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1c822dfb JG |
1 | /* |
2 | * field-types.c | |
3 | * | |
4 | * Babeltrace CTF IR - Event Types | |
5 | * | |
6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
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-ir/field-types-internal.h> | |
30 | #include <babeltrace/ctf-ir/field-path-internal.h> | |
31 | #include <babeltrace/ctf-ir/utils.h> | |
32 | #include <babeltrace/ref.h> | |
33 | #include <babeltrace/ctf-ir/clock.h> | |
34 | #include <babeltrace/ctf-ir/clock-internal.h> | |
35 | #include <babeltrace/ctf-writer/writer-internal.h> | |
36 | #include <babeltrace/object-internal.h> | |
37 | #include <babeltrace/ref.h> | |
38 | #include <babeltrace/compiler.h> | |
39 | #include <babeltrace/endian.h> | |
40 | #include <float.h> | |
41 | #include <inttypes.h> | |
42 | #include <stdlib.h> | |
43 | ||
44 | struct range_overlap_query { | |
45 | union { | |
46 | uint64_t _unsigned; | |
47 | int64_t _signed; | |
48 | } range_start; | |
49 | ||
50 | union { | |
51 | uint64_t _unsigned; | |
52 | int64_t _signed; | |
53 | } range_end; | |
54 | int overlaps; | |
55 | GQuark mapping_name; | |
56 | }; | |
57 | ||
58 | static | |
59 | void bt_ctf_field_type_destroy(struct bt_object *); | |
60 | static | |
61 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *); | |
62 | static | |
63 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *); | |
64 | static | |
65 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *); | |
66 | static | |
67 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *); | |
68 | static | |
69 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *); | |
70 | static | |
71 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *); | |
72 | static | |
73 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *); | |
74 | static | |
75 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *); | |
76 | ||
77 | static | |
78 | void (* const type_destroy_funcs[])(struct bt_ctf_field_type *) = { | |
79 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_destroy, | |
80 | [BT_CTF_TYPE_ID_ENUM] = | |
81 | bt_ctf_field_type_enumeration_destroy, | |
82 | [BT_CTF_TYPE_ID_FLOAT] = | |
83 | bt_ctf_field_type_floating_point_destroy, | |
84 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_destroy, | |
85 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_destroy, | |
86 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_destroy, | |
87 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_destroy, | |
88 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_destroy, | |
89 | }; | |
90 | ||
91 | static | |
92 | void generic_field_type_freeze(struct bt_ctf_field_type *); | |
93 | static | |
94 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *); | |
95 | static | |
96 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); | |
97 | static | |
98 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); | |
99 | static | |
100 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); | |
101 | static | |
102 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); | |
103 | static | |
104 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); | |
105 | ||
106 | static | |
107 | type_freeze_func const type_freeze_funcs[] = { | |
108 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_freeze, | |
109 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_freeze, | |
110 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_type_freeze, | |
111 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_freeze, | |
112 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_freeze, | |
113 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_freeze, | |
114 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_freeze, | |
115 | [BT_CTF_TYPE_ID_STRING] = generic_field_type_freeze, | |
116 | }; | |
117 | ||
118 | static | |
119 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, | |
120 | struct metadata_context *); | |
121 | static | |
122 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, | |
123 | struct metadata_context *); | |
124 | static | |
125 | int bt_ctf_field_type_floating_point_serialize( | |
126 | struct bt_ctf_field_type *, struct metadata_context *); | |
127 | static | |
128 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, | |
129 | struct metadata_context *); | |
130 | static | |
131 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, | |
132 | struct metadata_context *); | |
133 | static | |
134 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, | |
135 | struct metadata_context *); | |
136 | static | |
137 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, | |
138 | struct metadata_context *); | |
139 | static | |
140 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, | |
141 | struct metadata_context *); | |
142 | ||
143 | static | |
144 | type_serialize_func const type_serialize_funcs[] = { | |
145 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_serialize, | |
146 | [BT_CTF_TYPE_ID_ENUM] = | |
147 | bt_ctf_field_type_enumeration_serialize, | |
148 | [BT_CTF_TYPE_ID_FLOAT] = | |
149 | bt_ctf_field_type_floating_point_serialize, | |
150 | [BT_CTF_TYPE_ID_STRUCT] = | |
151 | bt_ctf_field_type_structure_serialize, | |
152 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_serialize, | |
153 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_serialize, | |
154 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_serialize, | |
155 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_serialize, | |
156 | }; | |
157 | ||
158 | static | |
159 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, | |
160 | int byte_order, int set_native); | |
161 | static | |
162 | void bt_ctf_field_type_enumeration_set_byte_order(struct bt_ctf_field_type *, | |
163 | int byte_order, int set_native); | |
164 | static | |
165 | void bt_ctf_field_type_floating_point_set_byte_order( | |
166 | struct bt_ctf_field_type *, int byte_order, int set_native); | |
167 | static | |
168 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *, | |
169 | int byte_order, int set_native); | |
170 | static | |
171 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *, | |
172 | int byte_order, int set_native); | |
173 | static | |
174 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *, | |
175 | int byte_order, int set_native); | |
176 | static | |
177 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *, | |
178 | int byte_order, int set_native); | |
179 | ||
180 | /* The set_native flag only set the byte order if it is set to native */ | |
181 | static | |
182 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, | |
183 | int byte_order, int set_native) = { | |
184 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_set_byte_order, | |
185 | [BT_CTF_TYPE_ID_ENUM] = | |
186 | bt_ctf_field_type_enumeration_set_byte_order, | |
187 | [BT_CTF_TYPE_ID_FLOAT] = | |
188 | bt_ctf_field_type_floating_point_set_byte_order, | |
189 | [BT_CTF_TYPE_ID_STRUCT] = | |
190 | bt_ctf_field_type_structure_set_byte_order, | |
191 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_set_byte_order, | |
192 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_set_byte_order, | |
193 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_set_byte_order, | |
194 | [BT_CTF_TYPE_ID_STRING] = NULL, | |
195 | }; | |
196 | ||
197 | static | |
198 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( | |
199 | struct bt_ctf_field_type *); | |
200 | static | |
201 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( | |
202 | struct bt_ctf_field_type *); | |
203 | static | |
204 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( | |
205 | struct bt_ctf_field_type *); | |
206 | static | |
207 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( | |
208 | struct bt_ctf_field_type *); | |
209 | static | |
210 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( | |
211 | struct bt_ctf_field_type *); | |
212 | static | |
213 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( | |
214 | struct bt_ctf_field_type *); | |
215 | static | |
216 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( | |
217 | struct bt_ctf_field_type *); | |
218 | static | |
219 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( | |
220 | struct bt_ctf_field_type *); | |
221 | ||
222 | static | |
223 | struct bt_ctf_field_type *(* const type_copy_funcs[])( | |
224 | struct bt_ctf_field_type *) = { | |
225 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_copy, | |
226 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_copy, | |
227 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_copy, | |
228 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_copy, | |
229 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_copy, | |
230 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_copy, | |
231 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_copy, | |
232 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_copy, | |
233 | }; | |
234 | ||
235 | static | |
236 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *, | |
237 | struct bt_ctf_field_type *); | |
238 | static | |
239 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *, | |
240 | struct bt_ctf_field_type *); | |
241 | static | |
242 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *, | |
243 | struct bt_ctf_field_type *); | |
244 | static | |
245 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *, | |
246 | struct bt_ctf_field_type *); | |
247 | static | |
248 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *, | |
249 | struct bt_ctf_field_type *); | |
250 | static | |
251 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *, | |
252 | struct bt_ctf_field_type *); | |
253 | static | |
254 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *, | |
255 | struct bt_ctf_field_type *); | |
256 | static | |
257 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *, | |
258 | struct bt_ctf_field_type *); | |
259 | ||
260 | static | |
261 | int (* const type_compare_funcs[])(struct bt_ctf_field_type *, | |
262 | struct bt_ctf_field_type *) = { | |
263 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_compare, | |
264 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_compare, | |
265 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_type_floating_point_compare, | |
266 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_compare, | |
267 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_compare, | |
268 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_compare, | |
269 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_compare, | |
270 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_type_string_compare, | |
271 | }; | |
272 | ||
273 | static | |
274 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *); | |
275 | static | |
276 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *); | |
277 | static | |
278 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *); | |
279 | static | |
280 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *); | |
281 | static | |
282 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *); | |
283 | static | |
284 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *); | |
285 | ||
286 | static | |
287 | int (* const type_validate_funcs[])(struct bt_ctf_field_type *) = { | |
288 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_type_integer_validate, | |
289 | [BT_CTF_TYPE_ID_FLOAT] = NULL, | |
290 | [BT_CTF_TYPE_ID_STRING] = NULL, | |
291 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_type_enumeration_validate, | |
292 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_type_structure_validate, | |
293 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_type_variant_validate, | |
294 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_type_array_validate, | |
295 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_type_sequence_validate, | |
296 | }; | |
297 | ||
298 | static | |
299 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) | |
300 | { | |
301 | g_free(mapping); | |
302 | } | |
303 | ||
304 | static | |
305 | void destroy_structure_field(struct structure_field *field) | |
306 | { | |
307 | bt_put(field->type); | |
308 | g_free(field); | |
309 | } | |
310 | ||
311 | static | |
312 | void check_ranges_overlap(gpointer element, gpointer query) | |
313 | { | |
314 | struct enumeration_mapping *mapping = element; | |
315 | struct range_overlap_query *overlap_query = query; | |
316 | ||
317 | if (mapping->range_start._signed <= overlap_query->range_end._signed | |
318 | && overlap_query->range_start._signed <= | |
319 | mapping->range_end._signed) { | |
320 | overlap_query->overlaps = 1; | |
321 | overlap_query->mapping_name = mapping->string; | |
322 | } | |
323 | ||
324 | overlap_query->overlaps |= | |
325 | mapping->string == overlap_query->mapping_name; | |
326 | } | |
327 | ||
328 | static | |
329 | void check_ranges_overlap_unsigned(gpointer element, gpointer query) | |
330 | { | |
331 | struct enumeration_mapping *mapping = element; | |
332 | struct range_overlap_query *overlap_query = query; | |
333 | ||
334 | if (mapping->range_start._unsigned <= overlap_query->range_end._unsigned | |
335 | && overlap_query->range_start._unsigned <= | |
336 | mapping->range_end._unsigned) { | |
337 | overlap_query->overlaps = 1; | |
338 | overlap_query->mapping_name = mapping->string; | |
339 | } | |
340 | ||
341 | overlap_query->overlaps |= | |
342 | mapping->string == overlap_query->mapping_name; | |
343 | } | |
344 | ||
345 | static | |
346 | gint compare_enumeration_mappings_signed(struct enumeration_mapping **a, | |
347 | struct enumeration_mapping **b) | |
348 | { | |
349 | return ((*a)->range_start._signed < (*b)->range_start._signed) ? -1 : 1; | |
350 | } | |
351 | ||
352 | static | |
353 | gint compare_enumeration_mappings_unsigned(struct enumeration_mapping **a, | |
354 | struct enumeration_mapping **b) | |
355 | { | |
356 | return ((*a)->range_start._unsigned < (*b)->range_start._unsigned) ? -1 : 1; | |
357 | } | |
358 | ||
359 | static | |
360 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type, int init_bo) | |
361 | { | |
362 | enum bt_ctf_type_id type_id = type->declaration->id; | |
363 | ||
364 | assert(type && (type_id > BT_CTF_TYPE_ID_UNKNOWN) && | |
365 | (type_id < BT_CTF_NR_TYPE_IDS)); | |
366 | ||
367 | bt_object_init(type, bt_ctf_field_type_destroy); | |
368 | type->freeze = type_freeze_funcs[type_id]; | |
369 | type->serialize = type_serialize_funcs[type_id]; | |
370 | ||
371 | if (init_bo) { | |
372 | int ret = bt_ctf_field_type_set_byte_order(type, | |
373 | BT_CTF_BYTE_ORDER_NATIVE); | |
374 | assert(!ret); | |
375 | } | |
376 | ||
377 | type->declaration->alignment = 1; | |
378 | } | |
379 | ||
380 | static | |
381 | int add_structure_field(GPtrArray *fields, | |
382 | GHashTable *field_name_to_index, | |
383 | struct bt_ctf_field_type *field_type, | |
384 | const char *field_name) | |
385 | { | |
386 | int ret = 0; | |
387 | GQuark name_quark = g_quark_from_string(field_name); | |
388 | struct structure_field *field; | |
389 | ||
390 | /* Make sure structure does not contain a field of the same name */ | |
391 | if (g_hash_table_lookup_extended(field_name_to_index, | |
392 | GUINT_TO_POINTER(name_quark), NULL, NULL)) { | |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
397 | field = g_new0(struct structure_field, 1); | |
398 | if (!field) { | |
399 | ret = -1; | |
400 | goto end; | |
401 | } | |
402 | ||
403 | bt_get(field_type); | |
404 | field->name = name_quark; | |
405 | field->type = field_type; | |
406 | g_hash_table_insert(field_name_to_index, | |
407 | (gpointer) (unsigned long) name_quark, | |
408 | (gpointer) (unsigned long) fields->len); | |
409 | g_ptr_array_add(fields, field); | |
410 | end: | |
411 | return ret; | |
412 | } | |
413 | ||
414 | static | |
415 | void bt_ctf_field_type_destroy(struct bt_object *obj) | |
416 | { | |
417 | struct bt_ctf_field_type *type; | |
418 | enum bt_ctf_type_id type_id; | |
419 | ||
420 | type = container_of(obj, struct bt_ctf_field_type, base); | |
421 | type_id = type->declaration->id; | |
422 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || | |
423 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
424 | return; | |
425 | } | |
426 | ||
427 | type_destroy_funcs[type_id](type); | |
428 | } | |
429 | ||
430 | static | |
431 | int bt_ctf_field_type_integer_validate(struct bt_ctf_field_type *type) | |
432 | { | |
433 | int ret = 0; | |
434 | ||
435 | struct bt_ctf_field_type_integer *integer = | |
436 | container_of(type, struct bt_ctf_field_type_integer, | |
437 | parent); | |
438 | ||
439 | if (integer->mapped_clock && integer->declaration.signedness) { | |
440 | ret = -1; | |
441 | goto end; | |
442 | } | |
443 | ||
444 | end: | |
445 | return ret; | |
446 | } | |
447 | ||
448 | static | |
449 | int bt_ctf_field_type_enumeration_validate(struct bt_ctf_field_type *type) | |
450 | { | |
451 | int ret = 0; | |
452 | ||
453 | struct bt_ctf_field_type_enumeration *enumeration = | |
454 | container_of(type, struct bt_ctf_field_type_enumeration, | |
455 | parent); | |
456 | struct bt_ctf_field_type *container_type = | |
457 | bt_ctf_field_type_enumeration_get_container_type(type); | |
458 | ||
459 | if (!container_type) { | |
460 | ret = -1; | |
461 | goto end; | |
462 | } | |
463 | ||
464 | ret = bt_ctf_field_type_validate(container_type); | |
465 | if (ret) { | |
466 | goto end; | |
467 | } | |
468 | ||
469 | /* Ensure enum has entries */ | |
470 | ret = enumeration->entries->len ? 0 : -1; | |
471 | ||
472 | end: | |
473 | BT_PUT(container_type); | |
474 | return ret; | |
475 | } | |
476 | ||
477 | static | |
478 | int bt_ctf_field_type_sequence_validate(struct bt_ctf_field_type *type) | |
479 | { | |
480 | int ret = 0; | |
481 | struct bt_ctf_field_type *element_type = NULL; | |
482 | struct bt_ctf_field_type_sequence *sequence = | |
483 | container_of(type, struct bt_ctf_field_type_sequence, | |
484 | parent); | |
485 | ||
486 | /* Length field name should be set at this point */ | |
487 | if (sequence->length_field_name->len == 0) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | element_type = bt_ctf_field_type_sequence_get_element_type(type); | |
493 | if (!element_type) { | |
494 | ret = -1; | |
495 | goto end; | |
496 | } | |
497 | ||
498 | ret = bt_ctf_field_type_validate(element_type); | |
499 | ||
500 | end: | |
501 | BT_PUT(element_type); | |
502 | ||
503 | return ret; | |
504 | } | |
505 | ||
506 | static | |
507 | int bt_ctf_field_type_array_validate(struct bt_ctf_field_type *type) | |
508 | { | |
509 | int ret = 0; | |
510 | struct bt_ctf_field_type *element_type = NULL; | |
511 | ||
512 | element_type = bt_ctf_field_type_array_get_element_type(type); | |
513 | if (!element_type) { | |
514 | ret = -1; | |
515 | goto end; | |
516 | } | |
517 | ||
518 | ret = bt_ctf_field_type_validate(element_type); | |
519 | ||
520 | end: | |
521 | BT_PUT(element_type); | |
522 | ||
523 | return ret; | |
524 | } | |
525 | ||
526 | static | |
527 | int bt_ctf_field_type_structure_validate(struct bt_ctf_field_type *type) | |
528 | { | |
529 | int ret = 0; | |
530 | struct bt_ctf_field_type *child_type = NULL; | |
531 | int field_count = bt_ctf_field_type_structure_get_field_count(type); | |
532 | int i; | |
533 | ||
534 | if (field_count < 0) { | |
535 | ret = -1; | |
536 | goto end; | |
537 | } | |
538 | ||
539 | for (i = 0; i < field_count; ++i) { | |
540 | ret = bt_ctf_field_type_structure_get_field(type, | |
541 | NULL, &child_type, i); | |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | ||
546 | ret = bt_ctf_field_type_validate(child_type); | |
547 | if (ret) { | |
548 | goto end; | |
549 | } | |
550 | ||
551 | BT_PUT(child_type); | |
552 | } | |
553 | ||
554 | end: | |
555 | BT_PUT(child_type); | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
560 | static | |
561 | int bt_ctf_field_type_variant_validate(struct bt_ctf_field_type *type) | |
562 | { | |
563 | int ret = 0; | |
564 | int field_count; | |
565 | struct bt_ctf_field_type *child_type = NULL; | |
566 | struct bt_ctf_field_type_variant *variant = | |
567 | container_of(type, struct bt_ctf_field_type_variant, | |
568 | parent); | |
569 | int i; | |
570 | int tag_mappings_count; | |
571 | ||
572 | if (variant->tag_name->len == 0 || !variant->tag) { | |
573 | ret = -1; | |
574 | goto end; | |
575 | } | |
576 | ||
577 | tag_mappings_count = | |
578 | bt_ctf_field_type_enumeration_get_mapping_count( | |
579 | (struct bt_ctf_field_type *) variant->tag); | |
580 | ||
581 | if (tag_mappings_count != variant->fields->len) { | |
582 | ret = -1; | |
583 | goto end; | |
584 | } | |
585 | ||
586 | for (i = 0; i < tag_mappings_count; ++i) { | |
587 | const char *label; | |
588 | int64_t range_start, range_end; | |
589 | struct bt_ctf_field_type *ft; | |
590 | ||
591 | ret = bt_ctf_field_type_enumeration_get_mapping( | |
592 | (struct bt_ctf_field_type *) variant->tag, | |
593 | i, &label, &range_start, &range_end); | |
594 | if (ret) { | |
595 | goto end; | |
596 | } | |
597 | if (!label) { | |
598 | ret = -1; | |
599 | goto end; | |
600 | } | |
601 | ||
602 | ft = bt_ctf_field_type_variant_get_field_type_by_name( | |
603 | type, label); | |
604 | if (!ft) { | |
605 | ret = -1; | |
606 | goto end; | |
607 | } | |
608 | ||
609 | BT_PUT(ft); | |
610 | } | |
611 | ||
612 | field_count = bt_ctf_field_type_variant_get_field_count(type); | |
613 | if (field_count < 0) { | |
614 | ret = -1; | |
615 | goto end; | |
616 | } | |
617 | ||
618 | for (i = 0; i < field_count; ++i) { | |
619 | ret = bt_ctf_field_type_variant_get_field(type, | |
620 | NULL, &child_type, i); | |
621 | if (ret) { | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = bt_ctf_field_type_validate(child_type); | |
626 | if (ret) { | |
627 | goto end; | |
628 | } | |
629 | ||
630 | BT_PUT(child_type); | |
631 | } | |
632 | ||
633 | end: | |
634 | BT_PUT(child_type); | |
635 | ||
636 | return ret; | |
637 | } | |
638 | ||
639 | /* | |
640 | * This function validates a given field type without considering | |
641 | * where this field type is located. It only validates the properties | |
642 | * of the given field type and the properties of its children if | |
643 | * applicable. | |
644 | */ | |
645 | BT_HIDDEN | |
646 | int bt_ctf_field_type_validate(struct bt_ctf_field_type *type) | |
647 | { | |
648 | int ret = 0; | |
649 | enum bt_ctf_type_id id = bt_ctf_field_type_get_type_id(type); | |
650 | ||
651 | if (!type) { | |
652 | ret = -1; | |
653 | goto end; | |
654 | } | |
655 | ||
656 | if (type->valid) { | |
657 | /* Already marked as valid */ | |
658 | goto end; | |
659 | } | |
660 | ||
661 | if (type_validate_funcs[id]) { | |
662 | ret = type_validate_funcs[id](type); | |
663 | } | |
664 | ||
665 | if (!ret && type->frozen) { | |
666 | /* Field type is valid */ | |
667 | type->valid = 1; | |
668 | } | |
669 | ||
670 | end: | |
671 | return ret; | |
672 | } | |
673 | ||
674 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) | |
675 | { | |
676 | struct bt_ctf_field_type_integer *integer = | |
677 | g_new0(struct bt_ctf_field_type_integer, 1); | |
678 | ||
679 | if (!integer || size == 0 || size > 64) { | |
680 | return NULL; | |
681 | } | |
682 | ||
683 | integer->parent.declaration = &integer->declaration.p; | |
684 | integer->parent.declaration->id = BT_CTF_TYPE_ID_INTEGER; | |
685 | integer->declaration.len = size; | |
686 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; | |
687 | integer->declaration.encoding = BT_CTF_STRING_ENCODING_NONE; | |
688 | bt_ctf_field_type_init(&integer->parent, TRUE); | |
689 | return &integer->parent; | |
690 | } | |
691 | ||
692 | int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *type) | |
693 | { | |
694 | int ret = 0; | |
695 | struct bt_ctf_field_type_integer *integer; | |
696 | ||
697 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
698 | ret = -1; | |
699 | goto end; | |
700 | } | |
701 | ||
702 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
703 | ret = (int) integer->declaration.len; | |
704 | end: | |
705 | return ret; | |
706 | } | |
707 | ||
708 | int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *type) | |
709 | { | |
710 | int ret = 0; | |
711 | struct bt_ctf_field_type_integer *integer; | |
712 | ||
713 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
714 | ret = -1; | |
715 | goto end; | |
716 | } | |
717 | ||
718 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
719 | ret = integer->declaration.signedness; | |
720 | end: | |
721 | return ret; | |
722 | } | |
723 | ||
724 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, | |
725 | int is_signed) | |
726 | { | |
727 | int ret = 0; | |
728 | struct bt_ctf_field_type_integer *integer; | |
729 | ||
730 | if (!type || type->frozen || | |
731 | type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
732 | ret = -1; | |
733 | goto end; | |
734 | } | |
735 | ||
736 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
737 | integer->declaration.signedness = !!is_signed; | |
738 | end: | |
739 | return ret; | |
740 | } | |
741 | ||
742 | enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base( | |
743 | struct bt_ctf_field_type *type) | |
744 | { | |
745 | enum bt_ctf_integer_base ret = BT_CTF_INTEGER_BASE_UNKNOWN; | |
746 | struct bt_ctf_field_type_integer *integer; | |
747 | ||
748 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
749 | goto end; | |
750 | } | |
751 | ||
752 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
753 | ret = integer->declaration.base; | |
754 | end: | |
755 | return ret; | |
756 | } | |
757 | ||
758 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, | |
759 | enum bt_ctf_integer_base base) | |
760 | { | |
761 | int ret = 0; | |
762 | ||
763 | if (!type || type->frozen || | |
764 | type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
765 | ret = -1; | |
766 | goto end; | |
767 | } | |
768 | ||
769 | switch (base) { | |
770 | case BT_CTF_INTEGER_BASE_BINARY: | |
771 | case BT_CTF_INTEGER_BASE_OCTAL: | |
772 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
773 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
774 | { | |
775 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
776 | struct bt_ctf_field_type_integer, parent); | |
777 | integer->declaration.base = base; | |
778 | break; | |
779 | } | |
780 | default: | |
781 | ret = -1; | |
782 | } | |
783 | end: | |
784 | return ret; | |
785 | } | |
786 | ||
787 | enum bt_ctf_string_encoding bt_ctf_field_type_integer_get_encoding( | |
788 | struct bt_ctf_field_type *type) | |
789 | { | |
790 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; | |
791 | struct bt_ctf_field_type_integer *integer; | |
792 | ||
793 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
794 | goto end; | |
795 | } | |
796 | ||
797 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
798 | ret = integer->declaration.encoding; | |
799 | end: | |
800 | return ret; | |
801 | } | |
802 | ||
803 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, | |
804 | enum bt_ctf_string_encoding encoding) | |
805 | { | |
806 | int ret = 0; | |
807 | struct bt_ctf_field_type_integer *integer; | |
808 | ||
809 | if (!type || type->frozen || | |
810 | (type->declaration->id != BT_CTF_TYPE_ID_INTEGER) || | |
811 | (encoding < BT_CTF_STRING_ENCODING_NONE) || | |
812 | (encoding >= BT_CTF_STRING_ENCODING_UNKNOWN)) { | |
813 | ret = -1; | |
814 | goto end; | |
815 | } | |
816 | ||
817 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
818 | integer->declaration.encoding = encoding; | |
819 | end: | |
820 | return ret; | |
821 | } | |
822 | ||
823 | struct bt_ctf_clock *bt_ctf_field_type_integer_get_mapped_clock( | |
824 | struct bt_ctf_field_type *type) | |
825 | { | |
826 | struct bt_ctf_field_type_integer *integer; | |
827 | struct bt_ctf_clock *clock = NULL; | |
828 | ||
829 | if (!type) { | |
830 | goto end; | |
831 | } | |
832 | ||
833 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
834 | clock = integer->mapped_clock; | |
835 | bt_get(clock); | |
836 | end: | |
837 | return clock; | |
838 | } | |
839 | ||
840 | int bt_ctf_field_type_integer_set_mapped_clock( | |
841 | struct bt_ctf_field_type *type, | |
842 | struct bt_ctf_clock *clock) | |
843 | { | |
844 | struct bt_ctf_field_type_integer *integer; | |
845 | int ret = 0; | |
846 | ||
847 | if (!type || type->frozen) { | |
848 | ret = -1; | |
849 | goto end; | |
850 | } | |
851 | ||
852 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
853 | bt_put(integer->mapped_clock); | |
854 | bt_get(clock); | |
855 | integer->mapped_clock = clock; | |
856 | end: | |
857 | return ret; | |
858 | } | |
859 | ||
860 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( | |
861 | struct bt_ctf_field_type *integer_container_type) | |
862 | { | |
863 | struct bt_ctf_field_type_enumeration *enumeration = NULL; | |
864 | ||
865 | if (!integer_container_type) { | |
866 | goto error; | |
867 | } | |
868 | ||
869 | if (integer_container_type->declaration->id != BT_CTF_TYPE_ID_INTEGER) { | |
870 | goto error; | |
871 | } | |
872 | ||
873 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); | |
874 | if (!enumeration) { | |
875 | goto error; | |
876 | } | |
877 | ||
878 | enumeration->parent.declaration = &enumeration->declaration.p; | |
879 | enumeration->parent.declaration->id = BT_CTF_TYPE_ID_ENUM; | |
880 | bt_get(integer_container_type); | |
881 | enumeration->container = integer_container_type; | |
882 | enumeration->entries = g_ptr_array_new_with_free_func( | |
883 | (GDestroyNotify)destroy_enumeration_mapping); | |
884 | bt_ctf_field_type_init(&enumeration->parent, FALSE); | |
885 | return &enumeration->parent; | |
886 | error: | |
887 | g_free(enumeration); | |
888 | return NULL; | |
889 | } | |
890 | ||
891 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type( | |
892 | struct bt_ctf_field_type *type) | |
893 | { | |
894 | struct bt_ctf_field_type *container_type = NULL; | |
895 | struct bt_ctf_field_type_enumeration *enumeration_type; | |
896 | ||
897 | if (!type) { | |
898 | goto end; | |
899 | } | |
900 | ||
901 | if (type->declaration->id != BT_CTF_TYPE_ID_ENUM) { | |
902 | goto end; | |
903 | } | |
904 | ||
905 | enumeration_type = container_of(type, | |
906 | struct bt_ctf_field_type_enumeration, parent); | |
907 | container_type = enumeration_type->container; | |
908 | bt_get(container_type); | |
909 | end: | |
910 | return container_type; | |
911 | } | |
912 | ||
913 | int bt_ctf_field_type_enumeration_add_mapping( | |
914 | struct bt_ctf_field_type *type, const char *string, | |
915 | int64_t range_start, int64_t range_end) | |
916 | { | |
917 | int ret = 0; | |
918 | GQuark mapping_name; | |
919 | struct enumeration_mapping *mapping; | |
920 | struct bt_ctf_field_type_enumeration *enumeration; | |
921 | struct range_overlap_query query; | |
922 | char *escaped_string; | |
923 | ||
924 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) || | |
925 | type->frozen || | |
926 | (range_end < range_start)) { | |
927 | ret = -1; | |
928 | goto end; | |
929 | } | |
930 | ||
931 | if (!string || strlen(string) == 0) { | |
932 | ret = -1; | |
933 | goto end; | |
934 | } | |
935 | ||
936 | escaped_string = g_strescape(string, NULL); | |
937 | if (!escaped_string) { | |
938 | ret = -1; | |
939 | goto end; | |
940 | } | |
941 | ||
942 | mapping_name = g_quark_from_string(escaped_string); | |
943 | query = (struct range_overlap_query) { | |
944 | .range_start._signed = range_start, | |
945 | .range_end._signed = range_end, | |
946 | .mapping_name = mapping_name, | |
947 | .overlaps = 0 }; | |
948 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
949 | parent); | |
950 | ||
951 | /* Check that the range does not overlap with one already present */ | |
952 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); | |
953 | if (query.overlaps) { | |
954 | ret = -1; | |
955 | goto error_free; | |
956 | } | |
957 | ||
958 | mapping = g_new(struct enumeration_mapping, 1); | |
959 | if (!mapping) { | |
960 | ret = -1; | |
961 | goto error_free; | |
962 | } | |
963 | ||
964 | *mapping = (struct enumeration_mapping) { | |
965 | .range_start._signed = range_start, | |
966 | .range_end._signed = range_end, .string = mapping_name}; | |
967 | g_ptr_array_add(enumeration->entries, mapping); | |
968 | g_ptr_array_sort(enumeration->entries, | |
969 | (GCompareFunc)compare_enumeration_mappings_signed); | |
970 | error_free: | |
971 | free(escaped_string); | |
972 | end: | |
973 | return ret; | |
974 | } | |
975 | ||
976 | int bt_ctf_field_type_enumeration_add_mapping_unsigned( | |
977 | struct bt_ctf_field_type *type, const char *string, | |
978 | uint64_t range_start, uint64_t range_end) | |
979 | { | |
980 | int ret = 0; | |
981 | GQuark mapping_name; | |
982 | struct enumeration_mapping *mapping; | |
983 | struct bt_ctf_field_type_enumeration *enumeration; | |
984 | struct range_overlap_query query; | |
985 | char *escaped_string; | |
986 | ||
987 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM) || | |
988 | type->frozen || | |
989 | (range_end < range_start)) { | |
990 | ret = -1; | |
991 | goto end; | |
992 | } | |
993 | ||
994 | if (!string || strlen(string) == 0) { | |
995 | ret = -1; | |
996 | goto end; | |
997 | } | |
998 | ||
999 | escaped_string = g_strescape(string, NULL); | |
1000 | if (!escaped_string) { | |
1001 | ret = -1; | |
1002 | goto end; | |
1003 | } | |
1004 | ||
1005 | mapping_name = g_quark_from_string(escaped_string); | |
1006 | query = (struct range_overlap_query) { | |
1007 | .range_start._unsigned = range_start, | |
1008 | .range_end._unsigned = range_end, | |
1009 | .mapping_name = mapping_name, | |
1010 | .overlaps = 0 }; | |
1011 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1012 | parent); | |
1013 | ||
1014 | /* Check that the range does not overlap with one already present */ | |
1015 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap_unsigned, | |
1016 | &query); | |
1017 | if (query.overlaps) { | |
1018 | ret = -1; | |
1019 | goto error_free; | |
1020 | } | |
1021 | ||
1022 | mapping = g_new(struct enumeration_mapping, 1); | |
1023 | if (!mapping) { | |
1024 | ret = -1; | |
1025 | goto error_free; | |
1026 | } | |
1027 | ||
1028 | *mapping = (struct enumeration_mapping) { | |
1029 | .range_start._unsigned = range_start, | |
1030 | .range_end._unsigned = range_end, .string = mapping_name}; | |
1031 | g_ptr_array_add(enumeration->entries, mapping); | |
1032 | g_ptr_array_sort(enumeration->entries, | |
1033 | (GCompareFunc)compare_enumeration_mappings_unsigned); | |
1034 | error_free: | |
1035 | free(escaped_string); | |
1036 | end: | |
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | const char *bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
1041 | struct bt_ctf_field_type_enumeration *enumeration_type, | |
1042 | uint64_t value) | |
1043 | { | |
1044 | const char *name = NULL; | |
1045 | struct range_overlap_query query = | |
1046 | (struct range_overlap_query) { | |
1047 | .range_start._unsigned = value, | |
1048 | .range_end._unsigned = value, | |
1049 | .overlaps = 0 }; | |
1050 | ||
1051 | g_ptr_array_foreach(enumeration_type->entries, | |
1052 | check_ranges_overlap_unsigned, | |
1053 | &query); | |
1054 | if (!query.overlaps) { | |
1055 | goto end; | |
1056 | } | |
1057 | ||
1058 | name = g_quark_to_string(query.mapping_name); | |
1059 | end: | |
1060 | return name; | |
1061 | } | |
1062 | ||
1063 | const char *bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
1064 | struct bt_ctf_field_type_enumeration *enumeration_type, | |
1065 | int64_t value) | |
1066 | { | |
1067 | const char *name = NULL; | |
1068 | struct range_overlap_query query = | |
1069 | (struct range_overlap_query) { | |
1070 | .range_start._signed = value, | |
1071 | .range_end._signed = value, | |
1072 | .overlaps = 0 }; | |
1073 | ||
1074 | g_ptr_array_foreach(enumeration_type->entries, check_ranges_overlap, | |
1075 | &query); | |
1076 | if (!query.overlaps) { | |
1077 | goto end; | |
1078 | } | |
1079 | ||
1080 | name = g_quark_to_string(query.mapping_name); | |
1081 | end: | |
1082 | return name; | |
1083 | } | |
1084 | ||
1085 | int bt_ctf_field_type_enumeration_get_mapping_count( | |
1086 | struct bt_ctf_field_type *type) | |
1087 | { | |
1088 | int ret = 0; | |
1089 | struct bt_ctf_field_type_enumeration *enumeration; | |
1090 | ||
1091 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1092 | ret = -1; | |
1093 | goto end; | |
1094 | } | |
1095 | ||
1096 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1097 | parent); | |
1098 | ret = (int) enumeration->entries->len; | |
1099 | end: | |
1100 | return ret; | |
1101 | } | |
1102 | ||
1103 | static inline | |
1104 | struct enumeration_mapping *get_enumeration_mapping( | |
1105 | struct bt_ctf_field_type *type, int index) | |
1106 | { | |
1107 | struct enumeration_mapping *mapping = NULL; | |
1108 | struct bt_ctf_field_type_enumeration *enumeration; | |
1109 | ||
1110 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
1111 | parent); | |
1112 | if (index >= enumeration->entries->len) { | |
1113 | goto end; | |
1114 | } | |
1115 | ||
1116 | mapping = g_ptr_array_index(enumeration->entries, index); | |
1117 | end: | |
1118 | return mapping; | |
1119 | } | |
1120 | ||
1121 | int bt_ctf_field_type_enumeration_get_mapping( | |
1122 | struct bt_ctf_field_type *type, int index, | |
1123 | const char **string, int64_t *range_start, int64_t *range_end) | |
1124 | { | |
1125 | struct enumeration_mapping *mapping; | |
1126 | int ret = 0; | |
1127 | ||
1128 | if (!type || index < 0 || !string || !range_start || !range_end || | |
1129 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1130 | ret = -1; | |
1131 | goto end; | |
1132 | } | |
1133 | ||
1134 | mapping = get_enumeration_mapping(type, index); | |
1135 | if (!mapping) { | |
1136 | ret = -1; | |
1137 | goto end; | |
1138 | } | |
1139 | ||
1140 | *string = g_quark_to_string(mapping->string); | |
1141 | *range_start = mapping->range_start._signed; | |
1142 | *range_end = mapping->range_end._signed; | |
1143 | end: | |
1144 | return ret; | |
1145 | } | |
1146 | ||
1147 | int bt_ctf_field_type_enumeration_get_mapping_unsigned( | |
1148 | struct bt_ctf_field_type *type, int index, | |
1149 | const char **string, uint64_t *range_start, uint64_t *range_end) | |
1150 | { | |
1151 | struct enumeration_mapping *mapping; | |
1152 | int ret = 0; | |
1153 | ||
1154 | if (!type || index < 0 || !string || !range_start || !range_end || | |
1155 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1156 | ret = -1; | |
1157 | goto end; | |
1158 | } | |
1159 | ||
1160 | mapping = get_enumeration_mapping(type, index); | |
1161 | if (!mapping) { | |
1162 | ret = -1; | |
1163 | goto end; | |
1164 | } | |
1165 | ||
1166 | *string = g_quark_to_string(mapping->string); | |
1167 | *range_start = mapping->range_start._unsigned; | |
1168 | *range_end = mapping->range_end._unsigned; | |
1169 | end: | |
1170 | return ret; | |
1171 | } | |
1172 | ||
1173 | int bt_ctf_field_type_enumeration_get_mapping_index_by_name( | |
1174 | struct bt_ctf_field_type *type, const char *name) | |
1175 | { | |
1176 | GQuark name_quark; | |
1177 | struct bt_ctf_field_type_enumeration *enumeration; | |
1178 | int i, ret = 0; | |
1179 | ||
1180 | if (!type || !name || | |
1181 | (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1182 | ret = -1; | |
1183 | goto end; | |
1184 | } | |
1185 | ||
1186 | name_quark = g_quark_try_string(name); | |
1187 | if (!name_quark) { | |
1188 | ret = -1; | |
1189 | goto end; | |
1190 | } | |
1191 | ||
1192 | enumeration = container_of(type, | |
1193 | struct bt_ctf_field_type_enumeration, parent); | |
1194 | for (i = 0; i < enumeration->entries->len; i++) { | |
1195 | struct enumeration_mapping *mapping = | |
1196 | get_enumeration_mapping(type, i); | |
1197 | ||
1198 | if (mapping->string == name_quark) { | |
1199 | ret = i; | |
1200 | goto end; | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | ret = -1; | |
1205 | end: | |
1206 | return ret; | |
1207 | } | |
1208 | ||
1209 | int bt_ctf_field_type_enumeration_get_mapping_index_by_value( | |
1210 | struct bt_ctf_field_type *type, int64_t value) | |
1211 | { | |
1212 | struct bt_ctf_field_type_enumeration *enumeration; | |
1213 | int i, ret = 0; | |
1214 | ||
1215 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1216 | ret = -1; | |
1217 | goto end; | |
1218 | } | |
1219 | ||
1220 | enumeration = container_of(type, | |
1221 | struct bt_ctf_field_type_enumeration, parent); | |
1222 | for (i = 0; i < enumeration->entries->len; i++) { | |
1223 | struct enumeration_mapping *mapping = | |
1224 | get_enumeration_mapping(type, i); | |
1225 | ||
1226 | if (value >= mapping->range_start._signed && | |
1227 | value <= mapping->range_end._signed) { | |
1228 | ret = i; | |
1229 | goto end; | |
1230 | } | |
1231 | } | |
1232 | ||
1233 | ret = -1; | |
1234 | end: | |
1235 | return ret; | |
1236 | } | |
1237 | ||
1238 | int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value( | |
1239 | struct bt_ctf_field_type *type, uint64_t value) | |
1240 | { | |
1241 | struct bt_ctf_field_type_enumeration *enumeration; | |
1242 | int i, ret = 0; | |
1243 | ||
1244 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ENUM)) { | |
1245 | ret = -1; | |
1246 | goto end; | |
1247 | } | |
1248 | ||
1249 | enumeration = container_of(type, | |
1250 | struct bt_ctf_field_type_enumeration, parent); | |
1251 | for (i = 0; i < enumeration->entries->len; i++) { | |
1252 | struct enumeration_mapping *mapping = | |
1253 | get_enumeration_mapping(type, i); | |
1254 | ||
1255 | if (value >= mapping->range_start._unsigned && | |
1256 | value <= mapping->range_end._unsigned) { | |
1257 | ret = i; | |
1258 | goto end; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | ret = -1; | |
1263 | end: | |
1264 | return ret; | |
1265 | } | |
1266 | ||
1267 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) | |
1268 | { | |
1269 | struct bt_ctf_field_type_floating_point *floating_point = | |
1270 | g_new0(struct bt_ctf_field_type_floating_point, 1); | |
1271 | ||
1272 | if (!floating_point) { | |
1273 | goto end; | |
1274 | } | |
1275 | ||
1276 | floating_point->declaration.sign = &floating_point->sign; | |
1277 | floating_point->declaration.mantissa = &floating_point->mantissa; | |
1278 | floating_point->declaration.exp = &floating_point->exp; | |
1279 | floating_point->sign.len = 1; | |
1280 | floating_point->parent.declaration = &floating_point->declaration.p; | |
1281 | floating_point->parent.declaration->id = BT_CTF_TYPE_ID_FLOAT; | |
1282 | floating_point->declaration.exp->len = | |
1283 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; | |
1284 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; | |
1285 | floating_point->sign.p.alignment = 1; | |
1286 | floating_point->mantissa.p.alignment = 1; | |
1287 | floating_point->exp.p.alignment = 1; | |
1288 | ||
1289 | bt_ctf_field_type_init(&floating_point->parent, TRUE); | |
1290 | end: | |
1291 | return floating_point ? &floating_point->parent : NULL; | |
1292 | } | |
1293 | ||
1294 | int bt_ctf_field_type_floating_point_get_exponent_digits( | |
1295 | struct bt_ctf_field_type *type) | |
1296 | { | |
1297 | int ret = 0; | |
1298 | struct bt_ctf_field_type_floating_point *floating_point; | |
1299 | ||
1300 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1301 | ret = -1; | |
1302 | goto end; | |
1303 | } | |
1304 | ||
1305 | floating_point = container_of(type, | |
1306 | struct bt_ctf_field_type_floating_point, parent); | |
1307 | ret = (int) floating_point->declaration.exp->len; | |
1308 | end: | |
1309 | return ret; | |
1310 | } | |
1311 | ||
1312 | int bt_ctf_field_type_floating_point_set_exponent_digits( | |
1313 | struct bt_ctf_field_type *type, | |
1314 | unsigned int exponent_digits) | |
1315 | { | |
1316 | int ret = 0; | |
1317 | struct bt_ctf_field_type_floating_point *floating_point; | |
1318 | ||
1319 | if (!type || type->frozen || | |
1320 | (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1321 | ret = -1; | |
1322 | goto end; | |
1323 | } | |
1324 | ||
1325 | floating_point = container_of(type, | |
1326 | struct bt_ctf_field_type_floating_point, parent); | |
1327 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && | |
1328 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && | |
1329 | (exponent_digits != | |
1330 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { | |
1331 | ret = -1; | |
1332 | goto end; | |
1333 | } | |
1334 | ||
1335 | floating_point->declaration.exp->len = exponent_digits; | |
1336 | end: | |
1337 | return ret; | |
1338 | } | |
1339 | ||
1340 | int bt_ctf_field_type_floating_point_get_mantissa_digits( | |
1341 | struct bt_ctf_field_type *type) | |
1342 | { | |
1343 | int ret = 0; | |
1344 | struct bt_ctf_field_type_floating_point *floating_point; | |
1345 | ||
1346 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1347 | ret = -1; | |
1348 | goto end; | |
1349 | } | |
1350 | ||
1351 | floating_point = container_of(type, | |
1352 | struct bt_ctf_field_type_floating_point, parent); | |
1353 | ret = (int) floating_point->mantissa.len + 1; | |
1354 | end: | |
1355 | return ret; | |
1356 | } | |
1357 | ||
1358 | int bt_ctf_field_type_floating_point_set_mantissa_digits( | |
1359 | struct bt_ctf_field_type *type, | |
1360 | unsigned int mantissa_digits) | |
1361 | { | |
1362 | int ret = 0; | |
1363 | struct bt_ctf_field_type_floating_point *floating_point; | |
1364 | ||
1365 | if (!type || type->frozen || | |
1366 | (type->declaration->id != BT_CTF_TYPE_ID_FLOAT)) { | |
1367 | ret = -1; | |
1368 | goto end; | |
1369 | } | |
1370 | ||
1371 | floating_point = container_of(type, | |
1372 | struct bt_ctf_field_type_floating_point, parent); | |
1373 | ||
1374 | if ((mantissa_digits != FLT_MANT_DIG) && | |
1375 | (mantissa_digits != DBL_MANT_DIG) && | |
1376 | (mantissa_digits != LDBL_MANT_DIG)) { | |
1377 | ret = -1; | |
1378 | goto end; | |
1379 | } | |
1380 | ||
1381 | floating_point->declaration.mantissa->len = mantissa_digits - 1; | |
1382 | end: | |
1383 | return ret; | |
1384 | } | |
1385 | ||
1386 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) | |
1387 | { | |
1388 | struct bt_ctf_field_type_structure *structure = | |
1389 | g_new0(struct bt_ctf_field_type_structure, 1); | |
1390 | ||
1391 | if (!structure) { | |
1392 | goto error; | |
1393 | } | |
1394 | ||
1395 | structure->parent.declaration = &structure->declaration.p; | |
1396 | structure->parent.declaration->id = BT_CTF_TYPE_ID_STRUCT; | |
1397 | structure->fields = g_ptr_array_new_with_free_func( | |
1398 | (GDestroyNotify)destroy_structure_field); | |
1399 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); | |
1400 | bt_ctf_field_type_init(&structure->parent, TRUE); | |
1401 | return &structure->parent; | |
1402 | error: | |
1403 | return NULL; | |
1404 | } | |
1405 | ||
1406 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, | |
1407 | struct bt_ctf_field_type *field_type, | |
1408 | const char *field_name) | |
1409 | { | |
1410 | int ret = 0; | |
1411 | struct bt_ctf_field_type_structure *structure; | |
1412 | ||
1413 | if (!type || !field_type || type->frozen || | |
1414 | bt_ctf_validate_identifier(field_name) || | |
1415 | (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1416 | ret = -1; | |
1417 | goto end; | |
1418 | } | |
1419 | ||
1420 | structure = container_of(type, | |
1421 | struct bt_ctf_field_type_structure, parent); | |
1422 | if (add_structure_field(structure->fields, | |
1423 | structure->field_name_to_index, field_type, field_name)) { | |
1424 | ret = -1; | |
1425 | goto end; | |
1426 | } | |
1427 | end: | |
1428 | return ret; | |
1429 | } | |
1430 | ||
1431 | int bt_ctf_field_type_structure_get_field_count( | |
1432 | struct bt_ctf_field_type *type) | |
1433 | { | |
1434 | int ret = 0; | |
1435 | struct bt_ctf_field_type_structure *structure; | |
1436 | ||
1437 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1438 | ret = -1; | |
1439 | goto end; | |
1440 | } | |
1441 | ||
1442 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1443 | parent); | |
1444 | ret = (int) structure->fields->len; | |
1445 | end: | |
1446 | return ret; | |
1447 | } | |
1448 | ||
1449 | int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *type, | |
1450 | const char **field_name, struct bt_ctf_field_type **field_type, | |
1451 | int index) | |
1452 | { | |
1453 | struct bt_ctf_field_type_structure *structure; | |
1454 | struct structure_field *field; | |
1455 | int ret = 0; | |
1456 | ||
1457 | if (!type || index < 0 || | |
1458 | (type->declaration->id != BT_CTF_TYPE_ID_STRUCT)) { | |
1459 | ret = -1; | |
1460 | goto end; | |
1461 | } | |
1462 | ||
1463 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1464 | parent); | |
1465 | if (index >= structure->fields->len) { | |
1466 | ret = -1; | |
1467 | goto end; | |
1468 | } | |
1469 | ||
1470 | field = g_ptr_array_index(structure->fields, index); | |
1471 | if (field_type) { | |
1472 | *field_type = field->type; | |
1473 | bt_get(field->type); | |
1474 | } | |
1475 | if (field_name) { | |
1476 | *field_name = g_quark_to_string(field->name); | |
1477 | } | |
1478 | end: | |
1479 | return ret; | |
1480 | } | |
1481 | ||
1482 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name( | |
1483 | struct bt_ctf_field_type *type, | |
1484 | const char *name) | |
1485 | { | |
1486 | size_t index; | |
1487 | GQuark name_quark; | |
1488 | struct structure_field *field; | |
1489 | struct bt_ctf_field_type_structure *structure; | |
1490 | struct bt_ctf_field_type *field_type = NULL; | |
1491 | ||
1492 | if (!type || !name) { | |
1493 | goto end; | |
1494 | } | |
1495 | ||
1496 | name_quark = g_quark_try_string(name); | |
1497 | if (!name_quark) { | |
1498 | goto end; | |
1499 | } | |
1500 | ||
1501 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
1502 | parent); | |
1503 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
1504 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
1505 | goto end; | |
1506 | } | |
1507 | ||
1508 | field = structure->fields->pdata[index]; | |
1509 | field_type = field->type; | |
1510 | bt_get(field_type); | |
1511 | end: | |
1512 | return field_type; | |
1513 | } | |
1514 | ||
1515 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( | |
1516 | struct bt_ctf_field_type *enum_tag, const char *tag_name) | |
1517 | { | |
1518 | struct bt_ctf_field_type_variant *variant = NULL; | |
1519 | ||
1520 | if (tag_name && bt_ctf_validate_identifier(tag_name)) { | |
1521 | goto error; | |
1522 | } | |
1523 | ||
1524 | variant = g_new0(struct bt_ctf_field_type_variant, 1); | |
1525 | if (!variant) { | |
1526 | goto error; | |
1527 | } | |
1528 | ||
1529 | variant->parent.declaration = &variant->declaration.p; | |
1530 | variant->parent.declaration->id = BT_CTF_TYPE_ID_VARIANT; | |
1531 | variant->tag_name = g_string_new(tag_name); | |
1532 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); | |
1533 | variant->fields = g_ptr_array_new_with_free_func( | |
1534 | (GDestroyNotify) destroy_structure_field); | |
1535 | if (enum_tag) { | |
1536 | bt_get(enum_tag); | |
1537 | variant->tag = container_of(enum_tag, | |
1538 | struct bt_ctf_field_type_enumeration, parent); | |
1539 | } | |
1540 | ||
1541 | bt_ctf_field_type_init(&variant->parent, TRUE); | |
1542 | /* A variant's alignment is undefined */ | |
1543 | variant->parent.declaration->alignment = 0; | |
1544 | return &variant->parent; | |
1545 | error: | |
1546 | return NULL; | |
1547 | } | |
1548 | ||
1549 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type( | |
1550 | struct bt_ctf_field_type *type) | |
1551 | { | |
1552 | struct bt_ctf_field_type_variant *variant; | |
1553 | struct bt_ctf_field_type *tag_type = NULL; | |
1554 | ||
1555 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1556 | goto end; | |
1557 | } | |
1558 | ||
1559 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1560 | if (!variant->tag) { | |
1561 | goto end; | |
1562 | } | |
1563 | ||
1564 | tag_type = &variant->tag->parent; | |
1565 | bt_get(tag_type); | |
1566 | end: | |
1567 | return tag_type; | |
1568 | } | |
1569 | ||
1570 | const char *bt_ctf_field_type_variant_get_tag_name( | |
1571 | struct bt_ctf_field_type *type) | |
1572 | { | |
1573 | struct bt_ctf_field_type_variant *variant; | |
1574 | const char *tag_name = NULL; | |
1575 | ||
1576 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1577 | goto end; | |
1578 | } | |
1579 | ||
1580 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1581 | if (variant->tag_name->len == 0) { | |
1582 | goto end; | |
1583 | } | |
1584 | ||
1585 | tag_name = variant->tag_name->str; | |
1586 | end: | |
1587 | return tag_name; | |
1588 | } | |
1589 | ||
1590 | int bt_ctf_field_type_variant_set_tag_name( | |
1591 | struct bt_ctf_field_type *type, const char *name) | |
1592 | { | |
1593 | int ret = 0; | |
1594 | struct bt_ctf_field_type_variant *variant; | |
1595 | ||
1596 | if (!type || type->frozen || | |
1597 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT) || | |
1598 | bt_ctf_validate_identifier(name)) { | |
1599 | ret = -1; | |
1600 | goto end; | |
1601 | } | |
1602 | ||
1603 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1604 | g_string_assign(variant->tag_name, name); | |
1605 | end: | |
1606 | return ret; | |
1607 | } | |
1608 | ||
1609 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, | |
1610 | struct bt_ctf_field_type *field_type, | |
1611 | const char *field_name) | |
1612 | { | |
1613 | size_t i; | |
1614 | int ret = 0; | |
1615 | struct bt_ctf_field_type_variant *variant; | |
1616 | GQuark field_name_quark = g_quark_from_string(field_name); | |
1617 | ||
1618 | if (!type || !field_type || type->frozen || | |
1619 | bt_ctf_validate_identifier(field_name) || | |
1620 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1621 | ret = -1; | |
1622 | goto end; | |
1623 | } | |
1624 | ||
1625 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1626 | ||
1627 | /* The user has explicitly provided a tag; validate against it. */ | |
1628 | if (variant->tag) { | |
1629 | int name_found = 0; | |
1630 | ||
1631 | /* Make sure this name is present in the enum tag */ | |
1632 | for (i = 0; i < variant->tag->entries->len; i++) { | |
1633 | struct enumeration_mapping *mapping = | |
1634 | g_ptr_array_index(variant->tag->entries, i); | |
1635 | ||
1636 | if (mapping->string == field_name_quark) { | |
1637 | name_found = 1; | |
1638 | break; | |
1639 | } | |
1640 | } | |
1641 | ||
1642 | if (!name_found) { | |
1643 | /* Validation failed */ | |
1644 | ret = -1; | |
1645 | goto end; | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | if (add_structure_field(variant->fields, variant->field_name_to_index, | |
1650 | field_type, field_name)) { | |
1651 | ret = -1; | |
1652 | goto end; | |
1653 | } | |
1654 | end: | |
1655 | return ret; | |
1656 | } | |
1657 | ||
1658 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name( | |
1659 | struct bt_ctf_field_type *type, | |
1660 | const char *field_name) | |
1661 | { | |
1662 | size_t index; | |
1663 | GQuark name_quark; | |
1664 | struct structure_field *field; | |
1665 | struct bt_ctf_field_type_variant *variant; | |
1666 | struct bt_ctf_field_type *field_type = NULL; | |
1667 | ||
1668 | if (!type || !field_name) { | |
1669 | goto end; | |
1670 | } | |
1671 | ||
1672 | name_quark = g_quark_try_string(field_name); | |
1673 | if (!name_quark) { | |
1674 | goto end; | |
1675 | } | |
1676 | ||
1677 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); | |
1678 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
1679 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
1680 | goto end; | |
1681 | } | |
1682 | ||
1683 | field = g_ptr_array_index(variant->fields, index); | |
1684 | field_type = field->type; | |
1685 | bt_get(field_type); | |
1686 | end: | |
1687 | return field_type; | |
1688 | } | |
1689 | ||
1690 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag( | |
1691 | struct bt_ctf_field_type *type, | |
1692 | struct bt_ctf_field *tag) | |
1693 | { | |
1694 | const char *enum_value; | |
1695 | struct bt_ctf_field_type *field_type = NULL; | |
1696 | ||
1697 | if (!type || !tag || type->declaration->id != BT_CTF_TYPE_ID_VARIANT) { | |
1698 | goto end; | |
1699 | } | |
1700 | ||
1701 | enum_value = bt_ctf_field_enumeration_get_mapping_name(tag); | |
1702 | if (!enum_value) { | |
1703 | goto end; | |
1704 | } | |
1705 | ||
1706 | /* Already increments field_type's reference count */ | |
1707 | field_type = bt_ctf_field_type_variant_get_field_type_by_name( | |
1708 | type, enum_value); | |
1709 | end: | |
1710 | return field_type; | |
1711 | } | |
1712 | ||
1713 | int bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *type) | |
1714 | { | |
1715 | int ret = 0; | |
1716 | struct bt_ctf_field_type_variant *variant; | |
1717 | ||
1718 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1719 | ret = -1; | |
1720 | goto end; | |
1721 | } | |
1722 | ||
1723 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
1724 | parent); | |
1725 | ret = (int) variant->fields->len; | |
1726 | end: | |
1727 | return ret; | |
1728 | ||
1729 | } | |
1730 | ||
1731 | int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *type, | |
1732 | const char **field_name, struct bt_ctf_field_type **field_type, | |
1733 | int index) | |
1734 | { | |
1735 | struct bt_ctf_field_type_variant *variant; | |
1736 | struct structure_field *field; | |
1737 | int ret = 0; | |
1738 | ||
1739 | if (!type || index < 0 || | |
1740 | (type->declaration->id != BT_CTF_TYPE_ID_VARIANT)) { | |
1741 | ret = -1; | |
1742 | goto end; | |
1743 | } | |
1744 | ||
1745 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
1746 | parent); | |
1747 | if (index >= variant->fields->len) { | |
1748 | ret = -1; | |
1749 | goto end; | |
1750 | } | |
1751 | ||
1752 | field = g_ptr_array_index(variant->fields, index); | |
1753 | if (field_type) { | |
1754 | *field_type = field->type; | |
1755 | bt_get(field->type); | |
1756 | } | |
1757 | if (field_name) { | |
1758 | *field_name = g_quark_to_string(field->name); | |
1759 | } | |
1760 | end: | |
1761 | return ret; | |
1762 | } | |
1763 | ||
1764 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( | |
1765 | struct bt_ctf_field_type *element_type, | |
1766 | unsigned int length) | |
1767 | { | |
1768 | struct bt_ctf_field_type_array *array = NULL; | |
1769 | ||
1770 | if (!element_type || length == 0) { | |
1771 | goto error; | |
1772 | } | |
1773 | ||
1774 | array = g_new0(struct bt_ctf_field_type_array, 1); | |
1775 | if (!array) { | |
1776 | goto error; | |
1777 | } | |
1778 | ||
1779 | array->parent.declaration = &array->declaration.p; | |
1780 | array->parent.declaration->id = BT_CTF_TYPE_ID_ARRAY; | |
1781 | ||
1782 | bt_get(element_type); | |
1783 | array->element_type = element_type; | |
1784 | array->length = length; | |
1785 | bt_ctf_field_type_init(&array->parent, FALSE); | |
1786 | return &array->parent; | |
1787 | error: | |
1788 | return NULL; | |
1789 | } | |
1790 | ||
1791 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( | |
1792 | struct bt_ctf_field_type *type) | |
1793 | { | |
1794 | struct bt_ctf_field_type *ret = NULL; | |
1795 | struct bt_ctf_field_type_array *array; | |
1796 | ||
1797 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1798 | goto end; | |
1799 | } | |
1800 | ||
1801 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1802 | ret = array->element_type; | |
1803 | bt_get(ret); | |
1804 | end: | |
1805 | return ret; | |
1806 | } | |
1807 | ||
1808 | BT_HIDDEN | |
1809 | int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type *type, | |
1810 | struct bt_ctf_field_type *element_type) | |
1811 | { | |
1812 | int ret = 0; | |
1813 | struct bt_ctf_field_type_array *array; | |
1814 | ||
1815 | if (!type || !element_type || | |
1816 | (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1817 | ret = -1; | |
1818 | goto end; | |
1819 | } | |
1820 | ||
1821 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1822 | ||
1823 | if (array->element_type) { | |
1824 | BT_PUT(array->element_type); | |
1825 | } | |
1826 | ||
1827 | array->element_type = element_type; | |
1828 | bt_get(array->element_type); | |
1829 | ||
1830 | end: | |
1831 | return ret; | |
1832 | } | |
1833 | ||
1834 | int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *type) | |
1835 | { | |
1836 | int64_t ret; | |
1837 | struct bt_ctf_field_type_array *array; | |
1838 | ||
1839 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_ARRAY)) { | |
1840 | ret = -1; | |
1841 | goto end; | |
1842 | } | |
1843 | ||
1844 | array = container_of(type, struct bt_ctf_field_type_array, parent); | |
1845 | ret = (int64_t) array->length; | |
1846 | end: | |
1847 | return ret; | |
1848 | } | |
1849 | ||
1850 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( | |
1851 | struct bt_ctf_field_type *element_type, | |
1852 | const char *length_field_name) | |
1853 | { | |
1854 | struct bt_ctf_field_type_sequence *sequence = NULL; | |
1855 | ||
1856 | if (!element_type || bt_ctf_validate_identifier(length_field_name)) { | |
1857 | goto error; | |
1858 | } | |
1859 | ||
1860 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); | |
1861 | if (!sequence) { | |
1862 | goto error; | |
1863 | } | |
1864 | ||
1865 | sequence->parent.declaration = &sequence->declaration.p; | |
1866 | sequence->parent.declaration->id = BT_CTF_TYPE_ID_SEQUENCE; | |
1867 | bt_get(element_type); | |
1868 | sequence->element_type = element_type; | |
1869 | sequence->length_field_name = g_string_new(length_field_name); | |
1870 | bt_ctf_field_type_init(&sequence->parent, FALSE); | |
1871 | return &sequence->parent; | |
1872 | error: | |
1873 | return NULL; | |
1874 | } | |
1875 | ||
1876 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( | |
1877 | struct bt_ctf_field_type *type) | |
1878 | { | |
1879 | struct bt_ctf_field_type *ret = NULL; | |
1880 | struct bt_ctf_field_type_sequence *sequence; | |
1881 | ||
1882 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1883 | goto end; | |
1884 | } | |
1885 | ||
1886 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
1887 | parent); | |
1888 | ret = sequence->element_type; | |
1889 | bt_get(ret); | |
1890 | end: | |
1891 | return ret; | |
1892 | } | |
1893 | ||
1894 | BT_HIDDEN | |
1895 | int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type *type, | |
1896 | struct bt_ctf_field_type *element_type) | |
1897 | { | |
1898 | int ret = 0; | |
1899 | struct bt_ctf_field_type_sequence *sequence; | |
1900 | ||
1901 | if (!type || !element_type || | |
1902 | (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1903 | ret = -1; | |
1904 | goto end; | |
1905 | } | |
1906 | ||
1907 | sequence = container_of(type, struct bt_ctf_field_type_sequence, parent); | |
1908 | ||
1909 | if (sequence->element_type) { | |
1910 | BT_PUT(sequence->element_type); | |
1911 | } | |
1912 | ||
1913 | sequence->element_type = element_type; | |
1914 | bt_get(sequence->element_type); | |
1915 | ||
1916 | end: | |
1917 | return ret; | |
1918 | } | |
1919 | ||
1920 | const char *bt_ctf_field_type_sequence_get_length_field_name( | |
1921 | struct bt_ctf_field_type *type) | |
1922 | { | |
1923 | const char *ret = NULL; | |
1924 | struct bt_ctf_field_type_sequence *sequence; | |
1925 | ||
1926 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_SEQUENCE)) { | |
1927 | goto end; | |
1928 | } | |
1929 | ||
1930 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
1931 | parent); | |
1932 | ret = sequence->length_field_name->str; | |
1933 | end: | |
1934 | return ret; | |
1935 | } | |
1936 | ||
1937 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) | |
1938 | { | |
1939 | struct bt_ctf_field_type_string *string = | |
1940 | g_new0(struct bt_ctf_field_type_string, 1); | |
1941 | ||
1942 | if (!string) { | |
1943 | return NULL; | |
1944 | } | |
1945 | ||
1946 | string->parent.declaration = &string->declaration.p; | |
1947 | string->parent.declaration->id = BT_CTF_TYPE_ID_STRING; | |
1948 | bt_ctf_field_type_init(&string->parent, TRUE); | |
1949 | string->declaration.encoding = BT_CTF_STRING_ENCODING_UTF8; | |
1950 | string->parent.declaration->alignment = CHAR_BIT; | |
1951 | return &string->parent; | |
1952 | } | |
1953 | ||
1954 | enum bt_ctf_string_encoding bt_ctf_field_type_string_get_encoding( | |
1955 | struct bt_ctf_field_type *type) | |
1956 | { | |
1957 | struct bt_ctf_field_type_string *string; | |
1958 | enum bt_ctf_string_encoding ret = BT_CTF_STRING_ENCODING_UNKNOWN; | |
1959 | ||
1960 | if (!type || (type->declaration->id != BT_CTF_TYPE_ID_STRING)) { | |
1961 | goto end; | |
1962 | } | |
1963 | ||
1964 | string = container_of(type, struct bt_ctf_field_type_string, | |
1965 | parent); | |
1966 | ret = string->declaration.encoding; | |
1967 | end: | |
1968 | return ret; | |
1969 | } | |
1970 | ||
1971 | int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *type, | |
1972 | enum bt_ctf_string_encoding encoding) | |
1973 | { | |
1974 | int ret = 0; | |
1975 | struct bt_ctf_field_type_string *string; | |
1976 | ||
1977 | if (!type || type->declaration->id != BT_CTF_TYPE_ID_STRING || | |
1978 | (encoding != BT_CTF_STRING_ENCODING_UTF8 && | |
1979 | encoding != BT_CTF_STRING_ENCODING_ASCII)) { | |
1980 | ret = -1; | |
1981 | goto end; | |
1982 | } | |
1983 | ||
1984 | string = container_of(type, struct bt_ctf_field_type_string, parent); | |
1985 | string->declaration.encoding = encoding; | |
1986 | end: | |
1987 | return ret; | |
1988 | } | |
1989 | ||
1990 | int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type) | |
1991 | { | |
1992 | int ret; | |
1993 | enum bt_ctf_type_id type_id; | |
1994 | ||
1995 | if (!type) { | |
1996 | ret = -1; | |
1997 | goto end; | |
1998 | } | |
1999 | ||
2000 | if (type->frozen) { | |
2001 | ret = (int) type->declaration->alignment; | |
2002 | goto end; | |
2003 | } | |
2004 | ||
2005 | type_id = bt_ctf_field_type_get_type_id(type); | |
2006 | switch (type_id) { | |
2007 | case BT_CTF_TYPE_ID_SEQUENCE: | |
2008 | { | |
2009 | struct bt_ctf_field_type *element = | |
2010 | bt_ctf_field_type_sequence_get_element_type(type); | |
2011 | ||
2012 | if (!element) { | |
2013 | ret = -1; | |
2014 | goto end; | |
2015 | } | |
2016 | ||
2017 | ret = bt_ctf_field_type_get_alignment(element); | |
2018 | bt_put(element); | |
2019 | break; | |
2020 | } | |
2021 | case BT_CTF_TYPE_ID_ARRAY: | |
2022 | { | |
2023 | struct bt_ctf_field_type *element = | |
2024 | bt_ctf_field_type_array_get_element_type(type); | |
2025 | ||
2026 | if (!element) { | |
2027 | ret = -1; | |
2028 | goto end; | |
2029 | } | |
2030 | ||
2031 | ret = bt_ctf_field_type_get_alignment(element); | |
2032 | bt_put(element); | |
2033 | break; | |
2034 | } | |
2035 | case BT_CTF_TYPE_ID_STRUCT: | |
2036 | { | |
2037 | int i, element_count; | |
2038 | ||
2039 | element_count = bt_ctf_field_type_structure_get_field_count( | |
2040 | type); | |
2041 | if (element_count < 0) { | |
2042 | ret = element_count; | |
2043 | goto end; | |
2044 | } | |
2045 | ||
2046 | for (i = 0; i < element_count; i++) { | |
2047 | struct bt_ctf_field_type *field; | |
2048 | int field_alignment; | |
2049 | ||
2050 | ret = bt_ctf_field_type_structure_get_field(type, NULL, | |
2051 | &field, i); | |
2052 | if (ret) { | |
2053 | goto end; | |
2054 | } | |
2055 | ||
2056 | assert(field); | |
2057 | field_alignment = bt_ctf_field_type_get_alignment( | |
2058 | field); | |
2059 | bt_put(field); | |
2060 | if (field_alignment < 0) { | |
2061 | ret = field_alignment; | |
2062 | goto end; | |
2063 | } | |
2064 | ||
2065 | type->declaration->alignment = MAX(field_alignment, | |
2066 | type->declaration->alignment); | |
2067 | } | |
2068 | ret = (int) type->declaration->alignment; | |
2069 | break; | |
2070 | } | |
2071 | case BT_CTF_TYPE_ID_UNKNOWN: | |
2072 | ret = -1; | |
2073 | break; | |
2074 | default: | |
2075 | ret = (int) type->declaration->alignment; | |
2076 | break; | |
2077 | } | |
2078 | end: | |
2079 | return ret; | |
2080 | } | |
2081 | ||
2082 | static inline | |
2083 | int is_power_of_two(unsigned int value) | |
2084 | { | |
2085 | return ((value & (value - 1)) == 0) && value > 0; | |
2086 | } | |
2087 | ||
2088 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, | |
2089 | unsigned int alignment) | |
2090 | { | |
2091 | int ret = 0; | |
2092 | enum bt_ctf_type_id type_id; | |
2093 | ||
2094 | /* Alignment must be a power of two */ | |
2095 | if (!type || type->frozen || !is_power_of_two(alignment)) { | |
2096 | ret = -1; | |
2097 | goto end; | |
2098 | } | |
2099 | ||
2100 | type_id = bt_ctf_field_type_get_type_id(type); | |
2101 | if (type_id == BT_CTF_TYPE_ID_UNKNOWN) { | |
2102 | ret = -1; | |
2103 | goto end; | |
2104 | } | |
2105 | ||
2106 | if (type->declaration->id == BT_CTF_TYPE_ID_STRING && | |
2107 | alignment != CHAR_BIT) { | |
2108 | ret = -1; | |
2109 | goto end; | |
2110 | } | |
2111 | ||
2112 | if (type_id == BT_CTF_TYPE_ID_VARIANT || | |
2113 | type_id == BT_CTF_TYPE_ID_SEQUENCE || | |
2114 | type_id == BT_CTF_TYPE_ID_ARRAY) { | |
2115 | /* Setting an alignment on these types makes no sense */ | |
2116 | ret = -1; | |
2117 | goto end; | |
2118 | } | |
2119 | ||
2120 | type->declaration->alignment = alignment; | |
2121 | ret = 0; | |
2122 | end: | |
2123 | return ret; | |
2124 | } | |
2125 | ||
2126 | enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order( | |
2127 | struct bt_ctf_field_type *type) | |
2128 | { | |
2129 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
2130 | ||
2131 | if (!type) { | |
2132 | goto end; | |
2133 | } | |
2134 | ||
2135 | switch (type->declaration->id) { | |
2136 | case BT_CTF_TYPE_ID_INTEGER: | |
2137 | { | |
2138 | struct bt_ctf_field_type_integer *integer = container_of( | |
2139 | type, struct bt_ctf_field_type_integer, parent); | |
2140 | ret = integer->user_byte_order; | |
2141 | break; | |
2142 | } | |
2143 | case BT_CTF_TYPE_ID_FLOAT: | |
2144 | { | |
2145 | struct bt_ctf_field_type_floating_point *floating_point = | |
2146 | container_of(type, | |
2147 | struct bt_ctf_field_type_floating_point, | |
2148 | parent); | |
2149 | ret = floating_point->user_byte_order; | |
2150 | break; | |
2151 | } | |
2152 | default: | |
2153 | goto end; | |
2154 | } | |
2155 | ||
2156 | assert(ret == BT_CTF_BYTE_ORDER_NATIVE || | |
2157 | ret == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN || | |
2158 | ret == BT_CTF_BYTE_ORDER_BIG_ENDIAN || | |
2159 | ret == BT_CTF_BYTE_ORDER_NETWORK); | |
2160 | ||
2161 | end: | |
2162 | return ret; | |
2163 | } | |
2164 | ||
2165 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, | |
2166 | enum bt_ctf_byte_order byte_order) | |
2167 | { | |
2168 | int ret = 0; | |
2169 | int internal_byte_order; | |
2170 | enum bt_ctf_type_id type_id; | |
2171 | ||
2172 | if (!type || type->frozen) { | |
2173 | ret = -1; | |
2174 | goto end; | |
2175 | } | |
2176 | ||
2177 | switch (byte_order) { | |
2178 | case BT_CTF_BYTE_ORDER_NATIVE: | |
2179 | /* Leave unset. Will be initialized by parent. */ | |
2180 | internal_byte_order = 0; | |
2181 | break; | |
2182 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
2183 | internal_byte_order = LITTLE_ENDIAN; | |
2184 | break; | |
2185 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
2186 | case BT_CTF_BYTE_ORDER_NETWORK: | |
2187 | internal_byte_order = BIG_ENDIAN; | |
2188 | break; | |
2189 | default: | |
2190 | ret = -1; | |
2191 | goto end; | |
2192 | } | |
2193 | ||
2194 | type_id = type->declaration->id; | |
2195 | if (set_byte_order_funcs[type_id]) { | |
2196 | set_byte_order_funcs[type_id](type, internal_byte_order, 0); | |
2197 | } | |
2198 | end: | |
2199 | return ret; | |
2200 | } | |
2201 | ||
2202 | enum bt_ctf_type_id bt_ctf_field_type_get_type_id( | |
2203 | struct bt_ctf_field_type *type) | |
2204 | { | |
2205 | if (!type) { | |
2206 | return BT_CTF_TYPE_ID_UNKNOWN; | |
2207 | } | |
2208 | ||
2209 | return type->declaration->id; | |
2210 | } | |
2211 | ||
2212 | int bt_ctf_field_type_is_integer(struct bt_ctf_field_type *type) | |
2213 | { | |
2214 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_INTEGER; | |
2215 | } | |
2216 | ||
2217 | int bt_ctf_field_type_is_floating_point(struct bt_ctf_field_type *type) | |
2218 | { | |
2219 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_FLOAT; | |
2220 | } | |
2221 | ||
2222 | int bt_ctf_field_type_is_enumeration(struct bt_ctf_field_type *type) | |
2223 | { | |
2224 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ENUM; | |
2225 | } | |
2226 | ||
2227 | int bt_ctf_field_type_is_string(struct bt_ctf_field_type *type) | |
2228 | { | |
2229 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRING; | |
2230 | } | |
2231 | ||
2232 | int bt_ctf_field_type_is_structure(struct bt_ctf_field_type *type) | |
2233 | { | |
2234 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_STRUCT; | |
2235 | } | |
2236 | ||
2237 | int bt_ctf_field_type_is_array(struct bt_ctf_field_type *type) | |
2238 | { | |
2239 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_ARRAY; | |
2240 | } | |
2241 | ||
2242 | int bt_ctf_field_type_is_sequence(struct bt_ctf_field_type *type) | |
2243 | { | |
2244 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_SEQUENCE; | |
2245 | } | |
2246 | ||
2247 | int bt_ctf_field_type_is_variant(struct bt_ctf_field_type *type) | |
2248 | { | |
2249 | return bt_ctf_field_type_get_type_id(type) == BT_CTF_TYPE_ID_VARIANT; | |
2250 | } | |
2251 | ||
2252 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) | |
2253 | { | |
2254 | bt_get(type); | |
2255 | } | |
2256 | ||
2257 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) | |
2258 | { | |
2259 | bt_put(type); | |
2260 | } | |
2261 | ||
2262 | BT_HIDDEN | |
2263 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) | |
2264 | { | |
2265 | if (!type) { | |
2266 | return; | |
2267 | } | |
2268 | ||
2269 | type->freeze(type); | |
2270 | } | |
2271 | ||
2272 | BT_HIDDEN | |
2273 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_signed( | |
2274 | struct bt_ctf_field_type_variant *variant, | |
2275 | int64_t tag_value) | |
2276 | { | |
2277 | struct bt_ctf_field_type *type = NULL; | |
2278 | GQuark field_name_quark; | |
2279 | gpointer index; | |
2280 | struct structure_field *field_entry; | |
2281 | struct range_overlap_query query = { | |
2282 | .range_start._signed = tag_value, | |
2283 | .range_end._signed = tag_value, | |
2284 | .mapping_name = 0, .overlaps = 0}; | |
2285 | ||
2286 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, | |
2287 | &query); | |
2288 | if (!query.overlaps) { | |
2289 | goto end; | |
2290 | } | |
2291 | ||
2292 | field_name_quark = query.mapping_name; | |
2293 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2294 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
2295 | goto end; | |
2296 | } | |
2297 | ||
2298 | field_entry = g_ptr_array_index(variant->fields, (size_t) index); | |
2299 | type = field_entry->type; | |
2300 | end: | |
2301 | return type; | |
2302 | } | |
2303 | ||
2304 | BT_HIDDEN | |
2305 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_unsigned( | |
2306 | struct bt_ctf_field_type_variant *variant, | |
2307 | uint64_t tag_value) | |
2308 | { | |
2309 | struct bt_ctf_field_type *type = NULL; | |
2310 | GQuark field_name_quark; | |
2311 | gpointer index; | |
2312 | struct structure_field *field_entry; | |
2313 | struct range_overlap_query query = { | |
2314 | .range_start._unsigned = tag_value, | |
2315 | .range_end._unsigned = tag_value, | |
2316 | .mapping_name = 0, .overlaps = 0}; | |
2317 | ||
2318 | g_ptr_array_foreach(variant->tag->entries, | |
2319 | check_ranges_overlap_unsigned, | |
2320 | &query); | |
2321 | if (!query.overlaps) { | |
2322 | goto end; | |
2323 | } | |
2324 | ||
2325 | field_name_quark = query.mapping_name; | |
2326 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2327 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { | |
2328 | goto end; | |
2329 | } | |
2330 | ||
2331 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); | |
2332 | type = field_entry->type; | |
2333 | end: | |
2334 | return type; | |
2335 | } | |
2336 | ||
2337 | BT_HIDDEN | |
2338 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, | |
2339 | struct metadata_context *context) | |
2340 | { | |
2341 | int ret; | |
2342 | ||
2343 | if (!type || !context) { | |
2344 | ret = -1; | |
2345 | goto end; | |
2346 | } | |
2347 | ||
2348 | /* Make sure field type is valid before serializing it */ | |
2349 | ret = bt_ctf_field_type_validate(type); | |
2350 | ||
2351 | if (ret) { | |
2352 | goto end; | |
2353 | } | |
2354 | ||
2355 | ret = type->serialize(type, context); | |
2356 | end: | |
2357 | return ret; | |
2358 | } | |
2359 | ||
2360 | BT_HIDDEN | |
2361 | void bt_ctf_field_type_set_native_byte_order(struct bt_ctf_field_type *type, | |
2362 | int byte_order) | |
2363 | { | |
2364 | if (!type) { | |
2365 | return; | |
2366 | } | |
2367 | ||
2368 | assert(byte_order == LITTLE_ENDIAN || byte_order == BIG_ENDIAN); | |
2369 | if (set_byte_order_funcs[type->declaration->id]) { | |
2370 | set_byte_order_funcs[type->declaration->id](type, | |
2371 | byte_order, 1); | |
2372 | } | |
2373 | } | |
2374 | ||
2375 | BT_HIDDEN | |
2376 | struct bt_ctf_field_type *bt_ctf_field_type_copy(struct bt_ctf_field_type *type) | |
2377 | { | |
2378 | struct bt_ctf_field_type *copy = NULL; | |
2379 | ||
2380 | if (!type) { | |
2381 | goto end; | |
2382 | } | |
2383 | ||
2384 | copy = type_copy_funcs[type->declaration->id](type); | |
2385 | end: | |
2386 | return copy; | |
2387 | } | |
2388 | ||
2389 | BT_HIDDEN | |
2390 | int bt_ctf_field_type_structure_get_field_name_index( | |
2391 | struct bt_ctf_field_type *type, const char *name) | |
2392 | { | |
2393 | int ret; | |
2394 | size_t index; | |
2395 | GQuark name_quark; | |
2396 | struct bt_ctf_field_type_structure *structure; | |
2397 | ||
2398 | if (!type || !name || | |
2399 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) { | |
2400 | ret = -1; | |
2401 | goto end; | |
2402 | } | |
2403 | ||
2404 | name_quark = g_quark_try_string(name); | |
2405 | if (!name_quark) { | |
2406 | ret = -1; | |
2407 | goto end; | |
2408 | } | |
2409 | ||
2410 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
2411 | parent); | |
2412 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
2413 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
2414 | ret = -1; | |
2415 | goto end; | |
2416 | } | |
2417 | ret = (int) index; | |
2418 | end: | |
2419 | return ret; | |
2420 | } | |
2421 | ||
2422 | BT_HIDDEN | |
2423 | int bt_ctf_field_type_structure_set_field_index(struct bt_ctf_field_type *type, | |
2424 | struct bt_ctf_field_type *field, int index) | |
2425 | { | |
2426 | int ret = 0; | |
2427 | struct bt_ctf_field_type_structure *structure; | |
2428 | ||
2429 | if (!type || !field || | |
2430 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_STRUCT) { | |
2431 | ret = -1; | |
2432 | goto end; | |
2433 | } | |
2434 | ||
2435 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
2436 | parent); | |
2437 | if (index < 0 || index >= structure->fields->len) { | |
2438 | ret = -1; | |
2439 | goto end; | |
2440 | } | |
2441 | ||
2442 | bt_get(field); | |
2443 | bt_put(((struct structure_field *) | |
2444 | g_ptr_array_index(structure->fields, index))->type); | |
2445 | ((struct structure_field *) structure->fields->pdata[index])->type = | |
2446 | field; | |
2447 | end: | |
2448 | return ret; | |
2449 | } | |
2450 | ||
2451 | BT_HIDDEN | |
2452 | int bt_ctf_field_type_variant_get_field_name_index( | |
2453 | struct bt_ctf_field_type *type, const char *name) | |
2454 | { | |
2455 | int ret; | |
2456 | size_t index; | |
2457 | GQuark name_quark; | |
2458 | struct bt_ctf_field_type_variant *variant; | |
2459 | ||
2460 | if (!type || !name || | |
2461 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) { | |
2462 | ret = -1; | |
2463 | goto end; | |
2464 | } | |
2465 | ||
2466 | name_quark = g_quark_try_string(name); | |
2467 | if (!name_quark) { | |
2468 | ret = -1; | |
2469 | goto end; | |
2470 | } | |
2471 | ||
2472 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2473 | parent); | |
2474 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, | |
2475 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { | |
2476 | ret = -1; | |
2477 | goto end; | |
2478 | } | |
2479 | ret = (int) index; | |
2480 | end: | |
2481 | return ret; | |
2482 | } | |
2483 | ||
2484 | BT_HIDDEN | |
2485 | int bt_ctf_field_type_sequence_set_length_field_path( | |
2486 | struct bt_ctf_field_type *type, | |
2487 | struct bt_ctf_field_path *path) | |
2488 | { | |
2489 | int ret = 0; | |
2490 | struct bt_ctf_field_type_sequence *sequence; | |
2491 | ||
2492 | if (!type || bt_ctf_field_type_get_type_id(type) != | |
2493 | BT_CTF_TYPE_ID_SEQUENCE) { | |
2494 | ret = -1; | |
2495 | goto end; | |
2496 | } | |
2497 | ||
2498 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
2499 | parent); | |
2500 | bt_get(path); | |
2501 | BT_MOVE(sequence->length_field_path, path); | |
2502 | end: | |
2503 | return ret; | |
2504 | } | |
2505 | ||
2506 | BT_HIDDEN | |
2507 | int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type *type, | |
2508 | struct bt_ctf_field_path *path) | |
2509 | { | |
2510 | int ret = 0; | |
2511 | struct bt_ctf_field_type_variant *variant; | |
2512 | ||
2513 | if (!type || bt_ctf_field_type_get_type_id(type) != | |
2514 | BT_CTF_TYPE_ID_VARIANT) { | |
2515 | ret = -1; | |
2516 | goto end; | |
2517 | } | |
2518 | ||
2519 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2520 | parent); | |
2521 | bt_get(path); | |
2522 | BT_MOVE(variant->tag_field_path, path); | |
2523 | end: | |
2524 | return ret; | |
2525 | } | |
2526 | ||
2527 | BT_HIDDEN | |
2528 | int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type *type, | |
2529 | struct bt_ctf_field_type *tag) | |
2530 | { | |
2531 | int ret = 0; | |
2532 | struct bt_ctf_field_type_variant *variant; | |
2533 | ||
2534 | if (!type || !tag || | |
2535 | bt_ctf_field_type_get_type_id(tag) != | |
2536 | BT_CTF_TYPE_ID_ENUM) { | |
2537 | ret = -1; | |
2538 | goto end; | |
2539 | } | |
2540 | ||
2541 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2542 | parent); | |
2543 | bt_get(tag); | |
2544 | if (variant->tag) { | |
2545 | bt_put(&variant->tag->parent); | |
2546 | } | |
2547 | variant->tag = container_of(tag, struct bt_ctf_field_type_enumeration, | |
2548 | parent); | |
2549 | end: | |
2550 | return ret; | |
2551 | } | |
2552 | ||
2553 | BT_HIDDEN | |
2554 | int bt_ctf_field_type_variant_set_field_index(struct bt_ctf_field_type *type, | |
2555 | struct bt_ctf_field_type *field, int index) | |
2556 | { | |
2557 | int ret = 0; | |
2558 | struct bt_ctf_field_type_variant *variant; | |
2559 | ||
2560 | if (!type || !field || | |
2561 | bt_ctf_field_type_get_type_id(type) != BT_CTF_TYPE_ID_VARIANT) { | |
2562 | ret = -1; | |
2563 | goto end; | |
2564 | } | |
2565 | ||
2566 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
2567 | parent); | |
2568 | if (index < 0 || index >= variant->fields->len) { | |
2569 | ret = -1; | |
2570 | goto end; | |
2571 | } | |
2572 | ||
2573 | bt_get(field); | |
2574 | bt_put(((struct structure_field *) | |
2575 | g_ptr_array_index(variant->fields, index))->type); | |
2576 | ((struct structure_field *) variant->fields->pdata[index])->type = | |
2577 | field; | |
2578 | end: | |
2579 | return ret; | |
2580 | } | |
2581 | ||
2582 | static | |
2583 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_field_type *type) | |
2584 | { | |
2585 | struct bt_ctf_field_type_integer *integer = | |
2586 | (struct bt_ctf_field_type_integer *) type; | |
2587 | ||
2588 | if (!type) { | |
2589 | return; | |
2590 | } | |
2591 | ||
2592 | bt_put(integer->mapped_clock); | |
2593 | g_free(integer); | |
2594 | } | |
2595 | ||
2596 | static | |
2597 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_field_type *type) | |
2598 | { | |
2599 | struct bt_ctf_field_type_enumeration *enumeration = | |
2600 | (struct bt_ctf_field_type_enumeration *) type; | |
2601 | ||
2602 | if (!type) { | |
2603 | return; | |
2604 | } | |
2605 | ||
2606 | g_ptr_array_free(enumeration->entries, TRUE); | |
2607 | bt_put(enumeration->container); | |
2608 | g_free(enumeration); | |
2609 | } | |
2610 | ||
2611 | static | |
2612 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_field_type *type) | |
2613 | { | |
2614 | struct bt_ctf_field_type_floating_point *floating_point = | |
2615 | (struct bt_ctf_field_type_floating_point *) type; | |
2616 | ||
2617 | if (!type) { | |
2618 | return; | |
2619 | } | |
2620 | ||
2621 | g_free(floating_point); | |
2622 | } | |
2623 | ||
2624 | static | |
2625 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_field_type *type) | |
2626 | { | |
2627 | struct bt_ctf_field_type_structure *structure = | |
2628 | (struct bt_ctf_field_type_structure *) type; | |
2629 | ||
2630 | if (!type) { | |
2631 | return; | |
2632 | } | |
2633 | ||
2634 | g_ptr_array_free(structure->fields, TRUE); | |
2635 | g_hash_table_destroy(structure->field_name_to_index); | |
2636 | g_free(structure); | |
2637 | } | |
2638 | ||
2639 | static | |
2640 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_field_type *type) | |
2641 | { | |
2642 | struct bt_ctf_field_type_variant *variant = | |
2643 | (struct bt_ctf_field_type_variant *) type; | |
2644 | ||
2645 | if (!type) { | |
2646 | return; | |
2647 | } | |
2648 | ||
2649 | g_ptr_array_free(variant->fields, TRUE); | |
2650 | g_hash_table_destroy(variant->field_name_to_index); | |
2651 | g_string_free(variant->tag_name, TRUE); | |
2652 | bt_put(&variant->tag->parent); | |
2653 | BT_PUT(variant->tag_field_path); | |
2654 | g_free(variant); | |
2655 | } | |
2656 | ||
2657 | static | |
2658 | void bt_ctf_field_type_array_destroy(struct bt_ctf_field_type *type) | |
2659 | { | |
2660 | struct bt_ctf_field_type_array *array = | |
2661 | (struct bt_ctf_field_type_array *) type; | |
2662 | ||
2663 | if (!type) { | |
2664 | return; | |
2665 | } | |
2666 | ||
2667 | bt_put(array->element_type); | |
2668 | g_free(array); | |
2669 | } | |
2670 | ||
2671 | static | |
2672 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_field_type *type) | |
2673 | { | |
2674 | struct bt_ctf_field_type_sequence *sequence = | |
2675 | (struct bt_ctf_field_type_sequence *) type; | |
2676 | ||
2677 | if (!type) { | |
2678 | return; | |
2679 | } | |
2680 | ||
2681 | bt_put(sequence->element_type); | |
2682 | g_string_free(sequence->length_field_name, TRUE); | |
2683 | BT_PUT(sequence->length_field_path); | |
2684 | g_free(sequence); | |
2685 | } | |
2686 | ||
2687 | static | |
2688 | void bt_ctf_field_type_string_destroy(struct bt_ctf_field_type *type) | |
2689 | { | |
2690 | struct bt_ctf_field_type_string *string = | |
2691 | (struct bt_ctf_field_type_string *) type; | |
2692 | ||
2693 | if (!type) { | |
2694 | return; | |
2695 | } | |
2696 | ||
2697 | g_free(string); | |
2698 | } | |
2699 | ||
2700 | static | |
2701 | void generic_field_type_freeze(struct bt_ctf_field_type *type) | |
2702 | { | |
2703 | type->frozen = 1; | |
2704 | } | |
2705 | ||
2706 | static | |
2707 | void bt_ctf_field_type_integer_freeze(struct bt_ctf_field_type *type) | |
2708 | { | |
2709 | struct bt_ctf_field_type_integer *integer_type = container_of( | |
2710 | type, struct bt_ctf_field_type_integer, parent); | |
2711 | ||
2712 | if (integer_type->mapped_clock) { | |
2713 | bt_ctf_clock_freeze(integer_type->mapped_clock); | |
2714 | } | |
2715 | ||
2716 | generic_field_type_freeze(type); | |
2717 | } | |
2718 | ||
2719 | static | |
2720 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) | |
2721 | { | |
2722 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( | |
2723 | type, struct bt_ctf_field_type_enumeration, parent); | |
2724 | ||
2725 | generic_field_type_freeze(type); | |
2726 | bt_ctf_field_type_freeze(enumeration_type->container); | |
2727 | } | |
2728 | ||
2729 | static | |
2730 | void freeze_structure_field(struct structure_field *field) | |
2731 | { | |
2732 | bt_ctf_field_type_freeze(field->type); | |
2733 | } | |
2734 | ||
2735 | static | |
2736 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) | |
2737 | { | |
2738 | struct bt_ctf_field_type_structure *structure_type = container_of( | |
2739 | type, struct bt_ctf_field_type_structure, parent); | |
2740 | ||
2741 | /* Cache the alignment */ | |
2742 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2743 | generic_field_type_freeze(type); | |
2744 | g_ptr_array_foreach(structure_type->fields, | |
2745 | (GFunc) freeze_structure_field, NULL); | |
2746 | } | |
2747 | ||
2748 | static | |
2749 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) | |
2750 | { | |
2751 | struct bt_ctf_field_type_variant *variant_type = container_of( | |
2752 | type, struct bt_ctf_field_type_variant, parent); | |
2753 | ||
2754 | generic_field_type_freeze(type); | |
2755 | g_ptr_array_foreach(variant_type->fields, | |
2756 | (GFunc) freeze_structure_field, NULL); | |
2757 | } | |
2758 | ||
2759 | static | |
2760 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) | |
2761 | { | |
2762 | struct bt_ctf_field_type_array *array_type = container_of( | |
2763 | type, struct bt_ctf_field_type_array, parent); | |
2764 | ||
2765 | /* Cache the alignment */ | |
2766 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2767 | generic_field_type_freeze(type); | |
2768 | bt_ctf_field_type_freeze(array_type->element_type); | |
2769 | } | |
2770 | ||
2771 | static | |
2772 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) | |
2773 | { | |
2774 | struct bt_ctf_field_type_sequence *sequence_type = container_of( | |
2775 | type, struct bt_ctf_field_type_sequence, parent); | |
2776 | ||
2777 | /* Cache the alignment */ | |
2778 | type->declaration->alignment = bt_ctf_field_type_get_alignment(type); | |
2779 | generic_field_type_freeze(type); | |
2780 | bt_ctf_field_type_freeze(sequence_type->element_type); | |
2781 | } | |
2782 | ||
2783 | static | |
2784 | const char *get_encoding_string(enum bt_ctf_string_encoding encoding) | |
2785 | { | |
2786 | const char *encoding_string; | |
2787 | ||
2788 | switch (encoding) { | |
2789 | case BT_CTF_STRING_ENCODING_NONE: | |
2790 | encoding_string = "none"; | |
2791 | break; | |
2792 | case BT_CTF_STRING_ENCODING_ASCII: | |
2793 | encoding_string = "ASCII"; | |
2794 | break; | |
2795 | case BT_CTF_STRING_ENCODING_UTF8: | |
2796 | encoding_string = "UTF8"; | |
2797 | break; | |
2798 | default: | |
2799 | encoding_string = "unknown"; | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | return encoding_string; | |
2804 | } | |
2805 | ||
2806 | static | |
2807 | const char *get_integer_base_string(enum bt_ctf_integer_base base) | |
2808 | { | |
2809 | const char *base_string; | |
2810 | ||
2811 | switch (base) { | |
2812 | case BT_CTF_INTEGER_BASE_DECIMAL: | |
2813 | base_string = "decimal"; | |
2814 | break; | |
2815 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: | |
2816 | base_string = "hexadecimal"; | |
2817 | break; | |
2818 | case BT_CTF_INTEGER_BASE_OCTAL: | |
2819 | base_string = "octal"; | |
2820 | break; | |
2821 | case BT_CTF_INTEGER_BASE_BINARY: | |
2822 | base_string = "binary"; | |
2823 | break; | |
2824 | default: | |
2825 | base_string = "unknown"; | |
2826 | break; | |
2827 | } | |
2828 | ||
2829 | return base_string; | |
2830 | } | |
2831 | ||
2832 | static | |
2833 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, | |
2834 | struct metadata_context *context) | |
2835 | { | |
2836 | struct bt_ctf_field_type_integer *integer = container_of(type, | |
2837 | struct bt_ctf_field_type_integer, parent); | |
2838 | int ret = 0; | |
2839 | ||
2840 | g_string_append_printf(context->string, | |
2841 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s", | |
2842 | integer->declaration.len, type->declaration->alignment, | |
2843 | (integer->declaration.signedness ? "true" : "false"), | |
2844 | get_encoding_string(integer->declaration.encoding), | |
2845 | get_integer_base_string(integer->declaration.base), | |
2846 | get_byte_order_string(integer->declaration.byte_order)); | |
2847 | if (integer->mapped_clock) { | |
2848 | const char *clock_name = bt_ctf_clock_get_name( | |
2849 | integer->mapped_clock); | |
2850 | ||
2851 | if (!clock_name) { | |
2852 | ret = -1; | |
2853 | goto end; | |
2854 | } | |
2855 | ||
2856 | g_string_append_printf(context->string, | |
2857 | "; map = clock.%s.value", clock_name); | |
2858 | } | |
2859 | ||
2860 | g_string_append(context->string, "; }"); | |
2861 | end: | |
2862 | return ret; | |
2863 | } | |
2864 | ||
2865 | static | |
2866 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, | |
2867 | struct metadata_context *context) | |
2868 | { | |
2869 | size_t entry; | |
2870 | int ret; | |
2871 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, | |
2872 | struct bt_ctf_field_type_enumeration, parent); | |
2873 | struct bt_ctf_field_type *container_type; | |
2874 | int container_signed; | |
2875 | ||
2876 | container_type = bt_ctf_field_type_enumeration_get_container_type(type); | |
2877 | if (!container_type) { | |
2878 | ret = -1; | |
2879 | goto end; | |
2880 | } | |
2881 | ||
2882 | container_signed = bt_ctf_field_type_integer_get_signed(container_type); | |
2883 | if (container_signed < 0) { | |
2884 | ret = container_signed; | |
2885 | goto error_put_container_type; | |
2886 | } | |
2887 | ||
2888 | g_string_append(context->string, "enum : "); | |
2889 | ret = bt_ctf_field_type_serialize(enumeration->container, context); | |
2890 | if (ret) { | |
2891 | goto error_put_container_type; | |
2892 | } | |
2893 | ||
2894 | g_string_append(context->string, " { "); | |
2895 | for (entry = 0; entry < enumeration->entries->len; entry++) { | |
2896 | struct enumeration_mapping *mapping = | |
2897 | enumeration->entries->pdata[entry]; | |
2898 | ||
2899 | if (container_signed) { | |
2900 | if (mapping->range_start._signed == | |
2901 | mapping->range_end._signed) { | |
2902 | g_string_append_printf(context->string, | |
2903 | "\"%s\" = %" PRId64, | |
2904 | g_quark_to_string(mapping->string), | |
2905 | mapping->range_start._signed); | |
2906 | } else { | |
2907 | g_string_append_printf(context->string, | |
2908 | "\"%s\" = %" PRId64 " ... %" PRId64, | |
2909 | g_quark_to_string(mapping->string), | |
2910 | mapping->range_start._signed, | |
2911 | mapping->range_end._signed); | |
2912 | } | |
2913 | } else { | |
2914 | if (mapping->range_start._unsigned == | |
2915 | mapping->range_end._unsigned) { | |
2916 | g_string_append_printf(context->string, | |
2917 | "\"%s\" = %" PRIu64, | |
2918 | g_quark_to_string(mapping->string), | |
2919 | mapping->range_start._unsigned); | |
2920 | } else { | |
2921 | g_string_append_printf(context->string, | |
2922 | "\"%s\" = %" PRIu64 " ... %" PRIu64, | |
2923 | g_quark_to_string(mapping->string), | |
2924 | mapping->range_start._unsigned, | |
2925 | mapping->range_end._unsigned); | |
2926 | } | |
2927 | } | |
2928 | ||
2929 | g_string_append(context->string, | |
2930 | ((entry != (enumeration->entries->len - 1)) ? | |
2931 | ", " : " }")); | |
2932 | } | |
2933 | ||
2934 | if (context->field_name->len) { | |
2935 | g_string_append_printf(context->string, " %s", | |
2936 | context->field_name->str); | |
2937 | g_string_assign(context->field_name, ""); | |
2938 | } | |
2939 | error_put_container_type: | |
2940 | bt_put(container_type); | |
2941 | end: | |
2942 | return ret; | |
2943 | } | |
2944 | ||
2945 | static | |
2946 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, | |
2947 | struct metadata_context *context) | |
2948 | { | |
2949 | struct bt_ctf_field_type_floating_point *floating_point = container_of( | |
2950 | type, struct bt_ctf_field_type_floating_point, parent); | |
2951 | ||
2952 | g_string_append_printf(context->string, | |
2953 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", | |
2954 | floating_point->declaration.exp->len, | |
2955 | floating_point->declaration.mantissa->len + 1, | |
2956 | get_byte_order_string(floating_point->declaration.byte_order), | |
2957 | type->declaration->alignment); | |
2958 | return 0; | |
2959 | } | |
2960 | ||
2961 | static | |
2962 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, | |
2963 | struct metadata_context *context) | |
2964 | { | |
2965 | size_t i; | |
2966 | unsigned int indent; | |
2967 | int ret = 0; | |
2968 | struct bt_ctf_field_type_structure *structure = container_of(type, | |
2969 | struct bt_ctf_field_type_structure, parent); | |
2970 | GString *structure_field_name = context->field_name; | |
2971 | ||
2972 | context->field_name = g_string_new(""); | |
2973 | ||
2974 | context->current_indentation_level++; | |
2975 | g_string_append(context->string, "struct {\n"); | |
2976 | ||
2977 | for (i = 0; i < structure->fields->len; i++) { | |
2978 | struct structure_field *field; | |
2979 | ||
2980 | for (indent = 0; indent < context->current_indentation_level; | |
2981 | indent++) { | |
2982 | g_string_append_c(context->string, '\t'); | |
2983 | } | |
2984 | ||
2985 | field = structure->fields->pdata[i]; | |
2986 | g_string_assign(context->field_name, | |
2987 | g_quark_to_string(field->name)); | |
2988 | ret = bt_ctf_field_type_serialize(field->type, context); | |
2989 | if (ret) { | |
2990 | goto end; | |
2991 | } | |
2992 | ||
2993 | if (context->field_name->len) { | |
2994 | g_string_append_printf(context->string, " %s", | |
2995 | context->field_name->str); | |
2996 | } | |
2997 | g_string_append(context->string, ";\n"); | |
2998 | } | |
2999 | ||
3000 | context->current_indentation_level--; | |
3001 | for (indent = 0; indent < context->current_indentation_level; | |
3002 | indent++) { | |
3003 | g_string_append_c(context->string, '\t'); | |
3004 | } | |
3005 | ||
3006 | g_string_append_printf(context->string, "} align(%zu)", | |
3007 | type->declaration->alignment); | |
3008 | end: | |
3009 | g_string_free(context->field_name, TRUE); | |
3010 | context->field_name = structure_field_name; | |
3011 | return ret; | |
3012 | } | |
3013 | ||
3014 | static | |
3015 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, | |
3016 | struct metadata_context *context) | |
3017 | { | |
3018 | size_t i; | |
3019 | unsigned int indent; | |
3020 | int ret = 0; | |
3021 | struct bt_ctf_field_type_variant *variant = container_of( | |
3022 | type, struct bt_ctf_field_type_variant, parent); | |
3023 | GString *variant_field_name = context->field_name; | |
3024 | ||
3025 | context->field_name = g_string_new(""); | |
3026 | if (variant->tag_name->len > 0) { | |
3027 | g_string_append_printf(context->string, | |
3028 | "variant <%s> {\n", variant->tag_name->str); | |
3029 | } else { | |
3030 | g_string_append(context->string, "variant {\n"); | |
3031 | } | |
3032 | ||
3033 | context->current_indentation_level++; | |
3034 | for (i = 0; i < variant->fields->len; i++) { | |
3035 | struct structure_field *field = variant->fields->pdata[i]; | |
3036 | ||
3037 | g_string_assign(context->field_name, | |
3038 | g_quark_to_string(field->name)); | |
3039 | for (indent = 0; indent < context->current_indentation_level; | |
3040 | indent++) { | |
3041 | g_string_append_c(context->string, '\t'); | |
3042 | } | |
3043 | ||
3044 | g_string_assign(context->field_name, | |
3045 | g_quark_to_string(field->name)); | |
3046 | ret = bt_ctf_field_type_serialize(field->type, context); | |
3047 | if (ret) { | |
3048 | goto end; | |
3049 | } | |
3050 | ||
3051 | if (context->field_name->len) { | |
3052 | g_string_append_printf(context->string, " %s;", | |
3053 | context->field_name->str); | |
3054 | } | |
3055 | ||
3056 | g_string_append_c(context->string, '\n'); | |
3057 | } | |
3058 | ||
3059 | context->current_indentation_level--; | |
3060 | for (indent = 0; indent < context->current_indentation_level; | |
3061 | indent++) { | |
3062 | g_string_append_c(context->string, '\t'); | |
3063 | } | |
3064 | ||
3065 | g_string_append(context->string, "}"); | |
3066 | end: | |
3067 | g_string_free(context->field_name, TRUE); | |
3068 | context->field_name = variant_field_name; | |
3069 | return ret; | |
3070 | } | |
3071 | ||
3072 | static | |
3073 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, | |
3074 | struct metadata_context *context) | |
3075 | { | |
3076 | int ret = 0; | |
3077 | struct bt_ctf_field_type_array *array = container_of(type, | |
3078 | struct bt_ctf_field_type_array, parent); | |
3079 | ||
3080 | ret = bt_ctf_field_type_serialize(array->element_type, context); | |
3081 | if (ret) { | |
3082 | goto end; | |
3083 | } | |
3084 | ||
3085 | if (context->field_name->len) { | |
3086 | g_string_append_printf(context->string, " %s[%u]", | |
3087 | context->field_name->str, array->length); | |
3088 | g_string_assign(context->field_name, ""); | |
3089 | } else { | |
3090 | g_string_append_printf(context->string, "[%u]", array->length); | |
3091 | } | |
3092 | end: | |
3093 | return ret; | |
3094 | } | |
3095 | ||
3096 | static | |
3097 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, | |
3098 | struct metadata_context *context) | |
3099 | { | |
3100 | int ret = 0; | |
3101 | struct bt_ctf_field_type_sequence *sequence = container_of( | |
3102 | type, struct bt_ctf_field_type_sequence, parent); | |
3103 | ||
3104 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); | |
3105 | if (ret) { | |
3106 | goto end; | |
3107 | } | |
3108 | ||
3109 | if (context->field_name->len) { | |
3110 | g_string_append_printf(context->string, " %s[%s]", | |
3111 | context->field_name->str, | |
3112 | sequence->length_field_name->str); | |
3113 | g_string_assign(context->field_name, ""); | |
3114 | } else { | |
3115 | g_string_append_printf(context->string, "[%s]", | |
3116 | sequence->length_field_name->str); | |
3117 | } | |
3118 | end: | |
3119 | return ret; | |
3120 | } | |
3121 | ||
3122 | static | |
3123 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, | |
3124 | struct metadata_context *context) | |
3125 | { | |
3126 | struct bt_ctf_field_type_string *string = container_of( | |
3127 | type, struct bt_ctf_field_type_string, parent); | |
3128 | ||
3129 | g_string_append_printf(context->string, | |
3130 | "string { encoding = %s; }", | |
3131 | get_encoding_string(string->declaration.encoding)); | |
3132 | return 0; | |
3133 | } | |
3134 | ||
3135 | static | |
3136 | enum bt_ctf_byte_order get_ctf_ir_byte_order(int byte_order) { | |
3137 | enum bt_ctf_byte_order ret; | |
3138 | ||
3139 | switch (byte_order) { | |
3140 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
3141 | case LITTLE_ENDIAN: | |
3142 | ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
3143 | break; | |
3144 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
3145 | case BIG_ENDIAN: | |
3146 | ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
3147 | break; | |
3148 | case BT_CTF_BYTE_ORDER_NETWORK: | |
3149 | ret = BT_CTF_BYTE_ORDER_NETWORK; | |
3150 | break; | |
3151 | case BT_CTF_BYTE_ORDER_NATIVE: | |
3152 | ret = BT_CTF_BYTE_ORDER_NATIVE; | |
3153 | break; | |
3154 | default: | |
3155 | ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
3156 | break; | |
3157 | } | |
3158 | ||
3159 | return ret; | |
3160 | } | |
3161 | ||
3162 | static | |
3163 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, | |
3164 | int byte_order, int set_native) | |
3165 | { | |
3166 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
3167 | struct bt_ctf_field_type_integer, parent); | |
3168 | ||
3169 | if (set_native) { | |
3170 | if (integer_type->user_byte_order == BT_CTF_BYTE_ORDER_NATIVE) { | |
3171 | /* | |
3172 | * User byte order is native, so we can set | |
3173 | * the real byte order. | |
3174 | */ | |
3175 | integer_type->declaration.byte_order = | |
3176 | byte_order; | |
3177 | } | |
3178 | } else { | |
3179 | integer_type->user_byte_order = | |
3180 | get_ctf_ir_byte_order(byte_order); | |
3181 | integer_type->declaration.byte_order = byte_order; | |
3182 | } | |
3183 | } | |
3184 | ||
3185 | static | |
3186 | void bt_ctf_field_type_enumeration_set_byte_order( | |
3187 | struct bt_ctf_field_type *type, int byte_order, int set_native) | |
3188 | { | |
3189 | struct bt_ctf_field_type_enumeration *enum_type = container_of(type, | |
3190 | struct bt_ctf_field_type_enumeration, parent); | |
3191 | ||
3192 | /* Safe to assume that container is an integer */ | |
3193 | bt_ctf_field_type_integer_set_byte_order(enum_type->container, | |
3194 | byte_order, set_native); | |
3195 | } | |
3196 | ||
3197 | static | |
3198 | void bt_ctf_field_type_floating_point_set_byte_order( | |
3199 | struct bt_ctf_field_type *type, int byte_order, int set_native) | |
3200 | { | |
3201 | struct bt_ctf_field_type_floating_point *floating_point_type = | |
3202 | container_of(type, struct bt_ctf_field_type_floating_point, | |
3203 | parent); | |
3204 | ||
3205 | if (set_native) { | |
3206 | if (floating_point_type->user_byte_order == | |
3207 | BT_CTF_BYTE_ORDER_NATIVE) { | |
3208 | /* | |
3209 | * User byte order is native, so we can set | |
3210 | * the real byte order. | |
3211 | */ | |
3212 | floating_point_type->declaration.byte_order = | |
3213 | byte_order; | |
3214 | floating_point_type->sign.byte_order = | |
3215 | byte_order; | |
3216 | floating_point_type->mantissa.byte_order = | |
3217 | byte_order; | |
3218 | floating_point_type->exp.byte_order = | |
3219 | byte_order; | |
3220 | } | |
3221 | } else { | |
3222 | floating_point_type->user_byte_order = | |
3223 | get_ctf_ir_byte_order(byte_order); | |
3224 | floating_point_type->declaration.byte_order = byte_order; | |
3225 | floating_point_type->sign.byte_order = byte_order; | |
3226 | floating_point_type->mantissa.byte_order = byte_order; | |
3227 | floating_point_type->exp.byte_order = byte_order; | |
3228 | } | |
3229 | } | |
3230 | ||
3231 | static | |
3232 | void bt_ctf_field_type_structure_set_byte_order(struct bt_ctf_field_type *type, | |
3233 | int byte_order, int set_native) | |
3234 | { | |
3235 | int i; | |
3236 | struct bt_ctf_field_type_structure *structure_type = | |
3237 | container_of(type, struct bt_ctf_field_type_structure, | |
3238 | parent); | |
3239 | ||
3240 | for (i = 0; i < structure_type->fields->len; i++) { | |
3241 | struct structure_field *field = g_ptr_array_index( | |
3242 | structure_type->fields, i); | |
3243 | struct bt_ctf_field_type *field_type = field->type; | |
3244 | ||
3245 | if (set_byte_order_funcs[field_type->declaration->id]) { | |
3246 | set_byte_order_funcs[field_type->declaration->id]( | |
3247 | field_type, byte_order, set_native); | |
3248 | } | |
3249 | } | |
3250 | } | |
3251 | ||
3252 | static | |
3253 | void bt_ctf_field_type_variant_set_byte_order(struct bt_ctf_field_type *type, | |
3254 | int byte_order, int set_native) | |
3255 | { | |
3256 | int i; | |
3257 | struct bt_ctf_field_type_variant *variant_type = | |
3258 | container_of(type, struct bt_ctf_field_type_variant, | |
3259 | parent); | |
3260 | ||
3261 | for (i = 0; i < variant_type->fields->len; i++) { | |
3262 | struct structure_field *field = g_ptr_array_index( | |
3263 | variant_type->fields, i); | |
3264 | struct bt_ctf_field_type *field_type = field->type; | |
3265 | ||
3266 | if (set_byte_order_funcs[field_type->declaration->id]) { | |
3267 | set_byte_order_funcs[field_type->declaration->id]( | |
3268 | field_type, byte_order, set_native); | |
3269 | } | |
3270 | } | |
3271 | } | |
3272 | ||
3273 | static | |
3274 | void bt_ctf_field_type_array_set_byte_order(struct bt_ctf_field_type *type, | |
3275 | int byte_order, int set_native) | |
3276 | { | |
3277 | struct bt_ctf_field_type_array *array_type = | |
3278 | container_of(type, struct bt_ctf_field_type_array, | |
3279 | parent); | |
3280 | ||
3281 | if (set_byte_order_funcs[array_type->element_type->declaration->id]) { | |
3282 | set_byte_order_funcs[array_type->element_type->declaration->id]( | |
3283 | array_type->element_type, byte_order, set_native); | |
3284 | } | |
3285 | } | |
3286 | ||
3287 | static | |
3288 | void bt_ctf_field_type_sequence_set_byte_order(struct bt_ctf_field_type *type, | |
3289 | int byte_order, int set_native) | |
3290 | { | |
3291 | struct bt_ctf_field_type_sequence *sequence_type = | |
3292 | container_of(type, struct bt_ctf_field_type_sequence, | |
3293 | parent); | |
3294 | ||
3295 | if (set_byte_order_funcs[ | |
3296 | sequence_type->element_type->declaration->id]) { | |
3297 | set_byte_order_funcs[ | |
3298 | sequence_type->element_type->declaration->id]( | |
3299 | sequence_type->element_type, byte_order, set_native); | |
3300 | } | |
3301 | } | |
3302 | ||
3303 | static | |
3304 | struct bt_ctf_field_type *bt_ctf_field_type_integer_copy( | |
3305 | struct bt_ctf_field_type *type) | |
3306 | { | |
3307 | struct bt_ctf_field_type *copy; | |
3308 | struct bt_ctf_field_type_integer *integer, *copy_integer; | |
3309 | ||
3310 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); | |
3311 | copy = bt_ctf_field_type_integer_create(integer->declaration.len); | |
3312 | if (!copy) { | |
3313 | goto end; | |
3314 | } | |
3315 | ||
3316 | copy_integer = container_of(copy, struct bt_ctf_field_type_integer, | |
3317 | parent); | |
3318 | copy_integer->declaration = integer->declaration; | |
3319 | if (integer->mapped_clock) { | |
3320 | bt_get(integer->mapped_clock); | |
3321 | copy_integer->mapped_clock = integer->mapped_clock; | |
3322 | } | |
3323 | ||
3324 | copy_integer->user_byte_order = integer->user_byte_order; | |
3325 | ||
3326 | end: | |
3327 | return copy; | |
3328 | } | |
3329 | ||
3330 | static | |
3331 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy( | |
3332 | struct bt_ctf_field_type *type) | |
3333 | { | |
3334 | size_t i; | |
3335 | struct bt_ctf_field_type *copy = NULL, *copy_container; | |
3336 | struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration; | |
3337 | ||
3338 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, | |
3339 | parent); | |
3340 | ||
3341 | /* Copy the source enumeration's container */ | |
3342 | copy_container = bt_ctf_field_type_copy(enumeration->container); | |
3343 | if (!copy_container) { | |
3344 | goto end; | |
3345 | } | |
3346 | ||
3347 | copy = bt_ctf_field_type_enumeration_create(copy_container); | |
3348 | if (!copy) { | |
3349 | goto end; | |
3350 | } | |
3351 | copy_enumeration = container_of(copy, | |
3352 | struct bt_ctf_field_type_enumeration, parent); | |
3353 | ||
3354 | /* Copy all enumaration entries */ | |
3355 | for (i = 0; i < enumeration->entries->len; i++) { | |
3356 | struct enumeration_mapping *mapping = g_ptr_array_index( | |
3357 | enumeration->entries, i); | |
3358 | struct enumeration_mapping* copy_mapping = g_new0( | |
3359 | struct enumeration_mapping, 1); | |
3360 | ||
3361 | if (!copy_mapping) { | |
3362 | goto error; | |
3363 | } | |
3364 | ||
3365 | *copy_mapping = *mapping; | |
3366 | g_ptr_array_add(copy_enumeration->entries, copy_mapping); | |
3367 | } | |
3368 | ||
3369 | copy_enumeration->declaration = enumeration->declaration; | |
3370 | end: | |
3371 | bt_put(copy_container); | |
3372 | return copy; | |
3373 | error: | |
3374 | bt_put(copy_container); | |
3375 | BT_PUT(copy); | |
3376 | return copy; | |
3377 | } | |
3378 | ||
3379 | static | |
3380 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy( | |
3381 | struct bt_ctf_field_type *type) | |
3382 | { | |
3383 | struct bt_ctf_field_type *copy; | |
3384 | struct bt_ctf_field_type_floating_point *floating_point, *copy_float; | |
3385 | ||
3386 | floating_point = container_of(type, | |
3387 | struct bt_ctf_field_type_floating_point, parent); | |
3388 | copy = bt_ctf_field_type_floating_point_create(); | |
3389 | if (!copy) { | |
3390 | goto end; | |
3391 | } | |
3392 | ||
3393 | copy_float = container_of(copy, | |
3394 | struct bt_ctf_field_type_floating_point, parent); | |
3395 | copy_float->declaration = floating_point->declaration; | |
3396 | copy_float->sign = floating_point->sign; | |
3397 | copy_float->mantissa = floating_point->mantissa; | |
3398 | copy_float->exp = floating_point->exp; | |
3399 | copy_float->user_byte_order = floating_point->user_byte_order; | |
3400 | copy_float->declaration.sign = ©_float->sign; | |
3401 | copy_float->declaration.mantissa = ©_float->mantissa; | |
3402 | copy_float->declaration.exp = ©_float->exp; | |
3403 | end: | |
3404 | return copy; | |
3405 | } | |
3406 | ||
3407 | static | |
3408 | struct bt_ctf_field_type *bt_ctf_field_type_structure_copy( | |
3409 | struct bt_ctf_field_type *type) | |
3410 | { | |
3411 | int i; | |
3412 | GHashTableIter iter; | |
3413 | gpointer key, value; | |
3414 | struct bt_ctf_field_type *copy; | |
3415 | struct bt_ctf_field_type_structure *structure, *copy_structure; | |
3416 | ||
3417 | structure = container_of(type, struct bt_ctf_field_type_structure, | |
3418 | parent); | |
3419 | copy = bt_ctf_field_type_structure_create(); | |
3420 | if (!copy) { | |
3421 | goto end; | |
3422 | } | |
3423 | ||
3424 | copy_structure = container_of(copy, | |
3425 | struct bt_ctf_field_type_structure, parent); | |
3426 | ||
3427 | /* Copy field_name_to_index */ | |
3428 | g_hash_table_iter_init(&iter, structure->field_name_to_index); | |
3429 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
3430 | g_hash_table_insert(copy_structure->field_name_to_index, | |
3431 | key, value); | |
3432 | } | |
3433 | ||
3434 | for (i = 0; i < structure->fields->len; i++) { | |
3435 | struct structure_field *entry, *copy_entry; | |
3436 | struct bt_ctf_field_type *copy_field; | |
3437 | ||
3438 | copy_entry = g_new0(struct structure_field, 1); | |
3439 | if (!copy_entry) { | |
3440 | goto error; | |
3441 | } | |
3442 | ||
3443 | entry = g_ptr_array_index(structure->fields, i); | |
3444 | copy_field = bt_ctf_field_type_copy(entry->type); | |
3445 | if (!copy_field) { | |
3446 | g_free(copy_entry); | |
3447 | goto error; | |
3448 | } | |
3449 | ||
3450 | copy_entry->name = entry->name; | |
3451 | copy_entry->type = copy_field; | |
3452 | g_ptr_array_add(copy_structure->fields, copy_entry); | |
3453 | } | |
3454 | ||
3455 | copy_structure->declaration = structure->declaration; | |
3456 | end: | |
3457 | return copy; | |
3458 | error: | |
3459 | BT_PUT(copy); | |
3460 | return copy; | |
3461 | } | |
3462 | ||
3463 | static | |
3464 | struct bt_ctf_field_type *bt_ctf_field_type_variant_copy( | |
3465 | struct bt_ctf_field_type *type) | |
3466 | { | |
3467 | int i; | |
3468 | GHashTableIter iter; | |
3469 | gpointer key, value; | |
3470 | struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL; | |
3471 | struct bt_ctf_field_type_variant *variant, *copy_variant; | |
3472 | ||
3473 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
3474 | parent); | |
3475 | if (variant->tag) { | |
3476 | copy_tag = bt_ctf_field_type_copy(&variant->tag->parent); | |
3477 | if (!copy_tag) { | |
3478 | goto end; | |
3479 | } | |
3480 | } | |
3481 | ||
3482 | copy = bt_ctf_field_type_variant_create(copy_tag, | |
3483 | variant->tag_name->len ? variant->tag_name->str : NULL); | |
3484 | if (!copy) { | |
3485 | goto end; | |
3486 | } | |
3487 | ||
3488 | copy_variant = container_of(copy, struct bt_ctf_field_type_variant, | |
3489 | parent); | |
3490 | ||
3491 | /* Copy field_name_to_index */ | |
3492 | g_hash_table_iter_init(&iter, variant->field_name_to_index); | |
3493 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
3494 | g_hash_table_insert(copy_variant->field_name_to_index, | |
3495 | key, value); | |
3496 | } | |
3497 | ||
3498 | for (i = 0; i < variant->fields->len; i++) { | |
3499 | struct structure_field *entry, *copy_entry; | |
3500 | struct bt_ctf_field_type *copy_field; | |
3501 | ||
3502 | copy_entry = g_new0(struct structure_field, 1); | |
3503 | if (!copy_entry) { | |
3504 | goto error; | |
3505 | } | |
3506 | ||
3507 | entry = g_ptr_array_index(variant->fields, i); | |
3508 | copy_field = bt_ctf_field_type_copy(entry->type); | |
3509 | if (!copy_field) { | |
3510 | g_free(copy_entry); | |
3511 | goto error; | |
3512 | } | |
3513 | ||
3514 | copy_entry->name = entry->name; | |
3515 | copy_entry->type = copy_field; | |
3516 | g_ptr_array_add(copy_variant->fields, copy_entry); | |
3517 | } | |
3518 | ||
3519 | copy_variant->declaration = variant->declaration; | |
3520 | if (variant->tag_field_path) { | |
3521 | copy_variant->tag_field_path = bt_ctf_field_path_copy( | |
3522 | variant->tag_field_path); | |
3523 | if (!copy_variant->tag_field_path) { | |
3524 | goto error; | |
3525 | } | |
3526 | } | |
3527 | end: | |
3528 | bt_put(copy_tag); | |
3529 | return copy; | |
3530 | error: | |
3531 | bt_put(copy_tag); | |
3532 | BT_PUT(copy); | |
3533 | return copy; | |
3534 | } | |
3535 | ||
3536 | static | |
3537 | struct bt_ctf_field_type *bt_ctf_field_type_array_copy( | |
3538 | struct bt_ctf_field_type *type) | |
3539 | { | |
3540 | struct bt_ctf_field_type *copy = NULL, *copy_element; | |
3541 | struct bt_ctf_field_type_array *array, *copy_array; | |
3542 | ||
3543 | array = container_of(type, struct bt_ctf_field_type_array, | |
3544 | parent); | |
3545 | copy_element = bt_ctf_field_type_copy(array->element_type); | |
3546 | if (!copy_element) { | |
3547 | goto end; | |
3548 | } | |
3549 | ||
3550 | copy = bt_ctf_field_type_array_create(copy_element, array->length); | |
3551 | if (!copy) { | |
3552 | goto end; | |
3553 | } | |
3554 | ||
3555 | copy_array = container_of(copy, struct bt_ctf_field_type_array, | |
3556 | parent); | |
3557 | copy_array->declaration = array->declaration; | |
3558 | end: | |
3559 | bt_put(copy_element); | |
3560 | return copy; | |
3561 | } | |
3562 | ||
3563 | static | |
3564 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy( | |
3565 | struct bt_ctf_field_type *type) | |
3566 | { | |
3567 | struct bt_ctf_field_type *copy = NULL, *copy_element; | |
3568 | struct bt_ctf_field_type_sequence *sequence, *copy_sequence; | |
3569 | ||
3570 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
3571 | parent); | |
3572 | copy_element = bt_ctf_field_type_copy(sequence->element_type); | |
3573 | if (!copy_element) { | |
3574 | goto end; | |
3575 | } | |
3576 | ||
3577 | copy = bt_ctf_field_type_sequence_create(copy_element, | |
3578 | sequence->length_field_name->len ? | |
3579 | sequence->length_field_name->str : NULL); | |
3580 | if (!copy) { | |
3581 | goto end; | |
3582 | } | |
3583 | ||
3584 | copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence, | |
3585 | parent); | |
3586 | copy_sequence->declaration = sequence->declaration; | |
3587 | if (sequence->length_field_path) { | |
3588 | copy_sequence->length_field_path = bt_ctf_field_path_copy( | |
3589 | sequence->length_field_path); | |
3590 | if (!copy_sequence->length_field_path) { | |
3591 | goto error; | |
3592 | } | |
3593 | } | |
3594 | end: | |
3595 | bt_put(copy_element); | |
3596 | return copy; | |
3597 | error: | |
3598 | BT_PUT(copy); | |
3599 | goto end; | |
3600 | } | |
3601 | ||
3602 | static | |
3603 | struct bt_ctf_field_type *bt_ctf_field_type_string_copy( | |
3604 | struct bt_ctf_field_type *type) | |
3605 | { | |
3606 | struct bt_ctf_field_type *copy; | |
3607 | struct bt_ctf_field_type_string *string, *copy_string; | |
3608 | ||
3609 | copy = bt_ctf_field_type_string_create(); | |
3610 | if (!copy) { | |
3611 | goto end; | |
3612 | } | |
3613 | ||
3614 | string = container_of(type, struct bt_ctf_field_type_string, | |
3615 | parent); | |
3616 | copy_string = container_of(type, struct bt_ctf_field_type_string, | |
3617 | parent); | |
3618 | copy_string->declaration = string->declaration; | |
3619 | end: | |
3620 | return copy; | |
3621 | } | |
3622 | ||
3623 | static | |
3624 | int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *type_a, | |
3625 | struct bt_ctf_field_type *type_b) | |
3626 | { | |
3627 | int ret = 1; | |
3628 | struct bt_ctf_field_type_integer *integer_a; | |
3629 | struct bt_ctf_field_type_integer *integer_b; | |
3630 | struct declaration_integer *decl_a; | |
3631 | struct declaration_integer *decl_b; | |
3632 | ||
3633 | integer_a = container_of(type_a, struct bt_ctf_field_type_integer, | |
3634 | parent); | |
3635 | integer_b = container_of(type_b, struct bt_ctf_field_type_integer, | |
3636 | parent); | |
3637 | decl_a = &integer_a->declaration; | |
3638 | decl_b = &integer_b->declaration; | |
3639 | ||
3640 | /* Length */ | |
3641 | if (decl_a->len != decl_b->len) { | |
3642 | goto end; | |
3643 | } | |
3644 | ||
3645 | /* | |
3646 | * Compare user byte orders only, not the cached, | |
3647 | * real byte orders. | |
3648 | */ | |
3649 | if (integer_a->user_byte_order != integer_b->user_byte_order) { | |
3650 | goto end; | |
3651 | } | |
3652 | ||
3653 | /* Signedness */ | |
3654 | if (decl_a->signedness != decl_b->signedness) { | |
3655 | goto end; | |
3656 | } | |
3657 | ||
3658 | /* Base */ | |
3659 | if (decl_a->base != decl_b->base) { | |
3660 | goto end; | |
3661 | } | |
3662 | ||
3663 | /* Encoding */ | |
3664 | if (decl_a->encoding != decl_b->encoding) { | |
3665 | goto end; | |
3666 | } | |
3667 | ||
3668 | /* Mapped clock */ | |
3669 | if (integer_a->mapped_clock != integer_b->mapped_clock) { | |
3670 | goto end; | |
3671 | } | |
3672 | ||
3673 | /* Equal */ | |
3674 | ret = 0; | |
3675 | ||
3676 | end: | |
3677 | return ret; | |
3678 | } | |
3679 | ||
3680 | static | |
3681 | int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *type_a, | |
3682 | struct bt_ctf_field_type *type_b) | |
3683 | { | |
3684 | int ret = 1; | |
3685 | struct bt_ctf_field_type_floating_point *float_a; | |
3686 | struct bt_ctf_field_type_floating_point *float_b; | |
3687 | ||
3688 | float_a = container_of(type_a, | |
3689 | struct bt_ctf_field_type_floating_point, parent); | |
3690 | float_b = container_of(type_b, | |
3691 | struct bt_ctf_field_type_floating_point, parent); | |
3692 | ||
3693 | /* Sign length */ | |
3694 | if (float_a->sign.len != float_b->sign.len) { | |
3695 | goto end; | |
3696 | } | |
3697 | ||
3698 | /* Exponent length */ | |
3699 | if (float_a->exp.len != float_b->exp.len) { | |
3700 | goto end; | |
3701 | } | |
3702 | ||
3703 | /* Mantissa length */ | |
3704 | if (float_a->mantissa.len != float_b->mantissa.len) { | |
3705 | goto end; | |
3706 | } | |
3707 | ||
3708 | /* | |
3709 | * Compare user byte orders only, not the cached, | |
3710 | * real byte orders. | |
3711 | */ | |
3712 | if (float_a->user_byte_order != float_b->user_byte_order) { | |
3713 | goto end; | |
3714 | } | |
3715 | ||
3716 | /* Equal */ | |
3717 | ret = 0; | |
3718 | ||
3719 | end: | |
3720 | return ret; | |
3721 | } | |
3722 | ||
3723 | static | |
3724 | int compare_enumeration_mappings(struct enumeration_mapping *mapping_a, | |
3725 | struct enumeration_mapping *mapping_b) | |
3726 | { | |
3727 | int ret = 1; | |
3728 | ||
3729 | /* Label */ | |
3730 | if (mapping_a->string != mapping_b->string) { | |
3731 | goto end; | |
3732 | } | |
3733 | ||
3734 | /* Range start */ | |
3735 | if (mapping_a->range_start._unsigned != | |
3736 | mapping_b->range_start._unsigned) { | |
3737 | goto end; | |
3738 | } | |
3739 | ||
3740 | /* Range end */ | |
3741 | if (mapping_a->range_end._unsigned != | |
3742 | mapping_b->range_end._unsigned) { | |
3743 | goto end; | |
3744 | } | |
3745 | ||
3746 | /* Equal */ | |
3747 | ret = 0; | |
3748 | ||
3749 | end: | |
3750 | return ret; | |
3751 | } | |
3752 | ||
3753 | static | |
3754 | int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *type_a, | |
3755 | struct bt_ctf_field_type *type_b) | |
3756 | { | |
3757 | int ret = 1; | |
3758 | int i; | |
3759 | struct bt_ctf_field_type_enumeration *enum_a; | |
3760 | struct bt_ctf_field_type_enumeration *enum_b; | |
3761 | ||
3762 | enum_a = container_of(type_a, | |
3763 | struct bt_ctf_field_type_enumeration, parent); | |
3764 | enum_b = container_of(type_b, | |
3765 | struct bt_ctf_field_type_enumeration, parent); | |
3766 | ||
3767 | /* Container field type */ | |
3768 | ret = bt_ctf_field_type_compare(enum_a->container, enum_b->container); | |
3769 | if (ret) { | |
3770 | goto end; | |
3771 | } | |
3772 | ||
3773 | ret = 1; | |
3774 | ||
3775 | /* Entries */ | |
3776 | if (enum_a->entries->len != enum_b->entries->len) { | |
3777 | goto end; | |
3778 | } | |
3779 | ||
3780 | for (i = 0; i < enum_a->entries->len; ++i) { | |
3781 | struct enumeration_mapping *mapping_a = | |
3782 | g_ptr_array_index(enum_a->entries, i); | |
3783 | struct enumeration_mapping *mapping_b = | |
3784 | g_ptr_array_index(enum_b->entries, i); | |
3785 | ||
3786 | if (compare_enumeration_mappings(mapping_a, mapping_b)) { | |
3787 | goto end; | |
3788 | } | |
3789 | } | |
3790 | ||
3791 | /* Equal */ | |
3792 | ret = 0; | |
3793 | ||
3794 | end: | |
3795 | return ret; | |
3796 | } | |
3797 | ||
3798 | static | |
3799 | int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *type_a, | |
3800 | struct bt_ctf_field_type *type_b) | |
3801 | { | |
3802 | int ret = 1; | |
3803 | struct bt_ctf_field_type_string *string_a; | |
3804 | struct bt_ctf_field_type_string *string_b; | |
3805 | ||
3806 | string_a = container_of(type_a, | |
3807 | struct bt_ctf_field_type_string, parent); | |
3808 | string_b = container_of(type_b, | |
3809 | struct bt_ctf_field_type_string, parent); | |
3810 | ||
3811 | /* Encoding */ | |
3812 | if (string_a->declaration.encoding != string_b->declaration.encoding) { | |
3813 | goto end; | |
3814 | } | |
3815 | ||
3816 | /* Equal */ | |
3817 | ret = 0; | |
3818 | ||
3819 | end: | |
3820 | return ret; | |
3821 | } | |
3822 | ||
3823 | static | |
3824 | int compare_structure_fields(struct structure_field *field_a, | |
3825 | struct structure_field *field_b) | |
3826 | { | |
3827 | int ret = 1; | |
3828 | ||
3829 | /* Label */ | |
3830 | if (field_a->name != field_b->name) { | |
3831 | goto end; | |
3832 | } | |
3833 | ||
3834 | /* Type */ | |
3835 | ret = bt_ctf_field_type_compare(field_a->type, field_b->type); | |
3836 | ||
3837 | end: | |
3838 | return ret; | |
3839 | } | |
3840 | ||
3841 | static | |
3842 | int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *type_a, | |
3843 | struct bt_ctf_field_type *type_b) | |
3844 | { | |
3845 | int ret = 1; | |
3846 | int i; | |
3847 | struct bt_ctf_field_type_structure *struct_a; | |
3848 | struct bt_ctf_field_type_structure *struct_b; | |
3849 | ||
3850 | struct_a = container_of(type_a, | |
3851 | struct bt_ctf_field_type_structure, parent); | |
3852 | struct_b = container_of(type_b, | |
3853 | struct bt_ctf_field_type_structure, parent); | |
3854 | ||
3855 | /* Alignment */ | |
3856 | if (bt_ctf_field_type_get_alignment(type_a) != | |
3857 | bt_ctf_field_type_get_alignment(type_b)) { | |
3858 | goto end; | |
3859 | } | |
3860 | ||
3861 | /* Fields */ | |
3862 | if (struct_a->fields->len != struct_b->fields->len) { | |
3863 | goto end; | |
3864 | } | |
3865 | ||
3866 | for (i = 0; i < struct_a->fields->len; ++i) { | |
3867 | struct structure_field *field_a = | |
3868 | g_ptr_array_index(struct_a->fields, i); | |
3869 | struct structure_field *field_b = | |
3870 | g_ptr_array_index(struct_b->fields, i); | |
3871 | ||
3872 | ret = compare_structure_fields(field_a, field_b); | |
3873 | if (ret) { | |
3874 | goto end; | |
3875 | } | |
3876 | } | |
3877 | ||
3878 | /* Equal */ | |
3879 | ret = 0; | |
3880 | ||
3881 | end: | |
3882 | return ret; | |
3883 | } | |
3884 | ||
3885 | static | |
3886 | int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *type_a, | |
3887 | struct bt_ctf_field_type *type_b) | |
3888 | { | |
3889 | int ret = 1; | |
3890 | int i; | |
3891 | struct bt_ctf_field_type_variant *variant_a; | |
3892 | struct bt_ctf_field_type_variant *variant_b; | |
3893 | ||
3894 | variant_a = container_of(type_a, | |
3895 | struct bt_ctf_field_type_variant, parent); | |
3896 | variant_b = container_of(type_b, | |
3897 | struct bt_ctf_field_type_variant, parent); | |
3898 | ||
3899 | /* Tag name */ | |
3900 | if (strcmp(variant_a->tag_name->str, variant_b->tag_name->str)) { | |
3901 | goto end; | |
3902 | } | |
3903 | ||
3904 | /* Tag type */ | |
3905 | ret = bt_ctf_field_type_compare( | |
3906 | (struct bt_ctf_field_type *) variant_a->tag, | |
3907 | (struct bt_ctf_field_type *) variant_b->tag); | |
3908 | if (ret) { | |
3909 | goto end; | |
3910 | } | |
3911 | ||
3912 | ret = 1; | |
3913 | ||
3914 | /* Fields */ | |
3915 | if (variant_a->fields->len != variant_b->fields->len) { | |
3916 | goto end; | |
3917 | } | |
3918 | ||
3919 | for (i = 0; i < variant_a->fields->len; ++i) { | |
3920 | struct structure_field *field_a = | |
3921 | g_ptr_array_index(variant_a->fields, i); | |
3922 | struct structure_field *field_b = | |
3923 | g_ptr_array_index(variant_b->fields, i); | |
3924 | ||
3925 | ret = compare_structure_fields(field_a, field_b); | |
3926 | if (ret) { | |
3927 | goto end; | |
3928 | } | |
3929 | } | |
3930 | ||
3931 | /* Equal */ | |
3932 | ret = 0; | |
3933 | ||
3934 | end: | |
3935 | return ret; | |
3936 | } | |
3937 | ||
3938 | static | |
3939 | int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *type_a, | |
3940 | struct bt_ctf_field_type *type_b) | |
3941 | { | |
3942 | int ret = 1; | |
3943 | struct bt_ctf_field_type_array *array_a; | |
3944 | struct bt_ctf_field_type_array *array_b; | |
3945 | ||
3946 | array_a = container_of(type_a, | |
3947 | struct bt_ctf_field_type_array, parent); | |
3948 | array_b = container_of(type_b, | |
3949 | struct bt_ctf_field_type_array, parent); | |
3950 | ||
3951 | /* Length */ | |
3952 | if (array_a->length != array_b->length) { | |
3953 | goto end; | |
3954 | } | |
3955 | ||
3956 | /* Element type */ | |
3957 | ret = bt_ctf_field_type_compare(array_a->element_type, | |
3958 | array_b->element_type); | |
3959 | ||
3960 | end: | |
3961 | return ret; | |
3962 | } | |
3963 | ||
3964 | static | |
3965 | int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *type_a, | |
3966 | struct bt_ctf_field_type *type_b) | |
3967 | { | |
3968 | int ret = -1; | |
3969 | struct bt_ctf_field_type_sequence *sequence_a; | |
3970 | struct bt_ctf_field_type_sequence *sequence_b; | |
3971 | ||
3972 | sequence_a = container_of(type_a, | |
3973 | struct bt_ctf_field_type_sequence, parent); | |
3974 | sequence_b = container_of(type_b, | |
3975 | struct bt_ctf_field_type_sequence, parent); | |
3976 | ||
3977 | /* Length name */ | |
3978 | if (strcmp(sequence_a->length_field_name->str, | |
3979 | sequence_b->length_field_name->str)) { | |
3980 | goto end; | |
3981 | } | |
3982 | ||
3983 | /* Element type */ | |
3984 | ret = bt_ctf_field_type_compare(sequence_a->element_type, | |
3985 | sequence_b->element_type); | |
3986 | ||
3987 | end: | |
3988 | return ret; | |
3989 | } | |
3990 | ||
3991 | int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a, | |
3992 | struct bt_ctf_field_type *type_b) | |
3993 | { | |
3994 | int ret = 1; | |
3995 | ||
3996 | if (type_a == type_b) { | |
3997 | /* Same reference: equal (even if both are NULL) */ | |
3998 | ret = 0; | |
3999 | goto end; | |
4000 | } | |
4001 | ||
4002 | if (!type_a || !type_b) { | |
4003 | ret = -1; | |
4004 | goto end; | |
4005 | } | |
4006 | ||
4007 | if (type_a->declaration->id != type_b->declaration->id) { | |
4008 | /* Different type IDs */ | |
4009 | goto end; | |
4010 | } | |
4011 | ||
4012 | if (type_a->declaration->id == BT_CTF_TYPE_ID_UNKNOWN) { | |
4013 | /* Both have unknown type IDs */ | |
4014 | goto end; | |
4015 | } | |
4016 | ||
4017 | ret = type_compare_funcs[type_a->declaration->id](type_a, type_b); | |
4018 | ||
4019 | end: | |
4020 | return ret; | |
4021 | } | |
4022 | ||
4023 | BT_HIDDEN | |
4024 | int bt_ctf_field_type_get_field_count(struct bt_ctf_field_type *field_type) | |
4025 | { | |
4026 | int field_count = -1; | |
4027 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4028 | ||
4029 | switch (type_id) { | |
4030 | case CTF_TYPE_STRUCT: | |
4031 | field_count = | |
4032 | bt_ctf_field_type_structure_get_field_count(field_type); | |
4033 | break; | |
4034 | case CTF_TYPE_VARIANT: | |
4035 | field_count = | |
4036 | bt_ctf_field_type_variant_get_field_count(field_type); | |
4037 | break; | |
4038 | case CTF_TYPE_ARRAY: | |
4039 | case CTF_TYPE_SEQUENCE: | |
4040 | /* | |
4041 | * Array and sequence types always contain a single member | |
4042 | * (the element type). | |
4043 | */ | |
4044 | field_count = 1; | |
4045 | break; | |
4046 | default: | |
4047 | break; | |
4048 | } | |
4049 | ||
4050 | return field_count; | |
4051 | } | |
4052 | ||
4053 | BT_HIDDEN | |
4054 | struct bt_ctf_field_type *bt_ctf_field_type_get_field_at_index( | |
4055 | struct bt_ctf_field_type *field_type, int index) | |
4056 | { | |
4057 | struct bt_ctf_field_type *field = NULL; | |
4058 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4059 | ||
4060 | switch (type_id) { | |
4061 | case CTF_TYPE_STRUCT: | |
4062 | bt_ctf_field_type_structure_get_field(field_type, NULL, &field, | |
4063 | index); | |
4064 | break; | |
4065 | case CTF_TYPE_VARIANT: | |
4066 | { | |
4067 | int ret = bt_ctf_field_type_variant_get_field(field_type, NULL, | |
4068 | &field, index); | |
4069 | if (ret) { | |
4070 | field = NULL; | |
4071 | goto end; | |
4072 | } | |
4073 | break; | |
4074 | } | |
4075 | case CTF_TYPE_ARRAY: | |
4076 | field = bt_ctf_field_type_array_get_element_type(field_type); | |
4077 | break; | |
4078 | case CTF_TYPE_SEQUENCE: | |
4079 | field = bt_ctf_field_type_sequence_get_element_type(field_type); | |
4080 | break; | |
4081 | default: | |
4082 | break; | |
4083 | } | |
4084 | end: | |
4085 | return field; | |
4086 | } | |
4087 | ||
4088 | BT_HIDDEN | |
4089 | int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type *field_type, | |
4090 | const char *name) | |
4091 | { | |
4092 | int field_index = -1; | |
4093 | enum ctf_type_id type_id = bt_ctf_field_type_get_type_id(field_type); | |
4094 | ||
4095 | switch (type_id) { | |
4096 | case CTF_TYPE_STRUCT: | |
4097 | field_index = bt_ctf_field_type_structure_get_field_name_index( | |
4098 | field_type, name); | |
4099 | break; | |
4100 | case CTF_TYPE_VARIANT: | |
4101 | field_index = bt_ctf_field_type_variant_get_field_name_index( | |
4102 | field_type, name); | |
4103 | break; | |
4104 | default: | |
4105 | break; | |
4106 | } | |
4107 | ||
4108 | return field_index; | |
4109 | } | |
4110 | ||
4111 | struct bt_ctf_field_path *bt_ctf_field_type_variant_get_tag_field_path( | |
4112 | struct bt_ctf_field_type *type) | |
4113 | { | |
4114 | struct bt_ctf_field_path *field_path = NULL; | |
4115 | struct bt_ctf_field_type_variant *variant; | |
4116 | ||
4117 | if (!type || !bt_ctf_field_type_is_variant(type)) { | |
4118 | goto end; | |
4119 | } | |
4120 | ||
4121 | variant = container_of(type, struct bt_ctf_field_type_variant, | |
4122 | parent); | |
4123 | field_path = bt_get(variant->tag_field_path); | |
4124 | end: | |
4125 | return field_path; | |
4126 | } | |
4127 | ||
4128 | struct bt_ctf_field_path *bt_ctf_field_type_sequence_get_length_field_path( | |
4129 | struct bt_ctf_field_type *type) | |
4130 | { | |
4131 | struct bt_ctf_field_path *field_path = NULL; | |
4132 | struct bt_ctf_field_type_sequence *sequence; | |
4133 | ||
4134 | if (!type || !bt_ctf_field_type_is_sequence(type)) { | |
4135 | goto end; | |
4136 | } | |
4137 | ||
4138 | sequence = container_of(type, struct bt_ctf_field_type_sequence, | |
4139 | parent); | |
4140 | field_path = bt_get(sequence->length_field_path); | |
4141 | end: | |
4142 | return field_path; | |
4143 | } |