #define _side_arg_dynamic_u64(_val, _byte_order, _attr) \
1250         _side_arg_dynamic_integer(.side_u64, _val, SIDE_TYPE_DYNAMIC_U64, false, _byte_order, 64, 64, SIDE_PARAM(_attr))
1251
1252 #define _side_arg_dynamic_s16(_val, _byte_order, _attr) \
1253         _side_arg_dynamic_integer(.side_s16, _val, SIDE_TYPE_DYNAMIC_S16, true, _byte_order, 16, 16, SIDE_PARAM(_attr))
1254 #define _side_arg_dynamic_s32(_val, _byte_order, _attr) \
1255         _side_arg_dynamic_integer(.side_s32, _val, SIDE_TYPE_DYNAMIC_S32, true, _byte_order, 32, 32, SIDE_PARAM(_attr))
1256 #define _side_arg_dynamic_s64(_val, _byte_order, _attr) \
1257         _side_arg_dynamic_integer(.side_s64, _val, SIDE_TYPE_DYNAMIC_S64, true, _byte_order, 64, 64, SIDE_PARAM(_attr))
1258
1259 #define _side_arg_dynamic_pointer(_val, _byte_order, _attr) \
1260         _side_arg_dynamic_integer(SIDE_PTR_HOST, (uintptr_t) (_val), SIDE_TYPE_DYNAMIC_POINTER_HOST, false, _byte_order, \
1261                         SIDE_BITS_PER_LONG, SIDE_BITS_PER_LONG, SIDE_PARAM(_attr))
1262
1263 #define _side_arg_dynamic_float(_field, _val, _type, _byte_order, _float_size_bits, _attr) \
1264         { \
1265                 .type = _type, \
1266                 .u = { \
1267                         .side_dynamic = { \
1268                                 .side_float = { \
1269                                         .type = { \
1270                                                 .attr = _attr, \
1271                                                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1272                                                 .float_size_bits = _float_size_bits, \
1273                                                 .byte_order = _byte_order, \
1274                                         }, \
1275                                         .value = { \
1276                                                 _field = (_val), \
1277                                         }, \
1278                                 }, \
1279                         }, \
1280                 }, \
1281         }
1282
1283 #define _side_arg_dynamic_float_binary16(_val, _byte_order, _attr) \
1284         _side_arg_dynamic_float(.side_float_binary16, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY16, _byte_order, 16, SIDE_PARAM(_attr))
1285 #define _side_arg_dynamic_float_binary32(_val, _byte_order, _attr) \
1286         _side_arg_dynamic_float(.side_float_binary32, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY32, _byte_order, 32, SIDE_PARAM(_attr))
1287 #define _side_arg_dynamic_float_binary64(_val, _byte_order, _attr) \
1288         _side_arg_dynamic_float(.side_float_binary64, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY64, _byte_order, 64, SIDE_PARAM(_attr))
1289 #define _side_arg_dynamic_float_binary128(_val, _byte_order, _attr) \
1290         _side_arg_dynamic_float(.side_float_binary128, _val, SIDE_TYPE_DYNAMIC_FLOAT_BINARY128, _byte_order, 128, SIDE_PARAM(_attr))
1291
1292 /* Host endian */
1293 #define side_arg_dynamic_u16(_val, _attr)               _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1294 #define side_arg_dynamic_u32(_val, _attr)               _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1295 #define side_arg_dynamic_u64(_val, _attr)               _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1296 #define side_arg_dynamic_s16(_val, _attr)               _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1297 #define side_arg_dynamic_s32(_val, _attr)               _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1298 #define side_arg_dynamic_s64(_val, _attr)               _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1299 #define side_arg_dynamic_pointer(_val, _attr)           _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_HOST, SIDE_PARAM(_attr))
1300 #define side_arg_dynamic_float_binary16(_val, _attr)    _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1301 #define side_arg_dynamic_float_binary32(_val, _attr)    _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1302 #define side_arg_dynamic_float_binary64(_val, _attr)    _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1303 #define side_arg_dynamic_float_binary128(_val, _attr)   _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_FLOAT_WORD_ORDER_HOST, SIDE_PARAM(_attr))
1304
1305 /* Little endian */
1306 #define side_arg_dynamic_u16_le(_val, _attr)                    _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1307 #define side_arg_dynamic_u32_le(_val, _attr)                    _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1308 #define side_arg_dynamic_u64_le(_val, _attr)                    _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1309 #define side_arg_dynamic_s16_le(_val, _attr)                    _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1310 #define side_arg_dynamic_s32_le(_val, _attr)                    _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1311 #define side_arg_dynamic_s64_le(_val, _attr)                    _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1312 #define side_arg_dynamic_pointer_le(_val, _attr)                _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1313 #define side_arg_dynamic_float_binary16_le(_val, _attr)         _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1314 #define side_arg_dynamic_float_binary32_le(_val, _attr)         _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1315 #define side_arg_dynamic_float_binary64_le(_val, _attr)         _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1316 #define side_arg_dynamic_float_binary128_le(_val, _attr)        _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_LE, SIDE_PARAM(_attr))
1317
1318 /* Big endian */
1319 #define side_arg_dynamic_u16_be(_val, _attr)                    _side_arg_dynamic_u16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1320 #define side_arg_dynamic_u32_be(_val, _attr)                    _side_arg_dynamic_u32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1321 #define side_arg_dynamic_u64_be(_val, _attr)                    _side_arg_dynamic_u64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1322 #define side_arg_dynamic_s16_be(_val, _attr)                    _side_arg_dynamic_s16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1323 #define side_arg_dynamic_s32_be(_val, _attr)                    _side_arg_dynamic_s32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1324 #define side_arg_dynamic_s64_be(_val, _attr)                    _side_arg_dynamic_s64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1325 #define side_arg_dynamic_pointer_be(_val, _attr)                _side_arg_dynamic_pointer(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1326 #define side_arg_dynamic_float_binary16_be(_val, _attr)         _side_arg_dynamic_float_binary16(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1327 #define side_arg_dynamic_float_binary32_be(_val, _attr)         _side_arg_dynamic_float_binary32(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1328 #define side_arg_dynamic_float_binary64_be(_val, _attr)         _side_arg_dynamic_float_binary64(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1329 #define side_arg_dynamic_float_binary128_be(_val, _attr)        _side_arg_dynamic_float_binary128(_val, SIDE_TYPE_BYTE_ORDER_BE, SIDE_PARAM(_attr))
1330
1331 #define side_arg_dynamic_vla(_vla) \
1332         { \
1333                 .type = SIDE_TYPE_DYNAMIC_VLA, \
1334                 .u = { \
1335                         .side_dynamic = { \
1336                                 .side_dynamic_vla = (_vla), \
1337                         }, \
1338                 }, \
1339         }
1340
1341 #define side_arg_dynamic_vla_visitor(_dynamic_vla_visitor, _ctx, _attr) \
1342         { \
1343                 .type = SIDE_TYPE_DYNAMIC_VLA_VISITOR, \
1344                 .u = { \
1345                         .side_dynamic = { \
1346                                 .side_dynamic_vla_visitor = { \
1347                                         .app_ctx = _ctx, \
1348                                         .visitor = _dynamic_vla_visitor, \
1349                                         .attr = _attr, \
1350                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1351                                 }, \
1352                         }, \
1353                 }, \
1354         }
1355
1356 #define side_arg_dynamic_struct(_struct) \
1357         { \
1358                 .type = SIDE_TYPE_DYNAMIC_STRUCT, \
1359                 .u = { \
1360                         .side_dynamic = { \
1361                                 .side_dynamic_struct = (_struct), \
1362                         }, \
1363                 }, \
1364         }
1365
1366 #define side_arg_dynamic_struct_visitor(_dynamic_struct_visitor, _ctx, _attr) \
1367         { \
1368                 .type = SIDE_TYPE_DYNAMIC_STRUCT_VISITOR, \
1369                 .u = { \
1370                         .side_dynamic = { \
1371                                 .side_dynamic_struct_visitor = { \
1372                                         .app_ctx = _ctx, \
1373                                         .visitor = _dynamic_struct_visitor, \
1374                                         .attr = _attr, \
1375                                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1376                                 }, \
1377                         }, \
1378                 }, \
1379         }
1380
1381 #define side_arg_dynamic_define_vec(_identifier, _sav, _attr) \
1382         const struct side_arg _identifier##_vec[] = { _sav }; \
1383         const struct side_arg_dynamic_vla _identifier = { \
1384                 .sav = _identifier##_vec, \
1385                 .attr = _attr, \
1386                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1387                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1388         }
1389
1390 #define side_arg_dynamic_define_struct(_identifier, _struct_fields, _attr) \
1391         const struct side_arg_dynamic_field _identifier##_fields[] = { _struct_fields }; \
1392         const struct side_arg_dynamic_struct _identifier = { \
1393                 .fields = _identifier##_fields, \
1394                 .attr = _attr, \
1395                 .len = SIDE_ARRAY_SIZE(_identifier##_fields), \
1396                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1397         }
1398
1399 #define side_arg_define_vec(_identifier, _sav) \
1400         const struct side_arg _identifier##_vec[] = { _sav }; \
1401         const struct side_arg_vec _identifier = { \
1402                 .sav = _identifier##_vec, \
1403                 .len = SIDE_ARRAY_SIZE(_identifier##_vec), \
1404         }
1405
1406 #define side_arg_dynamic_field(_name, _elem) \
1407         { \
1408                 .field_name = _name, \
1409                 .elem = _elem, \
1410         }
1411
1412 #define side_arg_list(...)      __VA_ARGS__
1413
1414 #define side_define_enum(_identifier, _mappings, _attr) \
1415         const struct side_enum_mappings _identifier = { \
1416                 .mappings = _mappings, \
1417                 .attr = _attr, \
1418                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1419                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1420         }
1421
1422 #define side_enum_mapping_list(...) \
1423         SIDE_COMPOUND_LITERAL(const struct side_enum_mapping, __VA_ARGS__)
1424
1425 #define side_enum_mapping_range(_label, _begin, _end) \
1426         { \
1427                 .range_begin = _begin, \
1428                 .range_end = _end, \
1429                 .label = _label, \
1430         }
1431
1432 #define side_enum_mapping_value(_label, _value) \
1433         { \
1434                 .range_begin = _value, \
1435                 .range_end = _value, \
1436                 .label = _label, \
1437         }
1438
1439 #define side_define_enum_bitmap(_identifier, _mappings, _attr) \
1440         const struct side_enum_bitmap_mappings _identifier = { \
1441                 .mappings = _mappings, \
1442                 .attr = _attr, \
1443                 .nr_mappings = SIDE_ARRAY_SIZE(SIDE_PARAM(_mappings)), \
1444                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1445         }
1446
1447 #define side_enum_bitmap_mapping_list(...) \
1448         SIDE_COMPOUND_LITERAL(const struct side_enum_bitmap_mapping, __VA_ARGS__)
1449
1450 #define side_enum_bitmap_mapping_range(_label, _begin, _end) \
1451         { \
1452                 .range_begin = _begin, \
1453                 .range_end = _end, \
1454                 .label = _label, \
1455         }
1456
1457 #define side_enum_bitmap_mapping_value(_label, _value) \
1458         { \
1459                 .range_begin = _value, \
1460                 .range_end = _value, \
1461                 .label = _label, \
1462         }
1463
1464 #define side_event_cond(_identifier) \
1465         if (side_unlikely(__atomic_load_n(&side_event_enable__##_identifier, \
1466                                         __ATOMIC_RELAXED)))
1467
1468 #define side_event_call(_identifier, _sav) \
1469         { \
1470                 const struct side_arg side_sav[] = { _sav }; \
1471                 const struct side_arg_vec side_arg_vec = { \
1472                         .sav = side_sav, \
1473                         .len = SIDE_ARRAY_SIZE(side_sav), \
1474                 }; \
1475                 side_call(&(_identifier), &side_arg_vec); \
1476         }
1477
1478 #define side_event(_identifier, _sav) \
1479         side_event_cond(_identifier) \
1480                 side_event_call(_identifier, SIDE_PARAM(_sav))
1481
1482 #define side_event_call_variadic(_identifier, _sav, _var_fields, _attr) \
1483         { \
1484                 const struct side_arg side_sav[] = { _sav }; \
1485                 const struct side_arg_vec side_arg_vec = { \
1486                         .sav = side_sav, \
1487                         .len = SIDE_ARRAY_SIZE(side_sav), \
1488                 }; \
1489                 const struct side_arg_dynamic_field side_fields[] = { _var_fields }; \
1490                 const struct side_arg_dynamic_struct var_struct = { \
1491                         .fields = side_fields, \
1492                         .attr = _attr, \
1493                         .len = SIDE_ARRAY_SIZE(side_fields), \
1494                         .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1495                 }; \
1496                 side_call_variadic(&(_identifier), &side_arg_vec, &var_struct); \
1497         }
1498
1499 #define side_event_variadic(_identifier, _sav, _var, _attr) \
1500         side_event_cond(_identifier) \
1501                 side_event_call_variadic(_identifier, SIDE_PARAM(_sav), SIDE_PARAM(_var), SIDE_PARAM(_attr))
1502
1503 #define _side_define_event(_linkage, _identifier, _provider, _event, _loglevel, _fields, _attr, _flags) \
1504         _linkage uintptr_t side_event_enable__##_identifier __attribute__((section("side_event_enable"))); \
1505         _linkage struct side_event_description __attribute__((section("side_event_description"))) \
1506                         _identifier = { \
1507                 .enabled = &(side_event_enable__##_identifier), \
1508                 .provider_name = _provider, \
1509                 .event_name = _event, \
1510                 .fields = _fields, \
1511                 .attr = _attr, \
1512                 .callbacks = &side_empty_callback, \
1513                 .flags = (_flags), \
1514                 .version = 0, \
1515                 .loglevel = _loglevel, \
1516                 .nr_fields = SIDE_ARRAY_SIZE(SIDE_PARAM(_fields)), \
1517                 .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
1518                 .nr_callbacks = 0, \
1519         }; \
1520         static const struct side_event_description *side_event_ptr__##_identifier \
1521                 __attribute__((section("side_event_description_ptr"), used)) = &(_identifier);
1522
1523 #define side_static_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1524         _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1525                         SIDE_PARAM(_attr), 0)
1526
1527 #define side_static_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1528         _side_define_event(static, _identifier, _provider, _event, _loglevel, SIDE_PARAM(_fields), \
1529                         SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1530
1531 #define side_hidden_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1532         _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, \
1533                         _loglevel, SIDE_PARAM(_fields), SIDE_PARAM(_attr), 0)
1534
1535 #define side_hidden_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1536         _side_define_event(__attribute__((visibility("hidden"))), _identifier, _provider, _event, \
1537                         _loglevel, SIDE_PARAM(_fields), SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1538
1539 #define side_export_event(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1540         _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, \
1541                         _loglevel, SIDE_PARAM(_fields), SIDE_PARAM(_attr), 0)
1542
1543 #define side_export_event_variadic(_identifier, _provider, _event, _loglevel, _fields, _attr) \
1544         _side_define_event(__attribute__((visibility("default"))), _identifier, _provider, _event, \
1545                         _loglevel, SIDE_PARAM(_fields), SIDE_PARAM(_attr), SIDE_EVENT_FLAG_VARIADIC)
1546
1547 #define side_declare_event(_identifier) \
1548         extern uintptr_t side_event_enable_##_identifier; \
1549         extern struct side_event_description _identifier
1550
1551 extern const struct side_callback side_empty_callback;
1552
1553 void side_call(const struct side_event_description *desc,
1554         const struct side_arg_vec *side_arg_vec);
1555 void side_call_variadic(const struct side_event_description *desc,
1556         const struct side_arg_vec *side_arg_vec,
1557         const struct side_arg_dynamic_struct *var_struct);
1558
1559 typedef void (*side_tracer_callback_func)(const struct side_event_description *desc,
1560                         const struct side_arg_vec *side_arg_vec,
1561                         void *priv);
1562 typedef void (*side_tracer_callback_variadic_func)(const struct side_event_description *desc,
1563                         const struct side_arg_vec *side_arg_vec,
1564                         const struct side_arg_dynamic_struct *var_struct,
1565                         void *priv);
1566
1567 int side_tracer_callback_register(struct side_event_description *desc,
1568                 side_tracer_callback_func call,
1569                 void *priv);
1570 int side_tracer_callback_variadic_register(struct side_event_description *desc,
1571                 side_tracer_callback_variadic_func call_variadic,
1572                 void *priv);
1573 int side_tracer_callback_unregister(struct side_event_description *desc,
1574                 side_tracer_callback_func call,
1575                 void *priv);
1576 int side_tracer_callback_variadic_unregister(struct side_event_description *desc,
1577                 side_tracer_callback_variadic_func call_variadic,
1578                 void *priv);
1579
1580 struct side_events_register_handle *side_events_register(struct side_event_description **events,
1581                 uint32_t nr_events);
1582 void side_events_unregister(struct side_events_register_handle *handle);
1583
1584 enum side_tracer_notification {
1585         SIDE_TRACER_NOTIFICATION_INSERT_EVENTS,
1586         SIDE_TRACER_NOTIFICATION_REMOVE_EVENTS,
1587 };
1588
1589 /* Callback is invoked with side library internal lock held. */
1590 struct side_tracer_handle *side_tracer_event_notification_register(
1591                 void (*cb)(enum side_tracer_notification notif,
1592                         struct side_event_description **events, uint32_t nr_events, void *priv),
1593                 void *priv);
1594 void side_tracer_event_notification_unregister(struct side_tracer_handle *handle);
1595
1596 void side_init(void);
1597 void side_exit(void);
1598
1599 /*
1600  * These weak symbols, the constructor, and destructor take care of
1601  * registering only _one_ instance of the side instrumentation per
1602  * shared-ojbect (or for the whole main program).
1603  */
1604 extern struct side_event_description * __start_side_event_description_ptr[]
1605         __attribute__((weak, visibility("hidden")));
1606 extern struct side_event_description * __stop_side_event_description_ptr[]
1607         __attribute__((weak, visibility("hidden")));
1608 int side_event_description_ptr_registered
1609         __attribute__((weak, visibility("hidden")));
1610 struct side_events_register_handle *side_events_handle
1611         __attribute__((weak, visibility("hidden")));
1612
1613 static void
1614 side_event_description_ptr_init(void)
1615         __attribute__((no_instrument_function))
1616         __attribute__((constructor));
1617 static void
1618 side_event_description_ptr_init(void)
1619 {
1620         if (side_event_description_ptr_registered++)
1621                 return;
1622         side_events_handle = side_events_register(__start_side_event_description_ptr,
1623                 __stop_side_event_description_ptr - __start_side_event_description_ptr);
1624 }
1625
1626 static void
1627 side_event_description_ptr_exit(void)
1628         __attribute__((no_instrument_function))
1629         __attribute__((destructor));
1630 static void
1631 side_event_description_ptr_exit(void)
1632 {
1633         if (--side_event_description_ptr_registered)
1634                 return;
1635         side_events_unregister(side_events_handle);
1636         side_events_handle = NULL;
1637 }
1638
1639 #endif /* _SIDE_TRACE_H */