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Dynamic type: remove repeated type size in type enum
[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:
e5b6a8ce
MD		 826 case SIDE_TYPE_DYNAMIC_UNSIGNED_INT:
827 case SIDE_TYPE_DYNAMIC_SIGNED_INT:
66de373e 828 case SIDE_TYPE_DYNAMIC_BYTE:
452329a6 829 case SIDE_TYPE_DYNAMIC_POINTER:
e5b6a8ce 830 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 831 case SIDE_TYPE_DYNAMIC_STRING:
832 case SIDE_TYPE_DYNAMIC_STRUCT:
833 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
834 case SIDE_TYPE_DYNAMIC_VLA:
835 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
836 break;
837 default:
838 fprintf(stderr, "ERROR: Unexpected dynamic type\n");
839 abort();
840 break;
841 }
842 break;
843
ba845af5 844 default:
a2e2357e 845 if (type_desc->type != item->type) {
de1b3cd2 846 fprintf(stderr, "ERROR: type mismatch between description and arguments\n");
ba845af5
MD		 847 abort();
848 }
849 break;
f611d0c3 850 }
d8be25de 851
bab5d6e4 852 if (type_desc->type == SIDE_TYPE_ENUM || type_desc->type == SIDE_TYPE_ENUM_BITMAP)
e65f9ce5 853 type = (enum side_type_label) type_desc->type;
d8be25de 854 else
e65f9ce5 855 type = (enum side_type_label) item->type;
d8be25de 856
a848763d 857 printf("{ ");
d8be25de 858 switch (type) {
9b641221
MD		 859 case SIDE_TYPE_NULL:
860 tracer_print_type_header(":", type_desc->u.side_null.attr, type_desc->u.side_null.nr_attr);
861 printf("<NULL TYPE>");
862 break;
863
4f40d951 864 case SIDE_TYPE_BOOL:
d6f684e4 865 tracer_print_type_bool(":", &type_desc->u.side_bool, &item->u.side_static.bool_value, 0);
4f40d951 866 break;
1d9c515c 867
56c21987 868 case SIDE_TYPE_U8:
f611d0c3 869 case SIDE_TYPE_U16:
f611d0c3 870 case SIDE_TYPE_U32:
f611d0c3 871 case SIDE_TYPE_U64:
f611d0c3 872 case SIDE_TYPE_S8:
f611d0c3 873 case SIDE_TYPE_S16:
f611d0c3 874 case SIDE_TYPE_S32:
f611d0c3 875 case SIDE_TYPE_S64:
66de373e 876 tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0,
f0dafd60 877 TRACER_DISPLAY_BASE_10);
f611d0c3 878 break;
56c21987 879
452329a6 880 case SIDE_TYPE_POINTER:
66de373e 881 tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0,
f0dafd60 882 TRACER_DISPLAY_BASE_16);
f5e650d7 883 break;
f0dafd60 884
f7653b43 885 case SIDE_TYPE_BYTE:
5f82db91 886 tracer_print_type_header(":", type_desc->u.side_byte.attr, type_desc->u.side_byte.nr_attr);
66de373e 887 printf("0x%" PRIx8, item->u.side_static.byte_value);
7aec0d09 888 break;
79f677ba 889
d8be25de
MD		 890 case SIDE_TYPE_ENUM:
891 print_enum(type_desc, item);
79f677ba
MD		 892 break;
893
bab5d6e4 894 case SIDE_TYPE_ENUM_BITMAP:
af6aa6e1 895 print_enum_bitmap(type_desc, item);
ea32e5fc
MD		 896 break;
897
fb25b355 898 case SIDE_TYPE_FLOAT_BINARY16:
fb25b355 899 case SIDE_TYPE_FLOAT_BINARY32:
fb25b355 900 case SIDE_TYPE_FLOAT_BINARY64:
fb25b355 901 case SIDE_TYPE_FLOAT_BINARY128:
66de373e 902 tracer_print_type_float(":", &type_desc->u.side_float, &item->u.side_static.float_value);
fb25b355 903 break;
3aa7ca5e 904
f611d0c3 905 case SIDE_TYPE_STRING:
5f82db91 906 tracer_print_type_header(":", type_desc->u.side_string.attr, type_desc->u.side_string.nr_attr);
66de373e 907 printf("\"%s\"", (const char *)(uintptr_t) item->u.side_static.string_value);
f611d0c3
MD		 908 break;
909 case SIDE_TYPE_STRUCT:
66de373e 910 tracer_print_struct(type_desc, item->u.side_static.side_struct);
f611d0c3 911 break;
d41cb7ee 912 case SIDE_TYPE_GATHER_STRUCT:
fb8c26c9 913 (void) tracer_print_gather_struct(&type_desc->u.side_gather, item->u.side_static.side_struct_gather_ptr);
d9359cfa 914 break;
d41cb7ee 915 case SIDE_TYPE_GATHER_ARRAY:
fb8c26c9 916 (void) tracer_print_gather_array(&type_desc->u.side_gather, item->u.side_static.side_array_gather_ptr);
33956c71 917 break;
80429681
MD		 918 case SIDE_TYPE_GATHER_VLA:
919 (void) tracer_print_gather_vla(&type_desc->u.side_gather, item->u.side_static.side_vla_gather.ptr,
920 item->u.side_static.side_vla_gather.length_ptr);
921 break;
8ad2f385
MD		 922 case SIDE_TYPE_GATHER_BOOL:
923 (void) tracer_print_gather_bool_type(&type_desc->u.side_gather, item->u.side_static.side_bool_gather_ptr);
924 break;
d69918cc 925 case SIDE_TYPE_GATHER_BYTE:
fb8c26c9 926 (void) tracer_print_gather_byte_type(&type_desc->u.side_gather, item->u.side_static.side_byte_gather_ptr);
d69918cc 927 break;
4e1b0e0e
MD		 928 case SIDE_TYPE_GATHER_POINTER:
929 (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr,
930 TRACER_DISPLAY_BASE_16);
931 break;
d41cb7ee
MD		 932 case SIDE_TYPE_GATHER_UNSIGNED_INT:
933 case SIDE_TYPE_GATHER_SIGNED_INT:
4e1b0e0e
MD		 934 (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr,
935 TRACER_DISPLAY_BASE_10);
7a1cb105 936 break;
d41cb7ee
MD		 937 case SIDE_TYPE_GATHER_FLOAT:
938 (void) tracer_print_gather_float_type(&type_desc->u.side_gather, item->u.side_static.side_float_gather_ptr);
905f68e3 939 break;
f611d0c3 940 case SIDE_TYPE_ARRAY:
66de373e 941 tracer_print_array(type_desc, item->u.side_static.side_array);
f611d0c3
MD		 942 break;
943 case SIDE_TYPE_VLA:
66de373e 944 tracer_print_vla(type_desc, item->u.side_static.side_vla);
f611d0c3
MD		 945 break;
946 case SIDE_TYPE_VLA_VISITOR:
66de373e 947 tracer_print_vla_visitor(type_desc, item->u.side_static.side_vla_app_visitor_ctx);
f611d0c3 948 break;
66de373e
MD		 949
950 /* Dynamic types */
951 case SIDE_TYPE_DYNAMIC_NULL:
952 case SIDE_TYPE_DYNAMIC_BOOL:
e5b6a8ce
MD		 953 case SIDE_TYPE_DYNAMIC_UNSIGNED_INT:
954 case SIDE_TYPE_DYNAMIC_SIGNED_INT:
66de373e 955 case SIDE_TYPE_DYNAMIC_BYTE:
452329a6 956 case SIDE_TYPE_DYNAMIC_POINTER:
e5b6a8ce 957 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 958 case SIDE_TYPE_DYNAMIC_STRING:
959 case SIDE_TYPE_DYNAMIC_STRUCT:
960 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
961 case SIDE_TYPE_DYNAMIC_VLA:
962 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
963 tracer_print_dynamic(item);
a2e2357e 964 break;
f611d0c3 965 default:
f6c02218 966 fprintf(stderr, "<UNKNOWN TYPE>\n");
f611d0c3
MD		 967 abort();
968 }
a848763d 969 printf(" }");
f611d0c3
MD		 970}
971
972static
66de373e 973void tracer_print_field(const struct side_event_field *item_desc, const struct side_arg *item)
f611d0c3 974{
19fa6aa2 975 printf("%s: ", item_desc->field_name);
f611d0c3 976 tracer_print_type(&item_desc->side_type, item);
f611d0c3
MD		 977}
978
979static
9a6ca773 980void tracer_print_struct(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
f611d0c3 981{
9a6ca773 982 const struct side_arg *sav = side_arg_vec->sav;
e65f9ce5 983 uint32_t i, side_sav_len = side_arg_vec->len;
f611d0c3 984
c7a14585 985 if (type_desc->u.side_struct->nr_fields != side_sav_len) {
de1b3cd2 986 fprintf(stderr, "ERROR: number of fields mismatch between description and arguments of structure\n");
f611d0c3
MD		 987 abort();
988 }
905c328e 989 print_attributes("attr", ":", type_desc->u.side_struct->attr, type_desc->u.side_struct->nr_attr);
73b2b0c2
MD		 990 printf("%s", type_desc->u.side_struct->nr_attr ? ", " : "");
991 printf("fields: { ");
f611d0c3
MD		 992 for (i = 0; i < side_sav_len; i++) {
993 printf("%s", i ? ", " : "");
c7a14585 994 tracer_print_field(&type_desc->u.side_struct->fields[i], &sav[i]);
f611d0c3 995 }
d4328528 996 printf(" }");
f611d0c3
MD		 997}
998
7a1cb105 999static
d9359cfa
MD		 1000void tracer_print_array(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
1001{
1002 const struct side_arg *sav = side_arg_vec->sav;
1003 uint32_t i, side_sav_len = side_arg_vec->len;
1004
1005 if (type_desc->u.side_array.length != side_sav_len) {
1006 fprintf(stderr, "ERROR: length mismatch between description and arguments of array\n");
1007 abort();
1008 }
1009 print_attributes("attr", ":", type_desc->u.side_array.attr, type_desc->u.side_array.nr_attr);
1010 printf("%s", type_desc->u.side_array.nr_attr ? ", " : "");
1011 printf("elements: ");
1012 printf("[ ");
1013 for (i = 0; i < side_sav_len; i++) {
1014 printf("%s", i ? ", " : "");
1015 tracer_print_type(type_desc->u.side_array.elem_type, &sav[i]);
1016 }
1017 printf(" ]");
1018}
1019
1020static
1021void tracer_print_vla(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec)
1022{
1023 const struct side_arg *sav = side_arg_vec->sav;
1024 uint32_t i, side_sav_len = side_arg_vec->len;
1025
1026 print_attributes("attr", ":", type_desc->u.side_vla.attr, type_desc->u.side_vla.nr_attr);
1027 printf("%s", type_desc->u.side_vla.nr_attr ? ", " : "");
1028 printf("elements: ");
1029 printf("[ ");
1030 for (i = 0; i < side_sav_len; i++) {
1031 printf("%s", i ? ", " : "");
1032 tracer_print_type(type_desc->u.side_vla.elem_type, &sav[i]);
1033 }
1034 printf(" ]");
1035}
1036
dd7947bf 1037static
d41cb7ee 1038const char *tracer_gather_access(enum side_type_gather_access_mode access_mode, const char *ptr)
dd7947bf 1039{
65b8734a 1040 switch (access_mode) {
84c04cc8 1041 case SIDE_TYPE_GATHER_ACCESS_DIRECT:
dd7947bf 1042 return ptr;
d41cb7ee 1043 case SIDE_TYPE_GATHER_ACCESS_POINTER:
dd7947bf
MD		 1044 /* Dereference pointer */
1045 memcpy(&ptr, ptr, sizeof(ptr));
1046 return ptr;
1047 default:
1048 abort();
1049 }
1050}
1051
1052static
d41cb7ee 1053uint32_t tracer_gather_size(enum side_type_gather_access_mode access_mode, uint32_t len)
dd7947bf 1054{
65b8734a 1055 switch (access_mode) {
84c04cc8 1056 case SIDE_TYPE_GATHER_ACCESS_DIRECT:
dd7947bf 1057 return len;
d41cb7ee 1058 case SIDE_TYPE_GATHER_ACCESS_POINTER:
dd7947bf
MD		 1059 return sizeof(void *);
1060 default:
1061 abort();
1062 }
1063}
1064
d9359cfa 1065static
d41cb7ee 1066uint64_t tracer_load_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr)
7a1cb105 1067{
d41cb7ee 1068 enum side_type_gather_access_mode access_mode = type_gather->u.side_integer.access_mode;
88bab79c 1069 uint32_t integer_size_bytes = type_gather->u.side_integer.type.integer_size;
7a1cb105 1070 const char *ptr = (const char *) _ptr;
87405d12 1071 union side_integer_value value;
65b8734a 1072
d41cb7ee 1073 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_integer.offset);
65b8734a 1074 memcpy(&value, ptr, integer_size_bytes);
88bab79c
MD		 1075 switch (type_gather->u.side_integer.type.integer_size) {
1076 case 1:
65b8734a 1077 return (uint64_t) value.side_u8;
88bab79c 1078 case 2:
65b8734a 1079 return (uint64_t) value.side_u16;
88bab79c 1080 case 4:
65b8734a 1081 return (uint64_t) value.side_u32;
88bab79c 1082 case 8:
65b8734a
MD		 1083 return (uint64_t) value.side_u64;
1084 default:
1085 abort();
1086 }
1087}
1088
8ad2f385
MD		 1089static
1090uint32_t tracer_print_gather_bool_type(const struct side_type_gather *type_gather, const void *_ptr)
1091{
1092 enum side_type_gather_access_mode access_mode = type_gather->u.side_bool.access_mode;
88bab79c 1093 uint32_t bool_size_bytes = type_gather->u.side_bool.type.bool_size;
8ad2f385 1094 const char *ptr = (const char *) _ptr;
d6f684e4 1095 union side_bool_value value;
8ad2f385 1096
88bab79c
MD		 1097 switch (bool_size_bytes) {
1098 case 1:
1099 case 2:
1100 case 4:
8ad2f385 1101 case 8:
8ad2f385
MD		 1102 break;
1103 default:
1104 abort();
1105 }
1106 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_bool.offset);
1107 memcpy(&value, ptr, bool_size_bytes);
1108 tracer_print_type_bool(":", &type_gather->u.side_bool.type, &value,
1109 type_gather->u.side_bool.offset_bits);
1110 return tracer_gather_size(access_mode, bool_size_bytes);
1111}
1112
d69918cc
MD		 1113static
1114uint32_t tracer_print_gather_byte_type(const struct side_type_gather *type_gather, const void *_ptr)
1115{
1116 enum side_type_gather_access_mode access_mode = type_gather->u.side_byte.access_mode;
1117 const char *ptr = (const char *) _ptr;
1118 uint8_t value;
1119
1120 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_byte.offset);
1121 memcpy(&value, ptr, 1);
1122 tracer_print_type_header(":", type_gather->u.side_byte.type.attr,
1123 type_gather->u.side_byte.type.nr_attr);
1124 printf("0x%" PRIx8, value);
1125 return tracer_gather_size(access_mode, 1);
1126}
1127
65b8734a 1128static
4e1b0e0e
MD		 1129uint32_t tracer_print_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr,
1130 enum tracer_display_base default_base)
65b8734a 1131{
d41cb7ee 1132 enum side_type_gather_access_mode access_mode = type_gather->u.side_integer.access_mode;
88bab79c 1133 uint32_t integer_size_bytes = type_gather->u.side_integer.type.integer_size;
65b8734a
MD		 1134 const char *ptr = (const char *) _ptr;
1135 union side_integer_value value;
7a1cb105 1136
88bab79c
MD		 1137 switch (integer_size_bytes) {
1138 case 1:
1139 case 2:
1140 case 4:
33956c71 1141 case 8:
9b641221 1142 break;
33956c71
MD		 1143 default:
1144 abort();
1145 }
d41cb7ee 1146 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_integer.offset);
dd7947bf 1147 memcpy(&value, ptr, integer_size_bytes);
d41cb7ee 1148 tracer_print_type_integer(":", &type_gather->u.side_integer.type, &value,
4e1b0e0e 1149 type_gather->u.side_integer.offset_bits, default_base);
d41cb7ee 1150 return tracer_gather_size(access_mode, integer_size_bytes);
33956c71 1151}
9b641221 1152
905f68e3 1153static
d41cb7ee 1154uint32_t tracer_print_gather_float_type(const struct side_type_gather *type_gather, const void *_ptr)
905f68e3 1155{
d41cb7ee 1156 enum side_type_gather_access_mode access_mode = type_gather->u.side_float.access_mode;
88bab79c 1157 uint32_t float_size_bytes = type_gather->u.side_float.type.float_size;
905f68e3
MD		 1158 const char *ptr = (const char *) _ptr;
1159 union side_float_value value;
1160
88bab79c
MD		 1161 switch (float_size_bytes) {
1162 case 2:
1163 case 4:
1164 case 8:
905f68e3 1165 case 16:
905f68e3
MD		 1166 break;
1167 default:
1168 abort();
1169 }
d41cb7ee 1170 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_float.offset);
dd7947bf 1171 memcpy(&value, ptr, float_size_bytes);
d41cb7ee
MD		 1172 tracer_print_type_float(":", &type_gather->u.side_float.type, &value);
1173 return tracer_gather_size(access_mode, float_size_bytes);
905f68e3
MD		 1174}
1175
33956c71 1176static
d41cb7ee 1177uint32_t tracer_print_gather_type(const struct side_type *type_desc, const void *ptr)
33956c71 1178{
d9359cfa
MD		 1179 uint32_t len;
1180
33956c71
MD		 1181 printf("{ ");
1182 switch (type_desc->type) {
8ad2f385
MD		 1183 case SIDE_TYPE_GATHER_BOOL:
1184 len = tracer_print_gather_bool_type(&type_desc->u.side_gather, ptr);
1185 break;
d69918cc
MD		 1186 case SIDE_TYPE_GATHER_BYTE:
1187 len = tracer_print_gather_byte_type(&type_desc->u.side_gather, ptr);
1188 break;
4e1b0e0e
MD		 1189 case SIDE_TYPE_GATHER_POINTER:
1190 len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr,
1191 TRACER_DISPLAY_BASE_16);
1192 break;
d41cb7ee
MD		 1193 case SIDE_TYPE_GATHER_UNSIGNED_INT:
1194 case SIDE_TYPE_GATHER_SIGNED_INT:
4e1b0e0e
MD		 1195 len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr,
1196 TRACER_DISPLAY_BASE_10);
905f68e3 1197 break;
d41cb7ee
MD		 1198 case SIDE_TYPE_GATHER_FLOAT:
1199 len = tracer_print_gather_float_type(&type_desc->u.side_gather, ptr);
33956c71 1200 break;
d41cb7ee
MD		 1201 case SIDE_TYPE_GATHER_STRUCT:
1202 len = tracer_print_gather_struct(&type_desc->u.side_gather, ptr);
d9359cfa 1203 break;
d41cb7ee
MD		 1204 case SIDE_TYPE_GATHER_ARRAY:
1205 len = tracer_print_gather_array(&type_desc->u.side_gather, ptr);
9b641221 1206 break;
d41cb7ee 1207 case SIDE_TYPE_GATHER_VLA:
80429681 1208 len = tracer_print_gather_vla(&type_desc->u.side_gather, ptr, ptr);
65b8734a 1209 break;
9b641221 1210 default:
d41cb7ee 1211 fprintf(stderr, "<UNKNOWN GATHER TYPE>");
9b641221 1212 abort();
7a1cb105
MD		 1213 }
1214 printf(" }");
d9359cfa 1215 return len;
7a1cb105
MD		 1216}
1217
1218static
d41cb7ee 1219void tracer_print_gather_field(const struct side_event_field *field, const void *ptr)
7a1cb105 1220{
33956c71 1221 printf("%s: ", field->field_name);
d41cb7ee 1222 (void) tracer_print_gather_type(&field->side_type, ptr);
7a1cb105
MD		 1223}
1224
1225static
d41cb7ee 1226uint32_t tracer_print_gather_struct(const struct side_type_gather *type_gather, const void *_ptr)
7a1cb105 1227{
d41cb7ee 1228 enum side_type_gather_access_mode access_mode = type_gather->u.side_struct.access_mode;
dd7947bf 1229 const char *ptr = (const char *) _ptr;
e65f9ce5 1230 uint32_t i;
7a1cb105 1231
d41cb7ee
MD		 1232 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_struct.offset);
1233 print_attributes("attr", ":", type_gather->u.side_struct.type->attr, type_gather->u.side_struct.type->nr_attr);
1234 printf("%s", type_gather->u.side_struct.type->nr_attr ? ", " : "");
7a1cb105 1235 printf("fields: { ");
d41cb7ee 1236 for (i = 0; i < type_gather->u.side_struct.type->nr_fields; i++) {
7a1cb105 1237 printf("%s", i ? ", " : "");
d41cb7ee 1238 tracer_print_gather_field(&type_gather->u.side_struct.type->fields[i], ptr);
7a1cb105
MD		 1239 }
1240 printf(" }");
d41cb7ee 1241 return tracer_gather_size(access_mode, type_gather->u.side_struct.size);
7a1cb105
MD		 1242}
1243
f611d0c3 1244static
d41cb7ee 1245uint32_t tracer_print_gather_array(const struct side_type_gather *type_gather, const void *_ptr)
f611d0c3 1246{
d41cb7ee 1247 enum side_type_gather_access_mode access_mode = type_gather->u.side_array.access_mode;
dd7947bf 1248 const char *ptr = (const char *) _ptr, *orig_ptr;
d9359cfa 1249 uint32_t i;
f611d0c3 1250
d41cb7ee 1251 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_array.offset);
65b8734a 1252 orig_ptr = ptr;
d41cb7ee
MD		 1253 print_attributes("attr", ":", type_gather->u.side_array.type.attr, type_gather->u.side_array.type.nr_attr);
1254 printf("%s", type_gather->u.side_array.type.nr_attr ? ", " : "");
65b8734a
MD		 1255 printf("elements: ");
1256 printf("[ ");
d41cb7ee
MD		 1257 for (i = 0; i < type_gather->u.side_array.type.length; i++) {
1258 switch (type_gather->u.side_array.type.elem_type->type) {
1259 case SIDE_TYPE_GATHER_VLA:
1260 fprintf(stderr, "<gather VLA only supported within gather structures>\n");
65b8734a
MD		 1261 abort();
1262 default:
1263 break;
1264 }
1265 printf("%s", i ? ", " : "");
d41cb7ee 1266 ptr += tracer_print_gather_type(type_gather->u.side_array.type.elem_type, ptr);
65b8734a
MD		 1267 }
1268 printf(" ]");
d41cb7ee 1269 return tracer_gather_size(access_mode, ptr - orig_ptr);
65b8734a
MD		 1270}
1271
1272static
80429681
MD		 1273uint32_t tracer_print_gather_vla(const struct side_type_gather *type_gather, const void *_ptr,
1274 const void *_length_ptr)
65b8734a 1275{
d41cb7ee 1276 enum side_type_gather_access_mode access_mode = type_gather->u.side_vla.access_mode;
65b8734a 1277 const char *ptr = (const char *) _ptr, *orig_ptr;
80429681 1278 const char *length_ptr = (const char *) _length_ptr;
65b8734a
MD		 1279 uint32_t i, length;
1280
1281 /* Access length */
d41cb7ee
MD		 1282 switch (type_gather->u.side_vla.length_type->type) {
1283 case SIDE_TYPE_GATHER_UNSIGNED_INT:
1284 case SIDE_TYPE_GATHER_SIGNED_INT:
65b8734a
MD		 1285 break;
1286 default:
d41cb7ee 1287 fprintf(stderr, "<gather VLA expects integer gather length type>\n");
65b8734a
MD		 1288 abort();
1289 }
80429681 1290 length = (uint32_t) tracer_load_gather_integer_type(&type_gather->u.side_vla.length_type->u.side_gather, length_ptr);
d41cb7ee 1291 ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_vla.offset);
dd7947bf 1292 orig_ptr = ptr;
d41cb7ee
MD		 1293 print_attributes("attr", ":", type_gather->u.side_vla.type.attr, type_gather->u.side_vla.type.nr_attr);
1294 printf("%s", type_gather->u.side_vla.type.nr_attr ? ", " : "");
20574104 1295 printf("elements: ");
f611d0c3 1296 printf("[ ");
65b8734a 1297 for (i = 0; i < length; i++) {
d41cb7ee
MD		 1298 switch (type_gather->u.side_vla.type.elem_type->type) {
1299 case SIDE_TYPE_GATHER_VLA:
1300 fprintf(stderr, "<gather VLA only supported within gather structures>\n");
65b8734a
MD		 1301 abort();
1302 default:
1303 break;
1304 }
f611d0c3 1305 printf("%s", i ? ", " : "");
d41cb7ee 1306 ptr += tracer_print_gather_type(type_gather->u.side_vla.type.elem_type, ptr);
f611d0c3
MD		 1307 }
1308 printf(" ]");
d41cb7ee 1309 return tracer_gather_size(access_mode, ptr - orig_ptr);
f611d0c3
MD		 1310}
1311
352a4b77 1312struct tracer_visitor_priv {
66de373e 1313 const struct side_type *elem_type;
352a4b77
MD		 1314 int i;
1315};
1316
1317static
1318enum side_visitor_status tracer_write_elem_cb(const struct side_tracer_visitor_ctx *tracer_ctx,
66de373e 1319 const struct side_arg *elem)
352a4b77 1320{
e65f9ce5 1321 struct tracer_visitor_priv *tracer_priv = (struct tracer_visitor_priv *) tracer_ctx->priv;
352a4b77
MD		 1322
1323 printf("%s", tracer_priv->i++ ? ", " : "");
1324 tracer_print_type(tracer_priv->elem_type, elem);
1325 return SIDE_VISITOR_STATUS_OK;
1326}
1327
f611d0c3 1328static
66de373e 1329void tracer_print_vla_visitor(const struct side_type *type_desc, void *app_ctx)
f611d0c3
MD		 1330{
1331 enum side_visitor_status status;
352a4b77
MD		 1332 struct tracer_visitor_priv tracer_priv = {
1333 .elem_type = type_desc->u.side_vla_visitor.elem_type,
1334 .i = 0,
1335 };
1336 const struct side_tracer_visitor_ctx tracer_ctx = {
1337 .write_elem = tracer_write_elem_cb,
1338 .priv = &tracer_priv,
1339 };
f611d0c3 1340
905c328e 1341 print_attributes("attr", ":", type_desc->u.side_vla_visitor.attr, type_desc->u.side_vla_visitor.nr_attr);
d4328528 1342 printf("%s", type_desc->u.side_vla_visitor.nr_attr ? ", " : "");
20574104 1343 printf("elements: ");
352a4b77
MD		 1344 printf("[ ");
1345 status = type_desc->u.side_vla_visitor.visitor(&tracer_ctx, app_ctx);
1346 switch (status) {
1347 case SIDE_VISITOR_STATUS_OK:
1348 break;
1349 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1350 fprintf(stderr, "ERROR: Visitor error\n");
f611d0c3 1351 abort();
f611d0c3
MD		 1352 }
1353 printf(" ]");
f611d0c3
MD		 1354}
1355
a2e2357e 1356static
0c7abe2b 1357void tracer_print_dynamic_struct(const struct side_arg_dynamic_struct *dynamic_struct)
a2e2357e 1358{
0c7abe2b 1359 const struct side_arg_dynamic_field *fields = dynamic_struct->fields;
e65f9ce5 1360 uint32_t i, len = dynamic_struct->len;
465e5e7e 1361
905c328e 1362 print_attributes("attr", "::", dynamic_struct->attr, dynamic_struct->nr_attr);
8d20e708 1363 printf("%s", dynamic_struct->nr_attr ? ", " : "");
f0061366 1364 printf("fields:: ");
465e5e7e
MD		 1365 printf("[ ");
1366 for (i = 0; i < len; i++) {
1367 printf("%s", i ? ", " : "");
1368 printf("%s:: ", fields[i].field_name);
1369 tracer_print_dynamic(&fields[i].elem);
1370 }
1371 printf(" ]");
a2e2357e
MD		 1372}
1373
2b359235
MD		 1374struct tracer_dynamic_struct_visitor_priv {
1375 int i;
1376};
1377
1378static
1379enum side_visitor_status tracer_dynamic_struct_write_elem_cb(
1380 const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx,
0c7abe2b 1381 const struct side_arg_dynamic_field *dynamic_field)
2b359235 1382{
e65f9ce5
MD		 1383 struct tracer_dynamic_struct_visitor_priv *tracer_priv =
1384 (struct tracer_dynamic_struct_visitor_priv *) tracer_ctx->priv;
2b359235
MD		 1385
1386 printf("%s", tracer_priv->i++ ? ", " : "");
1387 printf("%s:: ", dynamic_field->field_name);
1388 tracer_print_dynamic(&dynamic_field->elem);
1389 return SIDE_VISITOR_STATUS_OK;
1390}
1391
a2e2357e 1392static
66de373e 1393void tracer_print_dynamic_struct_visitor(const struct side_arg *item)
a2e2357e 1394{
2b359235
MD		 1395 enum side_visitor_status status;
1396 struct tracer_dynamic_struct_visitor_priv tracer_priv = {
1397 .i = 0,
1398 };
1399 const struct side_tracer_dynamic_struct_visitor_ctx tracer_ctx = {
1400 .write_field = tracer_dynamic_struct_write_elem_cb,
1401 .priv = &tracer_priv,
1402 };
66de373e 1403 void *app_ctx = item->u.side_dynamic.side_dynamic_struct_visitor.app_ctx;
2b359235 1404
66de373e
MD		 1405 print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_struct_visitor.attr, item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr);
1406 printf("%s", item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr ? ", " : "");
f0061366 1407 printf("fields:: ");
2b359235 1408 printf("[ ");
66de373e 1409 status = item->u.side_dynamic.side_dynamic_struct_visitor.visitor(&tracer_ctx, app_ctx);
2b359235
MD		 1410 switch (status) {
1411 case SIDE_VISITOR_STATUS_OK:
1412 break;
1413 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1414 fprintf(stderr, "ERROR: Visitor error\n");
2b359235
MD		 1415 abort();
1416 }
1417 printf(" ]");
a2e2357e
MD		 1418}
1419
1420static
66de373e 1421void tracer_print_dynamic_vla(const struct side_arg_dynamic_vla *vla)
a2e2357e 1422{
66de373e 1423 const struct side_arg *sav = vla->sav;
e65f9ce5 1424 uint32_t i, side_sav_len = vla->len;
a2e2357e 1425
905c328e 1426 print_attributes("attr", "::", vla->attr, vla->nr_attr);
8d20e708 1427 printf("%s", vla->nr_attr ? ", " : "");
f0061366 1428 printf("elements:: ");
a2e2357e
MD		 1429 printf("[ ");
1430 for (i = 0; i < side_sav_len; i++) {
1431 printf("%s", i ? ", " : "");
1432 tracer_print_dynamic(&sav[i]);
1433 }
1434 printf(" ]");
1435}
1436
8ceca0cd
MD		 1437struct tracer_dynamic_vla_visitor_priv {
1438 int i;
1439};
1440
1441static
1442enum side_visitor_status tracer_dynamic_vla_write_elem_cb(
6a744a79 1443 const struct side_tracer_visitor_ctx *tracer_ctx,
66de373e 1444 const struct side_arg *elem)
8ceca0cd 1445{
e65f9ce5
MD		 1446 struct tracer_dynamic_vla_visitor_priv *tracer_priv =
1447 (struct tracer_dynamic_vla_visitor_priv *) tracer_ctx->priv;
8ceca0cd
MD		 1448
1449 printf("%s", tracer_priv->i++ ? ", " : "");
1450 tracer_print_dynamic(elem);
1451 return SIDE_VISITOR_STATUS_OK;
1452}
1453
a2e2357e 1454static
66de373e 1455void tracer_print_dynamic_vla_visitor(const struct side_arg *item)
a2e2357e 1456{
8ceca0cd
MD		 1457 enum side_visitor_status status;
1458 struct tracer_dynamic_vla_visitor_priv tracer_priv = {
1459 .i = 0,
1460 };
6a744a79 1461 const struct side_tracer_visitor_ctx tracer_ctx = {
8ceca0cd
MD		 1462 .write_elem = tracer_dynamic_vla_write_elem_cb,
1463 .priv = &tracer_priv,
1464 };
66de373e 1465 void *app_ctx = item->u.side_dynamic.side_dynamic_vla_visitor.app_ctx;
8ceca0cd 1466
66de373e
MD		 1467 print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_vla_visitor.attr, item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr);
1468 printf("%s", item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr ? ", " : "");
f0061366 1469 printf("elements:: ");
8ceca0cd 1470 printf("[ ");
66de373e 1471 status = item->u.side_dynamic.side_dynamic_vla_visitor.visitor(&tracer_ctx, app_ctx);
8ceca0cd
MD		 1472 switch (status) {
1473 case SIDE_VISITOR_STATUS_OK:
1474 break;
1475 case SIDE_VISITOR_STATUS_ERROR:
de1b3cd2 1476 fprintf(stderr, "ERROR: Visitor error\n");
8ceca0cd
MD		 1477 abort();
1478 }
1479 printf(" ]");
a2e2357e
MD		 1480}
1481
1482static
66de373e 1483void tracer_print_dynamic(const struct side_arg *item)
a2e2357e 1484{
808bd9bf 1485 printf("{ ");
66de373e
MD		 1486 switch (item->type) {
1487 case SIDE_TYPE_DYNAMIC_NULL:
1488 tracer_print_type_header("::", item->u.side_dynamic.side_null.attr, item->u.side_dynamic.side_null.nr_attr);
a2e2357e
MD		 1489 printf("<NULL TYPE>");
1490 break;
d6f684e4 1491
66de373e 1492 case SIDE_TYPE_DYNAMIC_BOOL:
d6f684e4 1493 tracer_print_type_bool("::", &item->u.side_dynamic.side_bool.type, &item->u.side_dynamic.side_bool.value, 0);
66de373e 1494 break;
d6f684e4 1495
e5b6a8ce
MD		 1496 case SIDE_TYPE_DYNAMIC_UNSIGNED_INT:
1497 case SIDE_TYPE_DYNAMIC_SIGNED_INT:
66de373e 1498 tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0,
f0dafd60 1499 TRACER_DISPLAY_BASE_10);
a2e2357e 1500 break;
66de373e
MD		 1501 case SIDE_TYPE_DYNAMIC_BYTE:
1502 tracer_print_type_header("::", item->u.side_dynamic.side_byte.type.attr, item->u.side_dynamic.side_byte.type.nr_attr);
1503 printf("0x%" PRIx8, item->u.side_dynamic.side_byte.value);
199e7aa9 1504 break;
dd6e76cb 1505
452329a6 1506 case SIDE_TYPE_DYNAMIC_POINTER:
66de373e 1507 tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0,
f0dafd60 1508 TRACER_DISPLAY_BASE_16);
f5e650d7 1509 break;
199e7aa9 1510
e5b6a8ce 1511 case SIDE_TYPE_DYNAMIC_FLOAT:
66de373e
MD		 1512 tracer_print_type_float("::", &item->u.side_dynamic.side_float.type,
1513 &item->u.side_dynamic.side_float.value);
fb25b355 1514 break;
3aa7ca5e 1515
66de373e
MD		 1516 case SIDE_TYPE_DYNAMIC_STRING:
1517 tracer_print_type_header("::", item->u.side_dynamic.side_string.type.attr, item->u.side_dynamic.side_string.type.nr_attr);
1518 printf("\"%s\"", (const char *)(uintptr_t) item->u.side_dynamic.side_string.value);
a2e2357e 1519 break;
66de373e
MD		 1520 case SIDE_TYPE_DYNAMIC_STRUCT:
1521 tracer_print_dynamic_struct(item->u.side_dynamic.side_dynamic_struct);
a2e2357e 1522 break;
66de373e 1523 case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR:
c208889e 1524 tracer_print_dynamic_struct_visitor(item);
a2e2357e 1525 break;
66de373e
MD		 1526 case SIDE_TYPE_DYNAMIC_VLA:
1527 tracer_print_dynamic_vla(item->u.side_dynamic.side_dynamic_vla);
a2e2357e 1528 break;
66de373e 1529 case SIDE_TYPE_DYNAMIC_VLA_VISITOR:
a2e2357e
MD		 1530 tracer_print_dynamic_vla_visitor(item);
1531 break;
1532 default:
f6c02218 1533 fprintf(stderr, "<UNKNOWN TYPE>\n");
a2e2357e
MD		 1534 abort();
1535 }
808bd9bf 1536 printf(" }");
a2e2357e
MD		 1537}
1538
68f8cfbe
MD		 1539static
1540void tracer_print_static_fields(const struct side_event_description *desc,
9a6ca773 1541 const struct side_arg_vec *side_arg_vec,
e65f9ce5 1542 uint32_t *nr_items)
f611d0c3 1543{
9a6ca773 1544 const struct side_arg *sav = side_arg_vec->sav;
e65f9ce5 1545 uint32_t i, side_sav_len = side_arg_vec->len;
f611d0c3 1546
65010f43 1547 printf("provider: %s, event: %s", desc->provider_name, desc->event_name);
f611d0c3 1548 if (desc->nr_fields != side_sav_len) {
de1b3cd2 1549 fprintf(stderr, "ERROR: number of fields mismatch between description and arguments\n");
f611d0c3
MD		 1550 abort();
1551 }
905c328e 1552 print_attributes(", attr", ":", desc->attr, desc->nr_attr);
a848763d 1553 printf("%s", side_sav_len ? ", fields: [ " : "");
f611d0c3
MD		 1554 for (i = 0; i < side_sav_len; i++) {
1555 printf("%s", i ? ", " : "");
1556 tracer_print_field(&desc->fields[i], &sav[i]);
1557 }
68f8cfbe
MD		 1558 if (nr_items)
1559 *nr_items = i;
c7d338e2
MD		 1560 if (side_sav_len)
1561 printf(" ]");
68f8cfbe
MD		 1562}
1563
4a7d8700 1564void tracer_call(const struct side_event_description *desc,
9a6ca773 1565 const struct side_arg_vec *side_arg_vec,
4a7d8700 1566 void *priv __attribute__((unused)))
68f8cfbe 1567{
e65f9ce5 1568 uint32_t nr_fields = 0;
a848763d 1569
9a6ca773 1570 tracer_print_static_fields(desc, side_arg_vec, &nr_fields);
f611d0c3
MD		 1571 printf("\n");
1572}
19fa6aa2
MD		 1573
1574void tracer_call_variadic(const struct side_event_description *desc,
9a6ca773 1575 const struct side_arg_vec *side_arg_vec,
0c7abe2b 1576 const struct side_arg_dynamic_struct *var_struct,
4a7d8700 1577 void *priv __attribute__((unused)))
19fa6aa2 1578{
e65f9ce5 1579 uint32_t nr_fields = 0, i, var_struct_len = var_struct->len;
19fa6aa2 1580
9a6ca773 1581 tracer_print_static_fields(desc, side_arg_vec, &nr_fields);
68f8cfbe 1582
8a25ce77 1583 if (side_unlikely(!(desc->flags & SIDE_EVENT_FLAG_VARIADIC))) {
de1b3cd2 1584 fprintf(stderr, "ERROR: unexpected non-variadic event description\n");
8a25ce77
MD		 1585 abort();
1586 }
905c328e
MD		 1587 print_attributes(", attr ", "::", var_struct->attr, var_struct->nr_attr);
1588 printf("%s", var_struct_len ? ", fields:: [ " : "");
68f8cfbe 1589 for (i = 0; i < var_struct_len; i++, nr_fields++) {
c7d338e2 1590 printf("%s", i ? ", " : "");
68f8cfbe
MD		 1591 printf("%s:: ", var_struct->fields[i].field_name);
1592 tracer_print_dynamic(&var_struct->fields[i].elem);
19fa6aa2 1593 }
a848763d
MD		 1594 if (i)
1595 printf(" ]");
19fa6aa2
MD		 1596 printf("\n");
1597}
1e8aec23
MD		 1598
1599void tracer_event_notification(enum side_tracer_notification notif,
1600 struct side_event_description **events, uint32_t nr_events, void *priv)
1601{
1602 uint32_t i;
314c22c3 1603 int ret;
1e8aec23
MD		 1604
1605 printf("----------------------------------------------------------\n");
1606 printf("Tracer notified of events %s\n",
314c22c3 1607 notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS ? "inserted" : "removed");
1e8aec23
MD		 1608 for (i = 0; i < nr_events; i++) {
1609 struct side_event_description *event = events[i];
1610
1611 /* Skip NULL pointers */
1612 if (!event)
1613 continue;
1614 printf("provider: %s, event: %s\n",
1615 event->provider_name, event->event_name);
314c22c3
MD		 1616 if (notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS) {
1617 if (event->flags & SIDE_EVENT_FLAG_VARIADIC) {
1618 ret = side_tracer_callback_variadic_register(event, tracer_call_variadic, NULL);
1619 if (ret)
1620 abort();
1621 } else {
1622 ret = side_tracer_callback_register(event, tracer_call, NULL);
1623 if (ret)
1624 abort();
1625 }
1626 } else {
1627 if (event->flags & SIDE_EVENT_FLAG_VARIADIC) {
1628 ret = side_tracer_callback_variadic_unregister(event, tracer_call_variadic, NULL);
1629 if (ret)
1630 abort();
1631 } else {
1632 ret = side_tracer_callback_unregister(event, tracer_call, NULL);
1633 if (ret)
1634 abort();
1635 }
1636 }
1e8aec23
MD		 1637 }
1638 printf("----------------------------------------------------------\n");
1639}
1640
1641static __attribute__((constructor))
1642void tracer_init(void);
1643static
1644void tracer_init(void)
1645{
1646 tracer_handle = side_tracer_event_notification_register(tracer_event_notification, NULL);
1647 if (!tracer_handle)
1648 abort();
1649}
1650
1651static __attribute__((destructor))
1652void tracer_exit(void);
1653static
1654void tracer_exit(void)
1655{
1656 side_tracer_event_notification_unregister(tracer_handle);
1657}
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