Commit | Line | Data |
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05628561 MD |
1 | /* |
2 | * ctf-visitor-generate-io-struct.c | |
3 | * | |
4 | * Common Trace Format Metadata Visitor (generate I/O structures). | |
5 | * | |
6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | #include <string.h> | |
22 | #include <stdlib.h> | |
23 | #include <assert.h> | |
24 | #include <glib.h> | |
25 | #include <inttypes.h> | |
add40b62 | 26 | #include <endian.h> |
05628561 | 27 | #include <errno.h> |
70bd0a12 | 28 | #include <babeltrace/babeltrace-internal.h> |
05628561 | 29 | #include <babeltrace/list.h> |
a0720417 MD |
30 | #include <babeltrace/types.h> |
31 | #include <babeltrace/ctf/metadata.h> | |
41253107 | 32 | #include <uuid/uuid.h> |
05628561 MD |
33 | #include "ctf-scanner.h" |
34 | #include "ctf-parser.h" | |
35 | #include "ctf-ast.h" | |
36 | ||
37 | #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args) | |
38 | ||
de47353a MD |
39 | #define _cds_list_first_entry(ptr, type, member) \ |
40 | cds_list_entry((ptr)->next, type, member) | |
05628561 | 41 | |
a3cca9e9 | 42 | static |
78af2bcd MD |
43 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
44 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
45 | struct declaration_scope *declaration_scope, |
46 | struct ctf_trace *trace); | |
a3cca9e9 | 47 | |
33105c61 MD |
48 | static |
49 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
50 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace); | |
51 | ||
05628561 | 52 | /* |
41253107 | 53 | * String returned must be freed by the caller using g_free. |
05628561 MD |
54 | */ |
55 | static | |
add40b62 | 56 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 57 | { |
41253107 MD |
58 | struct ctf_node *node; |
59 | GString *str; | |
60 | int i = 0; | |
61 | ||
a0720417 | 62 | str = g_string_new(""); |
41253107 MD |
63 | cds_list_for_each_entry(node, head, siblings) { |
64 | char *src_string; | |
65 | ||
66 | assert(node->type == NODE_UNARY_EXPRESSION); | |
67 | assert(node->u.unary_expression.type == UNARY_STRING); | |
68 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 69 | ^ (i != 0)); |
41253107 MD |
70 | switch (node->u.unary_expression.link) { |
71 | case UNARY_DOTLINK: | |
a0720417 | 72 | g_string_append(str, "."); |
41253107 MD |
73 | break; |
74 | case UNARY_ARROWLINK: | |
a0720417 | 75 | g_string_append(str, "->"); |
41253107 MD |
76 | break; |
77 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
78 | g_string_append(str, "..."); |
79 | break; | |
80 | default: | |
41253107 MD |
81 | break; |
82 | } | |
a0720417 | 83 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
84 | g_string_append(str, src_string); |
85 | i++; | |
86 | } | |
87 | return g_string_free(str, FALSE); | |
05628561 MD |
88 | } |
89 | ||
56e60373 MD |
90 | static |
91 | GQuark get_map_clock_name_value(struct cds_list_head *head) | |
92 | { | |
93 | struct ctf_node *node; | |
94 | const char *name = NULL; | |
95 | int i = 0; | |
96 | ||
97 | cds_list_for_each_entry(node, head, siblings) { | |
98 | char *src_string; | |
99 | ||
100 | assert(node->type == NODE_UNARY_EXPRESSION); | |
101 | assert(node->u.unary_expression.type == UNARY_STRING); | |
102 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
103 | ^ (i != 0)); | |
104 | /* needs to be chained with . */ | |
105 | switch (node->u.unary_expression.link) { | |
106 | case UNARY_DOTLINK: | |
107 | break; | |
108 | case UNARY_ARROWLINK: | |
109 | case UNARY_DOTDOTDOT: | |
110 | return 0; | |
111 | default: | |
112 | break; | |
113 | } | |
114 | src_string = node->u.unary_expression.u.string; | |
115 | switch (i) { | |
116 | case 0: if (strcmp("clock", src_string) != 0) { | |
117 | return 0; | |
118 | } | |
119 | break; | |
120 | case 1: name = src_string; | |
121 | break; | |
122 | case 2: if (strcmp("value", src_string) != 0) { | |
123 | return 0; | |
124 | } | |
125 | break; | |
126 | default: | |
127 | return 0; /* extra identifier, unknown */ | |
128 | } | |
129 | i++; | |
130 | } | |
131 | return g_quark_from_string(name); | |
132 | } | |
133 | ||
05628561 | 134 | static |
add40b62 | 135 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 136 | { |
41253107 MD |
137 | struct ctf_node *node; |
138 | int i = 0; | |
139 | ||
140 | cds_list_for_each_entry(node, head, siblings) { | |
141 | assert(node->type == NODE_UNARY_EXPRESSION); | |
142 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
143 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
144 | assert(i == 0); | |
a0720417 | 145 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
146 | i++; |
147 | } | |
148 | return 0; | |
05628561 MD |
149 | } |
150 | ||
d86d62f8 MD |
151 | static |
152 | int get_unary_signed(struct cds_list_head *head, int64_t *value) | |
153 | { | |
154 | struct ctf_node *node; | |
155 | int i = 0; | |
156 | ||
157 | cds_list_for_each_entry(node, head, siblings) { | |
158 | assert(node->type == NODE_UNARY_EXPRESSION); | |
209209be MD |
159 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT |
160 | || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT); | |
d86d62f8 MD |
161 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); |
162 | assert(i == 0); | |
209209be MD |
163 | switch (node->u.unary_expression.type) { |
164 | case UNARY_UNSIGNED_CONSTANT: | |
165 | *value = (int64_t) node->u.unary_expression.u.unsigned_constant; | |
166 | break; | |
167 | case UNARY_SIGNED_CONSTANT: | |
168 | *value = node->u.unary_expression.u.signed_constant; | |
169 | break; | |
170 | default: | |
171 | assert(0); | |
172 | } | |
d86d62f8 MD |
173 | i++; |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
05628561 | 178 | static |
add40b62 | 179 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 180 | { |
41253107 MD |
181 | struct ctf_node *node; |
182 | int i = 0; | |
183 | int ret = -1; | |
184 | ||
185 | cds_list_for_each_entry(node, head, siblings) { | |
186 | const char *src_string; | |
187 | ||
188 | assert(node->type == NODE_UNARY_EXPRESSION); | |
189 | assert(node->u.unary_expression.type == UNARY_STRING); | |
190 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
191 | assert(i == 0); | |
a0720417 | 192 | src_string = node->u.unary_expression.u.string; |
5c551b40 | 193 | ret = uuid_parse(src_string, *uuid); |
41253107 MD |
194 | } |
195 | return ret; | |
05628561 MD |
196 | } |
197 | ||
198 | static | |
aa6bffae | 199 | struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) |
05628561 MD |
200 | { |
201 | if (trace->streams->len <= stream_id) | |
202 | return NULL; | |
203 | return g_ptr_array_index(trace->streams, stream_id); | |
204 | } | |
205 | ||
56e60373 MD |
206 | static |
207 | struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name) | |
208 | { | |
209 | return g_hash_table_lookup(trace->clocks, (gpointer) (unsigned long) clock_name); | |
210 | } | |
211 | ||
add40b62 | 212 | static |
78af2bcd MD |
213 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
214 | { | |
215 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
216 | ||
217 | switch (type_specifier->u.type_specifier.type) { | |
218 | case TYPESPEC_VOID: | |
219 | g_string_append(str, "void"); | |
220 | break; | |
221 | case TYPESPEC_CHAR: | |
222 | g_string_append(str, "char"); | |
223 | break; | |
224 | case TYPESPEC_SHORT: | |
225 | g_string_append(str, "short"); | |
226 | break; | |
227 | case TYPESPEC_INT: | |
228 | g_string_append(str, "int"); | |
229 | break; | |
230 | case TYPESPEC_LONG: | |
231 | g_string_append(str, "long"); | |
232 | break; | |
233 | case TYPESPEC_FLOAT: | |
234 | g_string_append(str, "float"); | |
235 | break; | |
236 | case TYPESPEC_DOUBLE: | |
237 | g_string_append(str, "double"); | |
238 | break; | |
239 | case TYPESPEC_SIGNED: | |
240 | g_string_append(str, "signed"); | |
241 | break; | |
242 | case TYPESPEC_UNSIGNED: | |
243 | g_string_append(str, "unsigned"); | |
244 | break; | |
245 | case TYPESPEC_BOOL: | |
246 | g_string_append(str, "bool"); | |
247 | break; | |
248 | case TYPESPEC_COMPLEX: | |
249 | g_string_append(str, "_Complex"); | |
250 | break; | |
251 | case TYPESPEC_IMAGINARY: | |
252 | g_string_append(str, "_Imaginary"); | |
253 | break; | |
254 | case TYPESPEC_CONST: | |
255 | g_string_append(str, "const"); | |
256 | break; | |
257 | case TYPESPEC_ID_TYPE: | |
258 | if (type_specifier->u.type_specifier.id_type) | |
259 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
260 | break; | |
261 | case TYPESPEC_STRUCT: | |
262 | { | |
263 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
264 | ||
265 | if (!node->u._struct.name) { | |
266 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
267 | return -EINVAL; | |
268 | } | |
269 | g_string_append(str, "struct "); | |
270 | g_string_append(str, node->u._struct.name); | |
271 | break; | |
272 | } | |
273 | case TYPESPEC_VARIANT: | |
274 | { | |
275 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
276 | ||
277 | if (!node->u.variant.name) { | |
278 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
279 | return -EINVAL; | |
280 | } | |
281 | g_string_append(str, "variant "); | |
282 | g_string_append(str, node->u.variant.name); | |
283 | break; | |
284 | } | |
285 | case TYPESPEC_ENUM: | |
286 | { | |
287 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
288 | ||
289 | if (!node->u._enum.enum_id) { | |
290 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
291 | return -EINVAL; | |
292 | } | |
293 | g_string_append(str, "enum "); | |
294 | g_string_append(str, node->u._enum.enum_id); | |
295 | break; | |
296 | } | |
297 | case TYPESPEC_FLOATING_POINT: | |
298 | case TYPESPEC_INTEGER: | |
299 | case TYPESPEC_STRING: | |
300 | default: | |
301 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
302 | return -EINVAL; | |
303 | } | |
304 | return 0; | |
305 | } | |
306 | ||
307 | static | |
308 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
309 | { |
310 | struct ctf_node *iter; | |
311 | int alias_item_nr = 0; | |
78af2bcd | 312 | int ret; |
add40b62 | 313 | |
78af2bcd | 314 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
315 | if (alias_item_nr != 0) |
316 | g_string_append(str, " "); | |
317 | alias_item_nr++; | |
78af2bcd MD |
318 | ret = visit_type_specifier(fd, iter, str); |
319 | if (ret) | |
320 | return ret; | |
add40b62 MD |
321 | } |
322 | return 0; | |
add40b62 MD |
323 | } |
324 | ||
325 | static | |
8fdba45b | 326 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 327 | struct ctf_node *type_specifier_list, |
add40b62 MD |
328 | struct ctf_node *node_type_declarator) |
329 | { | |
a0720417 | 330 | struct ctf_node *iter; |
add40b62 | 331 | GString *str; |
a0720417 | 332 | char *str_c; |
add40b62 MD |
333 | GQuark alias_q; |
334 | int ret; | |
335 | ||
a0720417 | 336 | str = g_string_new(""); |
78af2bcd | 337 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
338 | if (ret) { |
339 | g_string_free(str, TRUE); | |
340 | return 0; | |
341 | } | |
342 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
343 | g_string_append(str, " *"); | |
344 | if (iter->u.pointer.const_qualifier) | |
345 | g_string_append(str, " const"); | |
346 | } | |
347 | str_c = g_string_free(str, FALSE); | |
348 | alias_q = g_quark_from_string(str_c); | |
349 | g_free(str_c); | |
350 | return alias_q; | |
351 | } | |
352 | ||
a3cca9e9 | 353 | static |
8fdba45b | 354 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 355 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
356 | GQuark *field_name, |
357 | struct ctf_node *node_type_declarator, | |
add40b62 | 358 | struct declaration_scope *declaration_scope, |
e397791f MD |
359 | struct declaration *nested_declaration, |
360 | struct ctf_trace *trace) | |
a3cca9e9 MD |
361 | { |
362 | /* | |
363 | * Visit type declarator by first taking care of sequence/array | |
364 | * (recursively). Then, when we get to the identifier, take care | |
365 | * of pointers. | |
366 | */ | |
367 | ||
e397791f MD |
368 | if (node_type_declarator) { |
369 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 370 | |
e397791f MD |
371 | /* TODO: gcc bitfields not supported yet. */ |
372 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 373 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
374 | return NULL; |
375 | } | |
add40b62 | 376 | } |
a3cca9e9 MD |
377 | |
378 | if (!nested_declaration) { | |
e397791f | 379 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
380 | GQuark alias_q; |
381 | ||
a3cca9e9 MD |
382 | /* |
383 | * If we have a pointer declarator, it _has_ to be present in | |
384 | * the typealiases (else fail). | |
385 | */ | |
add40b62 | 386 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 387 | type_specifier_list, node_type_declarator); |
add40b62 MD |
388 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
389 | if (!nested_declaration) { | |
78af2bcd | 390 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
391 | return NULL; |
392 | } | |
4d5fc303 MD |
393 | if (nested_declaration->id == CTF_TYPE_INTEGER) { |
394 | struct declaration_integer *integer_declaration = | |
395 | container_of(nested_declaration, struct declaration_integer, p); | |
396 | /* For base to 16 for pointers (expected pretty-print) */ | |
2527e149 MD |
397 | if (!integer_declaration->base) { |
398 | /* | |
399 | * We need to do a copy of the | |
400 | * integer declaration to modify it. There could be other references to | |
401 | * it. | |
402 | */ | |
403 | integer_declaration = integer_declaration_new(integer_declaration->len, | |
404 | integer_declaration->byte_order, integer_declaration->signedness, | |
56e60373 MD |
405 | integer_declaration->p.alignment, 16, integer_declaration->encoding, |
406 | integer_declaration->clock); | |
2527e149 MD |
407 | nested_declaration = &integer_declaration->p; |
408 | } | |
4d5fc303 | 409 | } |
a3cca9e9 | 410 | } else { |
78af2bcd MD |
411 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
412 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 413 | } |
a3cca9e9 MD |
414 | } |
415 | ||
e397791f MD |
416 | if (!node_type_declarator) |
417 | return nested_declaration; | |
418 | ||
a3cca9e9 MD |
419 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
420 | if (node_type_declarator->u.type_declarator.u.id) | |
421 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
422 | else | |
423 | *field_name = 0; | |
424 | return nested_declaration; | |
425 | } else { | |
426 | struct declaration *declaration; | |
98df1c9f | 427 | struct ctf_node *first; |
a3cca9e9 MD |
428 | |
429 | /* TYPEDEC_NESTED */ | |
430 | ||
b5bf4179 MD |
431 | if (!nested_declaration) { |
432 | fprintf(fd, "[error] %s: nested type is unknown.\n", __func__); | |
433 | return NULL; | |
434 | } | |
435 | ||
a3cca9e9 | 436 | /* create array/sequence, pass nested_declaration as child. */ |
98df1c9f MD |
437 | if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { |
438 | fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); | |
a0720417 MD |
439 | return NULL; |
440 | } | |
98df1c9f MD |
441 | first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, |
442 | struct ctf_node, siblings); | |
443 | assert(first->type == NODE_UNARY_EXPRESSION); | |
444 | ||
445 | switch (first->u.unary_expression.type) { | |
446 | case UNARY_UNSIGNED_CONSTANT: | |
a0720417 MD |
447 | { |
448 | struct declaration_array *array_declaration; | |
449 | size_t len; | |
450 | ||
98df1c9f | 451 | len = first->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
452 | array_declaration = array_declaration_new(len, nested_declaration, |
453 | declaration_scope); | |
98df1c9f MD |
454 | |
455 | if (!array_declaration) { | |
456 | fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); | |
457 | return NULL; | |
458 | } | |
a0720417 MD |
459 | declaration = &array_declaration->p; |
460 | break; | |
461 | } | |
98df1c9f | 462 | case UNARY_STRING: |
a0720417 | 463 | { |
98df1c9f MD |
464 | /* Lookup unsigned integer definition, create sequence */ |
465 | char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); | |
a0720417 | 466 | struct declaration_sequence *sequence_declaration; |
a0720417 | 467 | |
98df1c9f MD |
468 | sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); |
469 | if (!sequence_declaration) { | |
470 | fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); | |
2dd46001 MD |
471 | return NULL; |
472 | } | |
a0720417 MD |
473 | declaration = &sequence_declaration->p; |
474 | break; | |
475 | } | |
476 | default: | |
477 | assert(0); | |
a3cca9e9 MD |
478 | } |
479 | ||
480 | /* Pass it as content of outer container */ | |
481 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 482 | type_specifier_list, field_name, |
a3cca9e9 | 483 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 484 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
485 | return declaration; |
486 | } | |
487 | } | |
488 | ||
489 | static | |
8fdba45b | 490 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 491 | struct declaration_struct *struct_declaration, |
78af2bcd | 492 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 493 | struct cds_list_head *type_declarators, |
e397791f MD |
494 | struct declaration_scope *declaration_scope, |
495 | struct ctf_trace *trace) | |
a3cca9e9 MD |
496 | { |
497 | struct ctf_node *iter; | |
498 | GQuark field_name; | |
499 | ||
500 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
501 | struct declaration *field_declaration; | |
502 | ||
503 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 504 | type_specifier_list, |
a3cca9e9 MD |
505 | &field_name, iter, |
506 | struct_declaration->scope, | |
e397791f | 507 | NULL, trace); |
2dd46001 MD |
508 | if (!field_declaration) { |
509 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
510 | return -EINVAL; | |
511 | } | |
d3006d91 SM |
512 | |
513 | /* Check if field with same name already exists */ | |
514 | if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) { | |
515 | fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name)); | |
516 | return -EINVAL; | |
517 | } | |
518 | ||
a3cca9e9 MD |
519 | struct_declaration_add_field(struct_declaration, |
520 | g_quark_to_string(field_name), | |
521 | field_declaration); | |
522 | } | |
add40b62 MD |
523 | return 0; |
524 | } | |
a3cca9e9 | 525 | |
add40b62 | 526 | static |
8fdba45b | 527 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 528 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 529 | struct ctf_node *type_specifier_list, |
add40b62 | 530 | struct cds_list_head *type_declarators, |
e397791f MD |
531 | struct declaration_scope *declaration_scope, |
532 | struct ctf_trace *trace) | |
add40b62 MD |
533 | { |
534 | struct ctf_node *iter; | |
535 | GQuark field_name; | |
536 | ||
537 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
538 | struct declaration *field_declaration; | |
539 | ||
540 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 541 | type_specifier_list, |
add40b62 | 542 | &field_name, iter, |
a0720417 | 543 | untagged_variant_declaration->scope, |
e397791f | 544 | NULL, trace); |
2dd46001 MD |
545 | if (!field_declaration) { |
546 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
547 | return -EINVAL; | |
548 | } | |
43f9090c SM |
549 | |
550 | if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) { | |
551 | fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name)); | |
552 | return -EINVAL; | |
553 | } | |
554 | ||
555 | ||
a0720417 | 556 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
557 | g_quark_to_string(field_name), |
558 | field_declaration); | |
559 | } | |
a3cca9e9 MD |
560 | return 0; |
561 | } | |
562 | ||
563 | static | |
8fdba45b | 564 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 565 | struct ctf_node *type_specifier_list, |
e397791f MD |
566 | struct cds_list_head *type_declarators, |
567 | struct ctf_trace *trace) | |
a3cca9e9 MD |
568 | { |
569 | struct ctf_node *iter; | |
570 | GQuark identifier; | |
571 | ||
572 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
573 | struct declaration *type_declaration; | |
574 | int ret; | |
575 | ||
576 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 577 | type_specifier_list, |
a3cca9e9 | 578 | &identifier, iter, |
e397791f | 579 | scope, NULL, trace); |
2dd46001 MD |
580 | if (!type_declaration) { |
581 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
582 | return -EINVAL; | |
583 | } | |
584 | /* | |
585 | * Don't allow typedef and typealias of untagged | |
586 | * variants. | |
587 | */ | |
588 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
589 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
590 | declaration_unref(type_declaration); | |
591 | return -EPERM; | |
592 | } | |
a3cca9e9 MD |
593 | ret = register_declaration(identifier, type_declaration, scope); |
594 | if (ret) { | |
595 | type_declaration->declaration_free(type_declaration); | |
596 | return ret; | |
597 | } | |
598 | } | |
599 | return 0; | |
600 | } | |
601 | ||
602 | static | |
8fdba45b | 603 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
604 | struct ctf_node *target, struct ctf_node *alias, |
605 | struct ctf_trace *trace) | |
a3cca9e9 MD |
606 | { |
607 | struct declaration *type_declaration; | |
a0720417 | 608 | struct ctf_node *node; |
add40b62 | 609 | GQuark dummy_id; |
a3cca9e9 | 610 | GQuark alias_q; |
a0720417 | 611 | int err; |
a3cca9e9 MD |
612 | |
613 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
614 | ||
615 | /* | |
616 | * Create target type declaration. | |
617 | */ | |
618 | ||
427c09b7 | 619 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
620 | node = NULL; |
621 | else | |
427c09b7 | 622 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 623 | struct ctf_node, siblings); |
a3cca9e9 | 624 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 625 | target->u.typealias_target.type_specifier_list, |
a0720417 | 626 | &dummy_id, node, |
e397791f | 627 | scope, NULL, trace); |
a3cca9e9 | 628 | if (!type_declaration) { |
78af2bcd | 629 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
630 | err = -EINVAL; |
631 | goto error; | |
632 | } | |
2dd46001 MD |
633 | /* |
634 | * Don't allow typedef and typealias of untagged | |
635 | * variants. | |
636 | */ | |
637 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
638 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
639 | declaration_unref(type_declaration); | |
640 | return -EPERM; | |
641 | } | |
a3cca9e9 MD |
642 | /* |
643 | * The semantic validator does not check whether the target is | |
644 | * abstract or not (if it has an identifier). Check it here. | |
645 | */ | |
646 | if (dummy_id != 0) { | |
78af2bcd | 647 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
648 | err = -EINVAL; |
649 | goto error; | |
650 | } | |
651 | /* | |
652 | * Create alias identifier. | |
653 | */ | |
a3cca9e9 MD |
654 | |
655 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 656 | struct ctf_node, siblings); |
add40b62 | 657 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 658 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
659 | err = register_declaration(alias_q, type_declaration, scope); |
660 | if (err) | |
a3cca9e9 MD |
661 | goto error; |
662 | return 0; | |
663 | ||
664 | error: | |
230da743 SM |
665 | if (type_declaration) { |
666 | type_declaration->declaration_free(type_declaration); | |
667 | } | |
a0720417 | 668 | return err; |
a3cca9e9 MD |
669 | } |
670 | ||
671 | static | |
8fdba45b | 672 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
673 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
674 | struct ctf_trace *trace) | |
a3cca9e9 | 675 | { |
a3cca9e9 MD |
676 | int ret; |
677 | ||
678 | switch (iter->type) { | |
679 | case NODE_TYPEDEF: | |
680 | /* For each declarator, declare type and add type to struct declaration scope */ | |
681 | ret = ctf_typedef_visit(fd, depth, | |
682 | struct_declaration->scope, | |
78af2bcd | 683 | iter->u._typedef.type_specifier_list, |
e397791f | 684 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
685 | if (ret) |
686 | return ret; | |
687 | break; | |
688 | case NODE_TYPEALIAS: | |
689 | /* Declare type with declarator and add type to struct declaration scope */ | |
690 | ret = ctf_typealias_visit(fd, depth, | |
691 | struct_declaration->scope, | |
692 | iter->u.typealias.target, | |
e397791f | 693 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
694 | if (ret) |
695 | return ret; | |
696 | break; | |
697 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
698 | /* Add field to structure declaration */ | |
699 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
700 | struct_declaration, | |
78af2bcd | 701 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
702 | &iter->u.struct_or_variant_declaration.type_declarators, |
703 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
704 | if (ret) |
705 | return ret; | |
706 | break; | |
707 | default: | |
78af2bcd | 708 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
709 | assert(0); |
710 | } | |
711 | return 0; | |
712 | } | |
713 | ||
add40b62 | 714 | static |
8fdba45b | 715 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
716 | struct ctf_node *iter, |
717 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 718 | struct ctf_trace *trace) |
add40b62 | 719 | { |
add40b62 MD |
720 | int ret; |
721 | ||
722 | switch (iter->type) { | |
723 | case NODE_TYPEDEF: | |
724 | /* For each declarator, declare type and add type to variant declaration scope */ | |
725 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 726 | untagged_variant_declaration->scope, |
78af2bcd | 727 | iter->u._typedef.type_specifier_list, |
e397791f | 728 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
729 | if (ret) |
730 | return ret; | |
731 | break; | |
732 | case NODE_TYPEALIAS: | |
733 | /* Declare type with declarator and add type to variant declaration scope */ | |
734 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 735 | untagged_variant_declaration->scope, |
add40b62 | 736 | iter->u.typealias.target, |
e397791f | 737 | iter->u.typealias.alias, trace); |
add40b62 MD |
738 | if (ret) |
739 | return ret; | |
740 | break; | |
741 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
742 | /* Add field to structure declaration */ | |
743 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 744 | untagged_variant_declaration, |
78af2bcd | 745 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
746 | &iter->u.struct_or_variant_declaration.type_declarators, |
747 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
748 | if (ret) |
749 | return ret; | |
750 | break; | |
751 | default: | |
78af2bcd | 752 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
753 | assert(0); |
754 | } | |
755 | return 0; | |
756 | } | |
757 | ||
a3cca9e9 | 758 | static |
a0720417 | 759 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 760 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
761 | int has_body, struct cds_list_head *min_align, |
762 | struct declaration_scope *declaration_scope, | |
e397791f | 763 | struct ctf_trace *trace) |
a3cca9e9 | 764 | { |
a3cca9e9 MD |
765 | struct declaration_struct *struct_declaration; |
766 | struct ctf_node *iter; | |
a0720417 | 767 | int ret; |
a3cca9e9 MD |
768 | |
769 | /* | |
770 | * For named struct (without body), lookup in | |
771 | * declaration scope. Don't take reference on struct | |
772 | * declaration: ref is only taken upon definition. | |
773 | */ | |
774 | if (!has_body) { | |
775 | assert(name); | |
776 | struct_declaration = | |
777 | lookup_struct_declaration(g_quark_from_string(name), | |
778 | declaration_scope); | |
a0720417 | 779 | return &struct_declaration->p; |
a3cca9e9 | 780 | } else { |
b7e35bad MD |
781 | uint64_t min_align_value = 0; |
782 | ||
a3cca9e9 MD |
783 | /* For unnamed struct, create type */ |
784 | /* For named struct (with body), create type and add to declaration scope */ | |
785 | if (name) { | |
786 | if (lookup_struct_declaration(g_quark_from_string(name), | |
787 | declaration_scope)) { | |
788 | ||
78af2bcd | 789 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
790 | return NULL; |
791 | } | |
792 | } | |
b7e35bad MD |
793 | if (!cds_list_empty(min_align)) { |
794 | ret = get_unary_unsigned(min_align, &min_align_value); | |
795 | if (ret) { | |
796 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
797 | ret = -EINVAL; | |
798 | goto error; | |
799 | } | |
800 | } | |
801 | struct_declaration = struct_declaration_new(declaration_scope, | |
802 | min_align_value); | |
a3cca9e9 | 803 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
804 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
805 | struct_declaration, trace); | |
a3cca9e9 | 806 | if (ret) |
5c551b40 | 807 | goto error_free_declaration; |
a3cca9e9 MD |
808 | } |
809 | if (name) { | |
810 | ret = register_struct_declaration(g_quark_from_string(name), | |
811 | struct_declaration, | |
812 | declaration_scope); | |
813 | assert(!ret); | |
814 | } | |
a0720417 | 815 | return &struct_declaration->p; |
a3cca9e9 | 816 | } |
5c551b40 | 817 | error_free_declaration: |
a3cca9e9 | 818 | struct_declaration->p.declaration_free(&struct_declaration->p); |
5c551b40 | 819 | error: |
a3cca9e9 MD |
820 | return NULL; |
821 | } | |
822 | ||
05628561 | 823 | static |
a0720417 MD |
824 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
825 | int depth, const char *name, const char *choice, | |
826 | struct cds_list_head *declaration_list, | |
e397791f MD |
827 | int has_body, struct declaration_scope *declaration_scope, |
828 | struct ctf_trace *trace) | |
05628561 | 829 | { |
a0720417 | 830 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
831 | struct declaration_variant *variant_declaration; |
832 | struct ctf_node *iter; | |
a0720417 | 833 | int ret; |
de47353a | 834 | |
add40b62 MD |
835 | /* |
836 | * For named variant (without body), lookup in | |
837 | * declaration scope. Don't take reference on variant | |
838 | * declaration: ref is only taken upon definition. | |
839 | */ | |
840 | if (!has_body) { | |
841 | assert(name); | |
a0720417 | 842 | untagged_variant_declaration = |
add40b62 MD |
843 | lookup_variant_declaration(g_quark_from_string(name), |
844 | declaration_scope); | |
add40b62 | 845 | } else { |
de47353a | 846 | /* For unnamed variant, create type */ |
add40b62 MD |
847 | /* For named variant (with body), create type and add to declaration scope */ |
848 | if (name) { | |
849 | if (lookup_variant_declaration(g_quark_from_string(name), | |
850 | declaration_scope)) { | |
851 | ||
78af2bcd | 852 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
853 | return NULL; |
854 | } | |
855 | } | |
a0720417 | 856 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 857 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 858 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 859 | untagged_variant_declaration, trace); |
add40b62 MD |
860 | if (ret) |
861 | goto error; | |
862 | } | |
863 | if (name) { | |
864 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 865 | untagged_variant_declaration, |
add40b62 MD |
866 | declaration_scope); |
867 | assert(!ret); | |
868 | } | |
a0720417 MD |
869 | } |
870 | /* | |
871 | * if tagged, create tagged variant and return. else return | |
872 | * untagged variant. | |
873 | */ | |
874 | if (!choice) { | |
875 | return &untagged_variant_declaration->p; | |
876 | } else { | |
877 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
878 | if (!variant_declaration) | |
879 | goto error; | |
880 | declaration_unref(&untagged_variant_declaration->p); | |
881 | return &variant_declaration->p; | |
de47353a | 882 | } |
add40b62 | 883 | error: |
2dd46001 | 884 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 885 | return NULL; |
05628561 MD |
886 | } |
887 | ||
05628561 | 888 | static |
8fdba45b | 889 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
890 | struct ctf_node *enumerator, |
891 | struct declaration_enum *enum_declaration) | |
892 | { | |
1cfda062 MD |
893 | GQuark q; |
894 | struct ctf_node *iter; | |
895 | ||
896 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 897 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
898 | int64_t start, end; |
899 | int nr_vals = 0; | |
900 | ||
a0720417 | 901 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
902 | int64_t *target; |
903 | ||
904 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
905 | if (nr_vals == 0) | |
906 | target = &start; | |
907 | else | |
908 | target = &end; | |
909 | ||
910 | switch (iter->u.unary_expression.type) { | |
911 | case UNARY_SIGNED_CONSTANT: | |
912 | *target = iter->u.unary_expression.u.signed_constant; | |
913 | break; | |
914 | case UNARY_UNSIGNED_CONSTANT: | |
915 | *target = iter->u.unary_expression.u.unsigned_constant; | |
916 | break; | |
917 | default: | |
78af2bcd | 918 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
919 | return -EINVAL; |
920 | } | |
921 | if (nr_vals > 1) { | |
78af2bcd | 922 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
923 | return -EINVAL; |
924 | } | |
925 | nr_vals++; | |
926 | } | |
927 | if (nr_vals == 1) | |
928 | end = start; | |
929 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 930 | } else { |
1cfda062 MD |
931 | uint64_t start, end; |
932 | int nr_vals = 0; | |
933 | ||
a0720417 MD |
934 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
935 | uint64_t *target; | |
1cfda062 MD |
936 | |
937 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
938 | if (nr_vals == 0) | |
939 | target = &start; | |
940 | else | |
941 | target = &end; | |
942 | ||
943 | switch (iter->u.unary_expression.type) { | |
944 | case UNARY_UNSIGNED_CONSTANT: | |
945 | *target = iter->u.unary_expression.u.unsigned_constant; | |
946 | break; | |
947 | case UNARY_SIGNED_CONSTANT: | |
948 | /* | |
949 | * We don't accept signed constants for enums with unsigned | |
950 | * container type. | |
951 | */ | |
78af2bcd | 952 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
953 | return -EINVAL; |
954 | default: | |
78af2bcd | 955 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
956 | return -EINVAL; |
957 | } | |
958 | if (nr_vals > 1) { | |
78af2bcd | 959 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
960 | return -EINVAL; |
961 | } | |
962 | nr_vals++; | |
963 | } | |
964 | if (nr_vals == 1) | |
965 | end = start; | |
966 | enum_unsigned_insert(enum_declaration, start, end, q); | |
967 | } | |
add40b62 MD |
968 | return 0; |
969 | } | |
970 | ||
971 | static | |
8fdba45b | 972 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 973 | const char *name, |
78af2bcd | 974 | struct ctf_node *container_type, |
add40b62 | 975 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
976 | int has_body, |
977 | struct declaration_scope *declaration_scope, | |
978 | struct ctf_trace *trace) | |
05628561 | 979 | { |
add40b62 MD |
980 | struct declaration *declaration; |
981 | struct declaration_enum *enum_declaration; | |
982 | struct declaration_integer *integer_declaration; | |
78af2bcd | 983 | struct ctf_node *iter; |
1cfda062 | 984 | GQuark dummy_id; |
a0720417 | 985 | int ret; |
add40b62 | 986 | |
05628561 | 987 | /* |
add40b62 MD |
988 | * For named enum (without body), lookup in |
989 | * declaration scope. Don't take reference on enum | |
990 | * declaration: ref is only taken upon definition. | |
05628561 | 991 | */ |
add40b62 MD |
992 | if (!has_body) { |
993 | assert(name); | |
994 | enum_declaration = | |
995 | lookup_enum_declaration(g_quark_from_string(name), | |
996 | declaration_scope); | |
a0720417 | 997 | return &enum_declaration->p; |
add40b62 MD |
998 | } else { |
999 | /* For unnamed enum, create type */ | |
1000 | /* For named enum (with body), create type and add to declaration scope */ | |
1001 | if (name) { | |
1002 | if (lookup_enum_declaration(g_quark_from_string(name), | |
1003 | declaration_scope)) { | |
1004 | ||
78af2bcd | 1005 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
1006 | return NULL; |
1007 | } | |
1008 | } | |
78af2bcd | 1009 | if (!container_type) { |
6743829a MD |
1010 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
1011 | declaration_scope); | |
1012 | if (!declaration) { | |
1013 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
1014 | return NULL; | |
1015 | } | |
1016 | } else { | |
1017 | declaration = ctf_type_declarator_visit(fd, depth, | |
1018 | container_type, | |
1019 | &dummy_id, NULL, | |
1020 | declaration_scope, | |
1021 | NULL, trace); | |
1cfda062 | 1022 | } |
30ea18a1 MD |
1023 | if (!declaration) { |
1024 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
1025 | return NULL; | |
1026 | } | |
1027 | if (declaration->id != CTF_TYPE_INTEGER) { | |
1028 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
1029 | return NULL; | |
1cfda062 | 1030 | } |
30ea18a1 | 1031 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 1032 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
1033 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
1034 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
1035 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
1036 | if (ret) | |
1037 | goto error; | |
1038 | } | |
1039 | if (name) { | |
1040 | ret = register_enum_declaration(g_quark_from_string(name), | |
1041 | enum_declaration, | |
1042 | declaration_scope); | |
1043 | assert(!ret); | |
1044 | } | |
a0720417 | 1045 | return &enum_declaration->p; |
05628561 | 1046 | } |
add40b62 MD |
1047 | error: |
1048 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
1049 | return NULL; | |
05628561 MD |
1050 | } |
1051 | ||
1052 | static | |
8fdba45b | 1053 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 1054 | struct ctf_node *type_specifier_list, |
d20f5e59 | 1055 | struct declaration_scope *declaration_scope) |
05628561 | 1056 | { |
add40b62 MD |
1057 | GString *str; |
1058 | struct declaration *declaration; | |
a0720417 MD |
1059 | char *str_c; |
1060 | int ret; | |
1061 | GQuark id_q; | |
05628561 | 1062 | |
a0720417 | 1063 | str = g_string_new(""); |
78af2bcd | 1064 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
1065 | if (ret) |
1066 | return NULL; | |
1067 | str_c = g_string_free(str, FALSE); | |
1068 | id_q = g_quark_from_string(str_c); | |
1069 | g_free(str_c); | |
1070 | declaration = lookup_declaration(id_q, declaration_scope); | |
1071 | return declaration; | |
1072 | } | |
1073 | ||
ab4cf058 MD |
1074 | /* |
1075 | * Returns 0/1 boolean, or < 0 on error. | |
1076 | */ | |
1077 | static | |
a0720417 | 1078 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
1079 | { |
1080 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 1081 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
1082 | __func__); |
1083 | return -EINVAL; | |
1084 | } | |
1085 | switch (unary_expression->u.unary_expression.type) { | |
1086 | case UNARY_UNSIGNED_CONSTANT: | |
1087 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
1088 | return 0; | |
1089 | else | |
1090 | return 1; | |
1091 | case UNARY_SIGNED_CONSTANT: | |
1092 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
1093 | return 0; | |
1094 | else | |
1095 | return 1; | |
1096 | case UNARY_STRING: | |
1097 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
1098 | return 1; | |
1099 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1100 | return 1; | |
1101 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1102 | return 0; | |
1103 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1104 | return 0; | |
1105 | else { | |
78af2bcd | 1106 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1107 | __func__, unary_expression->u.unary_expression.u.string); |
1108 | return -EINVAL; | |
1109 | } | |
1110 | break; | |
1111 | default: | |
78af2bcd | 1112 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1113 | __func__); |
1114 | return -EINVAL; | |
1115 | } | |
1116 | ||
1117 | } | |
1118 | ||
0f980a35 MD |
1119 | static |
1120 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1121 | { | |
1122 | int byte_order; | |
1123 | ||
1124 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1125 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1126 | __func__); | |
1127 | return -EINVAL; | |
1128 | } | |
1129 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1130 | byte_order = BIG_ENDIAN; | |
1131 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1132 | byte_order = LITTLE_ENDIAN; | |
1133 | else { | |
1134 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1135 | __func__, unary_expression->u.unary_expression.u.string); | |
1136 | return -EINVAL; | |
1137 | } | |
1138 | return byte_order; | |
1139 | } | |
1140 | ||
ab4cf058 | 1141 | static |
a0720417 MD |
1142 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1143 | struct ctf_trace *trace) | |
ab4cf058 MD |
1144 | { |
1145 | int byte_order; | |
1146 | ||
1147 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1148 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1149 | __func__); |
1150 | return -EINVAL; | |
1151 | } | |
1152 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1153 | byte_order = trace->byte_order; | |
1154 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1155 | byte_order = BIG_ENDIAN; | |
1156 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1157 | byte_order = BIG_ENDIAN; | |
1158 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1159 | byte_order = LITTLE_ENDIAN; | |
1160 | else { | |
78af2bcd | 1161 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1162 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1163 | return -EINVAL; |
1164 | } | |
1165 | return byte_order; | |
1166 | } | |
1167 | ||
add40b62 | 1168 | static |
8fdba45b | 1169 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1170 | struct cds_list_head *expressions, |
1171 | struct ctf_trace *trace) | |
add40b62 | 1172 | { |
a0720417 | 1173 | struct ctf_node *expression; |
68262b11 | 1174 | uint64_t alignment = 1, size = 0; |
ab4cf058 MD |
1175 | int byte_order = trace->byte_order; |
1176 | int signedness = 0; | |
add40b62 | 1177 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1178 | int base = 0; |
81dee1bb | 1179 | enum ctf_string_encoding encoding = CTF_STRING_NONE; |
56e60373 | 1180 | struct ctf_clock *clock = NULL; |
add40b62 MD |
1181 | struct declaration_integer *integer_declaration; |
1182 | ||
1183 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1184 | struct ctf_node *left, *right; |
add40b62 | 1185 | |
a0720417 MD |
1186 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1187 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1188 | assert(left->u.unary_expression.type == UNARY_STRING); |
1189 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1190 | signedness = get_boolean(fd, depth, right); |
1191 | if (signedness < 0) | |
1192 | return NULL; | |
add40b62 | 1193 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1194 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1195 | if (byte_order < 0) |
1196 | return NULL; | |
add40b62 | 1197 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1198 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1199 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1200 | __func__); |
1201 | return NULL; | |
1202 | } | |
1203 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1204 | has_size = 1; |
1205 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1206 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1207 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1208 | __func__); |
1209 | return NULL; | |
1210 | } | |
1211 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1212 | /* Make sure alignment is a power of two */ |
1213 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1214 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1215 | __func__); | |
1216 | return NULL; | |
1217 | } | |
add40b62 | 1218 | has_alignment = 1; |
164078da MD |
1219 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1220 | switch (right->u.unary_expression.type) { | |
1221 | case UNARY_UNSIGNED_CONSTANT: | |
1222 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1223 | case 2: | |
1224 | case 8: | |
1225 | case 10: | |
1226 | case 16: | |
1227 | base = right->u.unary_expression.u.unsigned_constant; | |
1228 | break; | |
1229 | default: | |
1230 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1231 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1232 | return NULL; | |
1233 | } | |
1234 | break; | |
1235 | case UNARY_STRING: | |
1236 | { | |
1237 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1238 | if (!s_right) { | |
1239 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1240 | g_free(s_right); | |
1241 | return NULL; | |
1242 | } | |
1243 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1244 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1245 | base = 10; | |
1246 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1247 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1248 | || !strcmp(s_right, "p")) { | |
1249 | base = 16; | |
1250 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1251 | || !strcmp(s_right, "o")) { | |
1252 | base = 8; | |
1253 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1254 | base = 2; | |
1255 | } else { | |
1256 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1257 | g_free(s_right); | |
1258 | return NULL; | |
1259 | } | |
1260 | ||
1261 | g_free(s_right); | |
1262 | break; | |
1263 | } | |
1264 | default: | |
1265 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1266 | __func__); | |
1267 | return NULL; | |
1268 | } | |
81dee1bb MD |
1269 | } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { |
1270 | char *s_right; | |
1271 | ||
1272 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1273 | fprintf(fd, "[error] %s: encoding: expecting unary string\n", | |
1274 | __func__); | |
1275 | return NULL; | |
1276 | } | |
1277 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1278 | if (!s_right) { | |
1279 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1280 | g_free(s_right); | |
1281 | return NULL; | |
1282 | } | |
1283 | if (!strcmp(s_right, "UTF8") | |
1284 | || !strcmp(s_right, "utf8") | |
1285 | || !strcmp(s_right, "utf-8") | |
1286 | || !strcmp(s_right, "UTF-8")) | |
1287 | encoding = CTF_STRING_UTF8; | |
1288 | else if (!strcmp(s_right, "ASCII") | |
1289 | || !strcmp(s_right, "ascii")) | |
1290 | encoding = CTF_STRING_ASCII; | |
b5bf4179 MD |
1291 | else if (!strcmp(s_right, "none")) |
1292 | encoding = CTF_STRING_NONE; | |
81dee1bb MD |
1293 | else { |
1294 | fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); | |
1295 | g_free(s_right); | |
1296 | return NULL; | |
1297 | } | |
1298 | g_free(s_right); | |
73d15916 | 1299 | } else if (!strcmp(left->u.unary_expression.u.string, "map")) { |
56e60373 | 1300 | GQuark clock_name; |
73d15916 MD |
1301 | |
1302 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1303 | fprintf(fd, "[error] %s: map: expecting identifier\n", | |
1304 | __func__); | |
1305 | return NULL; | |
1306 | } | |
56e60373 MD |
1307 | /* currently only support clock.name.value */ |
1308 | clock_name = get_map_clock_name_value(&expression->u.ctf_expression.right); | |
1309 | if (!clock_name) { | |
1310 | char *s_right; | |
1311 | ||
1312 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1313 | if (!s_right) { | |
1314 | fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__); | |
1315 | g_free(s_right); | |
1316 | return NULL; | |
1317 | } | |
1318 | fprintf(fd, "[warning] %s: unknown map %s in integer declaration\n", __func__, | |
1319 | s_right); | |
73d15916 | 1320 | g_free(s_right); |
56e60373 MD |
1321 | continue; |
1322 | } | |
1323 | clock = trace_clock_lookup(trace, clock_name); | |
1324 | if (!clock) { | |
1325 | fprintf(fd, "[error] %s: map: unable to find clock %s declaration\n", | |
1326 | __func__, g_quark_to_string(clock_name)); | |
73d15916 MD |
1327 | return NULL; |
1328 | } | |
add40b62 | 1329 | } else { |
b3ab6665 | 1330 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
add40b62 | 1331 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1332 | /* Fall-through after warning */ |
add40b62 | 1333 | } |
05628561 | 1334 | } |
add40b62 | 1335 | if (!has_size) { |
78af2bcd | 1336 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1337 | return NULL; |
1338 | } | |
ab4cf058 MD |
1339 | if (!has_alignment) { |
1340 | if (size % CHAR_BIT) { | |
1341 | /* bit-packed alignment */ | |
1342 | alignment = 1; | |
1343 | } else { | |
1344 | /* byte-packed alignment */ | |
1345 | alignment = CHAR_BIT; | |
1346 | } | |
1347 | } | |
add40b62 | 1348 | integer_declaration = integer_declaration_new(size, |
81dee1bb | 1349 | byte_order, signedness, alignment, |
56e60373 | 1350 | base, encoding, clock); |
add40b62 | 1351 | return &integer_declaration->p; |
05628561 MD |
1352 | } |
1353 | ||
ab4cf058 | 1354 | static |
8fdba45b | 1355 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1356 | struct cds_list_head *expressions, |
1357 | struct ctf_trace *trace) | |
1358 | { | |
a0720417 | 1359 | struct ctf_node *expression; |
5c551b40 MD |
1360 | uint64_t alignment = 1, exp_dig = 0, mant_dig = 0, |
1361 | byte_order = trace->byte_order; | |
ab4cf058 MD |
1362 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; |
1363 | struct declaration_float *float_declaration; | |
1364 | ||
1365 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1366 | struct ctf_node *left, *right; |
ab4cf058 | 1367 | |
a0720417 MD |
1368 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1369 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1370 | assert(left->u.unary_expression.type == UNARY_STRING); |
1371 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1372 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1373 | if (byte_order < 0) |
1374 | return NULL; | |
1375 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1376 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1377 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1378 | __func__); |
1379 | return NULL; | |
1380 | } | |
1381 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1382 | has_exp_dig = 1; | |
1383 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1384 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1385 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1386 | __func__); |
1387 | return NULL; | |
1388 | } | |
1389 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1390 | has_mant_dig = 1; | |
1391 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1392 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1393 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1394 | __func__); |
1395 | return NULL; | |
1396 | } | |
1397 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1398 | /* Make sure alignment is a power of two */ |
1399 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1400 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1401 | __func__); | |
1402 | return NULL; | |
1403 | } | |
ab4cf058 MD |
1404 | has_alignment = 1; |
1405 | } else { | |
b3ab6665 | 1406 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1407 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1408 | /* Fall-through after warning */ |
ab4cf058 MD |
1409 | } |
1410 | } | |
1411 | if (!has_mant_dig) { | |
78af2bcd | 1412 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1413 | return NULL; |
1414 | } | |
1415 | if (!has_exp_dig) { | |
78af2bcd | 1416 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1417 | return NULL; |
1418 | } | |
1419 | if (!has_alignment) { | |
1420 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1421 | /* bit-packed alignment */ | |
1422 | alignment = 1; | |
1423 | } else { | |
1424 | /* byte-packed alignment */ | |
1425 | alignment = CHAR_BIT; | |
1426 | } | |
1427 | } | |
1428 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1429 | byte_order, alignment); | |
1430 | return &float_declaration->p; | |
1431 | } | |
1432 | ||
1433 | static | |
8fdba45b | 1434 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1435 | struct cds_list_head *expressions, |
1436 | struct ctf_trace *trace) | |
1437 | { | |
a0720417 | 1438 | struct ctf_node *expression; |
ab4cf058 MD |
1439 | const char *encoding_c = NULL; |
1440 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1441 | struct declaration_string *string_declaration; | |
1442 | ||
1443 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1444 | struct ctf_node *left, *right; |
ab4cf058 | 1445 | |
a0720417 MD |
1446 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1447 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1448 | assert(left->u.unary_expression.type == UNARY_STRING); |
1449 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1450 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1451 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1452 | __func__); |
1453 | return NULL; | |
1454 | } | |
1455 | encoding_c = right->u.unary_expression.u.string; | |
1456 | } else { | |
b3ab6665 | 1457 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1458 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1459 | /* Fall-through after warning */ |
ab4cf058 MD |
1460 | } |
1461 | } | |
1462 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1463 | encoding = CTF_STRING_ASCII; | |
1464 | string_declaration = string_declaration_new(encoding); | |
1465 | return &string_declaration->p; | |
1466 | } | |
1467 | ||
1468 | ||
05628561 | 1469 | static |
78af2bcd MD |
1470 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1471 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1472 | struct declaration_scope *declaration_scope, |
1473 | struct ctf_trace *trace) | |
05628561 | 1474 | { |
a0720417 | 1475 | struct ctf_node *first; |
78af2bcd | 1476 | struct ctf_node *node; |
d20f5e59 | 1477 | |
427c09b7 MD |
1478 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1479 | ||
78af2bcd | 1480 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1481 | |
78af2bcd MD |
1482 | assert(first->type == NODE_TYPE_SPECIFIER); |
1483 | ||
1484 | node = first->u.type_specifier.node; | |
1485 | ||
1486 | switch (first->u.type_specifier.type) { | |
1487 | case TYPESPEC_FLOATING_POINT: | |
1488 | return ctf_declaration_floating_point_visit(fd, depth, | |
1489 | &node->u.floating_point.expressions, trace); | |
1490 | case TYPESPEC_INTEGER: | |
1491 | return ctf_declaration_integer_visit(fd, depth, | |
1492 | &node->u.integer.expressions, trace); | |
1493 | case TYPESPEC_STRING: | |
1494 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1495 | &node->u.string.expressions, trace); |
78af2bcd | 1496 | case TYPESPEC_STRUCT: |
add40b62 | 1497 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1498 | node->u._struct.name, |
1499 | &node->u._struct.declaration_list, | |
1500 | node->u._struct.has_body, | |
b7e35bad | 1501 | &node->u._struct.min_align, |
ab4cf058 MD |
1502 | declaration_scope, |
1503 | trace); | |
78af2bcd | 1504 | case TYPESPEC_VARIANT: |
add40b62 | 1505 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1506 | node->u.variant.name, |
1507 | node->u.variant.choice, | |
1508 | &node->u.variant.declaration_list, | |
1509 | node->u.variant.has_body, | |
ab4cf058 MD |
1510 | declaration_scope, |
1511 | trace); | |
78af2bcd | 1512 | case TYPESPEC_ENUM: |
add40b62 | 1513 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1514 | node->u._enum.enum_id, |
1515 | node->u._enum.container_type, | |
1516 | &node->u._enum.enumerator_list, | |
1517 | node->u._enum.has_body, | |
1cfda062 | 1518 | declaration_scope, |
ab4cf058 | 1519 | trace); |
78af2bcd MD |
1520 | |
1521 | case TYPESPEC_VOID: | |
1522 | case TYPESPEC_CHAR: | |
1523 | case TYPESPEC_SHORT: | |
1524 | case TYPESPEC_INT: | |
1525 | case TYPESPEC_LONG: | |
1526 | case TYPESPEC_FLOAT: | |
1527 | case TYPESPEC_DOUBLE: | |
1528 | case TYPESPEC_SIGNED: | |
1529 | case TYPESPEC_UNSIGNED: | |
1530 | case TYPESPEC_BOOL: | |
1531 | case TYPESPEC_COMPLEX: | |
1532 | case TYPESPEC_IMAGINARY: | |
1533 | case TYPESPEC_CONST: | |
1534 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1535 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1536 | type_specifier_list, declaration_scope); |
a0720417 | 1537 | default: |
78af2bcd | 1538 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1539 | return NULL; |
add40b62 | 1540 | } |
05628561 MD |
1541 | } |
1542 | ||
1543 | static | |
1544 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1545 | { | |
1546 | int ret = 0; | |
1547 | ||
1548 | switch (node->type) { | |
1549 | case NODE_TYPEDEF: | |
1550 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1551 | event->declaration_scope, |
78af2bcd | 1552 | node->u._typedef.type_specifier_list, |
05628561 | 1553 | &node->u._typedef.type_declarators, |
a0720417 | 1554 | trace); |
05628561 MD |
1555 | if (ret) |
1556 | return ret; | |
1557 | break; | |
1558 | case NODE_TYPEALIAS: | |
1559 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1560 | event->declaration_scope, |
1561 | node->u.typealias.target, node->u.typealias.alias, | |
1562 | trace); | |
05628561 MD |
1563 | if (ret) |
1564 | return ret; | |
1565 | break; | |
1566 | case NODE_CTF_EXPRESSION: | |
1567 | { | |
1568 | char *left; | |
1569 | ||
1570 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1571 | if (!strcmp(left, "name")) { | |
1572 | char *right; | |
1573 | ||
427c09b7 MD |
1574 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1575 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1576 | ret = -EPERM; |
1577 | goto error; | |
427c09b7 | 1578 | } |
05628561 MD |
1579 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1580 | if (!right) { | |
78af2bcd | 1581 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1582 | ret = -EINVAL; |
1583 | goto error; | |
05628561 MD |
1584 | } |
1585 | event->name = g_quark_from_string(right); | |
41253107 | 1586 | g_free(right); |
05628561 MD |
1587 | CTF_EVENT_SET_FIELD(event, name); |
1588 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1589 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1590 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1591 | ret = -EPERM; |
1592 | goto error; | |
427c09b7 | 1593 | } |
05628561 MD |
1594 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1595 | if (ret) { | |
78af2bcd | 1596 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1597 | ret = -EINVAL; |
1598 | goto error; | |
05628561 MD |
1599 | } |
1600 | CTF_EVENT_SET_FIELD(event, id); | |
1601 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1602 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1603 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1604 | ret = -EPERM; |
1605 | goto error; | |
427c09b7 | 1606 | } |
05628561 MD |
1607 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1608 | if (ret) { | |
78af2bcd | 1609 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1610 | ret = -EINVAL; |
1611 | goto error; | |
05628561 MD |
1612 | } |
1613 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1614 | if (!event->stream) { | |
78af2bcd | 1615 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1616 | ret = -EINVAL; |
1617 | goto error; | |
05628561 | 1618 | } |
05628561 MD |
1619 | CTF_EVENT_SET_FIELD(event, stream_id); |
1620 | } else if (!strcmp(left, "context")) { | |
1621 | struct declaration *declaration; | |
1622 | ||
427c09b7 MD |
1623 | if (event->context_decl) { |
1624 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1625 | ret = -EINVAL; |
1626 | goto error; | |
427c09b7 | 1627 | } |
78af2bcd MD |
1628 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1629 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1630 | struct ctf_node, siblings), | |
ab4cf058 | 1631 | event->declaration_scope, trace); |
0f980a35 MD |
1632 | if (!declaration) { |
1633 | ret = -EPERM; | |
1634 | goto error; | |
1635 | } | |
1636 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1637 | ret = -EPERM; | |
1638 | goto error; | |
1639 | } | |
9e29e16e | 1640 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1641 | } else if (!strcmp(left, "fields")) { |
1642 | struct declaration *declaration; | |
1643 | ||
427c09b7 MD |
1644 | if (event->fields_decl) { |
1645 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1646 | ret = -EINVAL; |
1647 | goto error; | |
427c09b7 | 1648 | } |
78af2bcd MD |
1649 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1650 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1651 | struct ctf_node, siblings), | |
ab4cf058 | 1652 | event->declaration_scope, trace); |
0f980a35 MD |
1653 | if (!declaration) { |
1654 | ret = -EPERM; | |
1655 | goto error; | |
1656 | } | |
1657 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1658 | ret = -EPERM; | |
1659 | goto error; | |
1660 | } | |
9e29e16e | 1661 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
306eeaa6 MD |
1662 | } else if (!strcmp(left, "loglevel")) { |
1663 | int64_t loglevel = -1; | |
d86d62f8 | 1664 | |
306eeaa6 MD |
1665 | if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) { |
1666 | fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__); | |
d86d62f8 MD |
1667 | ret = -EPERM; |
1668 | goto error; | |
1669 | } | |
306eeaa6 | 1670 | ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel); |
d86d62f8 | 1671 | if (ret) { |
306eeaa6 | 1672 | fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__); |
d86d62f8 MD |
1673 | ret = -EINVAL; |
1674 | goto error; | |
1675 | } | |
209209be | 1676 | event->loglevel = (int) loglevel; |
306eeaa6 | 1677 | CTF_EVENT_SET_FIELD(event, loglevel); |
98df1c9f | 1678 | } else { |
b3ab6665 MD |
1679 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); |
1680 | /* Fall-through after warning */ | |
05628561 | 1681 | } |
0f980a35 | 1682 | error: |
41253107 | 1683 | g_free(left); |
05628561 MD |
1684 | break; |
1685 | } | |
1686 | default: | |
1687 | return -EPERM; | |
1688 | /* TODO: declaration specifier should be added. */ | |
1689 | } | |
1690 | ||
0f980a35 | 1691 | return ret; |
05628561 MD |
1692 | } |
1693 | ||
1694 | static | |
1695 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1696 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1697 | { |
1698 | int ret = 0; | |
1699 | struct ctf_node *iter; | |
1700 | struct ctf_event *event; | |
1701 | ||
1702 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1703 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
306eeaa6 | 1704 | event->loglevel = -1; |
05628561 MD |
1705 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1706 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1707 | if (ret) | |
1708 | goto error; | |
1709 | } | |
1710 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1711 | ret = -EPERM; | |
427c09b7 | 1712 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1713 | goto error; |
1714 | } | |
05628561 | 1715 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1716 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1717 | switch (trace->streams->len) { |
1718 | case 0: /* Create stream if there was none. */ | |
1719 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1720 | if (ret) | |
1721 | goto error; | |
1722 | /* Fall-through */ | |
1723 | case 1: | |
0f980a35 MD |
1724 | event->stream_id = 0; |
1725 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1726 | break; |
1727 | default: | |
0f980a35 MD |
1728 | ret = -EPERM; |
1729 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1730 | goto error; | |
1731 | } | |
05628561 | 1732 | } |
8c572eba MD |
1733 | /* Allow only one event without id per stream */ |
1734 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1735 | && event->stream->events_by_id->len != 0) { | |
1736 | ret = -EPERM; | |
1737 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1738 | goto error; | |
1739 | } | |
05628561 MD |
1740 | if (event->stream->events_by_id->len <= event->id) |
1741 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1742 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1743 | g_hash_table_insert(event->stream->event_quark_to_id, | |
56e60373 | 1744 | (gpointer) (unsigned long) event->name, |
05628561 MD |
1745 | &event->id); |
1746 | return 0; | |
1747 | ||
1748 | error: | |
98df1c9f MD |
1749 | if (event->fields_decl) |
1750 | declaration_unref(&event->fields_decl->p); | |
1751 | if (event->context_decl) | |
1752 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1753 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1754 | g_free(event); |
1755 | return ret; | |
1756 | } | |
1757 | ||
1758 | ||
1759 | static | |
aa6bffae | 1760 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1761 | { |
1762 | int ret = 0; | |
1763 | ||
1764 | switch (node->type) { | |
1765 | case NODE_TYPEDEF: | |
1766 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1767 | stream->declaration_scope, |
78af2bcd | 1768 | node->u._typedef.type_specifier_list, |
05628561 | 1769 | &node->u._typedef.type_declarators, |
a0720417 | 1770 | trace); |
05628561 MD |
1771 | if (ret) |
1772 | return ret; | |
1773 | break; | |
1774 | case NODE_TYPEALIAS: | |
1775 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1776 | stream->declaration_scope, |
1777 | node->u.typealias.target, node->u.typealias.alias, | |
1778 | trace); | |
05628561 MD |
1779 | if (ret) |
1780 | return ret; | |
1781 | break; | |
1782 | case NODE_CTF_EXPRESSION: | |
1783 | { | |
1784 | char *left; | |
1785 | ||
1786 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1787 | if (!strcmp(left, "id")) { |
1788 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1789 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1790 | ret = -EPERM; |
1791 | goto error; | |
427c09b7 | 1792 | } |
a0720417 | 1793 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1794 | if (ret) { |
427c09b7 | 1795 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1796 | ret = -EINVAL; |
1797 | goto error; | |
05628561 | 1798 | } |
a0720417 | 1799 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1800 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1801 | struct declaration *declaration; |
1802 | ||
427c09b7 MD |
1803 | if (stream->event_header_decl) { |
1804 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1805 | ret = -EINVAL; |
1806 | goto error; | |
427c09b7 | 1807 | } |
78af2bcd MD |
1808 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1809 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1810 | struct ctf_node, siblings), | |
a0720417 | 1811 | stream->declaration_scope, trace); |
0f980a35 MD |
1812 | if (!declaration) { |
1813 | ret = -EPERM; | |
1814 | goto error; | |
1815 | } | |
1816 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1817 | ret = -EPERM; | |
1818 | goto error; | |
1819 | } | |
9e29e16e MD |
1820 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1821 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1822 | struct declaration *declaration; |
1823 | ||
427c09b7 MD |
1824 | if (stream->event_context_decl) { |
1825 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1826 | ret = -EINVAL; |
1827 | goto error; | |
427c09b7 | 1828 | } |
78af2bcd MD |
1829 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1830 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1831 | struct ctf_node, siblings), | |
ab4cf058 | 1832 | stream->declaration_scope, trace); |
0f980a35 MD |
1833 | if (!declaration) { |
1834 | ret = -EPERM; | |
1835 | goto error; | |
1836 | } | |
1837 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1838 | ret = -EPERM; | |
1839 | goto error; | |
1840 | } | |
9e29e16e MD |
1841 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1842 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1843 | struct declaration *declaration; |
1844 | ||
427c09b7 MD |
1845 | if (stream->packet_context_decl) { |
1846 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1847 | ret = -EINVAL; |
1848 | goto error; | |
427c09b7 | 1849 | } |
78af2bcd MD |
1850 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1851 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1852 | struct ctf_node, siblings), | |
ab4cf058 | 1853 | stream->declaration_scope, trace); |
0f980a35 MD |
1854 | if (!declaration) { |
1855 | ret = -EPERM; | |
1856 | goto error; | |
1857 | } | |
1858 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1859 | ret = -EPERM; | |
1860 | goto error; | |
1861 | } | |
9e29e16e | 1862 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f | 1863 | } else { |
b3ab6665 MD |
1864 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); |
1865 | /* Fall-through after warning */ | |
05628561 | 1866 | } |
98df1c9f | 1867 | |
0f980a35 | 1868 | error: |
41253107 | 1869 | g_free(left); |
05628561 MD |
1870 | break; |
1871 | } | |
1872 | default: | |
1873 | return -EPERM; | |
1874 | /* TODO: declaration specifier should be added. */ | |
1875 | } | |
1876 | ||
0f980a35 | 1877 | return ret; |
05628561 MD |
1878 | } |
1879 | ||
1880 | static | |
1881 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1882 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1883 | { |
1884 | int ret = 0; | |
1885 | struct ctf_node *iter; | |
aa6bffae | 1886 | struct ctf_stream_class *stream; |
05628561 | 1887 | |
aa6bffae | 1888 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1889 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1890 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1891 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
2d0bea29 | 1892 | stream->streams = g_ptr_array_new(); |
33105c61 MD |
1893 | if (node) { |
1894 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1895 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1896 | if (ret) | |
1897 | goto error; | |
1898 | } | |
05628561 | 1899 | } |
0f980a35 MD |
1900 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1901 | /* check that packet header has stream_id field. */ | |
1902 | if (!trace->packet_header_decl | |
1903 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1904 | ret = -EPERM; | |
1905 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1906 | goto error; | |
1907 | } | |
8c572eba MD |
1908 | } else { |
1909 | /* Allow only one id-less stream */ | |
1910 | if (trace->streams->len != 0) { | |
1911 | ret = -EPERM; | |
1912 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1913 | goto error; | |
1914 | } | |
1915 | stream->stream_id = 0; | |
05628561 MD |
1916 | } |
1917 | if (trace->streams->len <= stream->stream_id) | |
1918 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1919 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
82662ad4 | 1920 | stream->trace = trace; |
9e29e16e | 1921 | |
05628561 MD |
1922 | return 0; |
1923 | ||
1924 | error: | |
98df1c9f MD |
1925 | if (stream->event_header_decl) |
1926 | declaration_unref(&stream->event_header_decl->p); | |
1927 | if (stream->event_context_decl) | |
1928 | declaration_unref(&stream->event_context_decl->p); | |
1929 | if (stream->packet_context_decl) | |
1930 | declaration_unref(&stream->packet_context_decl->p); | |
2d0bea29 | 1931 | g_ptr_array_free(stream->streams, TRUE); |
05628561 | 1932 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1933 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1934 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1935 | g_free(stream); |
1936 | return ret; | |
1937 | } | |
1938 | ||
1939 | static | |
1940 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1941 | { | |
1942 | int ret = 0; | |
1943 | ||
1944 | switch (node->type) { | |
1945 | case NODE_TYPEDEF: | |
1946 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1947 | trace->declaration_scope, |
78af2bcd | 1948 | node->u._typedef.type_specifier_list, |
05628561 | 1949 | &node->u._typedef.type_declarators, |
a0720417 | 1950 | trace); |
05628561 MD |
1951 | if (ret) |
1952 | return ret; | |
1953 | break; | |
1954 | case NODE_TYPEALIAS: | |
1955 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1956 | trace->declaration_scope, |
1957 | node->u.typealias.target, node->u.typealias.alias, | |
1958 | trace); | |
05628561 MD |
1959 | if (ret) |
1960 | return ret; | |
1961 | break; | |
1962 | case NODE_CTF_EXPRESSION: | |
1963 | { | |
1964 | char *left; | |
1965 | ||
1966 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1967 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1968 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1969 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1970 | ret = -EPERM; |
1971 | goto error; | |
427c09b7 | 1972 | } |
05628561 MD |
1973 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1974 | if (ret) { | |
78af2bcd | 1975 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1976 | ret = -EINVAL; |
1977 | goto error; | |
05628561 | 1978 | } |
a0720417 | 1979 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1980 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1981 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1982 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1983 | ret = -EPERM; |
1984 | goto error; | |
427c09b7 | 1985 | } |
05628561 MD |
1986 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1987 | if (ret) { | |
78af2bcd | 1988 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1989 | ret = -EINVAL; |
1990 | goto error; | |
05628561 | 1991 | } |
a0720417 | 1992 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1993 | } else if (!strcmp(left, "uuid")) { |
b4c19c1e | 1994 | uuid_t uuid; |
a0fe7d97 MD |
1995 | |
1996 | ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); | |
05628561 | 1997 | if (ret) { |
78af2bcd | 1998 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
1999 | ret = -EINVAL; |
2000 | goto error; | |
05628561 | 2001 | } |
b4c19c1e MD |
2002 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid) |
2003 | && uuid_compare(uuid, trace->uuid)) { | |
2004 | fprintf(fd, "[error] %s: uuid mismatch\n", __func__); | |
2005 | ret = -EPERM; | |
2006 | goto error; | |
a0fe7d97 MD |
2007 | } else { |
2008 | memcpy(trace->uuid, uuid, sizeof(uuid)); | |
b4c19c1e | 2009 | } |
a0720417 | 2010 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
2011 | } else if (!strcmp(left, "byte_order")) { |
2012 | struct ctf_node *right; | |
2013 | int byte_order; | |
2014 | ||
0f980a35 MD |
2015 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); |
2016 | byte_order = get_trace_byte_order(fd, depth, right); | |
2017 | if (byte_order < 0) | |
2018 | return -EINVAL; | |
a0fe7d97 MD |
2019 | |
2020 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) | |
2021 | && byte_order != trace->byte_order) { | |
2022 | fprintf(fd, "[error] %s: endianness mismatch\n", __func__); | |
2023 | ret = -EPERM; | |
2024 | goto error; | |
2025 | } else { | |
fdce39de MD |
2026 | if (byte_order != trace->byte_order) { |
2027 | trace->byte_order = byte_order; | |
2028 | /* | |
2029 | * We need to restart | |
2030 | * construction of the | |
2031 | * intermediate representation. | |
2032 | */ | |
2e0c6b58 MD |
2033 | trace->field_mask = 0; |
2034 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
2035 | ret = -EINTR; | |
2036 | goto error; | |
fdce39de | 2037 | } |
a0fe7d97 | 2038 | } |
7c8a1386 | 2039 | CTF_TRACE_SET_FIELD(trace, byte_order); |
0f980a35 MD |
2040 | } else if (!strcmp(left, "packet.header")) { |
2041 | struct declaration *declaration; | |
2042 | ||
2043 | if (trace->packet_header_decl) { | |
2044 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
2045 | ret = -EINVAL; | |
2046 | goto error; | |
2047 | } | |
2048 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
2049 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
2050 | struct ctf_node, siblings), | |
2051 | trace->declaration_scope, trace); | |
2052 | if (!declaration) { | |
2053 | ret = -EPERM; | |
2054 | goto error; | |
2055 | } | |
2056 | if (declaration->id != CTF_TYPE_STRUCT) { | |
2057 | ret = -EPERM; | |
2058 | goto error; | |
2059 | } | |
2060 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
98df1c9f | 2061 | } else { |
b3ab6665 | 2062 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); |
05628561 | 2063 | } |
98df1c9f | 2064 | |
0f980a35 | 2065 | error: |
41253107 | 2066 | g_free(left); |
05628561 MD |
2067 | break; |
2068 | } | |
2069 | default: | |
2070 | return -EPERM; | |
2071 | /* TODO: declaration specifier should be added. */ | |
2072 | } | |
2073 | ||
0f980a35 | 2074 | return ret; |
05628561 MD |
2075 | } |
2076 | ||
05628561 MD |
2077 | static |
2078 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2079 | { | |
2080 | int ret = 0; | |
2081 | struct ctf_node *iter; | |
2082 | ||
d20f5e59 | 2083 | if (trace->declaration_scope) |
05628561 | 2084 | return -EEXIST; |
d20f5e59 | 2085 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
2086 | trace->streams = g_ptr_array_new(); |
2087 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
2088 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
2089 | if (ret) | |
2090 | goto error; | |
2091 | } | |
a0720417 | 2092 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 2093 | ret = -EPERM; |
427c09b7 | 2094 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
2095 | goto error; |
2096 | } | |
a0720417 | 2097 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 2098 | ret = -EPERM; |
427c09b7 | 2099 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
2100 | goto error; |
2101 | } | |
a0720417 | 2102 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 2103 | ret = -EPERM; |
427c09b7 | 2104 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
2105 | goto error; |
2106 | } | |
dc48ecad MD |
2107 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2108 | ret = -EPERM; | |
2109 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
2110 | goto error; | |
2111 | } | |
0f980a35 | 2112 | |
0f980a35 MD |
2113 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2114 | /* check that the packet header contains a "magic" field */ | |
e28d4618 | 2115 | if (!trace->packet_header_decl |
0f980a35 MD |
2116 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { |
2117 | ret = -EPERM; | |
2118 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
98df1c9f | 2119 | goto error; |
0f980a35 MD |
2120 | } |
2121 | } | |
05628561 MD |
2122 | return 0; |
2123 | ||
2124 | error: | |
0d72513f | 2125 | if (trace->packet_header_decl) { |
98df1c9f | 2126 | declaration_unref(&trace->packet_header_decl->p); |
0d72513f MD |
2127 | trace->packet_header_decl = NULL; |
2128 | } | |
05628561 | 2129 | g_ptr_array_free(trace->streams, TRUE); |
a0720417 | 2130 | free_declaration_scope(trace->declaration_scope); |
fdce39de | 2131 | trace->declaration_scope = NULL; |
05628561 MD |
2132 | return ret; |
2133 | } | |
2134 | ||
50cb9c56 MD |
2135 | static |
2136 | int ctf_clock_declaration_visit(FILE *fd, int depth, struct ctf_node *node, | |
2137 | struct ctf_clock *clock, struct ctf_trace *trace) | |
2138 | { | |
2139 | int ret = 0; | |
2140 | ||
2141 | switch (node->type) { | |
2142 | case NODE_CTF_EXPRESSION: | |
2143 | { | |
2144 | char *left; | |
2145 | ||
2146 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
2147 | if (!strcmp(left, "name")) { | |
2148 | char *right; | |
2149 | ||
2150 | if (CTF_CLOCK_FIELD_IS_SET(clock, name)) { | |
2151 | fprintf(fd, "[error] %s: name already declared in clock declaration\n", __func__); | |
2152 | ret = -EPERM; | |
2153 | goto error; | |
2154 | } | |
2155 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2156 | if (!right) { | |
2157 | fprintf(fd, "[error] %s: unexpected unary expression for clock name\n", __func__); | |
2158 | ret = -EINVAL; | |
2159 | goto error; | |
2160 | } | |
2161 | clock->name = g_quark_from_string(right); | |
2162 | g_free(right); | |
bf94ab2b | 2163 | CTF_CLOCK_SET_FIELD(clock, name); |
50cb9c56 MD |
2164 | } else if (!strcmp(left, "uuid")) { |
2165 | char *right; | |
2166 | ||
2167 | if (clock->uuid) { | |
2168 | fprintf(fd, "[error] %s: uuid already declared in clock declaration\n", __func__); | |
2169 | ret = -EPERM; | |
2170 | goto error; | |
2171 | } | |
2172 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2173 | if (!right) { | |
2174 | fprintf(fd, "[error] %s: unexpected unary expression for clock uuid\n", __func__); | |
2175 | ret = -EINVAL; | |
2176 | goto error; | |
2177 | } | |
2178 | clock->uuid = g_quark_from_string(right); | |
2179 | g_free(right); | |
2180 | } else if (!strcmp(left, "description")) { | |
2181 | char *right; | |
2182 | ||
2183 | if (clock->description) { | |
2184 | fprintf(fd, "[warning] %s: duplicated clock description\n", __func__); | |
2185 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2186 | } | |
2187 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2188 | if (!right) { | |
2189 | fprintf(fd, "[warning] %s: unexpected unary expression for clock description\n", __func__); | |
2190 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2191 | } | |
2192 | clock->description = right; | |
2193 | } else if (!strcmp(left, "freq")) { | |
bf94ab2b | 2194 | if (CTF_CLOCK_FIELD_IS_SET(clock, freq)) { |
50cb9c56 MD |
2195 | fprintf(fd, "[error] %s: freq already declared in clock declaration\n", __func__); |
2196 | ret = -EPERM; | |
2197 | goto error; | |
2198 | } | |
2199 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->freq); | |
2200 | if (ret) { | |
2201 | fprintf(fd, "[error] %s: unexpected unary expression for clock freq\n", __func__); | |
2202 | ret = -EINVAL; | |
2203 | goto error; | |
2204 | } | |
bf94ab2b | 2205 | CTF_CLOCK_SET_FIELD(clock, freq); |
50cb9c56 MD |
2206 | } else if (!strcmp(left, "precision")) { |
2207 | if (clock->precision) { | |
2208 | fprintf(fd, "[error] %s: precision already declared in clock declaration\n", __func__); | |
2209 | ret = -EPERM; | |
2210 | goto error; | |
2211 | } | |
2212 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->precision); | |
2213 | if (ret) { | |
2214 | fprintf(fd, "[error] %s: unexpected unary expression for clock precision\n", __func__); | |
2215 | ret = -EINVAL; | |
2216 | goto error; | |
2217 | } | |
2218 | } else if (!strcmp(left, "offset_s")) { | |
2219 | if (clock->offset_s) { | |
2220 | fprintf(fd, "[error] %s: offset_s already declared in clock declaration\n", __func__); | |
2221 | ret = -EPERM; | |
2222 | goto error; | |
2223 | } | |
2224 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset_s); | |
2225 | if (ret) { | |
2226 | fprintf(fd, "[error] %s: unexpected unary expression for clock offset_s\n", __func__); | |
2227 | ret = -EINVAL; | |
2228 | goto error; | |
2229 | } | |
2230 | } else if (!strcmp(left, "offset")) { | |
2231 | if (clock->offset) { | |
2232 | fprintf(fd, "[error] %s: offset already declared in clock declaration\n", __func__); | |
2233 | ret = -EPERM; | |
2234 | goto error; | |
2235 | } | |
2236 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset); | |
2237 | if (ret) { | |
2238 | fprintf(fd, "[error] %s: unexpected unary expression for clock offset\n", __func__); | |
2239 | ret = -EINVAL; | |
2240 | goto error; | |
2241 | } | |
11ac6674 MD |
2242 | } else if (!strcmp(left, "absolute")) { |
2243 | struct ctf_node *right; | |
2244 | ||
2245 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); | |
2246 | ret = get_boolean(fd, depth, right); | |
2247 | if (ret < 0) { | |
2248 | fprintf(fd, "[error] %s: unexpected \"absolute\" right member\n", __func__); | |
2249 | ret = -EINVAL; | |
2250 | goto error; | |
2251 | } | |
2252 | clock->absolute = ret; | |
50cb9c56 MD |
2253 | } else { |
2254 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in clock declaration.\n", __func__, left); | |
2255 | } | |
2256 | ||
2257 | error: | |
2258 | g_free(left); | |
2259 | break; | |
2260 | } | |
2261 | default: | |
2262 | return -EPERM; | |
2263 | /* TODO: declaration specifier should be added. */ | |
2264 | } | |
2265 | ||
2266 | return ret; | |
2267 | } | |
2268 | ||
2269 | static | |
2270 | int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2271 | { | |
2272 | int ret = 0; | |
2273 | struct ctf_node *iter; | |
2274 | struct ctf_clock *clock; | |
2275 | ||
2276 | clock = g_new0(struct ctf_clock, 1); | |
25ccc85b MD |
2277 | /* Default clock frequency is set to 1000000000 */ |
2278 | clock->freq = 1000000000ULL; | |
50cb9c56 MD |
2279 | cds_list_for_each_entry(iter, &node->u.clock.declaration_list, siblings) { |
2280 | ret = ctf_clock_declaration_visit(fd, depth + 1, iter, clock, trace); | |
2281 | if (ret) | |
2282 | goto error; | |
2283 | } | |
2284 | if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) { | |
2285 | ret = -EPERM; | |
2286 | fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__); | |
2287 | goto error; | |
2288 | } | |
25ccc85b MD |
2289 | if (g_hash_table_size(trace->clocks) > 0) { |
2290 | fprintf(stderr, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n"); | |
2291 | ret = -EINVAL; | |
2292 | goto error; | |
2293 | } | |
2294 | trace->single_clock = clock; | |
50cb9c56 MD |
2295 | g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); |
2296 | return 0; | |
2297 | ||
2298 | error: | |
2299 | g_free(clock->description); | |
2300 | g_free(clock); | |
2301 | return ret; | |
2302 | } | |
2303 | ||
f57447bd JN |
2304 | static |
2305 | void ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace) | |
2306 | { | |
2307 | struct ctf_clock *clock; | |
2308 | ||
2309 | clock = g_new0(struct ctf_clock, 1); | |
2310 | clock->name = g_quark_from_string("monotonic"); | |
2311 | clock->uuid = 0; | |
2312 | clock->description = g_strdup("Default clock"); | |
2313 | /* Default clock frequency is set to 1000000000 */ | |
2314 | clock->freq = 1000000000ULL; | |
2315 | clock->absolute = 0; /* Not an absolute reference across traces */ | |
2316 | ||
2317 | trace->single_clock = clock; | |
2318 | g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); | |
2319 | } | |
2320 | ||
50cb9c56 MD |
2321 | static |
2322 | void clock_free(gpointer data) | |
2323 | { | |
2324 | struct ctf_clock *clock = data; | |
2325 | ||
2326 | g_free(clock->description); | |
2327 | g_free(clock); | |
2328 | } | |
2329 | ||
cadd09e9 MD |
2330 | static |
2331 | int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node, | |
2332 | struct ctf_trace *trace) | |
2333 | { | |
2334 | int ret = 0; | |
2335 | struct ctf_tracer_env *env = &trace->env; | |
2336 | ||
2337 | switch (node->type) { | |
2338 | case NODE_CTF_EXPRESSION: | |
2339 | { | |
2340 | char *left; | |
2341 | ||
2342 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
2343 | if (!strcmp(left, "vpid")) { | |
2344 | uint64_t v; | |
2345 | ||
2346 | if (env->vpid != -1) { | |
2347 | fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__); | |
2348 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2349 | } | |
2350 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &v); | |
2351 | if (ret) { | |
2352 | fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__); | |
2353 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2354 | } | |
2355 | env->vpid = (int) v; | |
6070d2f1 | 2356 | printf_verbose("env.vpid = %d\n", env->vpid); |
cadd09e9 MD |
2357 | } else if (!strcmp(left, "procname")) { |
2358 | char *right; | |
2359 | ||
2360 | if (env->procname[0]) { | |
2361 | fprintf(fd, "[warning] %s: duplicated env procname\n", __func__); | |
2362 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2363 | } | |
2364 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2365 | if (!right) { | |
2366 | fprintf(fd, "[warning] %s: unexpected unary expression for env procname\n", __func__); | |
2367 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2368 | } | |
2369 | strncpy(env->procname, right, TRACER_ENV_LEN); | |
2370 | env->procname[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2371 | printf_verbose("env.procname = %s\n", env->procname); |
cadd09e9 MD |
2372 | } else if (!strcmp(left, "domain")) { |
2373 | char *right; | |
2374 | ||
2375 | if (env->domain[0]) { | |
2376 | fprintf(fd, "[warning] %s: duplicated env domain\n", __func__); | |
2377 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2378 | } | |
2379 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2380 | if (!right) { | |
2381 | fprintf(fd, "[warning] %s: unexpected unary expression for env domain\n", __func__); | |
2382 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2383 | } | |
2384 | strncpy(env->domain, right, TRACER_ENV_LEN); | |
2385 | env->domain[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2386 | printf_verbose("env.domain = %s\n", env->domain); |
cadd09e9 MD |
2387 | } else if (!strcmp(left, "sysname")) { |
2388 | char *right; | |
2389 | ||
2390 | if (env->sysname[0]) { | |
2391 | fprintf(fd, "[warning] %s: duplicated env sysname\n", __func__); | |
2392 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2393 | } | |
2394 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2395 | if (!right) { | |
2396 | fprintf(fd, "[warning] %s: unexpected unary expression for env sysname\n", __func__); | |
2397 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2398 | } | |
2399 | strncpy(env->sysname, right, TRACER_ENV_LEN); | |
2400 | env->sysname[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2401 | printf_verbose("env.sysname = %s\n", env->sysname); |
cadd09e9 MD |
2402 | } else if (!strcmp(left, "release")) { |
2403 | char *right; | |
2404 | ||
2405 | if (env->release[0]) { | |
2406 | fprintf(fd, "[warning] %s: duplicated env release\n", __func__); | |
2407 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2408 | } | |
2409 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2410 | if (!right) { | |
2411 | fprintf(fd, "[warning] %s: unexpected unary expression for env release\n", __func__); | |
2412 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2413 | } | |
2414 | strncpy(env->release, right, TRACER_ENV_LEN); | |
2415 | env->release[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2416 | printf_verbose("env.release = %s\n", env->release); |
cadd09e9 MD |
2417 | } else if (!strcmp(left, "version")) { |
2418 | char *right; | |
2419 | ||
2420 | if (env->version[0]) { | |
2421 | fprintf(fd, "[warning] %s: duplicated env version\n", __func__); | |
2422 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2423 | } | |
2424 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2425 | if (!right) { | |
2426 | fprintf(fd, "[warning] %s: unexpected unary expression for env version\n", __func__); | |
2427 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2428 | } | |
2429 | strncpy(env->version, right, TRACER_ENV_LEN); | |
2430 | env->version[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2431 | printf_verbose("env.version = %s\n", env->version); |
cadd09e9 MD |
2432 | } else { |
2433 | printf_verbose("%s: attribute \"%s\" is unknown in environment declaration.\n", __func__, left); | |
2434 | } | |
2435 | ||
2436 | error: | |
2437 | g_free(left); | |
2438 | break; | |
2439 | } | |
2440 | default: | |
2441 | return -EPERM; | |
2442 | } | |
2443 | ||
2444 | return ret; | |
2445 | } | |
2446 | ||
e2c76a4d MD |
2447 | static |
2448 | int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2449 | { | |
cadd09e9 MD |
2450 | int ret = 0; |
2451 | struct ctf_node *iter; | |
2452 | ||
2453 | trace->env.vpid = -1; | |
2454 | trace->env.procname[0] = '\0'; | |
2455 | trace->env.domain[0] = '\0'; | |
2456 | trace->env.sysname[0] = '\0'; | |
2457 | trace->env.release[0] = '\0'; | |
2458 | trace->env.version[0] = '\0'; | |
2459 | cds_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) { | |
2460 | ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace); | |
2461 | if (ret) | |
2462 | goto error; | |
2463 | } | |
2464 | error: | |
2465 | return 0; | |
e2c76a4d MD |
2466 | } |
2467 | ||
78af2bcd MD |
2468 | static |
2469 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2470 | { | |
2471 | int ret = 0; | |
2472 | ||
2473 | switch (node->type) { | |
2474 | case NODE_TYPEDEF: | |
2475 | ret = ctf_typedef_visit(fd, depth + 1, | |
2476 | trace->root_declaration_scope, | |
2477 | node->u._typedef.type_specifier_list, | |
2478 | &node->u._typedef.type_declarators, | |
2479 | trace); | |
2480 | if (ret) | |
2481 | return ret; | |
2482 | break; | |
2483 | case NODE_TYPEALIAS: | |
2484 | ret = ctf_typealias_visit(fd, depth + 1, | |
2485 | trace->root_declaration_scope, | |
2486 | node->u.typealias.target, node->u.typealias.alias, | |
2487 | trace); | |
2488 | if (ret) | |
2489 | return ret; | |
2490 | break; | |
2491 | case NODE_TYPE_SPECIFIER_LIST: | |
2492 | { | |
2493 | struct declaration *declaration; | |
2494 | ||
2495 | /* | |
2496 | * Just add the type specifier to the root scope | |
2497 | * declaration scope. Release local reference. | |
2498 | */ | |
2499 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2500 | node, trace->root_declaration_scope, trace); | |
2501 | if (!declaration) | |
2502 | return -ENOMEM; | |
2503 | declaration_unref(declaration); | |
2504 | break; | |
2505 | } | |
2506 | default: | |
2507 | return -EPERM; | |
2508 | } | |
2509 | ||
2510 | return 0; | |
2511 | } | |
2512 | ||
50cb9c56 | 2513 | /* TODO: missing metadata "destroy" (memory leak) */ |
ab4cf058 MD |
2514 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2515 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2516 | { |
2517 | int ret = 0; | |
2518 | struct ctf_node *iter; | |
e2c76a4d | 2519 | int env_clock_done = 0; |
05628561 | 2520 | |
c8b219a3 | 2521 | printf_verbose("CTF visitor: metadata construction... "); |
ab4cf058 | 2522 | trace->byte_order = byte_order; |
50cb9c56 MD |
2523 | trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal, |
2524 | NULL, clock_free); | |
ab4cf058 | 2525 | |
00f7c1a5 MD |
2526 | retry: |
2527 | trace->root_declaration_scope = new_declaration_scope(NULL); | |
2528 | ||
05628561 MD |
2529 | switch (node->type) { |
2530 | case NODE_ROOT: | |
e2c76a4d | 2531 | if (!env_clock_done) { |
56e60373 MD |
2532 | /* |
2533 | * declarations need to query clock hash table, | |
2534 | * so clock need to be treated first. | |
2535 | */ | |
f57447bd JN |
2536 | if (cds_list_empty(&node->u.root.clock)) { |
2537 | ctf_clock_default(fd, depth + 1, trace); | |
2538 | } else { | |
2539 | cds_list_for_each_entry(iter, &node->u.root.clock, siblings) { | |
2540 | ret = ctf_clock_visit(fd, depth + 1, iter, | |
2541 | trace); | |
2542 | if (ret) { | |
2543 | fprintf(fd, "[error] %s: clock declaration error\n", __func__); | |
2544 | goto error; | |
2545 | } | |
56e60373 MD |
2546 | } |
2547 | } | |
e2c76a4d | 2548 | env_clock_done = 1; |
56e60373 | 2549 | } |
3e11b713 | 2550 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2551 | siblings) { |
78af2bcd | 2552 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2553 | if (ret) { |
2554 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
a0fe7d97 | 2555 | goto error; |
427c09b7 | 2556 | } |
05628561 MD |
2557 | } |
2558 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2559 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
00f7c1a5 MD |
2560 | if (ret == -EINTR) { |
2561 | free_declaration_scope(trace->root_declaration_scope); | |
2562 | /* | |
2563 | * Need to restart creation of type | |
2564 | * definitions, aliases and | |
2565 | * trace header declarations. | |
2566 | */ | |
2567 | goto retry; | |
2568 | } | |
427c09b7 MD |
2569 | if (ret) { |
2570 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
a0fe7d97 | 2571 | goto error; |
427c09b7 | 2572 | } |
05628561 | 2573 | } |
5039b4cc MD |
2574 | if (!trace->streams) { |
2575 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
a0fe7d97 MD |
2576 | ret = -EINVAL; |
2577 | goto error; | |
5039b4cc | 2578 | } |
cadd09e9 MD |
2579 | cds_list_for_each_entry(iter, &node->u.root.env, siblings) { |
2580 | ret = ctf_env_visit(fd, depth + 1, iter, trace); | |
2581 | if (ret) { | |
2582 | fprintf(fd, "[error] %s: env declaration error\n", __func__); | |
2583 | goto error; | |
2584 | } | |
2585 | } | |
05628561 MD |
2586 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2587 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2588 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2589 | if (ret) { |
2590 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
a0fe7d97 | 2591 | goto error; |
427c09b7 | 2592 | } |
05628561 MD |
2593 | } |
2594 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2595 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2596 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2597 | if (ret) { |
2598 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
a0fe7d97 | 2599 | goto error; |
427c09b7 | 2600 | } |
05628561 MD |
2601 | } |
2602 | break; | |
05628561 MD |
2603 | case NODE_UNKNOWN: |
2604 | default: | |
78af2bcd | 2605 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 | 2606 | (int) node->type); |
a0fe7d97 MD |
2607 | ret = -EINVAL; |
2608 | goto error; | |
05628561 | 2609 | } |
c8b219a3 | 2610 | printf_verbose("done.\n"); |
05628561 | 2611 | return ret; |
a0fe7d97 MD |
2612 | |
2613 | error: | |
2614 | free_declaration_scope(trace->root_declaration_scope); | |
50cb9c56 | 2615 | g_hash_table_destroy(trace->clocks); |
a0fe7d97 | 2616 | return ret; |
05628561 | 2617 | } |