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Use uint32_t for type label
[libside.git] / src / tracer.c
CommitLineData
f611d0c3
MD		 1// SPDX-License-Identifier: MIT
2/*
3 * Copyright 2022 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 */
5
6#include <stdint.h>
7#include <inttypes.h>
8#include <stdlib.h>
9#include <stdio.h>
ea32e5fc 10#include <stdbool.h>
1d9c515c 11#include <string.h>
f611d0c3
MD		 12
13#include <side/trace.h>
14
1d9c515c
MD		 15enum tracer_display_base {
16 TRACER_DISPLAY_BASE_2,
17 TRACER_DISPLAY_BASE_8,
18 TRACER_DISPLAY_BASE_10,
19 TRACER_DISPLAY_BASE_16,
20};
21
1e8aec23
MD		 22static struct side_tracer_handle *tracer_handle;
23
f611d0c3 24static
9a6ca773 25void tracer_print_struct(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec);
f611d0c3 26static
9a6ca773 27void tracer_print_array(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec);
f611d0c3 28static
9a6ca773 29void tracer_print_vla(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec);
f611d0c3 30static
66de373e 31void tracer_print_vla_visitor(const struct side_type *type_desc, void *app_ctx);
ba845af5 32static
66de373e 33void tracer_print_dynamic(const struct side_arg *dynamic_item);
d8be25de 34static
8ad2f385
MD		 35uint32_t tracer_print_gather_bool_type(const struct side_type_gather *type_gather, const void *_ptr);
36static
d69918cc 37uint32_t tracer_print_gather_byte_type(const struct side_type_gather *type_gather, const void *_ptr);
d9359cfa 38static
4e1b0e0e
MD		 39uint32_t tracer_print_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr,
40 enum tracer_display_base default_base);
d9359cfa 41static
d41cb7ee 42uint32_t tracer_print_gather_float_type(const struct side_type_gather *type_gather, const void *_ptr);
d9359cfa 43static
d69918cc
MD		 44uint32_t tracer_print_gather_struct(const struct side_type_gather *type_gather, const void *_ptr);
45static
d41cb7ee 46uint32_t tracer_print_gather_array(const struct side_type_gather *type_gather, const void *_ptr);
d9359cfa 47static
80429681
MD		 48uint32_t tracer_print_gather_vla(const struct side_type_gather *type_gather, const void *_ptr,
49 const void *_length_ptr);
65b8734a 50static
66de373e 51void tracer_print_type(const struct side_type *type_desc, const struct side_arg *item);
f611d0c3 52
1d9c515c
MD		 53static
54int64_t get_attr_integer_value(const struct side_attr *attr)
55{
56 int64_t val;
57
58 switch (attr->value.type) {
59 case SIDE_ATTR_TYPE_U8:
43d85239 60 val = attr->value.u.integer_value.side_u8;
1d9c515c
MD		 61 break;
62 case SIDE_ATTR_TYPE_U16:
43d85239 63 val = attr->value.u.integer_value.side_u16;
1d9c515c
MD		 64 break;
65 case SIDE_ATTR_TYPE_U32:
43d85239 66 val = attr->value.u.integer_value.side_u32;
1d9c515c
MD		 67 break;
68 case SIDE_ATTR_TYPE_U64:
43d85239 69 val = attr->value.u.integer_value.side_u64;
1d9c515c
MD		 70 break;
71 case SIDE_ATTR_TYPE_S8:
43d85239 72 val = attr->value.u.integer_value.side_s8;
1d9c515c
MD		 73 break;
74 case SIDE_ATTR_TYPE_S16:
43d85239 75 val = attr->value.u.integer_value.side_s16;
1d9c515c
MD		 76 break;
77 case SIDE_ATTR_TYPE_S32:
43d85239 78 val = attr->value.u.integer_value.side_s32;
1d9c515c
MD		 79 break;
80 case SIDE_ATTR_TYPE_S64:
43d85239 81 val = attr->value.u.integer_value.side_s64;
1d9c515c
MD		 82 break;
83 default:
84 fprintf(stderr, "Unexpected attribute type\n");
85 abort();
86 }
87 return val;
88}
89
90static
f0dafd60
MD		 91enum tracer_display_base get_attr_display_base(const struct side_attr *_attr, uint32_t nr_attr,
92 enum tracer_display_base default_base)
1d9c515c
MD		 93{
94 uint32_t i;
95
96 for (i = 0; i < nr_attr; i++) {
97 const struct side_attr *attr = &_attr[i];
98
99 if (!strcmp(attr->key, "std.integer.base")) {
100 int64_t val = get_attr_integer_value(attr);
101
102 switch (val) {
103 case 2:
104 return TRACER_DISPLAY_BASE_2;
105 case 8:
106 return TRACER_DISPLAY_BASE_8;
107 case 10:
108 return TRACER_DISPLAY_BASE_10;
109 case 16:
110 return TRACER_DISPLAY_BASE_16;
111 default:
112 fprintf(stderr, "Unexpected integer display base: %" PRId64 "\n", val);
113 abort();
114 }
115 }
116 }
f0dafd60 117 return default_base; /* Default */
1d9c515c
MD		 118}
119
8bdd5c12 120static
66de373e 121bool type_to_host_reverse_bo(const struct side_type *type_desc)
8bdd5c12
MD		 122{
123 switch (type_desc->type) {
124 case SIDE_TYPE_U8:
125 case SIDE_TYPE_S8:
126 case SIDE_TYPE_BYTE:
127 return false;
128 case SIDE_TYPE_U16:
129 case SIDE_TYPE_U32:
130 case SIDE_TYPE_U64:
131 case SIDE_TYPE_S16:
132 case SIDE_TYPE_S32:
133 case SIDE_TYPE_S64:
452329a6 134 case SIDE_TYPE_POINTER:
ac81c466 135 if (type_desc->u.side_integer.byte_order != SIDE_TYPE_BYTE_ORDER_HOST)
8bdd5c12
MD		 136 return true;
137 else
138 return false;
139 break;
140 case SIDE_TYPE_FLOAT_BINARY16:
141 case SIDE_TYPE_FLOAT_BINARY32:
142 case SIDE_TYPE_FLOAT_BINARY64:
143 case SIDE_TYPE_FLOAT_BINARY128:
aac52685 144 if (type_desc->u.side_float.byte_order != SIDE_TYPE_FLOAT_WORD_ORDER_HOST)
8bdd5c12
MD		 145 return true;
146 else
147 return false;
148 break;
149 default:
150 fprintf(stderr, "Unexpected type\n");
151 abort();
152 }
153}
154
bc3c89b3 155static
905c328e 156void tracer_print_attr_type(const char *separator, const struct side_attr *attr)
bc3c89b3 157{
905c328e 158 printf("{ key%s \"%s\", value%s ", separator, attr->key, separator);
bc3c89b3
MD		 159 switch (attr->value.type) {
160 case SIDE_ATTR_TYPE_BOOL:
5f82db91 161 printf("%s", attr->value.u.bool_value ? "true" : "false");
bc3c89b3
MD		 162 break;
163 case SIDE_ATTR_TYPE_U8:
43d85239 164 printf("%" PRIu8, attr->value.u.integer_value.side_u8);
bc3c89b3
MD		 165 break;
166 case SIDE_ATTR_TYPE_U16:
43d85239 167 printf("%" PRIu16, attr->value.u.integer_value.side_u16);
bc3c89b3
MD		 168 break;
169 case SIDE_ATTR_TYPE_U32:
43d85239 170 printf("%" PRIu32, attr->value.u.integer_value.side_u32);
bc3c89b3
MD		 171 break;
172 case SIDE_ATTR_TYPE_U64:
43d85239 173 printf("%" PRIu64, attr->value.u.integer_value.side_u64);
bc3c89b3
MD		 174 break;
175 case SIDE_ATTR_TYPE_S8:
43d85239 176 printf("%" PRId8, attr->value.u.integer_value.side_s8);
bc3c89b3
MD		 177 break;
178 case SIDE_ATTR_TYPE_S16:
43d85239 179 printf("%" PRId16, attr->value.u.integer_value.side_s16);
bc3c89b3
MD		 180 break;
181 case SIDE_ATTR_TYPE_S32:
43d85239 182 printf("%" PRId32, attr->value.u.integer_value.side_s32);
bc3c89b3
MD		 183 break;
184 case SIDE_ATTR_TYPE_S64:
43d85239 185 printf("%" PRId64, attr->value.u.integer_value.side_s64);
bc3c89b3
MD		 186 break;
187 case SIDE_ATTR_TYPE_FLOAT_BINARY16:
188#if __HAVE_FLOAT16
a4969f31 189 printf("%g", (double) attr->value.u.float_value.side_float_binary16);
bc3c89b3
MD		 190 break;
191#else
de1b3cd2 192 fprintf(stderr, "ERROR: Unsupported binary16 float type\n");
bc3c89b3
MD		 193 abort();
194#endif
195 case SIDE_ATTR_TYPE_FLOAT_BINARY32:
196#if __HAVE_FLOAT32
a4969f31 197 printf("%g", (double) attr->value.u.float_value.side_float_binary32);
bc3c89b3
MD		 198 break;
199#else
de1b3cd2 200 fprintf(stderr, "ERROR: Unsupported binary32 float type\n");
bc3c89b3
MD		 201 abort();
202#endif
203 case SIDE_ATTR_TYPE_FLOAT_BINARY64:
204#if __HAVE_FLOAT64
a4969f31 205 printf("%g", (double) attr->value.u.float_value.side_float_binary64);
bc3c89b3
MD		 206 break;
207#else
de1b3cd2 208 fprintf(stderr, "ERROR: Unsupported binary64 float type\n");
bc3c89b3
MD		 209 abort();
210#endif
211 case SIDE_ATTR_TYPE_FLOAT_BINARY128:
212#if __HAVE_FLOAT128
a4969f31 213 printf("%Lg", (long double) attr->value.u.float_value.side_float_binary128);
bc3c89b3
MD		 214 break;
215#else
de1b3cd2 216 fprintf(stderr, "ERROR: Unsupported binary128 float type\n");
bc3c89b3
MD		 217 abort();
218#endif
219 case SIDE_ATTR_TYPE_STRING:
5f82db91 220 printf("\"%s\"", (const char *)(uintptr_t) attr->value.u.string_value);
bc3c89b3
MD		 221 break;
222 default:
de1b3cd2 223 fprintf(stderr, "ERROR: <UNKNOWN ATTRIBUTE TYPE>");
bc3c89b3
MD		 224 abort();
225 }
226 printf(" }");
227}
228
7d21cf51 229static
905c328e
MD		 230void print_attributes(const char *prefix_str, const char *separator,
231 const struct side_attr *attr, uint32_t nr_attr)
7d21cf51 232{
e65f9ce5 233 uint32_t i;
7d21cf51
MD		 234
235 if (!nr_attr)
236 return;
905c328e 237 printf("%s%s [ ", prefix_str, separator);
7d21cf51
MD		 238 for (i = 0; i < nr_attr; i++) {
239 printf("%s", i ? ", " : "");
905c328e 240 tracer_print_attr_type(separator, &attr[i]);
7d21cf51
MD		 241 }
242 printf(" ]");
243}
244
79f677ba 245static
66de373e 246void print_enum(const struct side_type *type_desc, const struct side_arg *item)
79f677ba 247{
d8be25de 248 const struct side_enum_mappings *mappings = type_desc->u.side_enum.mappings;
66de373e 249 const struct side_type *elem_type = type_desc->u.side_enum.elem_type;
e65f9ce5 250 uint32_t i, print_count = 0;
d8be25de 251 int64_t value;
79f677ba 252
8bdd5c12 253 if (elem_type->type != item->type) {
de1b3cd2 254 fprintf(stderr, "ERROR: Unexpected enum element type\n");
d8be25de
MD		 255 abort();
256 }
257 switch (item->type) {
258 case SIDE_TYPE_U8:
66de373e 259 value = (int64_t) item->u.side_static.integer_value.side_u8;
d8be25de
MD		 260 break;
261 case SIDE_TYPE_U16:
8bdd5c12
MD		 262 {
263 uint16_t v;
264
66de373e 265 v = item->u.side_static.integer_value.side_u16;
8bdd5c12
MD		 266 if (type_to_host_reverse_bo(elem_type))
267 v = side_bswap_16(v);
268 value = (int64_t) v;
d8be25de 269 break;
8bdd5c12 270 }
d8be25de 271 case SIDE_TYPE_U32:
8bdd5c12
MD		 272 {
273 uint32_t v;
274
66de373e 275 v = item->u.side_static.integer_value.side_u32;
8bdd5c12
MD		 276 if (type_to_host_reverse_bo(elem_type))
277 v = side_bswap_32(v);
278 value = (int64_t) v;
d8be25de 279 break;
8bdd5c12 280 }
d8be25de 281 case SIDE_TYPE_U64:
8bdd5c12
MD		 282 {
283 uint64_t v;
284
66de373e 285 v = item->u.side_static.integer_value.side_u64;
8bdd5c12
MD		 286 if (type_to_host_reverse_bo(elem_type))
287 v = side_bswap_64(v);
288 value = (int64_t) v;
d8be25de 289 break;
8bdd5c12 290 }
d8be25de 291 case SIDE_TYPE_S8:
66de373e 292 value = (int64_t) item->u.side_static.integer_value.side_s8;
d8be25de
MD		 293 break;
294 case SIDE_TYPE_S16:
8bdd5c12
MD		 295 {
296 int16_t v;
297
66de373e 298 v = item->u.side_static.integer_value.side_s16;
8bdd5c12
MD		 299 if (type_to_host_reverse_bo(elem_type))
300 v = side_bswap_16(v);
301 value = (int64_t) v;
d8be25de 302 break;
8bdd5c12 303 }
d8be25de 304 case SIDE_TYPE_S32:
8bdd5c12
MD		 305 {
306 int32_t v;
307
66de373e 308 v = item->u.side_static.integer_value.side_s32;
8bdd5c12
MD		 309 if (type_to_host_reverse_bo(elem_type))
310 v = side_bswap_32(v);
311 value = (int64_t) v;
d8be25de 312 break;
8bdd5c12 313 }
d8be25de 314 case SIDE_TYPE_S64:
8bdd5c12
MD		 315 {
316 int64_t v;
317
66de373e 318 v = item->u.side_static.integer_value.side_s64;
8bdd5c12
MD		 319 if (type_to_host_reverse_bo(elem_type))
320 v = side_bswap_64(v);
321 value = v;
d8be25de 322 break;
8bdd5c12 323 }
d8be25de 324 default:
de1b3cd2 325 fprintf(stderr, "ERROR: Unexpected enum element type\n");
d8be25de
MD		 326 abort();
327 }
905c328e 328 print_attributes("attr", ":", mappings->attr, mappings->nr_attr);
d8be25de
MD		 329 printf("%s", mappings->nr_attr ? ", " : "");
330 tracer_print_type(type_desc->u.side_enum.elem_type, item);
331 printf(", labels: [ ");
332 for (i = 0; i < mappings->nr_mappings; i++) {
333 const struct side_enum_mapping *mapping = &mappings->mappings[i];
79f677ba 334
ea32e5fc 335 if (mapping->range_end < mapping->range_begin) {
de1b3cd2 336 fprintf(stderr, "ERROR: Unexpected enum range: %" PRIu64 "-%" PRIu64 "\n",
ea32e5fc
MD		 337 mapping->range_begin, mapping->range_end);
338 abort();
339 }
79f677ba
MD		 340 if (value >= mapping->range_begin && value <= mapping->range_end) {
341 printf("%s", print_count++ ? ", " : "");
342 printf("\"%s\"", mapping->label);
343 }
344 }
345 if (!print_count)
346 printf("<NO LABEL>");
347 printf(" ]");
348}
349
ea32e5fc 350static
66de373e 351uint32_t enum_elem_type_to_stride(const struct side_type *elem_type)
ea32e5fc 352{
af6aa6e1
MD		 353 uint32_t stride_bit;
354
bab5d6e4 355 switch (elem_type->type) {
4cc2880b
MD		 356 case SIDE_TYPE_U8: /* Fall-through */
357 case SIDE_TYPE_BYTE:
af6aa6e1
MD		 358 stride_bit = 8;
359 break;
af6aa6e1 360 case SIDE_TYPE_U16:
af6aa6e1
MD		 361 stride_bit = 16;
362 break;
af6aa6e1 363 case SIDE_TYPE_U32:
af6aa6e1
MD		 364 stride_bit = 32;
365 break;
af6aa6e1 366 case SIDE_TYPE_U64:
af6aa6e1
MD		 367 stride_bit = 64;
368 break;
af6aa6e1 369 default:
de1b3cd2 370 fprintf(stderr, "ERROR: Unexpected enum element type\n");
af6aa6e1
MD		 371 abort();
372 }
373 return stride_bit;
374}
375
376static
66de373e
MD		 377void print_enum_bitmap(const struct side_type *type_desc,
378 const struct side_arg *item)
af6aa6e1 379{
66de373e 380 const struct side_type *elem_type = type_desc->u.side_enum_bitmap.elem_type;
bab5d6e4 381 const struct side_enum_bitmap_mappings *side_enum_mappings = type_desc->u.side_enum_bitmap.mappings;
e65f9ce5 382 uint32_t i, print_count = 0, stride_bit, nr_items;
8bdd5c12 383 bool reverse_byte_order = false;
66de373e 384 const struct side_arg *array_item;
af6aa6e1 385
bab5d6e4
MD		 386 switch (elem_type->type) {
387 case SIDE_TYPE_U8: /* Fall-through */
4cc2880b 388 case SIDE_TYPE_BYTE: /* Fall-through */
bab5d6e4
MD		 389 case SIDE_TYPE_U16: /* Fall-through */
390 case SIDE_TYPE_U32: /* Fall-through */
4cc2880b 391 case SIDE_TYPE_U64:
45392033 392 stride_bit = enum_elem_type_to_stride(elem_type);
8bdd5c12 393 reverse_byte_order = type_to_host_reverse_bo(elem_type);
af6aa6e1
MD		 394 array_item = item;
395 nr_items = 1;
af6aa6e1 396 break;
bab5d6e4 397 case SIDE_TYPE_ARRAY:
45392033 398 stride_bit = enum_elem_type_to_stride(elem_type->u.side_array.elem_type);
8bdd5c12 399 reverse_byte_order = type_to_host_reverse_bo(elem_type->u.side_array.elem_type);
66de373e 400 array_item = item->u.side_static.side_array->sav;
bab5d6e4 401 nr_items = type_desc->u.side_array.length;
af6aa6e1 402 break;
bab5d6e4 403 case SIDE_TYPE_VLA:
45392033 404 stride_bit = enum_elem_type_to_stride(elem_type->u.side_vla.elem_type);
8bdd5c12 405 reverse_byte_order = type_to_host_reverse_bo(elem_type->u.side_vla.elem_type);
66de373e
MD		 406 array_item = item->u.side_static.side_vla->sav;
407 nr_items = item->u.side_static.side_vla->len;
af6aa6e1
MD		 408 break;
409 default:
de1b3cd2 410 fprintf(stderr, "ERROR: Unexpected enum element type\n");
af6aa6e1
MD		 411 abort();
412 }
ea32e5fc 413
905c328e 414 print_attributes("attr", ":", side_enum_mappings->attr, side_enum_mappings->nr_attr);
d4328528 415 printf("%s", side_enum_mappings->nr_attr ? ", " : "");
af6aa6e1 416 printf("labels: [ ");
ea32e5fc 417 for (i = 0; i < side_enum_mappings->nr_mappings; i++) {
66cff328 418 const struct side_enum_bitmap_mapping *mapping = &side_enum_mappings->mappings[i];
ea32e5fc 419 bool match = false;
9ff49ee4 420 uint64_t bit;
ea32e5fc 421
9ff49ee4 422 if (mapping->range_end < mapping->range_begin) {
de1b3cd2 423 fprintf(stderr, "ERROR: Unexpected enum bitmap range: %" PRIu64 "-%" PRIu64 "\n",
ea32e5fc
MD		 424 mapping->range_begin, mapping->range_end);
425 abort();
426 }
427 for (bit = mapping->range_begin; bit <= mapping->range_end; bit++) {
af6aa6e1
MD		 428 if (bit > (nr_items * stride_bit) - 1)
429 break;
430 switch (stride_bit) {
431 case 8:
432 {
66de373e 433 uint8_t v = array_item[bit / 8].u.side_static.integer_value.side_u8;
af6aa6e1
MD		 434 if (v & (1ULL << (bit % 8))) {
435 match = true;
436 goto match;
437 }
438 break;
439 }
440 case 16:
441 {
66de373e 442 uint16_t v = array_item[bit / 16].u.side_static.integer_value.side_u16;
8bdd5c12
MD		 443 if (reverse_byte_order)
444 v = side_bswap_16(v);
af6aa6e1
MD		 445 if (v & (1ULL << (bit % 16))) {
446 match = true;
447 goto match;
448 }
449 break;
450 }
451 case 32:
452 {
66de373e 453 uint32_t v = array_item[bit / 32].u.side_static.integer_value.side_u32;
8bdd5c12
MD		 454 if (reverse_byte_order)
455 v = side_bswap_32(v);
af6aa6e1
MD		 456 if (v & (1ULL << (bit % 32))) {
457 match = true;
458 goto match;
459 }
ea32e5fc
MD		 460 break;
461 }
af6aa6e1
MD		 462 case 64:
463 {
66de373e 464 uint64_t v = array_item[bit / 64].u.side_static.integer_value.side_u64;
8bdd5c12
MD		 465 if (reverse_byte_order)
466 v = side_bswap_64(v);
af6aa6e1
MD		 467 if (v & (1ULL << (bit % 64))) {
468 match = true;
469 goto match;
470 }
471 break;
472 }
473 default:
474 abort();
475 }
ea32e5fc 476 }
af6aa6e1 477match:
ea32e5fc
MD		 478 if (match) {
479 printf("%s", print_count++ ? ", " : "");
480 printf("\"%s\"", mapping->label);
481 }
482 }
483 if (!print_count)
484 printf("<NO LABEL>");
485 printf(" ]");
486}
487
1d9c515c
MD		 488static
489void print_integer_binary(uint64_t v, int bits)
490{
491 int i;
492
493 printf("0b");
494 v <<= 64 - bits;
495 for (i = 0; i < bits; i++) {
496 printf("%c", v & (1ULL << 63) ? '1' : '0');
497 v <<= 1;
498 }
499}
500
0e9be766 501static
aac52685
MD		 502void tracer_print_type_header(const char *separator,
503 const struct side_attr *attr, uint32_t nr_attr)
ac81c466 504{
aac52685
MD		 505 print_attributes("attr", separator, attr, nr_attr);
506 printf("%s", nr_attr ? ", " : "");
507 printf("value%s ", separator);
ac81c466
MD		 508}
509
8ad2f385
MD		 510static
511void tracer_print_type_bool(const char *separator,
512 const struct side_type_bool *type_bool,
d6f684e4 513 const union side_bool_value *value,
8ad2f385
MD		 514 uint16_t offset_bits)
515{
88bab79c 516 uint32_t len_bits;
8ad2f385
MD		 517 bool reverse_bo;
518 uint64_t v;
519
88bab79c
MD		 520 if (!type_bool->len_bits)
521 len_bits = type_bool->bool_size * CHAR_BIT;
522 else
523 len_bits = type_bool->len_bits;
524 if (len_bits + offset_bits > type_bool->bool_size * CHAR_BIT)
8ad2f385
MD		 525 abort();
526 reverse_bo = type_bool->byte_order != SIDE_TYPE_BYTE_ORDER_HOST;
88bab79c
MD		 527 switch (type_bool->bool_size) {
528 case 1:
d6f684e4 529 v = value->side_bool8;
8ad2f385 530 break;
88bab79c 531 case 2:
8ad2f385
MD		 532 {
533 uint16_t side_u16;
534
d6f684e4 535 side_u16 = value->side_bool16;
8ad2f385
MD		 536 if (reverse_bo)
537 side_u16 = side_bswap_16(side_u16);
538 v = side_u16;
539 break;
540 }
88bab79c 541 case 4:
8ad2f385
MD		 542 {
543 uint32_t side_u32;
544
d6f684e4 545 side_u32 = value->side_bool32;
8ad2f385
MD		 546 if (reverse_bo)
547 side_u32 = side_bswap_32(side_u32);
548 v = side_u32;
549 break;
550 }
88bab79c 551 case 8:
8ad2f385
MD		 552 {
553 uint64_t side_u64;
554
d6f684e4 555 side_u64 = value->side_bool64;
8ad2f385
MD		 556 if (reverse_bo)
557 side_u64 = side_bswap_64(side_u64);
558 v = side_u64;
559 break;
560 }
561 default:
562 abort();
563 }
564 v >>= offset_bits;
88bab79c
MD		 565 if (len_bits < 64)
566 v &= (1ULL << len_bits) - 1;
8ad2f385
MD		 567 tracer_print_type_header(separator, type_bool->attr, type_bool->nr_attr);
568 printf("%s", v ? "true" : "false");
569}
570
56c21987 571static
e3080b2a
MD		 572void tracer_print_type_integer(const char *separator,
573 const struct side_type_integer *type_integer,
87405d12 574 const union side_integer_value *value,
f0dafd60
MD		 575 uint16_t offset_bits,
576 enum tracer_display_base default_base)
56c21987
MD		 577{
578 enum tracer_display_base base;
88bab79c 579 uint32_t len_bits;
cb589216 580 bool reverse_bo;
56c21987
MD		 581 union {
582 uint64_t v_unsigned;
583 int64_t v_signed;
584 } v;
585
88bab79c
MD		 586 if (!type_integer->len_bits)
587 len_bits = type_integer->integer_size * CHAR_BIT;
588 else
589 len_bits = type_integer->len_bits;
590 if (len_bits + offset_bits > type_integer->integer_size * CHAR_BIT)
56c21987 591 abort();
cb589216 592 reverse_bo = type_integer->byte_order != SIDE_TYPE_BYTE_ORDER_HOST;
e3080b2a 593 base = get_attr_display_base(type_integer->attr,
f0dafd60
MD		 594 type_integer->nr_attr,
595 default_base);
88bab79c
MD		 596 switch (type_integer->integer_size) {
597 case 1:
e3080b2a
MD		 598 if (type_integer->signedness)
599 v.v_signed = value->side_s8;
600 else
601 v.v_unsigned = value->side_u8;
56c21987 602 break;
88bab79c 603 case 2:
e3080b2a
MD		 604 if (type_integer->signedness) {
605 int16_t side_s16;
56c21987 606
e3080b2a 607 side_s16 = value->side_s16;
cb589216 608 if (reverse_bo)
e3080b2a
MD		 609 side_s16 = side_bswap_16(side_s16);
610 v.v_signed = side_s16;
611 } else {
612 uint16_t side_u16;
56c21987 613
e3080b2a 614 side_u16 = value->side_u16;
cb589216 615 if (reverse_bo)
e3080b2a
MD		 616 side_u16 = side_bswap_16(side_u16);
617 v.v_unsigned = side_u16;
618 }
56c21987 619 break;
88bab79c 620 case 4:
e3080b2a
MD		 621 if (type_integer->signedness) {
622 int32_t side_s32;
56c21987 623
e3080b2a 624 side_s32 = value->side_s32;
cb589216 625 if (reverse_bo)
e3080b2a
MD		 626 side_s32 = side_bswap_32(side_s32);
627 v.v_signed = side_s32;
628 } else {
629 uint32_t side_u32;
56c21987 630
e3080b2a 631 side_u32 = value->side_u32;
cb589216 632 if (reverse_bo)
e3080b2a
MD		 633 side_u32 = side_bswap_32(side_u32);
634 v.v_unsigned = side_u32;
635 }
56c21987 636 break;
88bab79c 637 case 8:
e3080b2a
MD		 638 if (type_integer->signedness) {
639 int64_t side_s64;
56c21987 640
e3080b2a 641 side_s64 = value->side_s64;
cb589216 642 if (reverse_bo)
e3080b2a
MD		 643 side_s64 = side_bswap_64(side_s64);
644 v.v_signed = side_s64;
645 } else {
646 uint64_t side_u64;
56c21987 647
e3080b2a 648 side_u64 = value->side_u64;
cb589216 649 if (reverse_bo)
e3080b2a
MD		 650 side_u64 = side_bswap_64(side_u64);
651 v.v_unsigned = side_u64;
652 }
56c21987 653 break;
56c21987
MD		 654 default:
655 abort();
656 }
87405d12 657 v.v_unsigned >>= offset_bits;
88bab79c
MD		 658 if (len_bits < 64)
659 v.v_unsigned &= (1ULL << len_bits) - 1;
e3080b2a 660 tracer_print_type_header(separator, type_integer->attr, type_integer->nr_attr);
56c21987
MD		 661 switch (base) {
662 case TRACER_DISPLAY_BASE_2:
88bab79c 663 print_integer_binary(v.v_unsigned, len_bits);
56c21987
MD		 664 break;
665 case TRACER_DISPLAY_BASE_8:
666 printf("0%" PRIo64, v.v_unsigned);
667 break;
668 case TRACER_DISPLAY_BASE_10:
e3080b2a 669 if (type_integer->signedness) {
56c21987 670 /* Sign-extend. */
88bab79c
MD		 671 if (len_bits < 64) {
672 if (v.v_unsigned & (1ULL << (len_bits - 1)))
673 v.v_unsigned |= ~((1ULL << len_bits) - 1);
56c21987
MD		 674 }
675 printf("%" PRId64, v.v_signed);
676 } else {
677 printf("%" PRIu64, v.v_unsigned);
678 }
679 break;
680 case TRACER_DISPLAY_BASE_16:
681 printf("0x%" PRIx64, v.v_unsigned);
682 break;
683 default:
684 abort();
685 }
686}
687
3aa7ca5e
MD		 688static
689void tracer_print_type_float(const char *separator,
690 const struct side_type_float *type_float,
691 const union side_float_value *value)
692{
693 bool reverse_bo;
694
695 reverse_bo = type_float->byte_order != SIDE_TYPE_FLOAT_WORD_ORDER_HOST;
696 tracer_print_type_header(separator, type_float->attr, type_float->nr_attr);
88bab79c
MD		 697 switch (type_float->float_size) {
698 case 2:
3aa7ca5e
MD		 699 {
700#if __HAVE_FLOAT16
701 union {
702 _Float16 f;
703 uint16_t u;
704 } float16 = {
705 .f = value->side_float_binary16,
706 };
707
708 if (reverse_bo)
709 float16.u = side_bswap_16(float16.u);
710 tracer_print_type_header(":", type_desc->u.side_float.attr, type_desc->u.side_float.nr_attr);
711 printf("%g", (double) float16.f);
712 break;
713#else
714 fprintf(stderr, "ERROR: Unsupported binary16 float type\n");
715 abort();
716#endif
717 }
88bab79c 718 case 4:
3aa7ca5e
MD		 719 {
720#if __HAVE_FLOAT32
721 union {
722 _Float32 f;
723 uint32_t u;
724 } float32 = {
725 .f = value->side_float_binary32,
726 };
727
728 if (reverse_bo)
729 float32.u = side_bswap_32(float32.u);
730 printf("%g", (double) float32.f);
731 break;
732#else
733 fprintf(stderr, "ERROR: Unsupported binary32 float type\n");
734 abort();
735#endif
736 }
88bab79c 737 case 8:
3aa7ca5e
MD		 738 {
739#if __HAVE_FLOAT64
740 union {
741 _Float64 f;
742 uint64_t u;
743 } float64 = {
744 .f = value->side_float_binary64,
745 };
746
747 if (reverse_bo)
748 float64.u = side_bswap_64(float64.u);
749 printf("%g", (double) float64.f);
750 break;
751#else
752 fprintf(stderr, "ERROR: Unsupported binary64 float type\n");
753 abort();
754#endif
755 }
88bab79c 756 case 16:
3aa7ca5e
MD		 757 {
758#if __HAVE_FLOAT128
759 union {
760 _Float128 f;
761 char arr[16];
762 } float128 = {
763 .f = value->side_float_binary128,
764 };
765
766 if (reverse_bo)
767 side_bswap_128p(float128.arr);
768 printf("%Lg", (long double) float128.f);
769 break;
770#else
771 fprintf(stderr, "ERROR: Unsupported binary128 float type\n");
772 abort();
773#endif
774 }
775 default:
776 fprintf(stderr, "ERROR: Unknown float size\n");
777 abort();
778 }
779}
780
f611d0c3 781static
66de373e 782void tracer_print_type(const struct side_type *type_desc, const struct side_arg *item)
f611d0c3 783{
66de373e 784 enum side_type_label type;
d8be25de 785
45392033 786 switch (type_desc->type) {
45392033
MD		 787 case SIDE_TYPE_ENUM:
788 switch (item->type) {
789 case SIDE_TYPE_U8:
790 case SIDE_TYPE_U16:
791 case SIDE_TYPE_U32:
792 case SIDE_TYPE_U64:
793 case SIDE_TYPE_S8:
794 case SIDE_TYPE_S16:
795 case SIDE_TYPE_S32:
796 case SIDE_TYPE_S64:
bab5d6e4
MD		 797 break;
798 default:
de1b3cd2 799 fprintf(stderr, "ERROR: type mismatch between description and arguments\n");
45392033
MD		 800 abort();
801 break;
802 }
803 break;
804
805 case SIDE_TYPE_ENUM_BITMAP:
806 switch (item->type) {
807 case SIDE_TYPE_U8:
4cc2880b 808 case SIDE_TYPE_BYTE:
45392033
MD		 809 case SIDE_TYPE_U16:
810 case SIDE_TYPE_U32:
811 case SIDE_TYPE_U64:
812 case SIDE_TYPE_ARRAY:
813 case SIDE_TYPE_VLA:
814 break;
815 default:
de1b3cd2 816 fprintf(stderr, "ERROR: type mismatch between description and arguments\n");
45392033
MD		 817 abort();
818 break;
d8be25de
MD		 819 }
820 break;
821
66de373e
MD		 822 case SIDE_TYPE_DYNAMIC:
823 switch (item->type) {
824 case SIDE_TYPE_DYNAMIC_NULL:
825 case SIDE_TYPE_DYNAMIC_BOOL:
f9db30c3 826 case SIDE_TYPE_DYNAMIC_INTEGER:
66de373e 827 case SIDE_TYPE_DYNAMIC_BYTE:
452329a6 828 case SIDE_TYPE_DYNAMIC_POINTER:
e5b6a8ce 829 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 830 case SIDE_TYPE_DYNAMIC_STRING:
831 case SIDE_TYPE_DYNAMIC_STRUCT:
832 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
833 case SIDE_TYPE_DYNAMIC_VLA:
834 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
835 break;
836 default:
837 fprintf(stderr, "ERROR: Unexpected dynamic type\n");
838 abort();
839 break;
840 }
841 break;
842
ba845af5 843 default:
a2e2357e 844 if (type_desc->type != item->type) {
de1b3cd2 845 fprintf(stderr, "ERROR: type mismatch between description and arguments\n");
ba845af5
MD		 846 abort();
847 }
848 break;
f611d0c3 849 }
d8be25de 850
bab5d6e4 851 if (type_desc->type == SIDE_TYPE_ENUM || type_desc->type == SIDE_TYPE_ENUM_BITMAP)
e65f9ce5 852 type = (enum side_type_label) type_desc->type;
d8be25de 853 else
e65f9ce5 854 type = (enum side_type_label) item->type;
d8be25de 855
a848763d 856 printf("{ ");
d8be25de 857 switch (type) {
9b641221
MD		 858 case SIDE_TYPE_NULL:
859 tracer_print_type_header(":", type_desc->u.side_null.attr, type_desc->u.side_null.nr_attr);
860 printf("<NULL TYPE>");
861 break;
862
4f40d951 863 case SIDE_TYPE_BOOL:
d6f684e4 864 tracer_print_type_bool(":", &type_desc->u.side_bool, &item->u.side_static.bool_value, 0);
4f40d951 865 break;
1d9c515c 866
56c21987 867 case SIDE_TYPE_U8:
f611d0c3 868 case SIDE_TYPE_U16:
f611d0c3 869 case SIDE_TYPE_U32:
f611d0c3 870 case SIDE_TYPE_U64:
f611d0c3 871 case SIDE_TYPE_S8:
f611d0c3 872 case SIDE_TYPE_S16:
f611d0c3 873 case SIDE_TYPE_S32:
f611d0c3 874 case SIDE_TYPE_S64:
66de373e 875 tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0,
f0dafd60 876 TRACER_DISPLAY_BASE_10);
f611d0c3 877 break;
56c21987 878
452329a6 879 case SIDE_TYPE_POINTER:
66de373e 880 tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0,
f0dafd60 881 TRACER_DISPLAY_BASE_16);
f5e650d7 882 break;
f0dafd60 883
f7653b43 884 case SIDE_TYPE_BYTE:
5f82db91 885 tracer_print_type_header(":", type_desc->u.side_byte.attr, type_desc->u.side_byte.nr_attr);
66de373e 886 printf("0x%" PRIx8, item->u.side_static.byte_value);
7aec0d09 887 break;
79f677ba 888
d8be25de
MD		 889 case SIDE_TYPE_ENUM:
890 print_enum(type_desc, item);
79f677ba
MD		 891 break;
892
bab5d6e4 893 case SIDE_TYPE_ENUM_BITMAP:
af6aa6e1 894 print_enum_bitmap(type_desc, item);
ea32e5fc
MD		 895 break;
896
fb25b355 897 case SIDE_TYPE_FLOAT_BINARY16:
fb25b355 898 case SIDE_TYPE_FLOAT_BINARY32:
fb25b355 899 case SIDE_TYPE_FLOAT_BINARY64:
fb25b355 900 case SIDE_TYPE_FLOAT_BINARY128:
66de373e 901 tracer_print_type_float(":", &type_desc->u.side_float, &item->u.side_static.float_value);
fb25b355 902 break;
3aa7ca5e 903
f611d0c3 904 case SIDE_TYPE_STRING:
5f82db91 905 tracer_print_type_header(":", type_desc->u.side_string.attr, type_desc->u.side_string.nr_attr);
66de373e 906 printf("\"%s\"", (const char *)(uintptr_t) item->u.side_static.string_value);
f611d0c3
MD		 907 break;
908 case SIDE_TYPE_STRUCT:
66de373e 909 tracer_print_struct(type_desc, item->u.side_static.side_struct);
f611d0c3 910 break;
d41cb7ee 911 case SIDE_TYPE_GATHER_STRUCT:
fb8c26c9 912 (void) tracer_print_gather_struct(&type_desc->u.side_gather, item->u.side_static.side_struct_gather_ptr);
d9359cfa 913 break;
d41cb7ee 914 case SIDE_TYPE_GATHER_ARRAY:
fb8c26c9 915 (void) tracer_print_gather_array(&type_desc->u.side_gather, item->u.side_static.side_array_gather_ptr);
33956c71 916 break;
80429681
MD		 917 case SIDE_TYPE_GATHER_VLA:
918 (void) tracer_print_gather_vla(&type_desc->u.side_gather, item->u.side_static.side_vla_gather.ptr,
919 item->u.side_static.side_vla_gather.length_ptr);
920 break;
8ad2f385
MD		 921 case SIDE_TYPE_GATHER_BOOL:
922 (void) tracer_print_gather_bool_type(&type_desc->u.side_gather, item->u.side_static.side_bool_gather_ptr);
923 break;
d69918cc 924 case SIDE_TYPE_GATHER_BYTE:
fb8c26c9 925 (void) tracer_print_gather_byte_type(&type_desc->u.side_gather, item->u.side_static.side_byte_gather_ptr);
d69918cc 926 break;
4e1b0e0e
MD		 927 case SIDE_TYPE_GATHER_POINTER:
928 (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr,
929 TRACER_DISPLAY_BASE_16);
930 break;
f9db30c3 931 case SIDE_TYPE_GATHER_INTEGER:
4e1b0e0e
MD		 932 (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr,
933 TRACER_DISPLAY_BASE_10);
7a1cb105 934 break;
d41cb7ee
MD		 935 case SIDE_TYPE_GATHER_FLOAT:
936 (void) tracer_print_gather_float_type(&type_desc->u.side_gather, item->u.side_static.side_float_gather_ptr);
905f68e3 937 break;
f611d0c3 938 case SIDE_TYPE_ARRAY:
66de373e 939 tracer_print_array(type_desc, item->u.side_static.side_array);
f611d0c3
MD		 940 break;
941 case SIDE_TYPE_VLA:
66de373e 942 tracer_print_vla(type_desc, item->u.side_static.side_vla);
f611d0c3
MD		 943 break;
944 case SIDE_TYPE_VLA_VISITOR:
66de373e 945 tracer_print_vla_visitor(type_desc, item->u.side_static.side_vla_app_visitor_ctx);
f611d0c3 946 break;
66de373e
MD		 947
948 /* Dynamic types */
949 case SIDE_TYPE_DYNAMIC_NULL:
950 case SIDE_TYPE_DYNAMIC_BOOL:
f9db30c3 951 case SIDE_TYPE_DYNAMIC_INTEGER:
66de373e 952 case SIDE_TYPE_DYNAMIC_BYTE:
452329a6 953 case SIDE_TYPE_DYNAMIC_POINTER:
e5b6a8ce 954 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 955 case SIDE_TYPE_DYNAMIC_STRING:
956 case SIDE_TYPE_DYNAMIC_STRUCT:
957 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
958 case SIDE_TYPE_DYNAMIC_VLA:
959 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
960 tracer_print_dynamic(item);
a2e2357e 961 break;
f611d0c3 962 default:
f6c02218 963 fprintf(stderr, "<UNKNOWN TYPE>\n");
f611d0c3
MD		 964 abort();
965 }
a848763d 966 printf(" }");
f611d0c3
MD		 967}
968
969static
66de373e 970void tracer_print_field(const struct side_event_field *item_desc, const struct side_arg *item)
f611d0c3 971{
19fa6aa2 972 printf("%s: ", item_desc->field_name);
f611d0c3 973 tracer_print_type(&item_desc->side_type, item);
f611d0c3
MD		 974}
975
976static
9a6ca773 977void tracer_print_struct(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
f611d0c3 978{
9a6ca773 979 const struct side_arg *sav = side_arg_vec->sav;
e65f9ce5 980 uint32_t i, side_sav_len = side_arg_vec->len;
f611d0c3 981
c7a14585 982 if (type_desc->u.side_struct->nr_fields != side_sav_len) {
de1b3cd2 983 fprintf(stderr, "ERROR: number of fields mismatch between description and arguments of structure\n");
f611d0c3
MD		 984 abort();
985 }
905c328e 986 print_attributes("attr", ":", type_desc->u.side_struct->attr, type_desc->u.side_struct->nr_attr);
73b2b0c2
MD		 987 printf("%s", type_desc->u.side_struct->nr_attr ? ", " : "");
988 printf("fields: { ");
f611d0c3
MD		 989 for (i = 0; i < side_sav_len; i++) {
990 printf("%s", i ? ", " : "");
c7a14585 991 tracer_print_field(&type_desc->u.side_struct->fields[i], &sav[i]);
f611d0c3 992 }
d4328528 993 printf(" }");
f611d0c3
MD		 994}
995
7a1cb105 996static
d9359cfa
MD		 997void tracer_print_array(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
998{
999 const struct side_arg *sav = side_arg_vec->sav;
1000 uint32_t i, side_sav_len = side_arg_vec->len;
1001
1002 if (type_desc->u.side_array.length != side_sav_len) {
1003 fprintf(stderr, "ERROR: length mismatch between description and arguments of array\n");
1004 abort();
1005 }
1006 print_attributes("attr", ":", type_desc->u.side_array.attr, type_desc->u.side_array.nr_attr);
1007 printf("%s", type_desc->u.side_array.nr_attr ? ", " : "");
1008 printf("elements: ");
1009 printf("[ ");
1010 for (i = 0; i < side_sav_len; i++) {
1011 printf("%s", i ? ", " : "");
1012 tracer_print_type(type_desc->u.side_array.elem_type, &sav[i]);
1013 }
1014 printf(" ]");
1015}
1016
1017static
1018void tracer_print_vla(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
1019{
1020 const struct side_arg *sav = side_arg_vec->sav;
1021 uint32_t i, side_sav_len = side_arg_vec->len;
1022
1023 print_attributes("attr", ":", type_desc->u.side_vla.attr, type_desc->u.side_vla.nr_attr);
1024 printf("%s", type_desc->u.side_vla.nr_attr ? ", " : "");
1025 printf("elements: ");
1026 printf("[ ");
1027 for (i = 0; i < side_sav_len; i++) {
1028 printf("%s", i ? ", " : "");
1029 tracer_print_type(type_desc->u.side_vla.elem_type, &sav[i]);
1030 }
1031 printf(" ]");
1032}
1033
dd7947bf 1034static
d41cb7ee 1035const char *tracer_gather_access(enum side_type_gather_access_mode access_mode, const char *ptr)
dd7947bf 1036{
65b8734a 1037 switch (access_mode) {
84c04cc8 1038 case SIDE_TYPE_GATHER_ACCESS_DIRECT:
dd7947bf 1039 return ptr;
d41cb7ee 1040 case SIDE_TYPE_GATHER_ACCESS_POINTER:
dd7947bf
MD		 1041 /* Dereference pointer */
1042 memcpy(&ptr, ptr, sizeof(ptr));
1043 return ptr;
1044 default:
1045 abort();
1046 }
1047}
1048
1049static
d41cb7ee 1050uint32_t tracer_gather_size(enum side_type_gather_access_mode access_mode, uint32_t len)
dd7947bf 1051{
65b8734a 1052 switch (access_mode) {
84c04cc8 1053 case SIDE_TYPE_GATHER_ACCESS_DIRECT:
dd7947bf 1054 return len;
d41cb7ee 1055 case SIDE_TYPE_GATHER_ACCESS_POINTER:
dd7947bf
MD		 1056 return sizeof(void *);
1057 default:
1058 abort();
1059 }
1060}
1061
d9359cfa 1062static
d41cb7ee 1063uint64_t tracer_load_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr)
7a1cb105 1064{
d41cb7ee 1065 enum side_type_gather_access_mode access_mode = type_gather->u.side_integer.access_mode;
88bab79c 1066 uint32_t integer_size_bytes = type_gather->u.side_integer.type.integer_size;
7a1cb105 1067 const char *ptr = (const char *) _ptr;
87405d12 1068 union side_integer_value value;
65b8734a 1069
d41cb7ee 1070 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_integer.offset);
65b8734a 1071 memcpy(&value, ptr, integer_size_bytes);
88bab79c
MD		 1072 switch (type_gather->u.side_integer.type.integer_size) {
1073 case 1:
65b8734a 1074 return (uint64_t) value.side_u8;
88bab79c 1075 case 2:
65b8734a 1076 return (uint64_t) value.side_u16;
88bab79c 1077 case 4:
65b8734a 1078 return (uint64_t) value.side_u32;
88bab79c 1079 case 8:
65b8734a
MD		 1080 return (uint64_t) value.side_u64;
1081 default:
1082 abort();
1083 }
1084}
1085
8ad2f385
MD		 1086static
1087uint32_t tracer_print_gather_bool_type(const struct side_type_gather *type_gather, const void *_ptr)
1088{
1089 enum side_type_gather_access_mode access_mode = type_gather->u.side_bool.access_mode;
88bab79c 1090 uint32_t bool_size_bytes = type_gather->u.side_bool.type.bool_size;
8ad2f385 1091 const char *ptr = (const char *) _ptr;
d6f684e4 1092 union side_bool_value value;
8ad2f385 1093
88bab79c
MD		 1094 switch (bool_size_bytes) {
1095 case 1:
1096 case 2:
1097 case 4:
8ad2f385 1098 case 8:
8ad2f385
MD		 1099 break;
1100 default:
1101 abort();
1102 }
1103 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_bool.offset);
1104 memcpy(&value, ptr, bool_size_bytes);
1105 tracer_print_type_bool(":", &type_gather->u.side_bool.type, &value,
1106 type_gather->u.side_bool.offset_bits);
1107 return tracer_gather_size(access_mode, bool_size_bytes);
1108}
1109
d69918cc
MD		 1110static
1111uint32_t tracer_print_gather_byte_type(const struct side_type_gather *type_gather, const void *_ptr)
1112{
1113 enum side_type_gather_access_mode access_mode = type_gather->u.side_byte.access_mode;
1114 const char *ptr = (const char *) _ptr;
1115 uint8_t value;
1116
1117 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_byte.offset);
1118 memcpy(&value, ptr, 1);
1119 tracer_print_type_header(":", type_gather->u.side_byte.type.attr,
1120 type_gather->u.side_byte.type.nr_attr);
1121 printf("0x%" PRIx8, value);
1122 return tracer_gather_size(access_mode, 1);
1123}
1124
65b8734a 1125static
4e1b0e0e
MD		 1126uint32_t tracer_print_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr,
1127 enum tracer_display_base default_base)
65b8734a 1128{
d41cb7ee 1129 enum side_type_gather_access_mode access_mode = type_gather->u.side_integer.access_mode;
88bab79c 1130 uint32_t integer_size_bytes = type_gather->u.side_integer.type.integer_size;
65b8734a
MD		 1131 const char *ptr = (const char *) _ptr;
1132 union side_integer_value value;
7a1cb105 1133
88bab79c
MD		 1134 switch (integer_size_bytes) {
1135 case 1:
1136 case 2:
1137 case 4:
33956c71 1138 case 8:
9b641221 1139 break;
33956c71
MD		 1140 default:
1141 abort();
1142 }
d41cb7ee 1143 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_integer.offset);
dd7947bf 1144 memcpy(&value, ptr, integer_size_bytes);
d41cb7ee 1145 tracer_print_type_integer(":", &type_gather->u.side_integer.type, &value,
4e1b0e0e 1146 type_gather->u.side_integer.offset_bits, default_base);
d41cb7ee 1147 return tracer_gather_size(access_mode, integer_size_bytes);
33956c71 1148}
9b641221 1149
905f68e3 1150static
d41cb7ee 1151uint32_t tracer_print_gather_float_type(const struct side_type_gather *type_gather, const void *_ptr)
905f68e3 1152{
d41cb7ee 1153 enum side_type_gather_access_mode access_mode = type_gather->u.side_float.access_mode;
88bab79c 1154 uint32_t float_size_bytes = type_gather->u.side_float.type.float_size;
905f68e3
MD		 1155 const char *ptr = (const char *) _ptr;
1156 union side_float_value value;
1157
88bab79c
MD		 1158 switch (float_size_bytes) {
1159 case 2:
1160 case 4:
1161 case 8:
905f68e3 1162 case 16:
905f68e3
MD		 1163 break;
1164 default:
1165 abort();
1166 }
d41cb7ee 1167 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_float.offset);
dd7947bf 1168 memcpy(&value, ptr, float_size_bytes);
d41cb7ee
MD		 1169 tracer_print_type_float(":", &type_gather->u.side_float.type, &value);
1170 return tracer_gather_size(access_mode, float_size_bytes);
905f68e3
MD		 1171}
1172
33956c71 1173static
d41cb7ee 1174uint32_t tracer_print_gather_type(const struct side_type *type_desc, const void *ptr)
33956c71 1175{
d9359cfa
MD		 1176 uint32_t len;
1177
33956c71
MD		 1178 printf("{ ");
1179 switch (type_desc->type) {
8ad2f385
MD		 1180 case SIDE_TYPE_GATHER_BOOL:
1181 len = tracer_print_gather_bool_type(&type_desc->u.side_gather, ptr);
1182 break;
d69918cc
MD		 1183 case SIDE_TYPE_GATHER_BYTE:
1184 len = tracer_print_gather_byte_type(&type_desc->u.side_gather, ptr);
1185 break;
4e1b0e0e
MD		 1186 case SIDE_TYPE_GATHER_POINTER:
1187 len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr,
1188 TRACER_DISPLAY_BASE_16);
1189 break;
f9db30c3 1190 case SIDE_TYPE_GATHER_INTEGER:
4e1b0e0e
MD		 1191 len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr,
1192 TRACER_DISPLAY_BASE_10);
905f68e3 1193 break;
d41cb7ee
MD		 1194 case SIDE_TYPE_GATHER_FLOAT:
1195 len = tracer_print_gather_float_type(&type_desc->u.side_gather, ptr);
33956c71 1196 break;
d41cb7ee
MD		 1197 case SIDE_TYPE_GATHER_STRUCT:
1198 len = tracer_print_gather_struct(&type_desc->u.side_gather, ptr);
d9359cfa 1199 break;
d41cb7ee
MD		 1200 case SIDE_TYPE_GATHER_ARRAY:
1201 len = tracer_print_gather_array(&type_desc->u.side_gather, ptr);
9b641221 1202 break;
d41cb7ee 1203 case SIDE_TYPE_GATHER_VLA:
80429681 1204 len = tracer_print_gather_vla(&type_desc->u.side_gather, ptr, ptr);
65b8734a 1205 break;
9b641221 1206 default:
d41cb7ee 1207 fprintf(stderr, "<UNKNOWN GATHER TYPE>");
9b641221 1208 abort();
7a1cb105
MD		 1209 }
1210 printf(" }");
d9359cfa 1211 return len;
7a1cb105
MD		 1212}
1213
1214static
d41cb7ee 1215void tracer_print_gather_field(const struct side_event_field *field, const void *ptr)
7a1cb105 1216{
33956c71 1217 printf("%s: ", field->field_name);
d41cb7ee 1218 (void) tracer_print_gather_type(&field->side_type, ptr);
7a1cb105
MD		 1219}
1220
1221static
d41cb7ee 1222uint32_t tracer_print_gather_struct(const struct side_type_gather *type_gather, const void *_ptr)
7a1cb105 1223{
d41cb7ee 1224 enum side_type_gather_access_mode access_mode = type_gather->u.side_struct.access_mode;
dd7947bf 1225 const char *ptr = (const char *) _ptr;
e65f9ce5 1226 uint32_t i;
7a1cb105 1227
d41cb7ee
MD		 1228 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_struct.offset);
1229 print_attributes("attr", ":", type_gather->u.side_struct.type->attr, type_gather->u.side_struct.type->nr_attr);
1230 printf("%s", type_gather->u.side_struct.type->nr_attr ? ", " : "");
7a1cb105 1231 printf("fields: { ");
d41cb7ee 1232 for (i = 0; i < type_gather->u.side_struct.type->nr_fields; i++) {
7a1cb105 1233 printf("%s", i ? ", " : "");
d41cb7ee 1234 tracer_print_gather_field(&type_gather->u.side_struct.type->fields[i], ptr);
7a1cb105
MD		 1235 }
1236 printf(" }");
d41cb7ee 1237 return tracer_gather_size(access_mode, type_gather->u.side_struct.size);
7a1cb105
MD		 1238}
1239
f611d0c3 1240static
d41cb7ee 1241uint32_t tracer_print_gather_array(const struct side_type_gather *type_gather, const void *_ptr)
f611d0c3 1242{
d41cb7ee 1243 enum side_type_gather_access_mode access_mode = type_gather->u.side_array.access_mode;
dd7947bf 1244 const char *ptr = (const char *) _ptr, *orig_ptr;
d9359cfa 1245 uint32_t i;
f611d0c3 1246
d41cb7ee 1247 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_array.offset);
65b8734a 1248 orig_ptr = ptr;
d41cb7ee
MD		 1249 print_attributes("attr", ":", type_gather->u.side_array.type.attr, type_gather->u.side_array.type.nr_attr);
1250 printf("%s", type_gather->u.side_array.type.nr_attr ? ", " : "");
65b8734a
MD		 1251 printf("elements: ");
1252 printf("[ ");
d41cb7ee
MD		 1253 for (i = 0; i < type_gather->u.side_array.type.length; i++) {
1254 switch (type_gather->u.side_array.type.elem_type->type) {
1255 case SIDE_TYPE_GATHER_VLA:
1256 fprintf(stderr, "<gather VLA only supported within gather structures>\n");
65b8734a
MD		 1257 abort();
1258 default:
1259 break;
1260 }
1261 printf("%s", i ? ", " : "");
d41cb7ee 1262 ptr += tracer_print_gather_type(type_gather->u.side_array.type.elem_type, ptr);
65b8734a
MD		 1263 }
1264 printf(" ]");
d41cb7ee 1265 return tracer_gather_size(access_mode, ptr - orig_ptr);
65b8734a
MD		 1266}
1267
1268static
80429681
MD		 1269uint32_t tracer_print_gather_vla(const struct side_type_gather *type_gather, const void *_ptr,
1270 const void *_length_ptr)
65b8734a 1271{
d41cb7ee 1272 enum side_type_gather_access_mode access_mode = type_gather->u.side_vla.access_mode;
65b8734a 1273 const char *ptr = (const char *) _ptr, *orig_ptr;
80429681 1274 const char *length_ptr = (const char *) _length_ptr;
65b8734a
MD		 1275 uint32_t i, length;
1276
1277 /* Access length */
d41cb7ee 1278 switch (type_gather->u.side_vla.length_type->type) {
f9db30c3 1279 case SIDE_TYPE_GATHER_INTEGER:
65b8734a
MD		 1280 break;
1281 default:
d41cb7ee 1282 fprintf(stderr, "<gather VLA expects integer gather length type>\n");
65b8734a
MD		 1283 abort();
1284 }
80429681 1285 length = (uint32_t) tracer_load_gather_integer_type(&type_gather->u.side_vla.length_type->u.side_gather, length_ptr);
d41cb7ee 1286 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_vla.offset);
dd7947bf 1287 orig_ptr = ptr;
d41cb7ee
MD		 1288 print_attributes("attr", ":", type_gather->u.side_vla.type.attr, type_gather->u.side_vla.type.nr_attr);
1289 printf("%s", type_gather->u.side_vla.type.nr_attr ? ", " : "");
20574104 1290 printf("elements: ");
f611d0c3 1291 printf("[ ");
65b8734a 1292 for (i = 0; i < length; i++) {
d41cb7ee
MD		 1293 switch (type_gather->u.side_vla.type.elem_type->type) {
1294 case SIDE_TYPE_GATHER_VLA:
1295 fprintf(stderr, "<gather VLA only supported within gather structures>\n");
65b8734a
MD		 1296 abort();
1297 default:
1298 break;
1299 }
f611d0c3 1300 printf("%s", i ? ", " : "");
d41cb7ee 1301 ptr += tracer_print_gather_type(type_gather->u.side_vla.type.elem_type, ptr);
f611d0c3
MD		 1302 }
1303 printf(" ]");
d41cb7ee 1304 return tracer_gather_size(access_mode, ptr - orig_ptr);
f611d0c3
MD		 1305}
1306
352a4b77 1307struct tracer_visitor_priv {
66de373e 1308 const struct side_type *elem_type;
352a4b77
MD		 1309 int i;
1310};
1311
1312static
1313enum side_visitor_status tracer_write_elem_cb(const struct side_tracer_visitor_ctx *tracer_ctx,
66de373e 1314 const struct side_arg *elem)
352a4b77 1315{
e65f9ce5 1316 struct tracer_visitor_priv *tracer_priv = (struct tracer_visitor_priv *) tracer_ctx->priv;
352a4b77
MD		 1317
1318 printf("%s", tracer_priv->i++ ? ", " : "");
1319 tracer_print_type(tracer_priv->elem_type, elem);
1320 return SIDE_VISITOR_STATUS_OK;
1321}
1322
f611d0c3 1323static
66de373e 1324void tracer_print_vla_visitor(const struct side_type *type_desc, void *app_ctx)
f611d0c3
MD		 1325{
1326 enum side_visitor_status status;
352a4b77
MD		 1327 struct tracer_visitor_priv tracer_priv = {
1328 .elem_type = type_desc->u.side_vla_visitor.elem_type,
1329 .i = 0,
1330 };
1331 const struct side_tracer_visitor_ctx tracer_ctx = {
1332 .write_elem = tracer_write_elem_cb,
1333 .priv = &tracer_priv,
1334 };
f611d0c3 1335
905c328e 1336 print_attributes("attr", ":", type_desc->u.side_vla_visitor.attr, type_desc->u.side_vla_visitor.nr_attr);
d4328528 1337 printf("%s", type_desc->u.side_vla_visitor.nr_attr ? ", " : "");
20574104 1338 printf("elements: ");
352a4b77
MD		 1339 printf("[ ");
1340 status = type_desc->u.side_vla_visitor.visitor(&tracer_ctx, app_ctx);
1341 switch (status) {
1342 case SIDE_VISITOR_STATUS_OK:
1343 break;
1344 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1345 fprintf(stderr, "ERROR: Visitor error\n");
f611d0c3 1346 abort();
f611d0c3
MD		 1347 }
1348 printf(" ]");
f611d0c3
MD		 1349}
1350
a2e2357e 1351static
0c7abe2b 1352void tracer_print_dynamic_struct(const struct side_arg_dynamic_struct *dynamic_struct)
a2e2357e 1353{
0c7abe2b 1354 const struct side_arg_dynamic_field *fields = dynamic_struct->fields;
e65f9ce5 1355 uint32_t i, len = dynamic_struct->len;
465e5e7e 1356
905c328e 1357 print_attributes("attr", "::", dynamic_struct->attr, dynamic_struct->nr_attr);
8d20e708 1358 printf("%s", dynamic_struct->nr_attr ? ", " : "");
f0061366 1359 printf("fields:: ");
465e5e7e
MD		 1360 printf("[ ");
1361 for (i = 0; i < len; i++) {
1362 printf("%s", i ? ", " : "");
1363 printf("%s:: ", fields[i].field_name);
1364 tracer_print_dynamic(&fields[i].elem);
1365 }
1366 printf(" ]");
a2e2357e
MD		 1367}
1368
2b359235
MD		 1369struct tracer_dynamic_struct_visitor_priv {
1370 int i;
1371};
1372
1373static
1374enum side_visitor_status tracer_dynamic_struct_write_elem_cb(
1375 const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
0c7abe2b 1376 const struct side_arg_dynamic_field *dynamic_field)
2b359235 1377{
e65f9ce5
MD		 1378 struct tracer_dynamic_struct_visitor_priv *tracer_priv =
1379 (struct tracer_dynamic_struct_visitor_priv *) tracer_ctx->priv;
2b359235
MD		 1380
1381 printf("%s", tracer_priv->i++ ? ", " : "");
1382 printf("%s:: ", dynamic_field->field_name);
1383 tracer_print_dynamic(&dynamic_field->elem);
1384 return SIDE_VISITOR_STATUS_OK;
1385}
1386
a2e2357e 1387static
66de373e 1388void tracer_print_dynamic_struct_visitor(const struct side_arg *item)
a2e2357e 1389{
2b359235
MD		 1390 enum side_visitor_status status;
1391 struct tracer_dynamic_struct_visitor_priv tracer_priv = {
1392 .i = 0,
1393 };
1394 const struct side_tracer_dynamic_struct_visitor_ctx tracer_ctx = {
1395 .write_field = tracer_dynamic_struct_write_elem_cb,
1396 .priv = &tracer_priv,
1397 };
66de373e 1398 void *app_ctx = item->u.side_dynamic.side_dynamic_struct_visitor.app_ctx;
2b359235 1399
66de373e
MD		 1400 print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_struct_visitor.attr, item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr);
1401 printf("%s", item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr ? ", " : "");
f0061366 1402 printf("fields:: ");
2b359235 1403 printf("[ ");
66de373e 1404 status = item->u.side_dynamic.side_dynamic_struct_visitor.visitor(&tracer_ctx, app_ctx);
2b359235
MD		 1405 switch (status) {
1406 case SIDE_VISITOR_STATUS_OK:
1407 break;
1408 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1409 fprintf(stderr, "ERROR: Visitor error\n");
2b359235
MD		 1410 abort();
1411 }
1412 printf(" ]");
a2e2357e
MD		 1413}
1414
1415static
66de373e 1416void tracer_print_dynamic_vla(const struct side_arg_dynamic_vla *vla)
a2e2357e 1417{
66de373e 1418 const struct side_arg *sav = vla->sav;
e65f9ce5 1419 uint32_t i, side_sav_len = vla->len;
a2e2357e 1420
905c328e 1421 print_attributes("attr", "::", vla->attr, vla->nr_attr);
8d20e708 1422 printf("%s", vla->nr_attr ? ", " : "");
f0061366 1423 printf("elements:: ");
a2e2357e
MD		 1424 printf("[ ");
1425 for (i = 0; i < side_sav_len; i++) {
1426 printf("%s", i ? ", " : "");
1427 tracer_print_dynamic(&sav[i]);
1428 }
1429 printf(" ]");
1430}
1431
8ceca0cd
MD		 1432struct tracer_dynamic_vla_visitor_priv {
1433 int i;
1434};
1435
1436static
1437enum side_visitor_status tracer_dynamic_vla_write_elem_cb(
6a744a79 1438 const struct side_tracer_visitor_ctx *tracer_ctx,
66de373e 1439 const struct side_arg *elem)
8ceca0cd 1440{
e65f9ce5
MD		 1441 struct tracer_dynamic_vla_visitor_priv *tracer_priv =
1442 (struct tracer_dynamic_vla_visitor_priv *) tracer_ctx->priv;
8ceca0cd
MD		 1443
1444 printf("%s", tracer_priv->i++ ? ", " : "");
1445 tracer_print_dynamic(elem);
1446 return SIDE_VISITOR_STATUS_OK;
1447}
1448
a2e2357e 1449static
66de373e 1450void tracer_print_dynamic_vla_visitor(const struct side_arg *item)
a2e2357e 1451{
8ceca0cd
MD		 1452 enum side_visitor_status status;
1453 struct tracer_dynamic_vla_visitor_priv tracer_priv = {
1454 .i = 0,
1455 };
6a744a79 1456 const struct side_tracer_visitor_ctx tracer_ctx = {
8ceca0cd
MD		 1457 .write_elem = tracer_dynamic_vla_write_elem_cb,
1458 .priv = &tracer_priv,
1459 };
66de373e 1460 void *app_ctx = item->u.side_dynamic.side_dynamic_vla_visitor.app_ctx;
8ceca0cd 1461
66de373e
MD		 1462 print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_vla_visitor.attr, item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr);
1463 printf("%s", item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr ? ", " : "");
f0061366 1464 printf("elements:: ");
8ceca0cd 1465 printf("[ ");
66de373e 1466 status = item->u.side_dynamic.side_dynamic_vla_visitor.visitor(&tracer_ctx, app_ctx);
8ceca0cd
MD		 1467 switch (status) {
1468 case SIDE_VISITOR_STATUS_OK:
1469 break;
1470 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1471 fprintf(stderr, "ERROR: Visitor error\n");
8ceca0cd
MD		 1472 abort();
1473 }
1474 printf(" ]");
a2e2357e
MD		 1475}
1476
1477static
66de373e 1478void tracer_print_dynamic(const struct side_arg *item)
a2e2357e 1479{
808bd9bf 1480 printf("{ ");
66de373e
MD		 1481 switch (item->type) {
1482 case SIDE_TYPE_DYNAMIC_NULL:
1483 tracer_print_type_header("::", item->u.side_dynamic.side_null.attr, item->u.side_dynamic.side_null.nr_attr);
a2e2357e
MD		 1484 printf("<NULL TYPE>");
1485 break;
d6f684e4 1486
66de373e 1487 case SIDE_TYPE_DYNAMIC_BOOL:
d6f684e4 1488 tracer_print_type_bool("::", &item->u.side_dynamic.side_bool.type, &item->u.side_dynamic.side_bool.value, 0);
66de373e 1489 break;
d6f684e4 1490
f9db30c3 1491 case SIDE_TYPE_DYNAMIC_INTEGER:
66de373e 1492 tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0,
f0dafd60 1493 TRACER_DISPLAY_BASE_10);
a2e2357e 1494 break;
66de373e
MD		 1495 case SIDE_TYPE_DYNAMIC_BYTE:
1496 tracer_print_type_header("::", item->u.side_dynamic.side_byte.type.attr, item->u.side_dynamic.side_byte.type.nr_attr);
1497 printf("0x%" PRIx8, item->u.side_dynamic.side_byte.value);
199e7aa9 1498 break;
dd6e76cb 1499
452329a6 1500 case SIDE_TYPE_DYNAMIC_POINTER:
66de373e 1501 tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0,
f0dafd60 1502 TRACER_DISPLAY_BASE_16);
f5e650d7 1503 break;
199e7aa9 1504
e5b6a8ce 1505 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 1506 tracer_print_type_float("::", &item->u.side_dynamic.side_float.type,
1507 &item->u.side_dynamic.side_float.value);
fb25b355 1508 break;
3aa7ca5e 1509
66de373e
MD		 1510 case SIDE_TYPE_DYNAMIC_STRING:
1511 tracer_print_type_header("::", item->u.side_dynamic.side_string.type.attr, item->u.side_dynamic.side_string.type.nr_attr);
1512 printf("\"%s\"", (const char *)(uintptr_t) item->u.side_dynamic.side_string.value);
a2e2357e 1513 break;
66de373e
MD		 1514 case SIDE_TYPE_DYNAMIC_STRUCT:
1515 tracer_print_dynamic_struct(item->u.side_dynamic.side_dynamic_struct);
a2e2357e 1516 break;
66de373e 1517 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
c208889e 1518 tracer_print_dynamic_struct_visitor(item);
a2e2357e 1519 break;
66de373e
MD		 1520 case SIDE_TYPE_DYNAMIC_VLA:
1521 tracer_print_dynamic_vla(item->u.side_dynamic.side_dynamic_vla);
a2e2357e 1522 break;
66de373e 1523 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
a2e2357e
MD		 1524 tracer_print_dynamic_vla_visitor(item);
1525 break;
1526 default:
f6c02218 1527 fprintf(stderr, "<UNKNOWN TYPE>\n");
a2e2357e
MD		 1528 abort();
1529 }
808bd9bf 1530 printf(" }");
a2e2357e
MD		 1531}
1532
68f8cfbe
MD		 1533static
1534void tracer_print_static_fields(const struct side_event_description *desc,
9a6ca773 1535 const struct side_arg_vec *side_arg_vec,
e65f9ce5 1536 uint32_t *nr_items)
f611d0c3 1537{
9a6ca773 1538 const struct side_arg *sav = side_arg_vec->sav;
e65f9ce5 1539 uint32_t i, side_sav_len = side_arg_vec->len;
f611d0c3 1540
65010f43 1541 printf("provider: %s, event: %s", desc->provider_name, desc->event_name);
f611d0c3 1542 if (desc->nr_fields != side_sav_len) {
de1b3cd2 1543 fprintf(stderr, "ERROR: number of fields mismatch between description and arguments\n");
f611d0c3
MD		 1544 abort();
1545 }
905c328e 1546 print_attributes(", attr", ":", desc->attr, desc->nr_attr);
a848763d 1547 printf("%s", side_sav_len ? ", fields: [ " : "");
f611d0c3
MD		 1548 for (i = 0; i < side_sav_len; i++) {
1549 printf("%s", i ? ", " : "");
1550 tracer_print_field(&desc->fields[i], &sav[i]);
1551 }
68f8cfbe
MD		 1552 if (nr_items)
1553 *nr_items = i;
c7d338e2
MD		 1554 if (side_sav_len)
1555 printf(" ]");
68f8cfbe
MD		 1556}
1557
4a7d8700 1558void tracer_call(const struct side_event_description *desc,
9a6ca773 1559 const struct side_arg_vec *side_arg_vec,
4a7d8700 1560 void *priv __attribute__((unused)))
68f8cfbe 1561{
e65f9ce5 1562 uint32_t nr_fields = 0;
a848763d 1563
9a6ca773 1564 tracer_print_static_fields(desc, side_arg_vec, &nr_fields);
f611d0c3
MD		 1565 printf("\n");
1566}
19fa6aa2
MD		 1567
1568void tracer_call_variadic(const struct side_event_description *desc,
9a6ca773 1569 const struct side_arg_vec *side_arg_vec,
0c7abe2b 1570 const struct side_arg_dynamic_struct *var_struct,
4a7d8700 1571 void *priv __attribute__((unused)))
19fa6aa2 1572{
e65f9ce5 1573 uint32_t nr_fields = 0, i, var_struct_len = var_struct->len;
19fa6aa2 1574
9a6ca773 1575 tracer_print_static_fields(desc, side_arg_vec, &nr_fields);
68f8cfbe 1576
8a25ce77 1577 if (side_unlikely(!(desc->flags & SIDE_EVENT_FLAG_VARIADIC))) {
de1b3cd2 1578 fprintf(stderr, "ERROR: unexpected non-variadic event description\n");
8a25ce77
MD		 1579 abort();
1580 }
905c328e
MD		 1581 print_attributes(", attr ", "::", var_struct->attr, var_struct->nr_attr);
1582 printf("%s", var_struct_len ? ", fields:: [ " : "");
68f8cfbe 1583 for (i = 0; i < var_struct_len; i++, nr_fields++) {
c7d338e2 1584 printf("%s", i ? ", " : "");
68f8cfbe
MD		 1585 printf("%s:: ", var_struct->fields[i].field_name);
1586 tracer_print_dynamic(&var_struct->fields[i].elem);
19fa6aa2 1587 }
a848763d
MD		 1588 if (i)
1589 printf(" ]");
19fa6aa2
MD		 1590 printf("\n");
1591}
1e8aec23
MD		 1592
1593void tracer_event_notification(enum side_tracer_notification notif,
1594 struct side_event_description **events, uint32_t nr_events, void *priv)
1595{
1596 uint32_t i;
314c22c3 1597 int ret;
1e8aec23
MD		 1598
1599 printf("----------------------------------------------------------\n");
1600 printf("Tracer notified of events %s\n",
314c22c3 1601 notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS ? "inserted" : "removed");
1e8aec23
MD		 1602 for (i = 0; i < nr_events; i++) {
1603 struct side_event_description *event = events[i];
1604
1605 /* Skip NULL pointers */
1606 if (!event)
1607 continue;
1608 printf("provider: %s, event: %s\n",
1609 event->provider_name, event->event_name);
314c22c3
MD		 1610 if (notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS) {
1611 if (event->flags & SIDE_EVENT_FLAG_VARIADIC) {
1612 ret = side_tracer_callback_variadic_register(event, tracer_call_variadic, NULL);
1613 if (ret)
1614 abort();
1615 } else {
1616 ret = side_tracer_callback_register(event, tracer_call, NULL);
1617 if (ret)
1618 abort();
1619 }
1620 } else {
1621 if (event->flags & SIDE_EVENT_FLAG_VARIADIC) {
1622 ret = side_tracer_callback_variadic_unregister(event, tracer_call_variadic, NULL);
1623 if (ret)
1624 abort();
1625 } else {
1626 ret = side_tracer_callback_unregister(event, tracer_call, NULL);
1627 if (ret)
1628 abort();
1629 }
1630 }
1e8aec23
MD		 1631 }
1632 printf("----------------------------------------------------------\n");
1633}
1634
1635static __attribute__((constructor))
1636void tracer_init(void);
1637static
1638void tracer_init(void)
1639{
1640 tracer_handle = side_tracer_event_notification_register(tracer_event_notification, NULL);
1641 if (!tracer_handle)
1642 abort();
1643}
1644
1645static __attribute__((destructor))
1646void tracer_exit(void);
1647static
1648void tracer_exit(void)
1649{
1650 side_tracer_event_notification_unregister(tracer_handle);
1651}
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