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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; | |
c4e511df | 193 | int ret; |
273b65be JG |
194 | |
195 | assert(type && (type_id > CTF_TYPE_UNKNOWN) && | |
196 | (type_id < NR_CTF_TYPES)); | |
197 | ||
198 | bt_ctf_ref_init(&type->ref_count); | |
199 | type->freeze = type_freeze_funcs[type_id]; | |
200 | type->serialize = type_serialize_funcs[type_id]; | |
c4e511df MD |
201 | ret = bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE); |
202 | assert(!ret); | |
273b65be JG |
203 | type->declaration->alignment = 1; |
204 | } | |
205 | ||
206 | static | |
207 | int add_structure_field(GPtrArray *fields, | |
208 | GHashTable *field_name_to_index, | |
209 | struct bt_ctf_field_type *field_type, | |
210 | const char *field_name) | |
211 | { | |
212 | int ret = 0; | |
213 | GQuark name_quark = g_quark_from_string(field_name); | |
214 | struct structure_field *field; | |
215 | ||
216 | /* Make sure structure does not contain a field of the same name */ | |
217 | if (g_hash_table_contains(field_name_to_index, | |
218 | GUINT_TO_POINTER(name_quark))) { | |
219 | ret = -1; | |
220 | goto end; | |
221 | } | |
222 | ||
223 | field = g_new0(struct structure_field, 1); | |
224 | if (!field) { | |
225 | ret = -1; | |
226 | goto end; | |
227 | } | |
228 | ||
229 | bt_ctf_field_type_get(field_type); | |
230 | field->name = name_quark; | |
231 | field->type = field_type; | |
232 | g_hash_table_insert(field_name_to_index, | |
233 | (gpointer) (unsigned long) name_quark, | |
234 | (gpointer) (unsigned long) fields->len); | |
235 | g_ptr_array_add(fields, field); | |
236 | bt_ctf_field_type_freeze(field_type); | |
237 | end: | |
238 | return ret; | |
239 | } | |
240 | ||
241 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) | |
242 | { | |
243 | struct bt_ctf_field_type_integer *integer = | |
244 | g_new0(struct bt_ctf_field_type_integer, 1); | |
245 | ||
246 | if (!integer || size > 64) { | |
247 | return NULL; | |
248 | } | |
249 | ||
250 | integer->parent.declaration = &integer->declaration.p; | |
251 | integer->parent.declaration->id = CTF_TYPE_INTEGER; | |
252 | integer->declaration.len = size; | |
253 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; | |
254 | integer->declaration.encoding = CTF_STRING_NONE; | |
255 | bt_ctf_field_type_init(&integer->parent); | |
256 | return &integer->parent; | |
257 | } | |
258 | ||
259 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, | |
260 | int is_signed) | |
261 | { | |
262 | int ret = 0; | |
263 | struct bt_ctf_field_type_integer *integer; | |
264 | ||
265 | if (!type || type->frozen || | |
266 | type->declaration->id != CTF_TYPE_INTEGER) { | |
267 | ret = -1; | |
268 | goto end; | |
269 | } | |
270 | ||
271 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
272 | if (is_signed && integer->declaration.len <= 1) { | |
273 | ret = -1; | |
274 | goto end; | |
275 | } | |
276 | ||
277 | integer->declaration.signedness = !!is_signed; | |
278 | end: | |
279 | return ret; | |
280 | } | |
281 | ||
282 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, | |
283 | enum bt_ctf_integer_base base) | |
284 | { | |
285 | int ret = 0; | |
286 | ||
287 | if (!type || type->frozen || | |
288 | type->declaration->id != CTF_TYPE_INTEGER) { | |
289 | ret = -1; | |
290 | goto end; | |
291 | } | |
292 | ||
293 | switch (base) { | |
294 | case BT_CTF_INTEGER_BASE_BINARY: | |
295 | case BT_CTF_INTEGER_BASE_OCTAL: | |
296 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
297 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
298 | { | |
299 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
300 | struct bt_ctf_field_type_integer, parent); | |
301 | integer->declaration.base = base; | |
302 | break; | |
303 | } | |
304 | default: | |
305 | ret = -1; | |
306 | } | |
307 | end: | |
308 | return ret; | |
309 | } | |
310 | ||
311 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, | |
312 | enum ctf_string_encoding encoding) | |
313 | { | |
314 | int ret = 0; | |
315 | struct bt_ctf_field_type_integer *integer; | |
316 | ||
317 | if (!type || type->frozen || | |
318 | (type->declaration->id != CTF_TYPE_INTEGER) || | |
319 | (encoding < CTF_STRING_NONE) || | |
320 | (encoding >= CTF_STRING_UNKNOWN)) { | |
321 | ret = -1; | |
322 | goto end; | |
323 | } | |
324 | ||
325 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
326 | integer->declaration.encoding = encoding; | |
327 | end: | |
328 | return ret; | |
329 | } | |
330 | ||
331 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( | |
332 | struct bt_ctf_field_type *integer_container_type) | |
333 | { | |
334 | struct bt_ctf_field_type_enumeration *enumeration = NULL; | |
335 | ||
336 | if (!integer_container_type) { | |
337 | goto error; | |
338 | } | |
339 | ||
340 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); | |
341 | if (!enumeration) { | |
342 | goto error; | |
343 | } | |
344 | ||
345 | enumeration->parent.declaration = &enumeration->declaration.p; | |
346 | enumeration->parent.declaration->id = CTF_TYPE_ENUM; | |
347 | bt_ctf_field_type_get(integer_container_type); | |
348 | enumeration->container = integer_container_type; | |
349 | enumeration->entries = g_ptr_array_new_with_free_func( | |
350 | (GDestroyNotify)destroy_enumeration_mapping); | |
351 | bt_ctf_field_type_init(&enumeration->parent); | |
352 | return &enumeration->parent; | |
353 | error: | |
354 | g_free(enumeration); | |
355 | return NULL; | |
356 | } | |
357 | ||
358 | int bt_ctf_field_type_enumeration_add_mapping( | |
359 | struct bt_ctf_field_type *type, const char *string, | |
360 | int64_t range_start, int64_t range_end) | |
361 | { | |
362 | int ret = 0; | |
363 | GQuark mapping_name; | |
364 | struct enumeration_mapping *mapping; | |
365 | struct bt_ctf_field_type_enumeration *enumeration; | |
366 | struct range_overlap_query query; | |
367 | ||
368 | if (!type || (type->declaration->id != CTF_TYPE_ENUM) || | |
369 | type->frozen || | |
370 | (range_end < range_start)) { | |
371 | ret = -1; | |
372 | goto end; | |
373 | } | |
374 | ||
375 | if (validate_identifier(string)) { | |
376 | ret = -1; | |
377 | goto end; | |
378 | } | |
379 | ||
380 | mapping_name = g_quark_from_string(string); | |
381 | query = (struct range_overlap_query) { .range_start = range_start, | |
382 | .range_end = range_end, | |
383 | .mapping_name = mapping_name, | |
384 | .overlaps = 0 }; | |
385 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
386 | parent); | |
387 | ||
388 | /* Check that the range does not overlap with one already present */ | |
389 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); | |
390 | if (query.overlaps) { | |
391 | ret = -1; | |
392 | goto end; | |
393 | } | |
394 | ||
395 | mapping = g_new(struct enumeration_mapping, 1); | |
396 | if (!mapping) { | |
397 | ret = -1; | |
398 | goto end; | |
399 | } | |
400 | ||
401 | *mapping = (struct enumeration_mapping) {.range_start = range_start, | |
402 | .range_end = range_end, .string = mapping_name}; | |
403 | g_ptr_array_add(enumeration->entries, mapping); | |
404 | end: | |
405 | return ret; | |
406 | } | |
407 | ||
408 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) | |
409 | { | |
410 | struct bt_ctf_field_type_floating_point *floating_point = | |
411 | g_new0(struct bt_ctf_field_type_floating_point, 1); | |
412 | ||
413 | if (!floating_point) { | |
414 | goto end; | |
415 | } | |
416 | ||
417 | floating_point->declaration.sign = &floating_point->sign; | |
418 | floating_point->declaration.mantissa = &floating_point->mantissa; | |
419 | floating_point->declaration.exp = &floating_point->exp; | |
420 | floating_point->sign.len = 1; | |
421 | floating_point->parent.declaration = &floating_point->declaration.p; | |
422 | floating_point->parent.declaration->id = CTF_TYPE_FLOAT; | |
423 | floating_point->declaration.exp->len = | |
424 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; | |
425 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; | |
426 | floating_point->sign.p.alignment = 1; | |
427 | floating_point->mantissa.p.alignment = 1; | |
428 | floating_point->exp.p.alignment = 1; | |
429 | ||
430 | bt_ctf_field_type_init(&floating_point->parent); | |
431 | end: | |
432 | return floating_point ? &floating_point->parent : NULL; | |
433 | } | |
434 | ||
435 | int bt_ctf_field_type_floating_point_set_exponent_digits( | |
436 | struct bt_ctf_field_type *type, | |
437 | unsigned int exponent_digits) | |
438 | { | |
439 | int ret = 0; | |
440 | struct bt_ctf_field_type_floating_point *floating_point; | |
441 | ||
442 | if (!type || type->frozen || | |
443 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
444 | ret = -1; | |
445 | goto end; | |
446 | } | |
447 | ||
448 | floating_point = container_of(type, | |
449 | struct bt_ctf_field_type_floating_point, parent); | |
450 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && | |
451 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && | |
452 | (exponent_digits != | |
453 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { | |
454 | ret = -1; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | floating_point->declaration.exp->len = exponent_digits; | |
459 | end: | |
460 | return ret; | |
461 | } | |
462 | ||
463 | int bt_ctf_field_type_floating_point_set_mantissa_digits( | |
464 | struct bt_ctf_field_type *type, | |
465 | unsigned int mantissa_digits) | |
466 | { | |
467 | int ret = 0; | |
468 | struct bt_ctf_field_type_floating_point *floating_point; | |
469 | ||
470 | if (!type || type->frozen || | |
471 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
472 | ret = -1; | |
473 | goto end; | |
474 | } | |
475 | ||
476 | floating_point = container_of(type, | |
477 | struct bt_ctf_field_type_floating_point, parent); | |
478 | ||
479 | if ((mantissa_digits != FLT_MANT_DIG) && | |
480 | (mantissa_digits != DBL_MANT_DIG) && | |
481 | (mantissa_digits != LDBL_MANT_DIG)) { | |
482 | ret = -1; | |
483 | goto end; | |
484 | } | |
485 | ||
486 | floating_point->declaration.mantissa->len = mantissa_digits - 1; | |
487 | end: | |
488 | return ret; | |
489 | } | |
490 | ||
491 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) | |
492 | { | |
493 | struct bt_ctf_field_type_structure *structure = | |
494 | g_new0(struct bt_ctf_field_type_structure, 1); | |
495 | ||
496 | if (!structure) { | |
497 | goto error; | |
498 | } | |
499 | ||
500 | structure->parent.declaration = &structure->declaration.p; | |
501 | structure->parent.declaration->id = CTF_TYPE_STRUCT; | |
502 | bt_ctf_field_type_init(&structure->parent); | |
503 | structure->fields = g_ptr_array_new_with_free_func( | |
504 | (GDestroyNotify)destroy_structure_field); | |
505 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); | |
506 | return &structure->parent; | |
507 | error: | |
508 | return NULL; | |
509 | } | |
510 | ||
511 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, | |
512 | struct bt_ctf_field_type *field_type, | |
513 | const char *field_name) | |
514 | { | |
515 | int ret = 0; | |
516 | struct bt_ctf_field_type_structure *structure; | |
517 | ||
518 | if (!type || !field_type || type->frozen || | |
519 | validate_identifier(field_name) || | |
520 | (type->declaration->id != CTF_TYPE_STRUCT)) { | |
521 | goto end; | |
522 | } | |
523 | ||
524 | structure = container_of(type, | |
525 | struct bt_ctf_field_type_structure, parent); | |
526 | if (add_structure_field(structure->fields, | |
527 | structure->field_name_to_index, field_type, field_name)) { | |
528 | ret = -1; | |
529 | goto end; | |
530 | } | |
531 | ||
532 | if (type->declaration->alignment < field_type->declaration->alignment) { | |
533 | type->declaration->alignment = | |
534 | field_type->declaration->alignment; | |
535 | } | |
536 | end: | |
537 | return ret; | |
538 | } | |
539 | ||
540 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( | |
541 | struct bt_ctf_field_type *enum_tag, const char *tag_name) | |
542 | { | |
543 | struct bt_ctf_field_type_variant *variant = NULL; | |
544 | ||
545 | if (!enum_tag || validate_identifier(tag_name) || | |
546 | (enum_tag->declaration->id != CTF_TYPE_ENUM)) { | |
547 | goto error; | |
548 | } | |
549 | ||
550 | variant = g_new0(struct bt_ctf_field_type_variant, 1); | |
551 | if (!variant) { | |
552 | goto error; | |
553 | } | |
554 | ||
555 | variant->parent.declaration = &variant->declaration.p; | |
556 | variant->parent.declaration->id = CTF_TYPE_VARIANT; | |
557 | variant->tag_name = g_string_new(tag_name); | |
558 | bt_ctf_field_type_init(&variant->parent); | |
559 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); | |
560 | variant->fields = g_ptr_array_new_with_free_func( | |
561 | (GDestroyNotify)destroy_structure_field); | |
562 | bt_ctf_field_type_get(enum_tag); | |
563 | variant->tag = container_of(enum_tag, | |
564 | struct bt_ctf_field_type_enumeration, parent); | |
565 | return &variant->parent; | |
566 | error: | |
567 | return NULL; | |
568 | } | |
569 | ||
570 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, | |
571 | struct bt_ctf_field_type *field_type, | |
572 | const char *field_name) | |
573 | { | |
574 | size_t i; | |
575 | int ret = 0; | |
576 | int name_found = 0; | |
577 | struct bt_ctf_field_type_variant *variant; | |
578 | GQuark field_name_quark = g_quark_from_string(field_name); | |
579 | ||
580 | if (!type || !field_type || type->frozen || | |
581 | validate_identifier(field_name) || | |
582 | (type->declaration->id != CTF_TYPE_VARIANT)) { | |
583 | ret = -1; | |
584 | goto end; | |
585 | } | |
586 | ||
587 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
588 | /* Make sure this name is present in the enum tag */ | |
589 | for (i = 0; i < variant->tag->entries->len; i++) { | |
590 | struct enumeration_mapping *mapping = | |
591 | g_ptr_array_index(variant->tag->entries, i); | |
592 | ||
593 | if (mapping->string == field_name_quark) { | |
594 | name_found = 1; | |
595 | break; | |
596 | } | |
597 | } | |
598 | ||
599 | if (!name_found || add_structure_field(variant->fields, | |
600 | variant->field_name_to_index, field_type, field_name)) { | |
601 | ret = -1; | |
602 | goto end; | |
603 | } | |
604 | end: | |
605 | return ret; | |
606 | } | |
607 | ||
608 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( | |
609 | struct bt_ctf_field_type *element_type, | |
610 | unsigned int length) | |
611 | { | |
612 | struct bt_ctf_field_type_array *array = NULL; | |
613 | ||
614 | if (!element_type || length == 0) { | |
615 | goto error; | |
616 | } | |
617 | ||
618 | array = g_new0(struct bt_ctf_field_type_array, 1); | |
619 | if (!array) { | |
620 | goto error; | |
621 | } | |
622 | ||
623 | array->parent.declaration = &array->declaration.p; | |
624 | array->parent.declaration->id = CTF_TYPE_ARRAY; | |
625 | bt_ctf_field_type_init(&array->parent); | |
626 | bt_ctf_field_type_get(element_type); | |
627 | array->element_type = element_type; | |
628 | array->length = length; | |
629 | array->parent.declaration->alignment = | |
630 | element_type->declaration->alignment; | |
631 | return &array->parent; | |
632 | error: | |
633 | return NULL; | |
634 | } | |
635 | ||
636 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( | |
637 | struct bt_ctf_field_type *element_type, | |
638 | const char *length_field_name) | |
639 | { | |
640 | struct bt_ctf_field_type_sequence *sequence = NULL; | |
641 | ||
642 | if (!element_type || validate_identifier(length_field_name)) { | |
643 | goto error; | |
644 | } | |
645 | ||
646 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); | |
647 | if (!sequence) { | |
648 | goto error; | |
649 | } | |
650 | ||
651 | sequence->parent.declaration = &sequence->declaration.p; | |
652 | sequence->parent.declaration->id = CTF_TYPE_SEQUENCE; | |
653 | bt_ctf_field_type_init(&sequence->parent); | |
654 | bt_ctf_field_type_get(element_type); | |
655 | sequence->element_type = element_type; | |
656 | sequence->length_field_name = g_string_new(length_field_name); | |
657 | sequence->parent.declaration->alignment = | |
658 | element_type->declaration->alignment; | |
659 | return &sequence->parent; | |
660 | error: | |
661 | return NULL; | |
662 | } | |
663 | ||
664 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) | |
665 | { | |
666 | struct bt_ctf_field_type_string *string = | |
667 | g_new0(struct bt_ctf_field_type_string, 1); | |
668 | ||
669 | if (!string) { | |
670 | return NULL; | |
671 | } | |
672 | ||
673 | string->parent.declaration = &string->declaration.p; | |
674 | string->parent.declaration->id = CTF_TYPE_STRING; | |
675 | bt_ctf_field_type_init(&string->parent); | |
676 | string->declaration.encoding = CTF_STRING_UTF8; | |
677 | string->parent.declaration->alignment = CHAR_BIT; | |
678 | return &string->parent; | |
679 | } | |
680 | ||
681 | int bt_ctf_field_type_string_set_encoding( | |
682 | struct bt_ctf_field_type *type, | |
683 | enum ctf_string_encoding encoding) | |
684 | { | |
685 | int ret = 0; | |
686 | struct bt_ctf_field_type_string *string; | |
687 | ||
688 | if (!type || type->declaration->id != CTF_TYPE_STRING || | |
689 | (encoding != CTF_STRING_UTF8 && | |
690 | encoding != CTF_STRING_ASCII)) { | |
691 | ret = -1; | |
692 | goto end; | |
693 | } | |
694 | ||
695 | string = container_of(type, struct bt_ctf_field_type_string, parent); | |
696 | string->declaration.encoding = encoding; | |
697 | end: | |
698 | return ret; | |
699 | } | |
700 | ||
701 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, | |
702 | unsigned int alignment) | |
703 | { | |
704 | int ret = 0; | |
705 | ||
706 | /* Alignment must be bit-aligned (1) or byte aligned */ | |
707 | if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) { | |
708 | ret = -1; | |
709 | goto end; | |
710 | } | |
711 | ||
712 | if (type->declaration->id == CTF_TYPE_STRING && | |
713 | alignment != CHAR_BIT) { | |
714 | ret = -1; | |
715 | goto end; | |
716 | } | |
717 | ||
718 | type->declaration->alignment = alignment; | |
719 | ret = 0; | |
720 | end: | |
721 | return ret; | |
722 | } | |
723 | ||
724 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, | |
725 | enum bt_ctf_byte_order byte_order) | |
726 | { | |
727 | int ret = 0; | |
728 | int internal_byte_order; | |
729 | enum ctf_type_id type_id; | |
730 | ||
731 | if (!type || type->frozen) { | |
732 | ret = -1; | |
733 | goto end; | |
734 | } | |
735 | ||
736 | type_id = type->declaration->id; | |
737 | switch (byte_order) { | |
738 | case BT_CTF_BYTE_ORDER_NATIVE: | |
739 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN ? | |
740 | LITTLE_ENDIAN : BIG_ENDIAN); | |
741 | break; | |
742 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
743 | internal_byte_order = LITTLE_ENDIAN; | |
744 | break; | |
745 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
746 | case BT_CTF_BYTE_ORDER_NETWORK: | |
747 | internal_byte_order = BIG_ENDIAN; | |
748 | break; | |
749 | default: | |
750 | ret = -1; | |
751 | goto end; | |
752 | } | |
753 | ||
754 | if (set_byte_order_funcs[type_id]) { | |
755 | set_byte_order_funcs[type_id](type, internal_byte_order); | |
756 | } | |
757 | end: | |
758 | return ret; | |
759 | } | |
760 | ||
761 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) | |
762 | { | |
763 | if (!type) { | |
764 | return; | |
765 | } | |
766 | ||
767 | bt_ctf_ref_get(&type->ref_count); | |
768 | } | |
769 | ||
770 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) | |
771 | { | |
772 | enum ctf_type_id type_id; | |
773 | ||
774 | if (!type) { | |
775 | return; | |
776 | } | |
777 | ||
778 | type_id = type->declaration->id; | |
779 | assert(type_id > CTF_TYPE_UNKNOWN && type_id < NR_CTF_TYPES); | |
780 | bt_ctf_ref_put(&type->ref_count, type_destroy_funcs[type_id]); | |
781 | } | |
782 | ||
783 | BT_HIDDEN | |
784 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) | |
785 | { | |
786 | if (!type) { | |
787 | return; | |
788 | } | |
789 | ||
790 | type->freeze(type); | |
791 | } | |
792 | ||
793 | BT_HIDDEN | |
794 | enum ctf_type_id bt_ctf_field_type_get_type_id( | |
795 | struct bt_ctf_field_type *type) | |
796 | { | |
797 | if (!type) { | |
798 | return CTF_TYPE_UNKNOWN; | |
799 | } | |
800 | ||
801 | return type->declaration->id; | |
802 | } | |
803 | ||
804 | BT_HIDDEN | |
805 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type( | |
806 | struct bt_ctf_field_type_structure *structure, | |
807 | const char *name) | |
808 | { | |
809 | struct bt_ctf_field_type *type = NULL; | |
810 | struct structure_field *field; | |
811 | GQuark name_quark = g_quark_try_string(name); | |
812 | size_t index; | |
813 | ||
814 | if (!name_quark) { | |
815 | goto end; | |
816 | } | |
817 | ||
818 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
819 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
820 | goto end; | |
821 | } | |
822 | ||
823 | field = structure->fields->pdata[index]; | |
824 | type = field->type; | |
825 | end: | |
826 | return type; | |
827 | } | |
828 | ||
829 | BT_HIDDEN | |
830 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( | |
831 | struct bt_ctf_field_type_array *array) | |
832 | { | |
833 | assert(array); | |
834 | return array->element_type; | |
835 | } | |
836 | ||
837 | BT_HIDDEN | |
838 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( | |
839 | struct bt_ctf_field_type_sequence *sequence) | |
840 | { | |
841 | assert(sequence); | |
842 | return sequence->element_type; | |
843 | } | |
844 | ||
845 | BT_HIDDEN | |
846 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type( | |
847 | struct bt_ctf_field_type_variant *variant, | |
848 | int64_t tag_value) | |
849 | { | |
850 | struct bt_ctf_field_type *type = NULL; | |
851 | GQuark field_name_quark; | |
852 | gpointer index; | |
853 | struct structure_field *field_entry; | |
854 | struct range_overlap_query query = {.range_start = tag_value, | |
855 | .range_end = tag_value, .mapping_name = 0, .overlaps = 0}; | |
856 | ||
857 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, | |
858 | &query); | |
859 | if (!query.overlaps) { | |
860 | goto end; | |
861 | } | |
862 | ||
863 | field_name_quark = query.mapping_name; | |
864 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
865 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
866 | goto end; | |
867 | } | |
868 | ||
869 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); | |
870 | type = field_entry->type; | |
871 | end: | |
872 | return type; | |
873 | } | |
874 | ||
875 | BT_HIDDEN | |
876 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, | |
877 | struct metadata_context *context) | |
878 | { | |
879 | int ret; | |
880 | ||
881 | if (!type || !context) { | |
882 | ret = -1; | |
883 | goto end; | |
884 | } | |
885 | ||
886 | ret = type->serialize(type, context); | |
887 | end: | |
888 | return ret; | |
889 | } | |
890 | ||
891 | static | |
892 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref) | |
893 | { | |
894 | struct bt_ctf_field_type_integer *integer; | |
895 | ||
896 | if (!ref) { | |
897 | return; | |
898 | } | |
899 | ||
900 | integer = container_of( | |
901 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
902 | struct bt_ctf_field_type_integer, parent); | |
903 | g_free(integer); | |
904 | } | |
905 | ||
906 | static | |
907 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref) | |
908 | { | |
909 | struct bt_ctf_field_type_enumeration *enumeration; | |
910 | ||
911 | if (!ref) { | |
912 | return; | |
913 | } | |
914 | ||
915 | enumeration = container_of( | |
916 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
917 | struct bt_ctf_field_type_enumeration, parent); | |
918 | g_ptr_array_free(enumeration->entries, TRUE); | |
919 | bt_ctf_field_type_put(enumeration->container); | |
920 | g_free(enumeration); | |
921 | } | |
922 | ||
923 | static | |
924 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref) | |
925 | { | |
926 | struct bt_ctf_field_type_floating_point *floating_point; | |
927 | ||
928 | if (!ref) { | |
929 | return; | |
930 | } | |
931 | ||
932 | floating_point = container_of( | |
933 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
934 | struct bt_ctf_field_type_floating_point, parent); | |
935 | g_free(floating_point); | |
936 | } | |
937 | ||
938 | static | |
939 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref) | |
940 | { | |
941 | struct bt_ctf_field_type_structure *structure; | |
942 | ||
943 | if (!ref) { | |
944 | return; | |
945 | } | |
946 | ||
947 | structure = container_of( | |
948 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
949 | struct bt_ctf_field_type_structure, parent); | |
950 | g_ptr_array_free(structure->fields, TRUE); | |
951 | g_hash_table_destroy(structure->field_name_to_index); | |
952 | g_free(structure); | |
953 | } | |
954 | ||
955 | static | |
956 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref) | |
957 | { | |
958 | struct bt_ctf_field_type_variant *variant; | |
959 | ||
960 | if (!ref) { | |
961 | return; | |
962 | } | |
963 | ||
964 | variant = container_of( | |
965 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
966 | struct bt_ctf_field_type_variant, parent); | |
967 | g_ptr_array_free(variant->fields, TRUE); | |
968 | g_hash_table_destroy(variant->field_name_to_index); | |
969 | g_string_free(variant->tag_name, TRUE); | |
970 | bt_ctf_field_type_put(&variant->tag->parent); | |
971 | g_free(variant); | |
972 | } | |
973 | ||
974 | static | |
975 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref) | |
976 | { | |
977 | struct bt_ctf_field_type_array *array; | |
978 | ||
979 | if (!ref) { | |
980 | return; | |
981 | } | |
982 | ||
983 | array = container_of( | |
984 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
985 | struct bt_ctf_field_type_array, parent); | |
986 | bt_ctf_field_type_put(array->element_type); | |
987 | g_free(array); | |
988 | } | |
989 | ||
990 | static | |
991 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref) | |
992 | { | |
993 | struct bt_ctf_field_type_sequence *sequence; | |
994 | ||
995 | if (!ref) { | |
996 | return; | |
997 | } | |
998 | ||
999 | sequence = container_of( | |
1000 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1001 | struct bt_ctf_field_type_sequence, parent); | |
1002 | bt_ctf_field_type_put(sequence->element_type); | |
1003 | g_string_free(sequence->length_field_name, TRUE); | |
1004 | g_free(sequence); | |
1005 | } | |
1006 | ||
1007 | static | |
1008 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref) | |
1009 | { | |
1010 | struct bt_ctf_field_type_string *string; | |
1011 | ||
1012 | if (!ref) { | |
1013 | return; | |
1014 | } | |
1015 | ||
1016 | string = container_of( | |
1017 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1018 | struct bt_ctf_field_type_string, parent); | |
1019 | g_free(string); | |
1020 | } | |
1021 | ||
1022 | static | |
1023 | void generic_field_type_freeze(struct bt_ctf_field_type *type) | |
1024 | { | |
1025 | type->frozen = 1; | |
1026 | } | |
1027 | ||
1028 | static | |
1029 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) | |
1030 | { | |
1031 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( | |
1032 | type, struct bt_ctf_field_type_enumeration, parent); | |
1033 | ||
1034 | generic_field_type_freeze(type); | |
1035 | bt_ctf_field_type_freeze(enumeration_type->container); | |
1036 | } | |
1037 | ||
1038 | static | |
1039 | void freeze_structure_field(struct structure_field *field) | |
1040 | { | |
1041 | bt_ctf_field_type_freeze(field->type); | |
1042 | } | |
1043 | ||
1044 | static | |
1045 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) | |
1046 | { | |
1047 | struct bt_ctf_field_type_structure *structure_type = container_of( | |
1048 | type, struct bt_ctf_field_type_structure, parent); | |
1049 | ||
1050 | generic_field_type_freeze(type); | |
1051 | g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field, | |
1052 | NULL); | |
1053 | } | |
1054 | ||
1055 | static | |
1056 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) | |
1057 | { | |
1058 | struct bt_ctf_field_type_variant *variant_type = container_of( | |
1059 | type, struct bt_ctf_field_type_variant, parent); | |
1060 | ||
1061 | generic_field_type_freeze(type); | |
1062 | g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field, | |
1063 | NULL); | |
1064 | } | |
1065 | ||
1066 | static | |
1067 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) | |
1068 | { | |
1069 | struct bt_ctf_field_type_array *array_type = container_of( | |
1070 | type, struct bt_ctf_field_type_array, parent); | |
1071 | ||
1072 | generic_field_type_freeze(type); | |
1073 | bt_ctf_field_type_freeze(array_type->element_type); | |
1074 | } | |
1075 | ||
1076 | static | |
1077 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) | |
1078 | { | |
1079 | struct bt_ctf_field_type_sequence *sequence_type = container_of( | |
1080 | type, struct bt_ctf_field_type_sequence, parent); | |
1081 | ||
1082 | generic_field_type_freeze(type); | |
1083 | bt_ctf_field_type_freeze(sequence_type->element_type); | |
1084 | } | |
1085 | ||
1086 | static | |
1087 | const char *get_encoding_string(enum ctf_string_encoding encoding) | |
1088 | { | |
1089 | const char *encoding_string; | |
1090 | ||
1091 | switch (encoding) { | |
1092 | case CTF_STRING_NONE: | |
1093 | encoding_string = "none"; | |
1094 | break; | |
1095 | case CTF_STRING_ASCII: | |
1096 | encoding_string = "ASCII"; | |
1097 | break; | |
1098 | case CTF_STRING_UTF8: | |
1099 | encoding_string = "UTF8"; | |
1100 | break; | |
1101 | default: | |
1102 | encoding_string = "unknown"; | |
1103 | break; | |
1104 | } | |
1105 | ||
1106 | return encoding_string; | |
1107 | } | |
1108 | ||
1109 | static | |
1110 | const char *get_integer_base_string(enum bt_ctf_integer_base base) | |
1111 | { | |
1112 | const char *base_string; | |
1113 | ||
1114 | switch (base) { | |
1115 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
1116 | base_string = "decimal"; | |
1117 | break; | |
1118 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
1119 | base_string = "hexadecimal"; | |
1120 | break; | |
1121 | case BT_CTF_INTEGER_BASE_OCTAL: | |
1122 | base_string = "octal"; | |
1123 | break; | |
1124 | case BT_CTF_INTEGER_BASE_BINARY: | |
1125 | base_string = "binary"; | |
1126 | break; | |
1127 | default: | |
1128 | base_string = "unknown"; | |
1129 | break; | |
1130 | } | |
1131 | ||
1132 | return base_string; | |
1133 | } | |
1134 | ||
1135 | static | |
1136 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, | |
1137 | struct metadata_context *context) | |
1138 | { | |
1139 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
1140 | struct bt_ctf_field_type_integer, parent); | |
1141 | ||
1142 | g_string_append_printf(context->string, | |
1143 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s; }", | |
1144 | integer->declaration.len, type->declaration->alignment, | |
1145 | (integer->declaration.signedness ? "true" : "false"), | |
1146 | get_encoding_string(integer->declaration.encoding), | |
1147 | get_integer_base_string(integer->declaration.base), | |
1148 | get_byte_order_string(integer->declaration.byte_order)); | |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | static | |
1153 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, | |
1154 | struct metadata_context *context) | |
1155 | { | |
1156 | size_t entry; | |
1157 | int ret = 0; | |
1158 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, | |
1159 | struct bt_ctf_field_type_enumeration, parent); | |
1160 | ||
1161 | g_string_append(context->string, "enum : "); | |
1162 | ret = bt_ctf_field_type_serialize(enumeration->container, context); | |
1163 | if (ret) { | |
1164 | goto end; | |
1165 | } | |
1166 | ||
1167 | g_string_append(context->string, " { "); | |
1168 | for (entry = 0; entry < enumeration->entries->len; entry++) { | |
1169 | struct enumeration_mapping *mapping = | |
1170 | enumeration->entries->pdata[entry]; | |
1171 | ||
1172 | if (mapping->range_start == mapping->range_end) { | |
1173 | g_string_append_printf(context->string, "%s = %" PRId64, | |
1174 | g_quark_to_string(mapping->string), | |
1175 | mapping->range_start); | |
1176 | } else { | |
1177 | g_string_append_printf(context->string, | |
1178 | "%s = %" PRId64 " ... %" PRId64, | |
1179 | g_quark_to_string(mapping->string), | |
1180 | mapping->range_start, mapping->range_end); | |
1181 | } | |
1182 | ||
1183 | g_string_append(context->string, | |
1184 | ((entry != (enumeration->entries->len - 1)) ? | |
1185 | ", " : " }")); | |
1186 | } | |
1187 | ||
1188 | if (context->field_name->len) { | |
1189 | g_string_append_printf(context->string, " %s", | |
1190 | context->field_name->str); | |
1191 | g_string_assign(context->field_name, ""); | |
1192 | } | |
1193 | end: | |
1194 | return ret; | |
1195 | } | |
1196 | ||
1197 | static | |
1198 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, | |
1199 | struct metadata_context *context) | |
1200 | { | |
1201 | struct bt_ctf_field_type_floating_point *floating_point = container_of( | |
1202 | type, struct bt_ctf_field_type_floating_point, parent); | |
1203 | ||
1204 | g_string_append_printf(context->string, | |
1205 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", | |
1206 | floating_point->declaration.exp->len, | |
1207 | floating_point->declaration.mantissa->len + 1, | |
1208 | get_byte_order_string(floating_point->declaration.byte_order), | |
1209 | type->declaration->alignment); | |
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | static | |
1214 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, | |
1215 | struct metadata_context *context) | |
1216 | { | |
1217 | size_t i; | |
1218 | unsigned int indent; | |
1219 | int ret = 0; | |
1220 | struct bt_ctf_field_type_structure *structure = container_of(type, | |
1221 | struct bt_ctf_field_type_structure, parent); | |
1222 | GString *structure_field_name = context->field_name; | |
1223 | ||
1224 | context->field_name = g_string_new(""); | |
1225 | ||
1226 | context->current_indentation_level++; | |
1227 | g_string_append(context->string, "struct {\n"); | |
1228 | ||
1229 | for (i = 0; i < structure->fields->len; i++) { | |
1230 | struct structure_field *field; | |
1231 | ||
1232 | for (indent = 0; indent < context->current_indentation_level; | |
1233 | indent++) { | |
1234 | g_string_append_c(context->string, '\t'); | |
1235 | } | |
1236 | ||
1237 | field = structure->fields->pdata[i]; | |
1238 | g_string_assign(context->field_name, | |
1239 | g_quark_to_string(field->name)); | |
1240 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1241 | if (ret) { | |
1242 | goto end; | |
1243 | } | |
1244 | ||
1245 | if (context->field_name->len) { | |
1246 | g_string_append_printf(context->string, " %s", | |
1247 | context->field_name->str); | |
1248 | } | |
1249 | g_string_append(context->string, ";\n"); | |
1250 | } | |
1251 | ||
1252 | context->current_indentation_level--; | |
1253 | for (indent = 0; indent < context->current_indentation_level; | |
1254 | indent++) { | |
1255 | g_string_append_c(context->string, '\t'); | |
1256 | } | |
1257 | ||
1258 | g_string_append_printf(context->string, "} align(%zu)", | |
1259 | type->declaration->alignment); | |
1260 | end: | |
1261 | g_string_free(context->field_name, TRUE); | |
1262 | context->field_name = structure_field_name; | |
1263 | return ret; | |
1264 | } | |
1265 | ||
1266 | static | |
1267 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, | |
1268 | struct metadata_context *context) | |
1269 | { | |
1270 | size_t i; | |
1271 | unsigned int indent; | |
1272 | int ret = 0; | |
1273 | struct bt_ctf_field_type_variant *variant = container_of( | |
1274 | type, struct bt_ctf_field_type_variant, parent); | |
1275 | GString *variant_field_name = context->field_name; | |
1276 | ||
1277 | context->field_name = g_string_new(""); | |
1278 | g_string_append_printf(context->string, | |
1279 | "variant <%s> {\n", variant->tag_name->str); | |
1280 | context->current_indentation_level++; | |
1281 | for (i = 0; i < variant->fields->len; i++) { | |
1282 | struct structure_field *field = variant->fields->pdata[i]; | |
1283 | ||
1284 | g_string_assign(context->field_name, | |
1285 | g_quark_to_string(field->name)); | |
1286 | for (indent = 0; indent < context->current_indentation_level; | |
1287 | indent++) { | |
1288 | g_string_append_c(context->string, '\t'); | |
1289 | } | |
1290 | ||
1291 | g_string_assign(context->field_name, | |
1292 | g_quark_to_string(field->name)); | |
1293 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1294 | if (ret) { | |
1295 | goto end; | |
1296 | } | |
1297 | ||
1298 | if (context->field_name->len) { | |
1299 | g_string_append_printf(context->string, " %s;", | |
1300 | context->field_name->str); | |
1301 | } | |
1302 | ||
1303 | g_string_append_c(context->string, '\n'); | |
1304 | } | |
1305 | ||
1306 | context->current_indentation_level--; | |
1307 | for (indent = 0; indent < context->current_indentation_level; | |
1308 | indent++) { | |
1309 | g_string_append_c(context->string, '\t'); | |
1310 | } | |
1311 | ||
1312 | g_string_append(context->string, "}"); | |
1313 | end: | |
1314 | g_string_free(context->field_name, TRUE); | |
1315 | context->field_name = variant_field_name; | |
1316 | return ret; | |
1317 | } | |
1318 | ||
1319 | static | |
1320 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, | |
1321 | struct metadata_context *context) | |
1322 | { | |
1323 | int ret = 0; | |
1324 | struct bt_ctf_field_type_array *array = container_of(type, | |
1325 | struct bt_ctf_field_type_array, parent); | |
1326 | ||
1327 | ret = bt_ctf_field_type_serialize(array->element_type, context); | |
1328 | if (ret) { | |
1329 | goto end; | |
1330 | } | |
1331 | ||
1332 | if (context->field_name->len) { | |
1333 | g_string_append_printf(context->string, " %s[%u]", | |
1334 | context->field_name->str, array->length); | |
1335 | g_string_assign(context->field_name, ""); | |
1336 | } else { | |
1337 | g_string_append_printf(context->string, "[%u]", array->length); | |
1338 | } | |
1339 | end: | |
1340 | return ret; | |
1341 | } | |
1342 | ||
1343 | static | |
1344 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, | |
1345 | struct metadata_context *context) | |
1346 | { | |
1347 | int ret = 0; | |
1348 | struct bt_ctf_field_type_sequence *sequence = container_of( | |
1349 | type, struct bt_ctf_field_type_sequence, parent); | |
1350 | ||
1351 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); | |
1352 | if (ret) { | |
1353 | goto end; | |
1354 | } | |
1355 | ||
1356 | if (context->field_name->len) { | |
1357 | g_string_append_printf(context->string, " %s[%s]", | |
1358 | context->field_name->str, | |
1359 | sequence->length_field_name->str); | |
1360 | g_string_assign(context->field_name, ""); | |
1361 | } else { | |
1362 | g_string_append_printf(context->string, "[%s]", | |
1363 | sequence->length_field_name->str); | |
1364 | } | |
1365 | end: | |
1366 | return ret; | |
1367 | } | |
1368 | ||
1369 | static | |
1370 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, | |
1371 | struct metadata_context *context) | |
1372 | { | |
1373 | struct bt_ctf_field_type_string *string = container_of( | |
1374 | type, struct bt_ctf_field_type_string, parent); | |
1375 | ||
1376 | g_string_append_printf(context->string, | |
1377 | "string { encoding = %s; }", | |
1378 | get_encoding_string(string->declaration.encoding)); | |
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | static | |
1383 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, | |
1384 | int byte_order) | |
1385 | { | |
1386 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1387 | struct bt_ctf_field_type_integer, parent); | |
1388 | ||
1389 | integer_type->declaration.byte_order = byte_order; | |
1390 | } | |
1391 | ||
1392 | static | |
1393 | void bt_ctf_field_type_floating_point_set_byte_order( | |
1394 | struct bt_ctf_field_type *type, int byte_order) | |
1395 | { | |
1396 | struct bt_ctf_field_type_floating_point *floating_point_type = | |
1397 | container_of(type, struct bt_ctf_field_type_floating_point, | |
1398 | parent); | |
1399 | ||
1400 | floating_point_type->declaration.byte_order = byte_order; | |
1401 | floating_point_type->sign.byte_order = byte_order; | |
1402 | floating_point_type->mantissa.byte_order = byte_order; | |
1403 | floating_point_type->exp.byte_order = byte_order; | |
1404 | } |