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