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273b65be JG |
1 | /* |
2 | * event-types.c | |
3 | * | |
4 | * Babeltrace CTF Writer | |
5 | * | |
6 | * Copyright 2013 EfficiOS Inc. | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-writer/event-types.h> | |
30 | #include <babeltrace/ctf-writer/event-types-internal.h> | |
31 | #include <babeltrace/ctf-writer/writer-internal.h> | |
32 | #include <babeltrace/compiler.h> | |
33 | #include <babeltrace/endian.h> | |
34 | #include <float.h> | |
35 | #include <inttypes.h> | |
36 | ||
37 | struct range_overlap_query { | |
38 | int64_t range_start, range_end; | |
39 | int overlaps; | |
40 | GQuark mapping_name; | |
41 | }; | |
42 | ||
43 | static | |
44 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *); | |
45 | static | |
46 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *); | |
47 | static | |
48 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *); | |
49 | static | |
50 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *); | |
51 | static | |
52 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *); | |
53 | static | |
54 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *); | |
55 | static | |
56 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *); | |
57 | static | |
58 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *); | |
59 | ||
60 | static | |
61 | void (* const type_destroy_funcs[])(struct bt_ctf_ref *) = { | |
62 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_destroy, | |
63 | [CTF_TYPE_ENUM] = | |
64 | bt_ctf_field_type_enumeration_destroy, | |
65 | [CTF_TYPE_FLOAT] = | |
66 | bt_ctf_field_type_floating_point_destroy, | |
67 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_destroy, | |
68 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_destroy, | |
69 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_destroy, | |
70 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_destroy, | |
71 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_destroy, | |
72 | }; | |
73 | ||
74 | static | |
75 | void generic_field_type_freeze(struct bt_ctf_field_type *); | |
76 | static | |
77 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); | |
78 | static | |
79 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); | |
80 | static | |
81 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); | |
82 | static | |
83 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); | |
84 | static | |
85 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); | |
86 | ||
87 | static | |
88 | type_freeze_func const type_freeze_funcs[] = { | |
89 | [CTF_TYPE_INTEGER] = generic_field_type_freeze, | |
90 | [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_freeze, | |
91 | [CTF_TYPE_FLOAT] = generic_field_type_freeze, | |
92 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_freeze, | |
93 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_freeze, | |
94 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_freeze, | |
95 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_freeze, | |
96 | [CTF_TYPE_STRING] = generic_field_type_freeze, | |
97 | }; | |
98 | ||
99 | static | |
100 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, | |
101 | struct metadata_context *); | |
102 | static | |
103 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, | |
104 | struct metadata_context *); | |
105 | static | |
106 | int bt_ctf_field_type_floating_point_serialize( | |
107 | struct bt_ctf_field_type *, struct metadata_context *); | |
108 | static | |
109 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, | |
110 | struct metadata_context *); | |
111 | static | |
112 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, | |
113 | struct metadata_context *); | |
114 | static | |
115 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, | |
116 | struct metadata_context *); | |
117 | static | |
118 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, | |
119 | struct metadata_context *); | |
120 | static | |
121 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, | |
122 | struct metadata_context *); | |
123 | ||
124 | static | |
125 | type_serialize_func const type_serialize_funcs[] = { | |
126 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_serialize, | |
127 | [CTF_TYPE_ENUM] = | |
128 | bt_ctf_field_type_enumeration_serialize, | |
129 | [CTF_TYPE_FLOAT] = | |
130 | bt_ctf_field_type_floating_point_serialize, | |
131 | [CTF_TYPE_STRUCT] = | |
132 | bt_ctf_field_type_structure_serialize, | |
133 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_serialize, | |
134 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_serialize, | |
135 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_serialize, | |
136 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_serialize, | |
137 | }; | |
138 | ||
139 | static | |
140 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, | |
141 | int byte_order); | |
142 | static | |
143 | void bt_ctf_field_type_floating_point_set_byte_order( | |
144 | struct bt_ctf_field_type *, int byte_order); | |
145 | ||
146 | static | |
147 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, | |
148 | int) = { | |
149 | [CTF_TYPE_INTEGER] = | |
150 | bt_ctf_field_type_integer_set_byte_order, | |
151 | [CTF_TYPE_FLOAT] = | |
152 | bt_ctf_field_type_floating_point_set_byte_order, | |
153 | [CTF_TYPE_ENUM ... CTF_TYPE_SEQUENCE] = NULL, | |
154 | }; | |
155 | ||
156 | ||
157 | static | |
158 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) | |
159 | { | |
160 | g_free(mapping); | |
161 | } | |
162 | ||
163 | static | |
164 | void destroy_structure_field(struct structure_field *field) | |
165 | { | |
166 | if (field->type) { | |
167 | bt_ctf_field_type_put(field->type); | |
168 | } | |
169 | ||
170 | g_free(field); | |
171 | } | |
172 | ||
173 | static | |
174 | void check_ranges_overlap(gpointer element, gpointer query) | |
175 | { | |
176 | struct enumeration_mapping *mapping = element; | |
177 | struct range_overlap_query *overlap_query = query; | |
178 | ||
179 | if (mapping->range_start <= overlap_query->range_end | |
180 | && overlap_query->range_start <= mapping->range_end) { | |
181 | overlap_query->overlaps = 1; | |
182 | overlap_query->mapping_name = mapping->string; | |
183 | } | |
184 | ||
185 | overlap_query->overlaps |= | |
186 | mapping->string == overlap_query->mapping_name; | |
187 | } | |
188 | ||
189 | static | |
190 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type) | |
191 | { | |
192 | enum ctf_type_id type_id = type->declaration->id; | |
193 | ||
194 | assert(type && (type_id > CTF_TYPE_UNKNOWN) && | |
195 | (type_id < NR_CTF_TYPES)); | |
196 | ||
197 | bt_ctf_ref_init(&type->ref_count); | |
198 | type->freeze = type_freeze_funcs[type_id]; | |
199 | type->serialize = type_serialize_funcs[type_id]; | |
200 | bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE); | |
201 | type->declaration->alignment = 1; | |
202 | } | |
203 | ||
204 | static | |
205 | int add_structure_field(GPtrArray *fields, | |
206 | GHashTable *field_name_to_index, | |
207 | struct bt_ctf_field_type *field_type, | |
208 | const char *field_name) | |
209 | { | |
210 | int ret = 0; | |
211 | GQuark name_quark = g_quark_from_string(field_name); | |
212 | struct structure_field *field; | |
213 | ||
214 | /* Make sure structure does not contain a field of the same name */ | |
215 | if (g_hash_table_contains(field_name_to_index, | |
216 | GUINT_TO_POINTER(name_quark))) { | |
217 | ret = -1; | |
218 | goto end; | |
219 | } | |
220 | ||
221 | field = g_new0(struct structure_field, 1); | |
222 | if (!field) { | |
223 | ret = -1; | |
224 | goto end; | |
225 | } | |
226 | ||
227 | bt_ctf_field_type_get(field_type); | |
228 | field->name = name_quark; | |
229 | field->type = field_type; | |
230 | g_hash_table_insert(field_name_to_index, | |
231 | (gpointer) (unsigned long) name_quark, | |
232 | (gpointer) (unsigned long) fields->len); | |
233 | g_ptr_array_add(fields, field); | |
234 | bt_ctf_field_type_freeze(field_type); | |
235 | end: | |
236 | return ret; | |
237 | } | |
238 | ||
239 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) | |
240 | { | |
241 | struct bt_ctf_field_type_integer *integer = | |
242 | g_new0(struct bt_ctf_field_type_integer, 1); | |
243 | ||
244 | if (!integer || size > 64) { | |
245 | return NULL; | |
246 | } | |
247 | ||
248 | integer->parent.declaration = &integer->declaration.p; | |
249 | integer->parent.declaration->id = CTF_TYPE_INTEGER; | |
250 | integer->declaration.len = size; | |
251 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; | |
252 | integer->declaration.encoding = CTF_STRING_NONE; | |
253 | bt_ctf_field_type_init(&integer->parent); | |
254 | return &integer->parent; | |
255 | } | |
256 | ||
257 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, | |
258 | int is_signed) | |
259 | { | |
260 | int ret = 0; | |
261 | struct bt_ctf_field_type_integer *integer; | |
262 | ||
263 | if (!type || type->frozen || | |
264 | type->declaration->id != CTF_TYPE_INTEGER) { | |
265 | ret = -1; | |
266 | goto end; | |
267 | } | |
268 | ||
269 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
270 | if (is_signed && integer->declaration.len <= 1) { | |
271 | ret = -1; | |
272 | goto end; | |
273 | } | |
274 | ||
275 | integer->declaration.signedness = !!is_signed; | |
276 | end: | |
277 | return ret; | |
278 | } | |
279 | ||
280 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, | |
281 | enum bt_ctf_integer_base base) | |
282 | { | |
283 | int ret = 0; | |
284 | ||
285 | if (!type || type->frozen || | |
286 | type->declaration->id != CTF_TYPE_INTEGER) { | |
287 | ret = -1; | |
288 | goto end; | |
289 | } | |
290 | ||
291 | switch (base) { | |
292 | case BT_CTF_INTEGER_BASE_BINARY: | |
293 | case BT_CTF_INTEGER_BASE_OCTAL: | |
294 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
295 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
296 | { | |
297 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
298 | struct bt_ctf_field_type_integer, parent); | |
299 | integer->declaration.base = base; | |
300 | break; | |
301 | } | |
302 | default: | |
303 | ret = -1; | |
304 | } | |
305 | end: | |
306 | return ret; | |
307 | } | |
308 | ||
309 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, | |
310 | enum ctf_string_encoding encoding) | |
311 | { | |
312 | int ret = 0; | |
313 | struct bt_ctf_field_type_integer *integer; | |
314 | ||
315 | if (!type || type->frozen || | |
316 | (type->declaration->id != CTF_TYPE_INTEGER) || | |
317 | (encoding < CTF_STRING_NONE) || | |
318 | (encoding >= CTF_STRING_UNKNOWN)) { | |
319 | ret = -1; | |
320 | goto end; | |
321 | } | |
322 | ||
323 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
324 | integer->declaration.encoding = encoding; | |
325 | end: | |
326 | return ret; | |
327 | } | |
328 | ||
329 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( | |
330 | struct bt_ctf_field_type *integer_container_type) | |
331 | { | |
332 | struct bt_ctf_field_type_enumeration *enumeration = NULL; | |
333 | ||
334 | if (!integer_container_type) { | |
335 | goto error; | |
336 | } | |
337 | ||
338 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); | |
339 | if (!enumeration) { | |
340 | goto error; | |
341 | } | |
342 | ||
343 | enumeration->parent.declaration = &enumeration->declaration.p; | |
344 | enumeration->parent.declaration->id = CTF_TYPE_ENUM; | |
345 | bt_ctf_field_type_get(integer_container_type); | |
346 | enumeration->container = integer_container_type; | |
347 | enumeration->entries = g_ptr_array_new_with_free_func( | |
348 | (GDestroyNotify)destroy_enumeration_mapping); | |
349 | bt_ctf_field_type_init(&enumeration->parent); | |
350 | return &enumeration->parent; | |
351 | error: | |
352 | g_free(enumeration); | |
353 | return NULL; | |
354 | } | |
355 | ||
356 | int bt_ctf_field_type_enumeration_add_mapping( | |
357 | struct bt_ctf_field_type *type, const char *string, | |
358 | int64_t range_start, int64_t range_end) | |
359 | { | |
360 | int ret = 0; | |
361 | GQuark mapping_name; | |
362 | struct enumeration_mapping *mapping; | |
363 | struct bt_ctf_field_type_enumeration *enumeration; | |
364 | struct range_overlap_query query; | |
365 | ||
366 | if (!type || (type->declaration->id != CTF_TYPE_ENUM) || | |
367 | type->frozen || | |
368 | (range_end < range_start)) { | |
369 | ret = -1; | |
370 | goto end; | |
371 | } | |
372 | ||
373 | if (validate_identifier(string)) { | |
374 | ret = -1; | |
375 | goto end; | |
376 | } | |
377 | ||
378 | mapping_name = g_quark_from_string(string); | |
379 | query = (struct range_overlap_query) { .range_start = range_start, | |
380 | .range_end = range_end, | |
381 | .mapping_name = mapping_name, | |
382 | .overlaps = 0 }; | |
383 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
384 | parent); | |
385 | ||
386 | /* Check that the range does not overlap with one already present */ | |
387 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); | |
388 | if (query.overlaps) { | |
389 | ret = -1; | |
390 | goto end; | |
391 | } | |
392 | ||
393 | mapping = g_new(struct enumeration_mapping, 1); | |
394 | if (!mapping) { | |
395 | ret = -1; | |
396 | goto end; | |
397 | } | |
398 | ||
399 | *mapping = (struct enumeration_mapping) {.range_start = range_start, | |
400 | .range_end = range_end, .string = mapping_name}; | |
401 | g_ptr_array_add(enumeration->entries, mapping); | |
402 | end: | |
403 | return ret; | |
404 | } | |
405 | ||
406 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) | |
407 | { | |
408 | struct bt_ctf_field_type_floating_point *floating_point = | |
409 | g_new0(struct bt_ctf_field_type_floating_point, 1); | |
410 | ||
411 | if (!floating_point) { | |
412 | goto end; | |
413 | } | |
414 | ||
415 | floating_point->declaration.sign = &floating_point->sign; | |
416 | floating_point->declaration.mantissa = &floating_point->mantissa; | |
417 | floating_point->declaration.exp = &floating_point->exp; | |
418 | floating_point->sign.len = 1; | |
419 | floating_point->parent.declaration = &floating_point->declaration.p; | |
420 | floating_point->parent.declaration->id = CTF_TYPE_FLOAT; | |
421 | floating_point->declaration.exp->len = | |
422 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; | |
423 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; | |
424 | floating_point->sign.p.alignment = 1; | |
425 | floating_point->mantissa.p.alignment = 1; | |
426 | floating_point->exp.p.alignment = 1; | |
427 | ||
428 | bt_ctf_field_type_init(&floating_point->parent); | |
429 | end: | |
430 | return floating_point ? &floating_point->parent : NULL; | |
431 | } | |
432 | ||
433 | int bt_ctf_field_type_floating_point_set_exponent_digits( | |
434 | struct bt_ctf_field_type *type, | |
435 | unsigned int exponent_digits) | |
436 | { | |
437 | int ret = 0; | |
438 | struct bt_ctf_field_type_floating_point *floating_point; | |
439 | ||
440 | if (!type || type->frozen || | |
441 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
442 | ret = -1; | |
443 | goto end; | |
444 | } | |
445 | ||
446 | floating_point = container_of(type, | |
447 | struct bt_ctf_field_type_floating_point, parent); | |
448 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && | |
449 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && | |
450 | (exponent_digits != | |
451 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { | |
452 | ret = -1; | |
453 | goto end; | |
454 | } | |
455 | ||
456 | floating_point->declaration.exp->len = exponent_digits; | |
457 | end: | |
458 | return ret; | |
459 | } | |
460 | ||
461 | int bt_ctf_field_type_floating_point_set_mantissa_digits( | |
462 | struct bt_ctf_field_type *type, | |
463 | unsigned int mantissa_digits) | |
464 | { | |
465 | int ret = 0; | |
466 | struct bt_ctf_field_type_floating_point *floating_point; | |
467 | ||
468 | if (!type || type->frozen || | |
469 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
470 | ret = -1; | |
471 | goto end; | |
472 | } | |
473 | ||
474 | floating_point = container_of(type, | |
475 | struct bt_ctf_field_type_floating_point, parent); | |
476 | ||
477 | if ((mantissa_digits != FLT_MANT_DIG) && | |
478 | (mantissa_digits != DBL_MANT_DIG) && | |
479 | (mantissa_digits != LDBL_MANT_DIG)) { | |
480 | ret = -1; | |
481 | goto end; | |
482 | } | |
483 | ||
484 | floating_point->declaration.mantissa->len = mantissa_digits - 1; | |
485 | end: | |
486 | return ret; | |
487 | } | |
488 | ||
489 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) | |
490 | { | |
491 | struct bt_ctf_field_type_structure *structure = | |
492 | g_new0(struct bt_ctf_field_type_structure, 1); | |
493 | ||
494 | if (!structure) { | |
495 | goto error; | |
496 | } | |
497 | ||
498 | structure->parent.declaration = &structure->declaration.p; | |
499 | structure->parent.declaration->id = CTF_TYPE_STRUCT; | |
500 | bt_ctf_field_type_init(&structure->parent); | |
501 | structure->fields = g_ptr_array_new_with_free_func( | |
502 | (GDestroyNotify)destroy_structure_field); | |
503 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); | |
504 | return &structure->parent; | |
505 | error: | |
506 | return NULL; | |
507 | } | |
508 | ||
509 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, | |
510 | struct bt_ctf_field_type *field_type, | |
511 | const char *field_name) | |
512 | { | |
513 | int ret = 0; | |
514 | struct bt_ctf_field_type_structure *structure; | |
515 | ||
516 | if (!type || !field_type || type->frozen || | |
517 | validate_identifier(field_name) || | |
518 | (type->declaration->id != CTF_TYPE_STRUCT)) { | |
519 | goto end; | |
520 | } | |
521 | ||
522 | structure = container_of(type, | |
523 | struct bt_ctf_field_type_structure, parent); | |
524 | if (add_structure_field(structure->fields, | |
525 | structure->field_name_to_index, field_type, field_name)) { | |
526 | ret = -1; | |
527 | goto end; | |
528 | } | |
529 | ||
530 | if (type->declaration->alignment < field_type->declaration->alignment) { | |
531 | type->declaration->alignment = | |
532 | field_type->declaration->alignment; | |
533 | } | |
534 | end: | |
535 | return ret; | |
536 | } | |
537 | ||
538 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( | |
539 | struct bt_ctf_field_type *enum_tag, const char *tag_name) | |
540 | { | |
541 | struct bt_ctf_field_type_variant *variant = NULL; | |
542 | ||
543 | if (!enum_tag || validate_identifier(tag_name) || | |
544 | (enum_tag->declaration->id != CTF_TYPE_ENUM)) { | |
545 | goto error; | |
546 | } | |
547 | ||
548 | variant = g_new0(struct bt_ctf_field_type_variant, 1); | |
549 | if (!variant) { | |
550 | goto error; | |
551 | } | |
552 | ||
553 | variant->parent.declaration = &variant->declaration.p; | |
554 | variant->parent.declaration->id = CTF_TYPE_VARIANT; | |
555 | variant->tag_name = g_string_new(tag_name); | |
556 | bt_ctf_field_type_init(&variant->parent); | |
557 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); | |
558 | variant->fields = g_ptr_array_new_with_free_func( | |
559 | (GDestroyNotify)destroy_structure_field); | |
560 | bt_ctf_field_type_get(enum_tag); | |
561 | variant->tag = container_of(enum_tag, | |
562 | struct bt_ctf_field_type_enumeration, parent); | |
563 | return &variant->parent; | |
564 | error: | |
565 | return NULL; | |
566 | } | |
567 | ||
568 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, | |
569 | struct bt_ctf_field_type *field_type, | |
570 | const char *field_name) | |
571 | { | |
572 | size_t i; | |
573 | int ret = 0; | |
574 | int name_found = 0; | |
575 | struct bt_ctf_field_type_variant *variant; | |
576 | GQuark field_name_quark = g_quark_from_string(field_name); | |
577 | ||
578 | if (!type || !field_type || type->frozen || | |
579 | validate_identifier(field_name) || | |
580 | (type->declaration->id != CTF_TYPE_VARIANT)) { | |
581 | ret = -1; | |
582 | goto end; | |
583 | } | |
584 | ||
585 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
586 | /* Make sure this name is present in the enum tag */ | |
587 | for (i = 0; i < variant->tag->entries->len; i++) { | |
588 | struct enumeration_mapping *mapping = | |
589 | g_ptr_array_index(variant->tag->entries, i); | |
590 | ||
591 | if (mapping->string == field_name_quark) { | |
592 | name_found = 1; | |
593 | break; | |
594 | } | |
595 | } | |
596 | ||
597 | if (!name_found || add_structure_field(variant->fields, | |
598 | variant->field_name_to_index, field_type, field_name)) { | |
599 | ret = -1; | |
600 | goto end; | |
601 | } | |
602 | end: | |
603 | return ret; | |
604 | } | |
605 | ||
606 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( | |
607 | struct bt_ctf_field_type *element_type, | |
608 | unsigned int length) | |
609 | { | |
610 | struct bt_ctf_field_type_array *array = NULL; | |
611 | ||
612 | if (!element_type || length == 0) { | |
613 | goto error; | |
614 | } | |
615 | ||
616 | array = g_new0(struct bt_ctf_field_type_array, 1); | |
617 | if (!array) { | |
618 | goto error; | |
619 | } | |
620 | ||
621 | array->parent.declaration = &array->declaration.p; | |
622 | array->parent.declaration->id = CTF_TYPE_ARRAY; | |
623 | bt_ctf_field_type_init(&array->parent); | |
624 | bt_ctf_field_type_get(element_type); | |
625 | array->element_type = element_type; | |
626 | array->length = length; | |
627 | array->parent.declaration->alignment = | |
628 | element_type->declaration->alignment; | |
629 | return &array->parent; | |
630 | error: | |
631 | return NULL; | |
632 | } | |
633 | ||
634 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( | |
635 | struct bt_ctf_field_type *element_type, | |
636 | const char *length_field_name) | |
637 | { | |
638 | struct bt_ctf_field_type_sequence *sequence = NULL; | |
639 | ||
640 | if (!element_type || validate_identifier(length_field_name)) { | |
641 | goto error; | |
642 | } | |
643 | ||
644 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); | |
645 | if (!sequence) { | |
646 | goto error; | |
647 | } | |
648 | ||
649 | sequence->parent.declaration = &sequence->declaration.p; | |
650 | sequence->parent.declaration->id = CTF_TYPE_SEQUENCE; | |
651 | bt_ctf_field_type_init(&sequence->parent); | |
652 | bt_ctf_field_type_get(element_type); | |
653 | sequence->element_type = element_type; | |
654 | sequence->length_field_name = g_string_new(length_field_name); | |
655 | sequence->parent.declaration->alignment = | |
656 | element_type->declaration->alignment; | |
657 | return &sequence->parent; | |
658 | error: | |
659 | return NULL; | |
660 | } | |
661 | ||
662 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) | |
663 | { | |
664 | struct bt_ctf_field_type_string *string = | |
665 | g_new0(struct bt_ctf_field_type_string, 1); | |
666 | ||
667 | if (!string) { | |
668 | return NULL; | |
669 | } | |
670 | ||
671 | string->parent.declaration = &string->declaration.p; | |
672 | string->parent.declaration->id = CTF_TYPE_STRING; | |
673 | bt_ctf_field_type_init(&string->parent); | |
674 | string->declaration.encoding = CTF_STRING_UTF8; | |
675 | string->parent.declaration->alignment = CHAR_BIT; | |
676 | return &string->parent; | |
677 | } | |
678 | ||
679 | int bt_ctf_field_type_string_set_encoding( | |
680 | struct bt_ctf_field_type *type, | |
681 | enum ctf_string_encoding encoding) | |
682 | { | |
683 | int ret = 0; | |
684 | struct bt_ctf_field_type_string *string; | |
685 | ||
686 | if (!type || type->declaration->id != CTF_TYPE_STRING || | |
687 | (encoding != CTF_STRING_UTF8 && | |
688 | encoding != CTF_STRING_ASCII)) { | |
689 | ret = -1; | |
690 | goto end; | |
691 | } | |
692 | ||
693 | string = container_of(type, struct bt_ctf_field_type_string, parent); | |
694 | string->declaration.encoding = encoding; | |
695 | end: | |
696 | return ret; | |
697 | } | |
698 | ||
699 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, | |
700 | unsigned int alignment) | |
701 | { | |
702 | int ret = 0; | |
703 | ||
704 | /* Alignment must be bit-aligned (1) or byte aligned */ | |
705 | if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) { | |
706 | ret = -1; | |
707 | goto end; | |
708 | } | |
709 | ||
710 | if (type->declaration->id == CTF_TYPE_STRING && | |
711 | alignment != CHAR_BIT) { | |
712 | ret = -1; | |
713 | goto end; | |
714 | } | |
715 | ||
716 | type->declaration->alignment = alignment; | |
717 | ret = 0; | |
718 | end: | |
719 | return ret; | |
720 | } | |
721 | ||
722 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, | |
723 | enum bt_ctf_byte_order byte_order) | |
724 | { | |
725 | int ret = 0; | |
726 | int internal_byte_order; | |
727 | enum ctf_type_id type_id; | |
728 | ||
729 | if (!type || type->frozen) { | |
730 | ret = -1; | |
731 | goto end; | |
732 | } | |
733 | ||
734 | type_id = type->declaration->id; | |
735 | switch (byte_order) { | |
736 | case BT_CTF_BYTE_ORDER_NATIVE: | |
737 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN ? | |
738 | LITTLE_ENDIAN : BIG_ENDIAN); | |
739 | break; | |
740 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
741 | internal_byte_order = LITTLE_ENDIAN; | |
742 | break; | |
743 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
744 | case BT_CTF_BYTE_ORDER_NETWORK: | |
745 | internal_byte_order = BIG_ENDIAN; | |
746 | break; | |
747 | default: | |
748 | ret = -1; | |
749 | goto end; | |
750 | } | |
751 | ||
752 | if (set_byte_order_funcs[type_id]) { | |
753 | set_byte_order_funcs[type_id](type, internal_byte_order); | |
754 | } | |
755 | end: | |
756 | return ret; | |
757 | } | |
758 | ||
759 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) | |
760 | { | |
761 | if (!type) { | |
762 | return; | |
763 | } | |
764 | ||
765 | bt_ctf_ref_get(&type->ref_count); | |
766 | } | |
767 | ||
768 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) | |
769 | { | |
770 | enum ctf_type_id type_id; | |
771 | ||
772 | if (!type) { | |
773 | return; | |
774 | } | |
775 | ||
776 | type_id = type->declaration->id; | |
777 | assert(type_id > CTF_TYPE_UNKNOWN && type_id < NR_CTF_TYPES); | |
778 | bt_ctf_ref_put(&type->ref_count, type_destroy_funcs[type_id]); | |
779 | } | |
780 | ||
781 | BT_HIDDEN | |
782 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) | |
783 | { | |
784 | if (!type) { | |
785 | return; | |
786 | } | |
787 | ||
788 | type->freeze(type); | |
789 | } | |
790 | ||
791 | BT_HIDDEN | |
792 | enum ctf_type_id bt_ctf_field_type_get_type_id( | |
793 | struct bt_ctf_field_type *type) | |
794 | { | |
795 | if (!type) { | |
796 | return CTF_TYPE_UNKNOWN; | |
797 | } | |
798 | ||
799 | return type->declaration->id; | |
800 | } | |
801 | ||
802 | BT_HIDDEN | |
803 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type( | |
804 | struct bt_ctf_field_type_structure *structure, | |
805 | const char *name) | |
806 | { | |
807 | struct bt_ctf_field_type *type = NULL; | |
808 | struct structure_field *field; | |
809 | GQuark name_quark = g_quark_try_string(name); | |
810 | size_t index; | |
811 | ||
812 | if (!name_quark) { | |
813 | goto end; | |
814 | } | |
815 | ||
816 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
817 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
818 | goto end; | |
819 | } | |
820 | ||
821 | field = structure->fields->pdata[index]; | |
822 | type = field->type; | |
823 | end: | |
824 | return type; | |
825 | } | |
826 | ||
827 | BT_HIDDEN | |
828 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( | |
829 | struct bt_ctf_field_type_array *array) | |
830 | { | |
831 | assert(array); | |
832 | return array->element_type; | |
833 | } | |
834 | ||
835 | BT_HIDDEN | |
836 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( | |
837 | struct bt_ctf_field_type_sequence *sequence) | |
838 | { | |
839 | assert(sequence); | |
840 | return sequence->element_type; | |
841 | } | |
842 | ||
843 | BT_HIDDEN | |
844 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type( | |
845 | struct bt_ctf_field_type_variant *variant, | |
846 | int64_t tag_value) | |
847 | { | |
848 | struct bt_ctf_field_type *type = NULL; | |
849 | GQuark field_name_quark; | |
850 | gpointer index; | |
851 | struct structure_field *field_entry; | |
852 | struct range_overlap_query query = {.range_start = tag_value, | |
853 | .range_end = tag_value, .mapping_name = 0, .overlaps = 0}; | |
854 | ||
855 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, | |
856 | &query); | |
857 | if (!query.overlaps) { | |
858 | goto end; | |
859 | } | |
860 | ||
861 | field_name_quark = query.mapping_name; | |
862 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
863 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
864 | goto end; | |
865 | } | |
866 | ||
867 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); | |
868 | type = field_entry->type; | |
869 | end: | |
870 | return type; | |
871 | } | |
872 | ||
873 | BT_HIDDEN | |
874 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, | |
875 | struct metadata_context *context) | |
876 | { | |
877 | int ret; | |
878 | ||
879 | if (!type || !context) { | |
880 | ret = -1; | |
881 | goto end; | |
882 | } | |
883 | ||
884 | ret = type->serialize(type, context); | |
885 | end: | |
886 | return ret; | |
887 | } | |
888 | ||
889 | static | |
890 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref) | |
891 | { | |
892 | struct bt_ctf_field_type_integer *integer; | |
893 | ||
894 | if (!ref) { | |
895 | return; | |
896 | } | |
897 | ||
898 | integer = container_of( | |
899 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
900 | struct bt_ctf_field_type_integer, parent); | |
901 | g_free(integer); | |
902 | } | |
903 | ||
904 | static | |
905 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref) | |
906 | { | |
907 | struct bt_ctf_field_type_enumeration *enumeration; | |
908 | ||
909 | if (!ref) { | |
910 | return; | |
911 | } | |
912 | ||
913 | enumeration = container_of( | |
914 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
915 | struct bt_ctf_field_type_enumeration, parent); | |
916 | g_ptr_array_free(enumeration->entries, TRUE); | |
917 | bt_ctf_field_type_put(enumeration->container); | |
918 | g_free(enumeration); | |
919 | } | |
920 | ||
921 | static | |
922 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref) | |
923 | { | |
924 | struct bt_ctf_field_type_floating_point *floating_point; | |
925 | ||
926 | if (!ref) { | |
927 | return; | |
928 | } | |
929 | ||
930 | floating_point = container_of( | |
931 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
932 | struct bt_ctf_field_type_floating_point, parent); | |
933 | g_free(floating_point); | |
934 | } | |
935 | ||
936 | static | |
937 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref) | |
938 | { | |
939 | struct bt_ctf_field_type_structure *structure; | |
940 | ||
941 | if (!ref) { | |
942 | return; | |
943 | } | |
944 | ||
945 | structure = container_of( | |
946 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
947 | struct bt_ctf_field_type_structure, parent); | |
948 | g_ptr_array_free(structure->fields, TRUE); | |
949 | g_hash_table_destroy(structure->field_name_to_index); | |
950 | g_free(structure); | |
951 | } | |
952 | ||
953 | static | |
954 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref) | |
955 | { | |
956 | struct bt_ctf_field_type_variant *variant; | |
957 | ||
958 | if (!ref) { | |
959 | return; | |
960 | } | |
961 | ||
962 | variant = container_of( | |
963 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
964 | struct bt_ctf_field_type_variant, parent); | |
965 | g_ptr_array_free(variant->fields, TRUE); | |
966 | g_hash_table_destroy(variant->field_name_to_index); | |
967 | g_string_free(variant->tag_name, TRUE); | |
968 | bt_ctf_field_type_put(&variant->tag->parent); | |
969 | g_free(variant); | |
970 | } | |
971 | ||
972 | static | |
973 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref) | |
974 | { | |
975 | struct bt_ctf_field_type_array *array; | |
976 | ||
977 | if (!ref) { | |
978 | return; | |
979 | } | |
980 | ||
981 | array = container_of( | |
982 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
983 | struct bt_ctf_field_type_array, parent); | |
984 | bt_ctf_field_type_put(array->element_type); | |
985 | g_free(array); | |
986 | } | |
987 | ||
988 | static | |
989 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref) | |
990 | { | |
991 | struct bt_ctf_field_type_sequence *sequence; | |
992 | ||
993 | if (!ref) { | |
994 | return; | |
995 | } | |
996 | ||
997 | sequence = container_of( | |
998 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
999 | struct bt_ctf_field_type_sequence, parent); | |
1000 | bt_ctf_field_type_put(sequence->element_type); | |
1001 | g_string_free(sequence->length_field_name, TRUE); | |
1002 | g_free(sequence); | |
1003 | } | |
1004 | ||
1005 | static | |
1006 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref) | |
1007 | { | |
1008 | struct bt_ctf_field_type_string *string; | |
1009 | ||
1010 | if (!ref) { | |
1011 | return; | |
1012 | } | |
1013 | ||
1014 | string = container_of( | |
1015 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1016 | struct bt_ctf_field_type_string, parent); | |
1017 | g_free(string); | |
1018 | } | |
1019 | ||
1020 | static | |
1021 | void generic_field_type_freeze(struct bt_ctf_field_type *type) | |
1022 | { | |
1023 | type->frozen = 1; | |
1024 | } | |
1025 | ||
1026 | static | |
1027 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) | |
1028 | { | |
1029 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( | |
1030 | type, struct bt_ctf_field_type_enumeration, parent); | |
1031 | ||
1032 | generic_field_type_freeze(type); | |
1033 | bt_ctf_field_type_freeze(enumeration_type->container); | |
1034 | } | |
1035 | ||
1036 | static | |
1037 | void freeze_structure_field(struct structure_field *field) | |
1038 | { | |
1039 | bt_ctf_field_type_freeze(field->type); | |
1040 | } | |
1041 | ||
1042 | static | |
1043 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) | |
1044 | { | |
1045 | struct bt_ctf_field_type_structure *structure_type = container_of( | |
1046 | type, struct bt_ctf_field_type_structure, parent); | |
1047 | ||
1048 | generic_field_type_freeze(type); | |
1049 | g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field, | |
1050 | NULL); | |
1051 | } | |
1052 | ||
1053 | static | |
1054 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) | |
1055 | { | |
1056 | struct bt_ctf_field_type_variant *variant_type = container_of( | |
1057 | type, struct bt_ctf_field_type_variant, parent); | |
1058 | ||
1059 | generic_field_type_freeze(type); | |
1060 | g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field, | |
1061 | NULL); | |
1062 | } | |
1063 | ||
1064 | static | |
1065 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) | |
1066 | { | |
1067 | struct bt_ctf_field_type_array *array_type = container_of( | |
1068 | type, struct bt_ctf_field_type_array, parent); | |
1069 | ||
1070 | generic_field_type_freeze(type); | |
1071 | bt_ctf_field_type_freeze(array_type->element_type); | |
1072 | } | |
1073 | ||
1074 | static | |
1075 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) | |
1076 | { | |
1077 | struct bt_ctf_field_type_sequence *sequence_type = container_of( | |
1078 | type, struct bt_ctf_field_type_sequence, parent); | |
1079 | ||
1080 | generic_field_type_freeze(type); | |
1081 | bt_ctf_field_type_freeze(sequence_type->element_type); | |
1082 | } | |
1083 | ||
1084 | static | |
1085 | const char *get_encoding_string(enum ctf_string_encoding encoding) | |
1086 | { | |
1087 | const char *encoding_string; | |
1088 | ||
1089 | switch (encoding) { | |
1090 | case CTF_STRING_NONE: | |
1091 | encoding_string = "none"; | |
1092 | break; | |
1093 | case CTF_STRING_ASCII: | |
1094 | encoding_string = "ASCII"; | |
1095 | break; | |
1096 | case CTF_STRING_UTF8: | |
1097 | encoding_string = "UTF8"; | |
1098 | break; | |
1099 | default: | |
1100 | encoding_string = "unknown"; | |
1101 | break; | |
1102 | } | |
1103 | ||
1104 | return encoding_string; | |
1105 | } | |
1106 | ||
1107 | static | |
1108 | const char *get_integer_base_string(enum bt_ctf_integer_base base) | |
1109 | { | |
1110 | const char *base_string; | |
1111 | ||
1112 | switch (base) { | |
1113 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
1114 | base_string = "decimal"; | |
1115 | break; | |
1116 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
1117 | base_string = "hexadecimal"; | |
1118 | break; | |
1119 | case BT_CTF_INTEGER_BASE_OCTAL: | |
1120 | base_string = "octal"; | |
1121 | break; | |
1122 | case BT_CTF_INTEGER_BASE_BINARY: | |
1123 | base_string = "binary"; | |
1124 | break; | |
1125 | default: | |
1126 | base_string = "unknown"; | |
1127 | break; | |
1128 | } | |
1129 | ||
1130 | return base_string; | |
1131 | } | |
1132 | ||
1133 | static | |
1134 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, | |
1135 | struct metadata_context *context) | |
1136 | { | |
1137 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
1138 | struct bt_ctf_field_type_integer, parent); | |
1139 | ||
1140 | g_string_append_printf(context->string, | |
1141 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s; }", | |
1142 | integer->declaration.len, type->declaration->alignment, | |
1143 | (integer->declaration.signedness ? "true" : "false"), | |
1144 | get_encoding_string(integer->declaration.encoding), | |
1145 | get_integer_base_string(integer->declaration.base), | |
1146 | get_byte_order_string(integer->declaration.byte_order)); | |
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static | |
1151 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, | |
1152 | struct metadata_context *context) | |
1153 | { | |
1154 | size_t entry; | |
1155 | int ret = 0; | |
1156 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, | |
1157 | struct bt_ctf_field_type_enumeration, parent); | |
1158 | ||
1159 | g_string_append(context->string, "enum : "); | |
1160 | ret = bt_ctf_field_type_serialize(enumeration->container, context); | |
1161 | if (ret) { | |
1162 | goto end; | |
1163 | } | |
1164 | ||
1165 | g_string_append(context->string, " { "); | |
1166 | for (entry = 0; entry < enumeration->entries->len; entry++) { | |
1167 | struct enumeration_mapping *mapping = | |
1168 | enumeration->entries->pdata[entry]; | |
1169 | ||
1170 | if (mapping->range_start == mapping->range_end) { | |
1171 | g_string_append_printf(context->string, "%s = %" PRId64, | |
1172 | g_quark_to_string(mapping->string), | |
1173 | mapping->range_start); | |
1174 | } else { | |
1175 | g_string_append_printf(context->string, | |
1176 | "%s = %" PRId64 " ... %" PRId64, | |
1177 | g_quark_to_string(mapping->string), | |
1178 | mapping->range_start, mapping->range_end); | |
1179 | } | |
1180 | ||
1181 | g_string_append(context->string, | |
1182 | ((entry != (enumeration->entries->len - 1)) ? | |
1183 | ", " : " }")); | |
1184 | } | |
1185 | ||
1186 | if (context->field_name->len) { | |
1187 | g_string_append_printf(context->string, " %s", | |
1188 | context->field_name->str); | |
1189 | g_string_assign(context->field_name, ""); | |
1190 | } | |
1191 | end: | |
1192 | return ret; | |
1193 | } | |
1194 | ||
1195 | static | |
1196 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, | |
1197 | struct metadata_context *context) | |
1198 | { | |
1199 | struct bt_ctf_field_type_floating_point *floating_point = container_of( | |
1200 | type, struct bt_ctf_field_type_floating_point, parent); | |
1201 | ||
1202 | g_string_append_printf(context->string, | |
1203 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", | |
1204 | floating_point->declaration.exp->len, | |
1205 | floating_point->declaration.mantissa->len + 1, | |
1206 | get_byte_order_string(floating_point->declaration.byte_order), | |
1207 | type->declaration->alignment); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static | |
1212 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, | |
1213 | struct metadata_context *context) | |
1214 | { | |
1215 | size_t i; | |
1216 | unsigned int indent; | |
1217 | int ret = 0; | |
1218 | struct bt_ctf_field_type_structure *structure = container_of(type, | |
1219 | struct bt_ctf_field_type_structure, parent); | |
1220 | GString *structure_field_name = context->field_name; | |
1221 | ||
1222 | context->field_name = g_string_new(""); | |
1223 | ||
1224 | context->current_indentation_level++; | |
1225 | g_string_append(context->string, "struct {\n"); | |
1226 | ||
1227 | for (i = 0; i < structure->fields->len; i++) { | |
1228 | struct structure_field *field; | |
1229 | ||
1230 | for (indent = 0; indent < context->current_indentation_level; | |
1231 | indent++) { | |
1232 | g_string_append_c(context->string, '\t'); | |
1233 | } | |
1234 | ||
1235 | field = structure->fields->pdata[i]; | |
1236 | g_string_assign(context->field_name, | |
1237 | g_quark_to_string(field->name)); | |
1238 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1239 | if (ret) { | |
1240 | goto end; | |
1241 | } | |
1242 | ||
1243 | if (context->field_name->len) { | |
1244 | g_string_append_printf(context->string, " %s", | |
1245 | context->field_name->str); | |
1246 | } | |
1247 | g_string_append(context->string, ";\n"); | |
1248 | } | |
1249 | ||
1250 | context->current_indentation_level--; | |
1251 | for (indent = 0; indent < context->current_indentation_level; | |
1252 | indent++) { | |
1253 | g_string_append_c(context->string, '\t'); | |
1254 | } | |
1255 | ||
1256 | g_string_append_printf(context->string, "} align(%zu)", | |
1257 | type->declaration->alignment); | |
1258 | end: | |
1259 | g_string_free(context->field_name, TRUE); | |
1260 | context->field_name = structure_field_name; | |
1261 | return ret; | |
1262 | } | |
1263 | ||
1264 | static | |
1265 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, | |
1266 | struct metadata_context *context) | |
1267 | { | |
1268 | size_t i; | |
1269 | unsigned int indent; | |
1270 | int ret = 0; | |
1271 | struct bt_ctf_field_type_variant *variant = container_of( | |
1272 | type, struct bt_ctf_field_type_variant, parent); | |
1273 | GString *variant_field_name = context->field_name; | |
1274 | ||
1275 | context->field_name = g_string_new(""); | |
1276 | g_string_append_printf(context->string, | |
1277 | "variant <%s> {\n", variant->tag_name->str); | |
1278 | context->current_indentation_level++; | |
1279 | for (i = 0; i < variant->fields->len; i++) { | |
1280 | struct structure_field *field = variant->fields->pdata[i]; | |
1281 | ||
1282 | g_string_assign(context->field_name, | |
1283 | g_quark_to_string(field->name)); | |
1284 | for (indent = 0; indent < context->current_indentation_level; | |
1285 | indent++) { | |
1286 | g_string_append_c(context->string, '\t'); | |
1287 | } | |
1288 | ||
1289 | g_string_assign(context->field_name, | |
1290 | g_quark_to_string(field->name)); | |
1291 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1292 | if (ret) { | |
1293 | goto end; | |
1294 | } | |
1295 | ||
1296 | if (context->field_name->len) { | |
1297 | g_string_append_printf(context->string, " %s;", | |
1298 | context->field_name->str); | |
1299 | } | |
1300 | ||
1301 | g_string_append_c(context->string, '\n'); | |
1302 | } | |
1303 | ||
1304 | context->current_indentation_level--; | |
1305 | for (indent = 0; indent < context->current_indentation_level; | |
1306 | indent++) { | |
1307 | g_string_append_c(context->string, '\t'); | |
1308 | } | |
1309 | ||
1310 | g_string_append(context->string, "}"); | |
1311 | end: | |
1312 | g_string_free(context->field_name, TRUE); | |
1313 | context->field_name = variant_field_name; | |
1314 | return ret; | |
1315 | } | |
1316 | ||
1317 | static | |
1318 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, | |
1319 | struct metadata_context *context) | |
1320 | { | |
1321 | int ret = 0; | |
1322 | struct bt_ctf_field_type_array *array = container_of(type, | |
1323 | struct bt_ctf_field_type_array, parent); | |
1324 | ||
1325 | ret = bt_ctf_field_type_serialize(array->element_type, context); | |
1326 | if (ret) { | |
1327 | goto end; | |
1328 | } | |
1329 | ||
1330 | if (context->field_name->len) { | |
1331 | g_string_append_printf(context->string, " %s[%u]", | |
1332 | context->field_name->str, array->length); | |
1333 | g_string_assign(context->field_name, ""); | |
1334 | } else { | |
1335 | g_string_append_printf(context->string, "[%u]", array->length); | |
1336 | } | |
1337 | end: | |
1338 | return ret; | |
1339 | } | |
1340 | ||
1341 | static | |
1342 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, | |
1343 | struct metadata_context *context) | |
1344 | { | |
1345 | int ret = 0; | |
1346 | struct bt_ctf_field_type_sequence *sequence = container_of( | |
1347 | type, struct bt_ctf_field_type_sequence, parent); | |
1348 | ||
1349 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); | |
1350 | if (ret) { | |
1351 | goto end; | |
1352 | } | |
1353 | ||
1354 | if (context->field_name->len) { | |
1355 | g_string_append_printf(context->string, " %s[%s]", | |
1356 | context->field_name->str, | |
1357 | sequence->length_field_name->str); | |
1358 | g_string_assign(context->field_name, ""); | |
1359 | } else { | |
1360 | g_string_append_printf(context->string, "[%s]", | |
1361 | sequence->length_field_name->str); | |
1362 | } | |
1363 | end: | |
1364 | return ret; | |
1365 | } | |
1366 | ||
1367 | static | |
1368 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, | |
1369 | struct metadata_context *context) | |
1370 | { | |
1371 | struct bt_ctf_field_type_string *string = container_of( | |
1372 | type, struct bt_ctf_field_type_string, parent); | |
1373 | ||
1374 | g_string_append_printf(context->string, | |
1375 | "string { encoding = %s; }", | |
1376 | get_encoding_string(string->declaration.encoding)); | |
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static | |
1381 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, | |
1382 | int byte_order) | |
1383 | { | |
1384 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1385 | struct bt_ctf_field_type_integer, parent); | |
1386 | ||
1387 | integer_type->declaration.byte_order = byte_order; | |
1388 | } | |
1389 | ||
1390 | static | |
1391 | void bt_ctf_field_type_floating_point_set_byte_order( | |
1392 | struct bt_ctf_field_type *type, int byte_order) | |
1393 | { | |
1394 | struct bt_ctf_field_type_floating_point *floating_point_type = | |
1395 | container_of(type, struct bt_ctf_field_type_floating_point, | |
1396 | parent); | |
1397 | ||
1398 | floating_point_type->declaration.byte_order = byte_order; | |
1399 | floating_point_type->sign.byte_order = byte_order; | |
1400 | floating_point_type->mantissa.byte_order = byte_order; | |
1401 | floating_point_type->exp.byte_order = byte_order; | |
1402 | } |