Commit | Line | Data |
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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> | |
a39fa057 | 36 | #include <stdlib.h> |
273b65be JG |
37 | |
38 | struct range_overlap_query { | |
39 | int64_t range_start, range_end; | |
40 | int overlaps; | |
41 | GQuark mapping_name; | |
42 | }; | |
43 | ||
44 | static | |
45 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *); | |
46 | static | |
47 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *); | |
48 | static | |
49 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *); | |
50 | static | |
51 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *); | |
52 | static | |
53 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *); | |
54 | static | |
55 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *); | |
56 | static | |
57 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *); | |
58 | static | |
59 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *); | |
60 | ||
61 | static | |
62 | void (* const type_destroy_funcs[])(struct bt_ctf_ref *) = { | |
63 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_destroy, | |
64 | [CTF_TYPE_ENUM] = | |
65 | bt_ctf_field_type_enumeration_destroy, | |
66 | [CTF_TYPE_FLOAT] = | |
67 | bt_ctf_field_type_floating_point_destroy, | |
68 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_destroy, | |
69 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_destroy, | |
70 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_destroy, | |
71 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_destroy, | |
72 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_destroy, | |
73 | }; | |
74 | ||
75 | static | |
76 | void generic_field_type_freeze(struct bt_ctf_field_type *); | |
77 | static | |
78 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); | |
79 | static | |
80 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); | |
81 | static | |
82 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); | |
83 | static | |
84 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); | |
85 | static | |
86 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); | |
87 | ||
88 | static | |
89 | type_freeze_func const type_freeze_funcs[] = { | |
90 | [CTF_TYPE_INTEGER] = generic_field_type_freeze, | |
91 | [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_freeze, | |
92 | [CTF_TYPE_FLOAT] = generic_field_type_freeze, | |
93 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_freeze, | |
94 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_freeze, | |
95 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_freeze, | |
96 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_freeze, | |
97 | [CTF_TYPE_STRING] = generic_field_type_freeze, | |
98 | }; | |
99 | ||
100 | static | |
101 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, | |
102 | struct metadata_context *); | |
103 | static | |
104 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, | |
105 | struct metadata_context *); | |
106 | static | |
107 | int bt_ctf_field_type_floating_point_serialize( | |
108 | struct bt_ctf_field_type *, struct metadata_context *); | |
109 | static | |
110 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, | |
111 | struct metadata_context *); | |
112 | static | |
113 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, | |
114 | struct metadata_context *); | |
115 | static | |
116 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, | |
117 | struct metadata_context *); | |
118 | static | |
119 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, | |
120 | struct metadata_context *); | |
121 | static | |
122 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, | |
123 | struct metadata_context *); | |
124 | ||
125 | static | |
126 | type_serialize_func const type_serialize_funcs[] = { | |
127 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_serialize, | |
128 | [CTF_TYPE_ENUM] = | |
129 | bt_ctf_field_type_enumeration_serialize, | |
130 | [CTF_TYPE_FLOAT] = | |
131 | bt_ctf_field_type_floating_point_serialize, | |
132 | [CTF_TYPE_STRUCT] = | |
133 | bt_ctf_field_type_structure_serialize, | |
134 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_serialize, | |
135 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_serialize, | |
136 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_serialize, | |
137 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_serialize, | |
138 | }; | |
139 | ||
140 | static | |
141 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, | |
142 | int byte_order); | |
143 | static | |
144 | void bt_ctf_field_type_floating_point_set_byte_order( | |
145 | struct bt_ctf_field_type *, int byte_order); | |
146 | ||
147 | static | |
148 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, | |
149 | int) = { | |
150 | [CTF_TYPE_INTEGER] = | |
151 | bt_ctf_field_type_integer_set_byte_order, | |
152 | [CTF_TYPE_FLOAT] = | |
153 | bt_ctf_field_type_floating_point_set_byte_order, | |
154 | [CTF_TYPE_ENUM ... CTF_TYPE_SEQUENCE] = NULL, | |
155 | }; | |
156 | ||
157 | ||
158 | static | |
159 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) | |
160 | { | |
161 | g_free(mapping); | |
162 | } | |
163 | ||
164 | static | |
165 | void destroy_structure_field(struct structure_field *field) | |
166 | { | |
167 | if (field->type) { | |
168 | bt_ctf_field_type_put(field->type); | |
169 | } | |
170 | ||
171 | g_free(field); | |
172 | } | |
173 | ||
174 | static | |
175 | void check_ranges_overlap(gpointer element, gpointer query) | |
176 | { | |
177 | struct enumeration_mapping *mapping = element; | |
178 | struct range_overlap_query *overlap_query = query; | |
179 | ||
180 | if (mapping->range_start <= overlap_query->range_end | |
181 | && overlap_query->range_start <= mapping->range_end) { | |
182 | overlap_query->overlaps = 1; | |
183 | overlap_query->mapping_name = mapping->string; | |
184 | } | |
185 | ||
186 | overlap_query->overlaps |= | |
187 | mapping->string == overlap_query->mapping_name; | |
188 | } | |
189 | ||
190 | static | |
191 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type) | |
192 | { | |
193 | enum ctf_type_id type_id = type->declaration->id; | |
c4e511df | 194 | int ret; |
273b65be JG |
195 | |
196 | assert(type && (type_id > CTF_TYPE_UNKNOWN) && | |
197 | (type_id < NR_CTF_TYPES)); | |
198 | ||
199 | bt_ctf_ref_init(&type->ref_count); | |
200 | type->freeze = type_freeze_funcs[type_id]; | |
201 | type->serialize = type_serialize_funcs[type_id]; | |
c4e511df MD |
202 | ret = bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE); |
203 | assert(!ret); | |
273b65be JG |
204 | type->declaration->alignment = 1; |
205 | } | |
206 | ||
207 | static | |
208 | int add_structure_field(GPtrArray *fields, | |
209 | GHashTable *field_name_to_index, | |
210 | struct bt_ctf_field_type *field_type, | |
211 | const char *field_name) | |
212 | { | |
213 | int ret = 0; | |
214 | GQuark name_quark = g_quark_from_string(field_name); | |
215 | struct structure_field *field; | |
216 | ||
217 | /* Make sure structure does not contain a field of the same name */ | |
fe0fe95c JG |
218 | if (g_hash_table_lookup_extended(field_name_to_index, |
219 | GUINT_TO_POINTER(name_quark), NULL, NULL)) { | |
273b65be JG |
220 | ret = -1; |
221 | goto end; | |
222 | } | |
223 | ||
224 | field = g_new0(struct structure_field, 1); | |
225 | if (!field) { | |
226 | ret = -1; | |
227 | goto end; | |
228 | } | |
229 | ||
230 | bt_ctf_field_type_get(field_type); | |
231 | field->name = name_quark; | |
232 | field->type = field_type; | |
233 | g_hash_table_insert(field_name_to_index, | |
234 | (gpointer) (unsigned long) name_quark, | |
235 | (gpointer) (unsigned long) fields->len); | |
236 | g_ptr_array_add(fields, field); | |
237 | bt_ctf_field_type_freeze(field_type); | |
238 | end: | |
239 | return ret; | |
240 | } | |
241 | ||
9ce21c30 JG |
242 | BT_HIDDEN |
243 | int bt_ctf_field_type_validate(struct bt_ctf_field_type *type) | |
244 | { | |
245 | int ret = 0; | |
246 | ||
247 | if (!type) { | |
248 | ret = -1; | |
249 | goto end; | |
250 | } | |
251 | ||
252 | if (type->declaration->id == CTF_TYPE_ENUM) { | |
253 | struct bt_ctf_field_type_enumeration *enumeration = | |
254 | container_of(type, struct bt_ctf_field_type_enumeration, | |
255 | parent); | |
256 | ||
257 | ret = enumeration->entries->len ? 0 : -1; | |
258 | } | |
259 | end: | |
260 | return ret; | |
261 | } | |
262 | ||
273b65be JG |
263 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) |
264 | { | |
265 | struct bt_ctf_field_type_integer *integer = | |
266 | g_new0(struct bt_ctf_field_type_integer, 1); | |
267 | ||
268 | if (!integer || size > 64) { | |
269 | return NULL; | |
270 | } | |
271 | ||
272 | integer->parent.declaration = &integer->declaration.p; | |
273 | integer->parent.declaration->id = CTF_TYPE_INTEGER; | |
274 | integer->declaration.len = size; | |
275 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; | |
276 | integer->declaration.encoding = CTF_STRING_NONE; | |
277 | bt_ctf_field_type_init(&integer->parent); | |
278 | return &integer->parent; | |
279 | } | |
280 | ||
281 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, | |
282 | int is_signed) | |
283 | { | |
284 | int ret = 0; | |
285 | struct bt_ctf_field_type_integer *integer; | |
286 | ||
287 | if (!type || type->frozen || | |
288 | type->declaration->id != CTF_TYPE_INTEGER) { | |
289 | ret = -1; | |
290 | goto end; | |
291 | } | |
292 | ||
293 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
294 | if (is_signed && integer->declaration.len <= 1) { | |
295 | ret = -1; | |
296 | goto end; | |
297 | } | |
298 | ||
299 | integer->declaration.signedness = !!is_signed; | |
300 | end: | |
301 | return ret; | |
302 | } | |
303 | ||
304 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, | |
305 | enum bt_ctf_integer_base base) | |
306 | { | |
307 | int ret = 0; | |
308 | ||
309 | if (!type || type->frozen || | |
310 | type->declaration->id != CTF_TYPE_INTEGER) { | |
311 | ret = -1; | |
312 | goto end; | |
313 | } | |
314 | ||
315 | switch (base) { | |
316 | case BT_CTF_INTEGER_BASE_BINARY: | |
317 | case BT_CTF_INTEGER_BASE_OCTAL: | |
318 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
319 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
320 | { | |
321 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
322 | struct bt_ctf_field_type_integer, parent); | |
323 | integer->declaration.base = base; | |
324 | break; | |
325 | } | |
326 | default: | |
327 | ret = -1; | |
328 | } | |
329 | end: | |
330 | return ret; | |
331 | } | |
332 | ||
333 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, | |
334 | enum ctf_string_encoding encoding) | |
335 | { | |
336 | int ret = 0; | |
337 | struct bt_ctf_field_type_integer *integer; | |
338 | ||
339 | if (!type || type->frozen || | |
340 | (type->declaration->id != CTF_TYPE_INTEGER) || | |
341 | (encoding < CTF_STRING_NONE) || | |
342 | (encoding >= CTF_STRING_UNKNOWN)) { | |
343 | ret = -1; | |
344 | goto end; | |
345 | } | |
346 | ||
347 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
348 | integer->declaration.encoding = encoding; | |
349 | end: | |
350 | return ret; | |
351 | } | |
352 | ||
353 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( | |
354 | struct bt_ctf_field_type *integer_container_type) | |
355 | { | |
356 | struct bt_ctf_field_type_enumeration *enumeration = NULL; | |
357 | ||
358 | if (!integer_container_type) { | |
359 | goto error; | |
360 | } | |
361 | ||
362 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); | |
363 | if (!enumeration) { | |
364 | goto error; | |
365 | } | |
366 | ||
367 | enumeration->parent.declaration = &enumeration->declaration.p; | |
368 | enumeration->parent.declaration->id = CTF_TYPE_ENUM; | |
369 | bt_ctf_field_type_get(integer_container_type); | |
370 | enumeration->container = integer_container_type; | |
371 | enumeration->entries = g_ptr_array_new_with_free_func( | |
372 | (GDestroyNotify)destroy_enumeration_mapping); | |
373 | bt_ctf_field_type_init(&enumeration->parent); | |
374 | return &enumeration->parent; | |
375 | error: | |
376 | g_free(enumeration); | |
377 | return NULL; | |
378 | } | |
379 | ||
380 | int bt_ctf_field_type_enumeration_add_mapping( | |
381 | struct bt_ctf_field_type *type, const char *string, | |
382 | int64_t range_start, int64_t range_end) | |
383 | { | |
384 | int ret = 0; | |
385 | GQuark mapping_name; | |
386 | struct enumeration_mapping *mapping; | |
387 | struct bt_ctf_field_type_enumeration *enumeration; | |
388 | struct range_overlap_query query; | |
a39fa057 | 389 | char *escaped_string; |
273b65be JG |
390 | |
391 | if (!type || (type->declaration->id != CTF_TYPE_ENUM) || | |
392 | type->frozen || | |
393 | (range_end < range_start)) { | |
394 | ret = -1; | |
395 | goto end; | |
396 | } | |
397 | ||
a39fa057 | 398 | if (!string || strlen(string) == 0) { |
273b65be JG |
399 | ret = -1; |
400 | goto end; | |
401 | } | |
402 | ||
a39fa057 JG |
403 | escaped_string = g_strescape(string, NULL); |
404 | if (!escaped_string) { | |
405 | ret = -1; | |
406 | goto end; | |
407 | } | |
408 | ||
409 | mapping_name = g_quark_from_string(escaped_string); | |
273b65be JG |
410 | query = (struct range_overlap_query) { .range_start = range_start, |
411 | .range_end = range_end, | |
412 | .mapping_name = mapping_name, | |
413 | .overlaps = 0 }; | |
414 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
415 | parent); | |
416 | ||
417 | /* Check that the range does not overlap with one already present */ | |
418 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); | |
419 | if (query.overlaps) { | |
420 | ret = -1; | |
a39fa057 | 421 | goto error_free; |
273b65be JG |
422 | } |
423 | ||
424 | mapping = g_new(struct enumeration_mapping, 1); | |
425 | if (!mapping) { | |
426 | ret = -1; | |
a39fa057 | 427 | goto error_free; |
273b65be JG |
428 | } |
429 | ||
430 | *mapping = (struct enumeration_mapping) {.range_start = range_start, | |
431 | .range_end = range_end, .string = mapping_name}; | |
432 | g_ptr_array_add(enumeration->entries, mapping); | |
a39fa057 JG |
433 | error_free: |
434 | free(escaped_string); | |
273b65be JG |
435 | end: |
436 | return ret; | |
437 | } | |
438 | ||
439 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) | |
440 | { | |
441 | struct bt_ctf_field_type_floating_point *floating_point = | |
442 | g_new0(struct bt_ctf_field_type_floating_point, 1); | |
443 | ||
444 | if (!floating_point) { | |
445 | goto end; | |
446 | } | |
447 | ||
448 | floating_point->declaration.sign = &floating_point->sign; | |
449 | floating_point->declaration.mantissa = &floating_point->mantissa; | |
450 | floating_point->declaration.exp = &floating_point->exp; | |
451 | floating_point->sign.len = 1; | |
452 | floating_point->parent.declaration = &floating_point->declaration.p; | |
453 | floating_point->parent.declaration->id = CTF_TYPE_FLOAT; | |
454 | floating_point->declaration.exp->len = | |
455 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; | |
456 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; | |
457 | floating_point->sign.p.alignment = 1; | |
458 | floating_point->mantissa.p.alignment = 1; | |
459 | floating_point->exp.p.alignment = 1; | |
460 | ||
461 | bt_ctf_field_type_init(&floating_point->parent); | |
462 | end: | |
463 | return floating_point ? &floating_point->parent : NULL; | |
464 | } | |
465 | ||
466 | int bt_ctf_field_type_floating_point_set_exponent_digits( | |
467 | struct bt_ctf_field_type *type, | |
468 | unsigned int exponent_digits) | |
469 | { | |
470 | int ret = 0; | |
471 | struct bt_ctf_field_type_floating_point *floating_point; | |
472 | ||
473 | if (!type || type->frozen || | |
474 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
475 | ret = -1; | |
476 | goto end; | |
477 | } | |
478 | ||
479 | floating_point = container_of(type, | |
480 | struct bt_ctf_field_type_floating_point, parent); | |
481 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && | |
482 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && | |
483 | (exponent_digits != | |
484 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { | |
485 | ret = -1; | |
486 | goto end; | |
487 | } | |
488 | ||
489 | floating_point->declaration.exp->len = exponent_digits; | |
490 | end: | |
491 | return ret; | |
492 | } | |
493 | ||
494 | int bt_ctf_field_type_floating_point_set_mantissa_digits( | |
495 | struct bt_ctf_field_type *type, | |
496 | unsigned int mantissa_digits) | |
497 | { | |
498 | int ret = 0; | |
499 | struct bt_ctf_field_type_floating_point *floating_point; | |
500 | ||
501 | if (!type || type->frozen || | |
502 | (type->declaration->id != CTF_TYPE_FLOAT)) { | |
503 | ret = -1; | |
504 | goto end; | |
505 | } | |
506 | ||
507 | floating_point = container_of(type, | |
508 | struct bt_ctf_field_type_floating_point, parent); | |
509 | ||
510 | if ((mantissa_digits != FLT_MANT_DIG) && | |
511 | (mantissa_digits != DBL_MANT_DIG) && | |
512 | (mantissa_digits != LDBL_MANT_DIG)) { | |
513 | ret = -1; | |
514 | goto end; | |
515 | } | |
516 | ||
517 | floating_point->declaration.mantissa->len = mantissa_digits - 1; | |
518 | end: | |
519 | return ret; | |
520 | } | |
521 | ||
522 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) | |
523 | { | |
524 | struct bt_ctf_field_type_structure *structure = | |
525 | g_new0(struct bt_ctf_field_type_structure, 1); | |
526 | ||
527 | if (!structure) { | |
528 | goto error; | |
529 | } | |
530 | ||
531 | structure->parent.declaration = &structure->declaration.p; | |
532 | structure->parent.declaration->id = CTF_TYPE_STRUCT; | |
533 | bt_ctf_field_type_init(&structure->parent); | |
534 | structure->fields = g_ptr_array_new_with_free_func( | |
535 | (GDestroyNotify)destroy_structure_field); | |
536 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); | |
537 | return &structure->parent; | |
538 | error: | |
539 | return NULL; | |
540 | } | |
541 | ||
542 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, | |
543 | struct bt_ctf_field_type *field_type, | |
544 | const char *field_name) | |
545 | { | |
546 | int ret = 0; | |
547 | struct bt_ctf_field_type_structure *structure; | |
548 | ||
549 | if (!type || !field_type || type->frozen || | |
550 | validate_identifier(field_name) || | |
9ce21c30 JG |
551 | (type->declaration->id != CTF_TYPE_STRUCT) || |
552 | bt_ctf_field_type_validate(field_type)) { | |
35628ac7 | 553 | ret = -1; |
273b65be JG |
554 | goto end; |
555 | } | |
556 | ||
557 | structure = container_of(type, | |
558 | struct bt_ctf_field_type_structure, parent); | |
559 | if (add_structure_field(structure->fields, | |
560 | structure->field_name_to_index, field_type, field_name)) { | |
561 | ret = -1; | |
562 | goto end; | |
563 | } | |
564 | ||
565 | if (type->declaration->alignment < field_type->declaration->alignment) { | |
566 | type->declaration->alignment = | |
567 | field_type->declaration->alignment; | |
568 | } | |
569 | end: | |
570 | return ret; | |
571 | } | |
572 | ||
573 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( | |
574 | struct bt_ctf_field_type *enum_tag, const char *tag_name) | |
575 | { | |
576 | struct bt_ctf_field_type_variant *variant = NULL; | |
577 | ||
578 | if (!enum_tag || validate_identifier(tag_name) || | |
579 | (enum_tag->declaration->id != CTF_TYPE_ENUM)) { | |
580 | goto error; | |
581 | } | |
582 | ||
583 | variant = g_new0(struct bt_ctf_field_type_variant, 1); | |
584 | if (!variant) { | |
585 | goto error; | |
586 | } | |
587 | ||
588 | variant->parent.declaration = &variant->declaration.p; | |
589 | variant->parent.declaration->id = CTF_TYPE_VARIANT; | |
590 | variant->tag_name = g_string_new(tag_name); | |
591 | bt_ctf_field_type_init(&variant->parent); | |
592 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); | |
593 | variant->fields = g_ptr_array_new_with_free_func( | |
594 | (GDestroyNotify)destroy_structure_field); | |
595 | bt_ctf_field_type_get(enum_tag); | |
596 | variant->tag = container_of(enum_tag, | |
597 | struct bt_ctf_field_type_enumeration, parent); | |
598 | return &variant->parent; | |
599 | error: | |
600 | return NULL; | |
601 | } | |
602 | ||
603 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, | |
604 | struct bt_ctf_field_type *field_type, | |
605 | const char *field_name) | |
606 | { | |
607 | size_t i; | |
608 | int ret = 0; | |
609 | int name_found = 0; | |
610 | struct bt_ctf_field_type_variant *variant; | |
611 | GQuark field_name_quark = g_quark_from_string(field_name); | |
612 | ||
613 | if (!type || !field_type || type->frozen || | |
614 | validate_identifier(field_name) || | |
9ce21c30 JG |
615 | (type->declaration->id != CTF_TYPE_VARIANT) || |
616 | bt_ctf_field_type_validate(field_type)) { | |
273b65be JG |
617 | ret = -1; |
618 | goto end; | |
619 | } | |
620 | ||
621 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
622 | /* Make sure this name is present in the enum tag */ | |
623 | for (i = 0; i < variant->tag->entries->len; i++) { | |
624 | struct enumeration_mapping *mapping = | |
625 | g_ptr_array_index(variant->tag->entries, i); | |
626 | ||
627 | if (mapping->string == field_name_quark) { | |
628 | name_found = 1; | |
629 | break; | |
630 | } | |
631 | } | |
632 | ||
633 | if (!name_found || add_structure_field(variant->fields, | |
634 | variant->field_name_to_index, field_type, field_name)) { | |
635 | ret = -1; | |
636 | goto end; | |
637 | } | |
638 | end: | |
639 | return ret; | |
640 | } | |
641 | ||
642 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( | |
643 | struct bt_ctf_field_type *element_type, | |
644 | unsigned int length) | |
645 | { | |
646 | struct bt_ctf_field_type_array *array = NULL; | |
647 | ||
9ce21c30 JG |
648 | if (!element_type || length == 0 || |
649 | bt_ctf_field_type_validate(element_type)) { | |
273b65be JG |
650 | goto error; |
651 | } | |
652 | ||
653 | array = g_new0(struct bt_ctf_field_type_array, 1); | |
654 | if (!array) { | |
655 | goto error; | |
656 | } | |
657 | ||
658 | array->parent.declaration = &array->declaration.p; | |
659 | array->parent.declaration->id = CTF_TYPE_ARRAY; | |
660 | bt_ctf_field_type_init(&array->parent); | |
661 | bt_ctf_field_type_get(element_type); | |
662 | array->element_type = element_type; | |
663 | array->length = length; | |
664 | array->parent.declaration->alignment = | |
665 | element_type->declaration->alignment; | |
666 | return &array->parent; | |
667 | error: | |
668 | return NULL; | |
669 | } | |
670 | ||
671 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( | |
672 | struct bt_ctf_field_type *element_type, | |
673 | const char *length_field_name) | |
674 | { | |
675 | struct bt_ctf_field_type_sequence *sequence = NULL; | |
676 | ||
9ce21c30 JG |
677 | if (!element_type || validate_identifier(length_field_name) || |
678 | bt_ctf_field_type_validate(element_type)) { | |
273b65be JG |
679 | goto error; |
680 | } | |
681 | ||
682 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); | |
683 | if (!sequence) { | |
684 | goto error; | |
685 | } | |
686 | ||
687 | sequence->parent.declaration = &sequence->declaration.p; | |
688 | sequence->parent.declaration->id = CTF_TYPE_SEQUENCE; | |
689 | bt_ctf_field_type_init(&sequence->parent); | |
690 | bt_ctf_field_type_get(element_type); | |
691 | sequence->element_type = element_type; | |
692 | sequence->length_field_name = g_string_new(length_field_name); | |
693 | sequence->parent.declaration->alignment = | |
694 | element_type->declaration->alignment; | |
695 | return &sequence->parent; | |
696 | error: | |
697 | return NULL; | |
698 | } | |
699 | ||
700 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) | |
701 | { | |
702 | struct bt_ctf_field_type_string *string = | |
703 | g_new0(struct bt_ctf_field_type_string, 1); | |
704 | ||
705 | if (!string) { | |
706 | return NULL; | |
707 | } | |
708 | ||
709 | string->parent.declaration = &string->declaration.p; | |
710 | string->parent.declaration->id = CTF_TYPE_STRING; | |
711 | bt_ctf_field_type_init(&string->parent); | |
712 | string->declaration.encoding = CTF_STRING_UTF8; | |
713 | string->parent.declaration->alignment = CHAR_BIT; | |
714 | return &string->parent; | |
715 | } | |
716 | ||
717 | int bt_ctf_field_type_string_set_encoding( | |
718 | struct bt_ctf_field_type *type, | |
719 | enum ctf_string_encoding encoding) | |
720 | { | |
721 | int ret = 0; | |
722 | struct bt_ctf_field_type_string *string; | |
723 | ||
724 | if (!type || type->declaration->id != CTF_TYPE_STRING || | |
725 | (encoding != CTF_STRING_UTF8 && | |
726 | encoding != CTF_STRING_ASCII)) { | |
727 | ret = -1; | |
728 | goto end; | |
729 | } | |
730 | ||
731 | string = container_of(type, struct bt_ctf_field_type_string, parent); | |
732 | string->declaration.encoding = encoding; | |
733 | end: | |
734 | return ret; | |
735 | } | |
736 | ||
737 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, | |
738 | unsigned int alignment) | |
739 | { | |
740 | int ret = 0; | |
741 | ||
742 | /* Alignment must be bit-aligned (1) or byte aligned */ | |
743 | if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) { | |
744 | ret = -1; | |
745 | goto end; | |
746 | } | |
747 | ||
748 | if (type->declaration->id == CTF_TYPE_STRING && | |
749 | alignment != CHAR_BIT) { | |
750 | ret = -1; | |
751 | goto end; | |
752 | } | |
753 | ||
754 | type->declaration->alignment = alignment; | |
755 | ret = 0; | |
756 | end: | |
757 | return ret; | |
758 | } | |
759 | ||
760 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, | |
761 | enum bt_ctf_byte_order byte_order) | |
762 | { | |
763 | int ret = 0; | |
764 | int internal_byte_order; | |
765 | enum ctf_type_id type_id; | |
766 | ||
767 | if (!type || type->frozen) { | |
768 | ret = -1; | |
769 | goto end; | |
770 | } | |
771 | ||
772 | type_id = type->declaration->id; | |
773 | switch (byte_order) { | |
774 | case BT_CTF_BYTE_ORDER_NATIVE: | |
775 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN ? | |
776 | LITTLE_ENDIAN : BIG_ENDIAN); | |
777 | break; | |
778 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
779 | internal_byte_order = LITTLE_ENDIAN; | |
780 | break; | |
781 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
782 | case BT_CTF_BYTE_ORDER_NETWORK: | |
783 | internal_byte_order = BIG_ENDIAN; | |
784 | break; | |
785 | default: | |
786 | ret = -1; | |
787 | goto end; | |
788 | } | |
789 | ||
790 | if (set_byte_order_funcs[type_id]) { | |
791 | set_byte_order_funcs[type_id](type, internal_byte_order); | |
792 | } | |
793 | end: | |
794 | return ret; | |
795 | } | |
796 | ||
797 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) | |
798 | { | |
799 | if (!type) { | |
800 | return; | |
801 | } | |
802 | ||
803 | bt_ctf_ref_get(&type->ref_count); | |
804 | } | |
805 | ||
806 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) | |
807 | { | |
808 | enum ctf_type_id type_id; | |
809 | ||
810 | if (!type) { | |
811 | return; | |
812 | } | |
813 | ||
814 | type_id = type->declaration->id; | |
815 | assert(type_id > CTF_TYPE_UNKNOWN && type_id < NR_CTF_TYPES); | |
816 | bt_ctf_ref_put(&type->ref_count, type_destroy_funcs[type_id]); | |
817 | } | |
818 | ||
819 | BT_HIDDEN | |
820 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) | |
821 | { | |
822 | if (!type) { | |
823 | return; | |
824 | } | |
825 | ||
826 | type->freeze(type); | |
827 | } | |
828 | ||
829 | BT_HIDDEN | |
830 | enum ctf_type_id bt_ctf_field_type_get_type_id( | |
831 | struct bt_ctf_field_type *type) | |
832 | { | |
833 | if (!type) { | |
834 | return CTF_TYPE_UNKNOWN; | |
835 | } | |
836 | ||
837 | return type->declaration->id; | |
838 | } | |
839 | ||
840 | BT_HIDDEN | |
841 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type( | |
842 | struct bt_ctf_field_type_structure *structure, | |
843 | const char *name) | |
844 | { | |
845 | struct bt_ctf_field_type *type = NULL; | |
846 | struct structure_field *field; | |
847 | GQuark name_quark = g_quark_try_string(name); | |
848 | size_t index; | |
849 | ||
850 | if (!name_quark) { | |
851 | goto end; | |
852 | } | |
853 | ||
854 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
855 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
856 | goto end; | |
857 | } | |
858 | ||
859 | field = structure->fields->pdata[index]; | |
860 | type = field->type; | |
861 | end: | |
862 | return type; | |
863 | } | |
864 | ||
865 | BT_HIDDEN | |
866 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( | |
867 | struct bt_ctf_field_type_array *array) | |
868 | { | |
869 | assert(array); | |
870 | return array->element_type; | |
871 | } | |
872 | ||
873 | BT_HIDDEN | |
874 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( | |
875 | struct bt_ctf_field_type_sequence *sequence) | |
876 | { | |
877 | assert(sequence); | |
878 | return sequence->element_type; | |
879 | } | |
880 | ||
881 | BT_HIDDEN | |
882 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type( | |
883 | struct bt_ctf_field_type_variant *variant, | |
884 | int64_t tag_value) | |
885 | { | |
886 | struct bt_ctf_field_type *type = NULL; | |
887 | GQuark field_name_quark; | |
888 | gpointer index; | |
889 | struct structure_field *field_entry; | |
890 | struct range_overlap_query query = {.range_start = tag_value, | |
891 | .range_end = tag_value, .mapping_name = 0, .overlaps = 0}; | |
892 | ||
893 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, | |
894 | &query); | |
895 | if (!query.overlaps) { | |
896 | goto end; | |
897 | } | |
898 | ||
899 | field_name_quark = query.mapping_name; | |
900 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
901 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
902 | goto end; | |
903 | } | |
904 | ||
905 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); | |
906 | type = field_entry->type; | |
907 | end: | |
908 | return type; | |
909 | } | |
910 | ||
911 | BT_HIDDEN | |
912 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, | |
913 | struct metadata_context *context) | |
914 | { | |
915 | int ret; | |
916 | ||
917 | if (!type || !context) { | |
918 | ret = -1; | |
919 | goto end; | |
920 | } | |
921 | ||
922 | ret = type->serialize(type, context); | |
923 | end: | |
924 | return ret; | |
925 | } | |
926 | ||
927 | static | |
928 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref) | |
929 | { | |
930 | struct bt_ctf_field_type_integer *integer; | |
931 | ||
932 | if (!ref) { | |
933 | return; | |
934 | } | |
935 | ||
936 | integer = container_of( | |
937 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
938 | struct bt_ctf_field_type_integer, parent); | |
939 | g_free(integer); | |
940 | } | |
941 | ||
942 | static | |
943 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref) | |
944 | { | |
945 | struct bt_ctf_field_type_enumeration *enumeration; | |
946 | ||
947 | if (!ref) { | |
948 | return; | |
949 | } | |
950 | ||
951 | enumeration = container_of( | |
952 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
953 | struct bt_ctf_field_type_enumeration, parent); | |
954 | g_ptr_array_free(enumeration->entries, TRUE); | |
955 | bt_ctf_field_type_put(enumeration->container); | |
956 | g_free(enumeration); | |
957 | } | |
958 | ||
959 | static | |
960 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref) | |
961 | { | |
962 | struct bt_ctf_field_type_floating_point *floating_point; | |
963 | ||
964 | if (!ref) { | |
965 | return; | |
966 | } | |
967 | ||
968 | floating_point = container_of( | |
969 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
970 | struct bt_ctf_field_type_floating_point, parent); | |
971 | g_free(floating_point); | |
972 | } | |
973 | ||
974 | static | |
975 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref) | |
976 | { | |
977 | struct bt_ctf_field_type_structure *structure; | |
978 | ||
979 | if (!ref) { | |
980 | return; | |
981 | } | |
982 | ||
983 | structure = container_of( | |
984 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
985 | struct bt_ctf_field_type_structure, parent); | |
986 | g_ptr_array_free(structure->fields, TRUE); | |
987 | g_hash_table_destroy(structure->field_name_to_index); | |
988 | g_free(structure); | |
989 | } | |
990 | ||
991 | static | |
992 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref) | |
993 | { | |
994 | struct bt_ctf_field_type_variant *variant; | |
995 | ||
996 | if (!ref) { | |
997 | return; | |
998 | } | |
999 | ||
1000 | variant = container_of( | |
1001 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1002 | struct bt_ctf_field_type_variant, parent); | |
1003 | g_ptr_array_free(variant->fields, TRUE); | |
1004 | g_hash_table_destroy(variant->field_name_to_index); | |
1005 | g_string_free(variant->tag_name, TRUE); | |
1006 | bt_ctf_field_type_put(&variant->tag->parent); | |
1007 | g_free(variant); | |
1008 | } | |
1009 | ||
1010 | static | |
1011 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref) | |
1012 | { | |
1013 | struct bt_ctf_field_type_array *array; | |
1014 | ||
1015 | if (!ref) { | |
1016 | return; | |
1017 | } | |
1018 | ||
1019 | array = container_of( | |
1020 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1021 | struct bt_ctf_field_type_array, parent); | |
1022 | bt_ctf_field_type_put(array->element_type); | |
1023 | g_free(array); | |
1024 | } | |
1025 | ||
1026 | static | |
1027 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref) | |
1028 | { | |
1029 | struct bt_ctf_field_type_sequence *sequence; | |
1030 | ||
1031 | if (!ref) { | |
1032 | return; | |
1033 | } | |
1034 | ||
1035 | sequence = container_of( | |
1036 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1037 | struct bt_ctf_field_type_sequence, parent); | |
1038 | bt_ctf_field_type_put(sequence->element_type); | |
1039 | g_string_free(sequence->length_field_name, TRUE); | |
1040 | g_free(sequence); | |
1041 | } | |
1042 | ||
1043 | static | |
1044 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref) | |
1045 | { | |
1046 | struct bt_ctf_field_type_string *string; | |
1047 | ||
1048 | if (!ref) { | |
1049 | return; | |
1050 | } | |
1051 | ||
1052 | string = container_of( | |
1053 | container_of(ref, struct bt_ctf_field_type, ref_count), | |
1054 | struct bt_ctf_field_type_string, parent); | |
1055 | g_free(string); | |
1056 | } | |
1057 | ||
1058 | static | |
1059 | void generic_field_type_freeze(struct bt_ctf_field_type *type) | |
1060 | { | |
1061 | type->frozen = 1; | |
1062 | } | |
1063 | ||
1064 | static | |
1065 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) | |
1066 | { | |
1067 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( | |
1068 | type, struct bt_ctf_field_type_enumeration, parent); | |
1069 | ||
1070 | generic_field_type_freeze(type); | |
1071 | bt_ctf_field_type_freeze(enumeration_type->container); | |
1072 | } | |
1073 | ||
1074 | static | |
1075 | void freeze_structure_field(struct structure_field *field) | |
1076 | { | |
1077 | bt_ctf_field_type_freeze(field->type); | |
1078 | } | |
1079 | ||
1080 | static | |
1081 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) | |
1082 | { | |
1083 | struct bt_ctf_field_type_structure *structure_type = container_of( | |
1084 | type, struct bt_ctf_field_type_structure, parent); | |
1085 | ||
1086 | generic_field_type_freeze(type); | |
1087 | g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field, | |
1088 | NULL); | |
1089 | } | |
1090 | ||
1091 | static | |
1092 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) | |
1093 | { | |
1094 | struct bt_ctf_field_type_variant *variant_type = container_of( | |
1095 | type, struct bt_ctf_field_type_variant, parent); | |
1096 | ||
1097 | generic_field_type_freeze(type); | |
1098 | g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field, | |
1099 | NULL); | |
1100 | } | |
1101 | ||
1102 | static | |
1103 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) | |
1104 | { | |
1105 | struct bt_ctf_field_type_array *array_type = container_of( | |
1106 | type, struct bt_ctf_field_type_array, parent); | |
1107 | ||
1108 | generic_field_type_freeze(type); | |
1109 | bt_ctf_field_type_freeze(array_type->element_type); | |
1110 | } | |
1111 | ||
1112 | static | |
1113 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) | |
1114 | { | |
1115 | struct bt_ctf_field_type_sequence *sequence_type = container_of( | |
1116 | type, struct bt_ctf_field_type_sequence, parent); | |
1117 | ||
1118 | generic_field_type_freeze(type); | |
1119 | bt_ctf_field_type_freeze(sequence_type->element_type); | |
1120 | } | |
1121 | ||
1122 | static | |
1123 | const char *get_encoding_string(enum ctf_string_encoding encoding) | |
1124 | { | |
1125 | const char *encoding_string; | |
1126 | ||
1127 | switch (encoding) { | |
1128 | case CTF_STRING_NONE: | |
1129 | encoding_string = "none"; | |
1130 | break; | |
1131 | case CTF_STRING_ASCII: | |
1132 | encoding_string = "ASCII"; | |
1133 | break; | |
1134 | case CTF_STRING_UTF8: | |
1135 | encoding_string = "UTF8"; | |
1136 | break; | |
1137 | default: | |
1138 | encoding_string = "unknown"; | |
1139 | break; | |
1140 | } | |
1141 | ||
1142 | return encoding_string; | |
1143 | } | |
1144 | ||
1145 | static | |
1146 | const char *get_integer_base_string(enum bt_ctf_integer_base base) | |
1147 | { | |
1148 | const char *base_string; | |
1149 | ||
1150 | switch (base) { | |
1151 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
1152 | base_string = "decimal"; | |
1153 | break; | |
1154 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
1155 | base_string = "hexadecimal"; | |
1156 | break; | |
1157 | case BT_CTF_INTEGER_BASE_OCTAL: | |
1158 | base_string = "octal"; | |
1159 | break; | |
1160 | case BT_CTF_INTEGER_BASE_BINARY: | |
1161 | base_string = "binary"; | |
1162 | break; | |
1163 | default: | |
1164 | base_string = "unknown"; | |
1165 | break; | |
1166 | } | |
1167 | ||
1168 | return base_string; | |
1169 | } | |
1170 | ||
1171 | static | |
1172 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, | |
1173 | struct metadata_context *context) | |
1174 | { | |
1175 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
1176 | struct bt_ctf_field_type_integer, parent); | |
1177 | ||
1178 | g_string_append_printf(context->string, | |
1179 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s; }", | |
1180 | integer->declaration.len, type->declaration->alignment, | |
1181 | (integer->declaration.signedness ? "true" : "false"), | |
1182 | get_encoding_string(integer->declaration.encoding), | |
1183 | get_integer_base_string(integer->declaration.base), | |
1184 | get_byte_order_string(integer->declaration.byte_order)); | |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | static | |
1189 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, | |
1190 | struct metadata_context *context) | |
1191 | { | |
1192 | size_t entry; | |
9ce21c30 | 1193 | int ret; |
273b65be JG |
1194 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, |
1195 | struct bt_ctf_field_type_enumeration, parent); | |
1196 | ||
9ce21c30 JG |
1197 | ret = bt_ctf_field_type_validate(type); |
1198 | if (ret) { | |
1199 | goto end; | |
1200 | } | |
1201 | ||
273b65be JG |
1202 | g_string_append(context->string, "enum : "); |
1203 | ret = bt_ctf_field_type_serialize(enumeration->container, context); | |
1204 | if (ret) { | |
1205 | goto end; | |
1206 | } | |
1207 | ||
1208 | g_string_append(context->string, " { "); | |
1209 | for (entry = 0; entry < enumeration->entries->len; entry++) { | |
1210 | struct enumeration_mapping *mapping = | |
1211 | enumeration->entries->pdata[entry]; | |
1212 | ||
1213 | if (mapping->range_start == mapping->range_end) { | |
a39fa057 JG |
1214 | g_string_append_printf(context->string, |
1215 | "\"%s\" = %" PRId64, | |
273b65be JG |
1216 | g_quark_to_string(mapping->string), |
1217 | mapping->range_start); | |
1218 | } else { | |
1219 | g_string_append_printf(context->string, | |
a39fa057 | 1220 | "\"%s\" = %" PRId64 " ... %" PRId64, |
273b65be JG |
1221 | g_quark_to_string(mapping->string), |
1222 | mapping->range_start, mapping->range_end); | |
1223 | } | |
1224 | ||
1225 | g_string_append(context->string, | |
1226 | ((entry != (enumeration->entries->len - 1)) ? | |
1227 | ", " : " }")); | |
1228 | } | |
1229 | ||
1230 | if (context->field_name->len) { | |
1231 | g_string_append_printf(context->string, " %s", | |
1232 | context->field_name->str); | |
1233 | g_string_assign(context->field_name, ""); | |
1234 | } | |
1235 | end: | |
1236 | return ret; | |
1237 | } | |
1238 | ||
1239 | static | |
1240 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, | |
1241 | struct metadata_context *context) | |
1242 | { | |
1243 | struct bt_ctf_field_type_floating_point *floating_point = container_of( | |
1244 | type, struct bt_ctf_field_type_floating_point, parent); | |
1245 | ||
1246 | g_string_append_printf(context->string, | |
1247 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", | |
1248 | floating_point->declaration.exp->len, | |
1249 | floating_point->declaration.mantissa->len + 1, | |
1250 | get_byte_order_string(floating_point->declaration.byte_order), | |
1251 | type->declaration->alignment); | |
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static | |
1256 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, | |
1257 | struct metadata_context *context) | |
1258 | { | |
1259 | size_t i; | |
1260 | unsigned int indent; | |
1261 | int ret = 0; | |
1262 | struct bt_ctf_field_type_structure *structure = container_of(type, | |
1263 | struct bt_ctf_field_type_structure, parent); | |
1264 | GString *structure_field_name = context->field_name; | |
1265 | ||
1266 | context->field_name = g_string_new(""); | |
1267 | ||
1268 | context->current_indentation_level++; | |
1269 | g_string_append(context->string, "struct {\n"); | |
1270 | ||
1271 | for (i = 0; i < structure->fields->len; i++) { | |
1272 | struct structure_field *field; | |
1273 | ||
1274 | for (indent = 0; indent < context->current_indentation_level; | |
1275 | indent++) { | |
1276 | g_string_append_c(context->string, '\t'); | |
1277 | } | |
1278 | ||
1279 | field = structure->fields->pdata[i]; | |
1280 | g_string_assign(context->field_name, | |
1281 | g_quark_to_string(field->name)); | |
1282 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1283 | if (ret) { | |
1284 | goto end; | |
1285 | } | |
1286 | ||
1287 | if (context->field_name->len) { | |
1288 | g_string_append_printf(context->string, " %s", | |
1289 | context->field_name->str); | |
1290 | } | |
1291 | g_string_append(context->string, ";\n"); | |
1292 | } | |
1293 | ||
1294 | context->current_indentation_level--; | |
1295 | for (indent = 0; indent < context->current_indentation_level; | |
1296 | indent++) { | |
1297 | g_string_append_c(context->string, '\t'); | |
1298 | } | |
1299 | ||
1300 | g_string_append_printf(context->string, "} align(%zu)", | |
1301 | type->declaration->alignment); | |
1302 | end: | |
1303 | g_string_free(context->field_name, TRUE); | |
1304 | context->field_name = structure_field_name; | |
1305 | return ret; | |
1306 | } | |
1307 | ||
1308 | static | |
1309 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, | |
1310 | struct metadata_context *context) | |
1311 | { | |
1312 | size_t i; | |
1313 | unsigned int indent; | |
1314 | int ret = 0; | |
1315 | struct bt_ctf_field_type_variant *variant = container_of( | |
1316 | type, struct bt_ctf_field_type_variant, parent); | |
1317 | GString *variant_field_name = context->field_name; | |
1318 | ||
1319 | context->field_name = g_string_new(""); | |
1320 | g_string_append_printf(context->string, | |
1321 | "variant <%s> {\n", variant->tag_name->str); | |
1322 | context->current_indentation_level++; | |
1323 | for (i = 0; i < variant->fields->len; i++) { | |
1324 | struct structure_field *field = variant->fields->pdata[i]; | |
1325 | ||
1326 | g_string_assign(context->field_name, | |
1327 | g_quark_to_string(field->name)); | |
1328 | for (indent = 0; indent < context->current_indentation_level; | |
1329 | indent++) { | |
1330 | g_string_append_c(context->string, '\t'); | |
1331 | } | |
1332 | ||
1333 | g_string_assign(context->field_name, | |
1334 | g_quark_to_string(field->name)); | |
1335 | ret = bt_ctf_field_type_serialize(field->type, context); | |
1336 | if (ret) { | |
1337 | goto end; | |
1338 | } | |
1339 | ||
1340 | if (context->field_name->len) { | |
1341 | g_string_append_printf(context->string, " %s;", | |
1342 | context->field_name->str); | |
1343 | } | |
1344 | ||
1345 | g_string_append_c(context->string, '\n'); | |
1346 | } | |
1347 | ||
1348 | context->current_indentation_level--; | |
1349 | for (indent = 0; indent < context->current_indentation_level; | |
1350 | indent++) { | |
1351 | g_string_append_c(context->string, '\t'); | |
1352 | } | |
1353 | ||
1354 | g_string_append(context->string, "}"); | |
1355 | end: | |
1356 | g_string_free(context->field_name, TRUE); | |
1357 | context->field_name = variant_field_name; | |
1358 | return ret; | |
1359 | } | |
1360 | ||
1361 | static | |
1362 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, | |
1363 | struct metadata_context *context) | |
1364 | { | |
1365 | int ret = 0; | |
1366 | struct bt_ctf_field_type_array *array = container_of(type, | |
1367 | struct bt_ctf_field_type_array, parent); | |
1368 | ||
1369 | ret = bt_ctf_field_type_serialize(array->element_type, context); | |
1370 | if (ret) { | |
1371 | goto end; | |
1372 | } | |
1373 | ||
1374 | if (context->field_name->len) { | |
1375 | g_string_append_printf(context->string, " %s[%u]", | |
1376 | context->field_name->str, array->length); | |
1377 | g_string_assign(context->field_name, ""); | |
1378 | } else { | |
1379 | g_string_append_printf(context->string, "[%u]", array->length); | |
1380 | } | |
1381 | end: | |
1382 | return ret; | |
1383 | } | |
1384 | ||
1385 | static | |
1386 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, | |
1387 | struct metadata_context *context) | |
1388 | { | |
1389 | int ret = 0; | |
1390 | struct bt_ctf_field_type_sequence *sequence = container_of( | |
1391 | type, struct bt_ctf_field_type_sequence, parent); | |
1392 | ||
1393 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); | |
1394 | if (ret) { | |
1395 | goto end; | |
1396 | } | |
1397 | ||
1398 | if (context->field_name->len) { | |
1399 | g_string_append_printf(context->string, " %s[%s]", | |
1400 | context->field_name->str, | |
1401 | sequence->length_field_name->str); | |
1402 | g_string_assign(context->field_name, ""); | |
1403 | } else { | |
1404 | g_string_append_printf(context->string, "[%s]", | |
1405 | sequence->length_field_name->str); | |
1406 | } | |
1407 | end: | |
1408 | return ret; | |
1409 | } | |
1410 | ||
1411 | static | |
1412 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, | |
1413 | struct metadata_context *context) | |
1414 | { | |
1415 | struct bt_ctf_field_type_string *string = container_of( | |
1416 | type, struct bt_ctf_field_type_string, parent); | |
1417 | ||
1418 | g_string_append_printf(context->string, | |
1419 | "string { encoding = %s; }", | |
1420 | get_encoding_string(string->declaration.encoding)); | |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | static | |
1425 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, | |
1426 | int byte_order) | |
1427 | { | |
1428 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1429 | struct bt_ctf_field_type_integer, parent); | |
1430 | ||
1431 | integer_type->declaration.byte_order = byte_order; | |
1432 | } | |
1433 | ||
1434 | static | |
1435 | void bt_ctf_field_type_floating_point_set_byte_order( | |
1436 | struct bt_ctf_field_type *type, int byte_order) | |
1437 | { | |
1438 | struct bt_ctf_field_type_floating_point *floating_point_type = | |
1439 | container_of(type, struct bt_ctf_field_type_floating_point, | |
1440 | parent); | |
1441 | ||
1442 | floating_point_type->declaration.byte_order = byte_order; | |
1443 | floating_point_type->sign.byte_order = byte_order; | |
1444 | floating_point_type->mantissa.byte_order = byte_order; | |
1445 | floating_point_type->exp.byte_order = byte_order; | |
1446 | } |