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 | |
82ace6d6 MD |
42 | int opt_clock_force_correlate; |
43 | ||
a3cca9e9 | 44 | static |
78af2bcd MD |
45 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
46 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
47 | struct declaration_scope *declaration_scope, |
48 | struct ctf_trace *trace); | |
a3cca9e9 | 49 | |
33105c61 MD |
50 | static |
51 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
52 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace); | |
53 | ||
05628561 | 54 | /* |
41253107 | 55 | * String returned must be freed by the caller using g_free. |
05628561 MD |
56 | */ |
57 | static | |
add40b62 | 58 | char *concatenate_unary_strings(struct cds_list_head *head) |
05628561 | 59 | { |
41253107 MD |
60 | struct ctf_node *node; |
61 | GString *str; | |
62 | int i = 0; | |
63 | ||
a0720417 | 64 | str = g_string_new(""); |
41253107 MD |
65 | cds_list_for_each_entry(node, head, siblings) { |
66 | char *src_string; | |
67 | ||
68 | assert(node->type == NODE_UNARY_EXPRESSION); | |
69 | assert(node->u.unary_expression.type == UNARY_STRING); | |
70 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
a0720417 | 71 | ^ (i != 0)); |
41253107 MD |
72 | switch (node->u.unary_expression.link) { |
73 | case UNARY_DOTLINK: | |
a0720417 | 74 | g_string_append(str, "."); |
41253107 MD |
75 | break; |
76 | case UNARY_ARROWLINK: | |
a0720417 | 77 | g_string_append(str, "->"); |
41253107 MD |
78 | break; |
79 | case UNARY_DOTDOTDOT: | |
a0720417 MD |
80 | g_string_append(str, "..."); |
81 | break; | |
82 | default: | |
41253107 MD |
83 | break; |
84 | } | |
a0720417 | 85 | src_string = node->u.unary_expression.u.string; |
41253107 MD |
86 | g_string_append(str, src_string); |
87 | i++; | |
88 | } | |
89 | return g_string_free(str, FALSE); | |
05628561 MD |
90 | } |
91 | ||
56e60373 MD |
92 | static |
93 | GQuark get_map_clock_name_value(struct cds_list_head *head) | |
94 | { | |
95 | struct ctf_node *node; | |
96 | const char *name = NULL; | |
97 | int i = 0; | |
98 | ||
99 | cds_list_for_each_entry(node, head, siblings) { | |
100 | char *src_string; | |
101 | ||
102 | assert(node->type == NODE_UNARY_EXPRESSION); | |
103 | assert(node->u.unary_expression.type == UNARY_STRING); | |
104 | assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN) | |
105 | ^ (i != 0)); | |
106 | /* needs to be chained with . */ | |
107 | switch (node->u.unary_expression.link) { | |
108 | case UNARY_DOTLINK: | |
109 | break; | |
110 | case UNARY_ARROWLINK: | |
111 | case UNARY_DOTDOTDOT: | |
112 | return 0; | |
113 | default: | |
114 | break; | |
115 | } | |
116 | src_string = node->u.unary_expression.u.string; | |
117 | switch (i) { | |
118 | case 0: if (strcmp("clock", src_string) != 0) { | |
119 | return 0; | |
120 | } | |
121 | break; | |
122 | case 1: name = src_string; | |
123 | break; | |
124 | case 2: if (strcmp("value", src_string) != 0) { | |
125 | return 0; | |
126 | } | |
127 | break; | |
128 | default: | |
129 | return 0; /* extra identifier, unknown */ | |
130 | } | |
131 | i++; | |
132 | } | |
133 | return g_quark_from_string(name); | |
134 | } | |
135 | ||
05628561 | 136 | static |
add40b62 | 137 | int get_unary_unsigned(struct cds_list_head *head, uint64_t *value) |
05628561 | 138 | { |
41253107 MD |
139 | struct ctf_node *node; |
140 | int i = 0; | |
141 | ||
142 | cds_list_for_each_entry(node, head, siblings) { | |
143 | assert(node->type == NODE_UNARY_EXPRESSION); | |
144 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT); | |
145 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
146 | assert(i == 0); | |
a0720417 | 147 | *value = node->u.unary_expression.u.unsigned_constant; |
41253107 MD |
148 | i++; |
149 | } | |
150 | return 0; | |
05628561 MD |
151 | } |
152 | ||
d86d62f8 MD |
153 | static |
154 | int get_unary_signed(struct cds_list_head *head, int64_t *value) | |
155 | { | |
156 | struct ctf_node *node; | |
157 | int i = 0; | |
158 | ||
159 | cds_list_for_each_entry(node, head, siblings) { | |
160 | assert(node->type == NODE_UNARY_EXPRESSION); | |
209209be MD |
161 | assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT |
162 | || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT); | |
d86d62f8 MD |
163 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); |
164 | assert(i == 0); | |
209209be MD |
165 | switch (node->u.unary_expression.type) { |
166 | case UNARY_UNSIGNED_CONSTANT: | |
167 | *value = (int64_t) node->u.unary_expression.u.unsigned_constant; | |
168 | break; | |
169 | case UNARY_SIGNED_CONSTANT: | |
170 | *value = node->u.unary_expression.u.signed_constant; | |
171 | break; | |
172 | default: | |
173 | assert(0); | |
174 | } | |
d86d62f8 MD |
175 | i++; |
176 | } | |
177 | return 0; | |
178 | } | |
179 | ||
05628561 | 180 | static |
add40b62 | 181 | int get_unary_uuid(struct cds_list_head *head, uuid_t *uuid) |
05628561 | 182 | { |
41253107 MD |
183 | struct ctf_node *node; |
184 | int i = 0; | |
185 | int ret = -1; | |
186 | ||
187 | cds_list_for_each_entry(node, head, siblings) { | |
188 | const char *src_string; | |
189 | ||
190 | assert(node->type == NODE_UNARY_EXPRESSION); | |
191 | assert(node->u.unary_expression.type == UNARY_STRING); | |
192 | assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN); | |
193 | assert(i == 0); | |
a0720417 | 194 | src_string = node->u.unary_expression.u.string; |
5c551b40 | 195 | ret = uuid_parse(src_string, *uuid); |
41253107 MD |
196 | } |
197 | return ret; | |
05628561 MD |
198 | } |
199 | ||
200 | static | |
aa6bffae | 201 | struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id) |
05628561 MD |
202 | { |
203 | if (trace->streams->len <= stream_id) | |
204 | return NULL; | |
205 | return g_ptr_array_index(trace->streams, stream_id); | |
206 | } | |
207 | ||
56e60373 MD |
208 | static |
209 | struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name) | |
210 | { | |
211 | return g_hash_table_lookup(trace->clocks, (gpointer) (unsigned long) clock_name); | |
212 | } | |
213 | ||
add40b62 | 214 | static |
78af2bcd MD |
215 | int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str) |
216 | { | |
217 | assert(type_specifier->type == NODE_TYPE_SPECIFIER); | |
218 | ||
219 | switch (type_specifier->u.type_specifier.type) { | |
220 | case TYPESPEC_VOID: | |
221 | g_string_append(str, "void"); | |
222 | break; | |
223 | case TYPESPEC_CHAR: | |
224 | g_string_append(str, "char"); | |
225 | break; | |
226 | case TYPESPEC_SHORT: | |
227 | g_string_append(str, "short"); | |
228 | break; | |
229 | case TYPESPEC_INT: | |
230 | g_string_append(str, "int"); | |
231 | break; | |
232 | case TYPESPEC_LONG: | |
233 | g_string_append(str, "long"); | |
234 | break; | |
235 | case TYPESPEC_FLOAT: | |
236 | g_string_append(str, "float"); | |
237 | break; | |
238 | case TYPESPEC_DOUBLE: | |
239 | g_string_append(str, "double"); | |
240 | break; | |
241 | case TYPESPEC_SIGNED: | |
242 | g_string_append(str, "signed"); | |
243 | break; | |
244 | case TYPESPEC_UNSIGNED: | |
245 | g_string_append(str, "unsigned"); | |
246 | break; | |
247 | case TYPESPEC_BOOL: | |
248 | g_string_append(str, "bool"); | |
249 | break; | |
250 | case TYPESPEC_COMPLEX: | |
251 | g_string_append(str, "_Complex"); | |
252 | break; | |
253 | case TYPESPEC_IMAGINARY: | |
254 | g_string_append(str, "_Imaginary"); | |
255 | break; | |
256 | case TYPESPEC_CONST: | |
257 | g_string_append(str, "const"); | |
258 | break; | |
259 | case TYPESPEC_ID_TYPE: | |
260 | if (type_specifier->u.type_specifier.id_type) | |
261 | g_string_append(str, type_specifier->u.type_specifier.id_type); | |
262 | break; | |
263 | case TYPESPEC_STRUCT: | |
264 | { | |
265 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
266 | ||
267 | if (!node->u._struct.name) { | |
268 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
269 | return -EINVAL; | |
270 | } | |
271 | g_string_append(str, "struct "); | |
272 | g_string_append(str, node->u._struct.name); | |
273 | break; | |
274 | } | |
275 | case TYPESPEC_VARIANT: | |
276 | { | |
277 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
278 | ||
279 | if (!node->u.variant.name) { | |
280 | fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__); | |
281 | return -EINVAL; | |
282 | } | |
283 | g_string_append(str, "variant "); | |
284 | g_string_append(str, node->u.variant.name); | |
285 | break; | |
286 | } | |
287 | case TYPESPEC_ENUM: | |
288 | { | |
289 | struct ctf_node *node = type_specifier->u.type_specifier.node; | |
290 | ||
291 | if (!node->u._enum.enum_id) { | |
292 | fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__); | |
293 | return -EINVAL; | |
294 | } | |
295 | g_string_append(str, "enum "); | |
296 | g_string_append(str, node->u._enum.enum_id); | |
297 | break; | |
298 | } | |
299 | case TYPESPEC_FLOATING_POINT: | |
300 | case TYPESPEC_INTEGER: | |
301 | case TYPESPEC_STRING: | |
302 | default: | |
303 | fprintf(fd, "[error] %s: unknown specifier\n", __func__); | |
304 | return -EINVAL; | |
305 | } | |
306 | return 0; | |
307 | } | |
308 | ||
309 | static | |
310 | int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str) | |
add40b62 MD |
311 | { |
312 | struct ctf_node *iter; | |
313 | int alias_item_nr = 0; | |
78af2bcd | 314 | int ret; |
add40b62 | 315 | |
78af2bcd | 316 | cds_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) { |
add40b62 MD |
317 | if (alias_item_nr != 0) |
318 | g_string_append(str, " "); | |
319 | alias_item_nr++; | |
78af2bcd MD |
320 | ret = visit_type_specifier(fd, iter, str); |
321 | if (ret) | |
322 | return ret; | |
add40b62 MD |
323 | } |
324 | return 0; | |
add40b62 MD |
325 | } |
326 | ||
327 | static | |
8fdba45b | 328 | GQuark create_typealias_identifier(FILE *fd, int depth, |
78af2bcd | 329 | struct ctf_node *type_specifier_list, |
add40b62 MD |
330 | struct ctf_node *node_type_declarator) |
331 | { | |
a0720417 | 332 | struct ctf_node *iter; |
add40b62 | 333 | GString *str; |
a0720417 | 334 | char *str_c; |
add40b62 MD |
335 | GQuark alias_q; |
336 | int ret; | |
337 | ||
a0720417 | 338 | str = g_string_new(""); |
78af2bcd | 339 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
340 | if (ret) { |
341 | g_string_free(str, TRUE); | |
342 | return 0; | |
343 | } | |
344 | cds_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) { | |
345 | g_string_append(str, " *"); | |
346 | if (iter->u.pointer.const_qualifier) | |
347 | g_string_append(str, " const"); | |
348 | } | |
349 | str_c = g_string_free(str, FALSE); | |
350 | alias_q = g_quark_from_string(str_c); | |
351 | g_free(str_c); | |
352 | return alias_q; | |
353 | } | |
354 | ||
a3cca9e9 | 355 | static |
8fdba45b | 356 | struct declaration *ctf_type_declarator_visit(FILE *fd, int depth, |
78af2bcd | 357 | struct ctf_node *type_specifier_list, |
a3cca9e9 MD |
358 | GQuark *field_name, |
359 | struct ctf_node *node_type_declarator, | |
add40b62 | 360 | struct declaration_scope *declaration_scope, |
e397791f MD |
361 | struct declaration *nested_declaration, |
362 | struct ctf_trace *trace) | |
a3cca9e9 MD |
363 | { |
364 | /* | |
365 | * Visit type declarator by first taking care of sequence/array | |
366 | * (recursively). Then, when we get to the identifier, take care | |
367 | * of pointers. | |
368 | */ | |
369 | ||
e397791f MD |
370 | if (node_type_declarator) { |
371 | assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN); | |
add40b62 | 372 | |
e397791f MD |
373 | /* TODO: gcc bitfields not supported yet. */ |
374 | if (node_type_declarator->u.type_declarator.bitfield_len != NULL) { | |
78af2bcd | 375 | fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__); |
e397791f MD |
376 | return NULL; |
377 | } | |
add40b62 | 378 | } |
a3cca9e9 MD |
379 | |
380 | if (!nested_declaration) { | |
e397791f | 381 | if (node_type_declarator && !cds_list_empty(&node_type_declarator->u.type_declarator.pointers)) { |
add40b62 MD |
382 | GQuark alias_q; |
383 | ||
a3cca9e9 MD |
384 | /* |
385 | * If we have a pointer declarator, it _has_ to be present in | |
386 | * the typealiases (else fail). | |
387 | */ | |
add40b62 | 388 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 389 | type_specifier_list, node_type_declarator); |
add40b62 MD |
390 | nested_declaration = lookup_declaration(alias_q, declaration_scope); |
391 | if (!nested_declaration) { | |
78af2bcd | 392 | fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q)); |
add40b62 MD |
393 | return NULL; |
394 | } | |
4d5fc303 MD |
395 | if (nested_declaration->id == CTF_TYPE_INTEGER) { |
396 | struct declaration_integer *integer_declaration = | |
397 | container_of(nested_declaration, struct declaration_integer, p); | |
398 | /* For base to 16 for pointers (expected pretty-print) */ | |
2527e149 MD |
399 | if (!integer_declaration->base) { |
400 | /* | |
401 | * We need to do a copy of the | |
402 | * integer declaration to modify it. There could be other references to | |
403 | * it. | |
404 | */ | |
405 | integer_declaration = integer_declaration_new(integer_declaration->len, | |
406 | integer_declaration->byte_order, integer_declaration->signedness, | |
56e60373 MD |
407 | integer_declaration->p.alignment, 16, integer_declaration->encoding, |
408 | integer_declaration->clock); | |
2527e149 MD |
409 | nested_declaration = &integer_declaration->p; |
410 | } | |
4d5fc303 | 411 | } |
a3cca9e9 | 412 | } else { |
78af2bcd MD |
413 | nested_declaration = ctf_type_specifier_list_visit(fd, depth, |
414 | type_specifier_list, declaration_scope, trace); | |
a3cca9e9 | 415 | } |
a3cca9e9 MD |
416 | } |
417 | ||
e397791f MD |
418 | if (!node_type_declarator) |
419 | return nested_declaration; | |
420 | ||
a3cca9e9 MD |
421 | if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) { |
422 | if (node_type_declarator->u.type_declarator.u.id) | |
423 | *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id); | |
424 | else | |
425 | *field_name = 0; | |
426 | return nested_declaration; | |
427 | } else { | |
428 | struct declaration *declaration; | |
98df1c9f | 429 | struct ctf_node *first; |
a3cca9e9 MD |
430 | |
431 | /* TYPEDEC_NESTED */ | |
432 | ||
b5bf4179 MD |
433 | if (!nested_declaration) { |
434 | fprintf(fd, "[error] %s: nested type is unknown.\n", __func__); | |
435 | return NULL; | |
436 | } | |
437 | ||
a3cca9e9 | 438 | /* create array/sequence, pass nested_declaration as child. */ |
98df1c9f MD |
439 | if (cds_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) { |
440 | fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__); | |
a0720417 MD |
441 | return NULL; |
442 | } | |
98df1c9f MD |
443 | first = _cds_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length, |
444 | struct ctf_node, siblings); | |
445 | assert(first->type == NODE_UNARY_EXPRESSION); | |
446 | ||
447 | switch (first->u.unary_expression.type) { | |
448 | case UNARY_UNSIGNED_CONSTANT: | |
a0720417 MD |
449 | { |
450 | struct declaration_array *array_declaration; | |
451 | size_t len; | |
452 | ||
98df1c9f | 453 | len = first->u.unary_expression.u.unsigned_constant; |
a0720417 MD |
454 | array_declaration = array_declaration_new(len, nested_declaration, |
455 | declaration_scope); | |
98df1c9f MD |
456 | |
457 | if (!array_declaration) { | |
458 | fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__); | |
459 | return NULL; | |
460 | } | |
a0720417 MD |
461 | declaration = &array_declaration->p; |
462 | break; | |
463 | } | |
98df1c9f | 464 | case UNARY_STRING: |
a0720417 | 465 | { |
98df1c9f MD |
466 | /* Lookup unsigned integer definition, create sequence */ |
467 | char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length); | |
a0720417 | 468 | struct declaration_sequence *sequence_declaration; |
a0720417 | 469 | |
98df1c9f MD |
470 | sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope); |
471 | if (!sequence_declaration) { | |
472 | fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__); | |
2dd46001 MD |
473 | return NULL; |
474 | } | |
a0720417 MD |
475 | declaration = &sequence_declaration->p; |
476 | break; | |
477 | } | |
478 | default: | |
479 | assert(0); | |
a3cca9e9 MD |
480 | } |
481 | ||
482 | /* Pass it as content of outer container */ | |
483 | declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 484 | type_specifier_list, field_name, |
a3cca9e9 | 485 | node_type_declarator->u.type_declarator.u.nested.type_declarator, |
e397791f | 486 | declaration_scope, declaration, trace); |
a3cca9e9 MD |
487 | return declaration; |
488 | } | |
489 | } | |
490 | ||
491 | static | |
8fdba45b | 492 | int ctf_struct_type_declarators_visit(FILE *fd, int depth, |
a3cca9e9 | 493 | struct declaration_struct *struct_declaration, |
78af2bcd | 494 | struct ctf_node *type_specifier_list, |
a3cca9e9 | 495 | struct cds_list_head *type_declarators, |
e397791f MD |
496 | struct declaration_scope *declaration_scope, |
497 | struct ctf_trace *trace) | |
a3cca9e9 MD |
498 | { |
499 | struct ctf_node *iter; | |
500 | GQuark field_name; | |
501 | ||
502 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
503 | struct declaration *field_declaration; | |
504 | ||
505 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 506 | type_specifier_list, |
a3cca9e9 MD |
507 | &field_name, iter, |
508 | struct_declaration->scope, | |
e397791f | 509 | NULL, trace); |
2dd46001 MD |
510 | if (!field_declaration) { |
511 | fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__); | |
512 | return -EINVAL; | |
513 | } | |
d3006d91 SM |
514 | |
515 | /* Check if field with same name already exists */ | |
516 | if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) { | |
517 | fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name)); | |
518 | return -EINVAL; | |
519 | } | |
520 | ||
a3cca9e9 MD |
521 | struct_declaration_add_field(struct_declaration, |
522 | g_quark_to_string(field_name), | |
523 | field_declaration); | |
524 | } | |
add40b62 MD |
525 | return 0; |
526 | } | |
a3cca9e9 | 527 | |
add40b62 | 528 | static |
8fdba45b | 529 | int ctf_variant_type_declarators_visit(FILE *fd, int depth, |
a0720417 | 530 | struct declaration_untagged_variant *untagged_variant_declaration, |
78af2bcd | 531 | struct ctf_node *type_specifier_list, |
add40b62 | 532 | struct cds_list_head *type_declarators, |
e397791f MD |
533 | struct declaration_scope *declaration_scope, |
534 | struct ctf_trace *trace) | |
add40b62 MD |
535 | { |
536 | struct ctf_node *iter; | |
537 | GQuark field_name; | |
538 | ||
539 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
540 | struct declaration *field_declaration; | |
541 | ||
542 | field_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 543 | type_specifier_list, |
add40b62 | 544 | &field_name, iter, |
a0720417 | 545 | untagged_variant_declaration->scope, |
e397791f | 546 | NULL, trace); |
2dd46001 MD |
547 | if (!field_declaration) { |
548 | fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__); | |
549 | return -EINVAL; | |
550 | } | |
43f9090c SM |
551 | |
552 | if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) { | |
553 | fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name)); | |
554 | return -EINVAL; | |
555 | } | |
556 | ||
557 | ||
a0720417 | 558 | untagged_variant_declaration_add_field(untagged_variant_declaration, |
add40b62 MD |
559 | g_quark_to_string(field_name), |
560 | field_declaration); | |
561 | } | |
a3cca9e9 MD |
562 | return 0; |
563 | } | |
564 | ||
565 | static | |
8fdba45b | 566 | int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope, |
78af2bcd | 567 | struct ctf_node *type_specifier_list, |
e397791f MD |
568 | struct cds_list_head *type_declarators, |
569 | struct ctf_trace *trace) | |
a3cca9e9 MD |
570 | { |
571 | struct ctf_node *iter; | |
572 | GQuark identifier; | |
573 | ||
574 | cds_list_for_each_entry(iter, type_declarators, siblings) { | |
575 | struct declaration *type_declaration; | |
576 | int ret; | |
577 | ||
578 | type_declaration = ctf_type_declarator_visit(fd, depth, | |
78af2bcd | 579 | type_specifier_list, |
a3cca9e9 | 580 | &identifier, iter, |
e397791f | 581 | scope, NULL, trace); |
2dd46001 MD |
582 | if (!type_declaration) { |
583 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); | |
584 | return -EINVAL; | |
585 | } | |
586 | /* | |
587 | * Don't allow typedef and typealias of untagged | |
588 | * variants. | |
589 | */ | |
590 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
591 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
592 | declaration_unref(type_declaration); | |
593 | return -EPERM; | |
594 | } | |
a3cca9e9 MD |
595 | ret = register_declaration(identifier, type_declaration, scope); |
596 | if (ret) { | |
597 | type_declaration->declaration_free(type_declaration); | |
598 | return ret; | |
599 | } | |
600 | } | |
601 | return 0; | |
602 | } | |
603 | ||
604 | static | |
8fdba45b | 605 | int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope, |
e397791f MD |
606 | struct ctf_node *target, struct ctf_node *alias, |
607 | struct ctf_trace *trace) | |
a3cca9e9 MD |
608 | { |
609 | struct declaration *type_declaration; | |
a0720417 | 610 | struct ctf_node *node; |
add40b62 | 611 | GQuark dummy_id; |
a3cca9e9 | 612 | GQuark alias_q; |
a0720417 | 613 | int err; |
a3cca9e9 MD |
614 | |
615 | /* See ctf_visitor_type_declarator() in the semantic validator. */ | |
616 | ||
617 | /* | |
618 | * Create target type declaration. | |
619 | */ | |
620 | ||
427c09b7 | 621 | if (cds_list_empty(&target->u.typealias_target.type_declarators)) |
a0720417 MD |
622 | node = NULL; |
623 | else | |
427c09b7 | 624 | node = _cds_list_first_entry(&target->u.typealias_target.type_declarators, |
a0720417 | 625 | struct ctf_node, siblings); |
a3cca9e9 | 626 | type_declaration = ctf_type_declarator_visit(fd, depth, |
78af2bcd | 627 | target->u.typealias_target.type_specifier_list, |
a0720417 | 628 | &dummy_id, node, |
e397791f | 629 | scope, NULL, trace); |
a3cca9e9 | 630 | if (!type_declaration) { |
78af2bcd | 631 | fprintf(fd, "[error] %s: problem creating type declaration\n", __func__); |
a3cca9e9 MD |
632 | err = -EINVAL; |
633 | goto error; | |
634 | } | |
2dd46001 MD |
635 | /* |
636 | * Don't allow typedef and typealias of untagged | |
637 | * variants. | |
638 | */ | |
639 | if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) { | |
640 | fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__); | |
641 | declaration_unref(type_declaration); | |
642 | return -EPERM; | |
643 | } | |
a3cca9e9 MD |
644 | /* |
645 | * The semantic validator does not check whether the target is | |
646 | * abstract or not (if it has an identifier). Check it here. | |
647 | */ | |
648 | if (dummy_id != 0) { | |
78af2bcd | 649 | fprintf(fd, "[error] %s: expecting empty identifier\n", __func__); |
a3cca9e9 MD |
650 | err = -EINVAL; |
651 | goto error; | |
652 | } | |
653 | /* | |
654 | * Create alias identifier. | |
655 | */ | |
a3cca9e9 MD |
656 | |
657 | node = _cds_list_first_entry(&alias->u.typealias_alias.type_declarators, | |
a0720417 | 658 | struct ctf_node, siblings); |
add40b62 | 659 | alias_q = create_typealias_identifier(fd, depth, |
78af2bcd | 660 | alias->u.typealias_alias.type_specifier_list, node); |
a0720417 MD |
661 | err = register_declaration(alias_q, type_declaration, scope); |
662 | if (err) | |
a3cca9e9 MD |
663 | goto error; |
664 | return 0; | |
665 | ||
666 | error: | |
230da743 SM |
667 | if (type_declaration) { |
668 | type_declaration->declaration_free(type_declaration); | |
669 | } | |
a0720417 | 670 | return err; |
a3cca9e9 MD |
671 | } |
672 | ||
673 | static | |
8fdba45b | 674 | int ctf_struct_declaration_list_visit(FILE *fd, int depth, |
e397791f MD |
675 | struct ctf_node *iter, struct declaration_struct *struct_declaration, |
676 | struct ctf_trace *trace) | |
a3cca9e9 | 677 | { |
a3cca9e9 MD |
678 | int ret; |
679 | ||
680 | switch (iter->type) { | |
681 | case NODE_TYPEDEF: | |
682 | /* For each declarator, declare type and add type to struct declaration scope */ | |
683 | ret = ctf_typedef_visit(fd, depth, | |
684 | struct_declaration->scope, | |
78af2bcd | 685 | iter->u._typedef.type_specifier_list, |
e397791f | 686 | &iter->u._typedef.type_declarators, trace); |
a3cca9e9 MD |
687 | if (ret) |
688 | return ret; | |
689 | break; | |
690 | case NODE_TYPEALIAS: | |
691 | /* Declare type with declarator and add type to struct declaration scope */ | |
692 | ret = ctf_typealias_visit(fd, depth, | |
693 | struct_declaration->scope, | |
694 | iter->u.typealias.target, | |
e397791f | 695 | iter->u.typealias.alias, trace); |
a3cca9e9 MD |
696 | if (ret) |
697 | return ret; | |
698 | break; | |
699 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
700 | /* Add field to structure declaration */ | |
701 | ret = ctf_struct_type_declarators_visit(fd, depth, | |
702 | struct_declaration, | |
78af2bcd | 703 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
704 | &iter->u.struct_or_variant_declaration.type_declarators, |
705 | struct_declaration->scope, trace); | |
a3cca9e9 MD |
706 | if (ret) |
707 | return ret; | |
708 | break; | |
709 | default: | |
78af2bcd | 710 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
a3cca9e9 MD |
711 | assert(0); |
712 | } | |
713 | return 0; | |
714 | } | |
715 | ||
add40b62 | 716 | static |
8fdba45b | 717 | int ctf_variant_declaration_list_visit(FILE *fd, int depth, |
a0720417 MD |
718 | struct ctf_node *iter, |
719 | struct declaration_untagged_variant *untagged_variant_declaration, | |
e397791f | 720 | struct ctf_trace *trace) |
add40b62 | 721 | { |
add40b62 MD |
722 | int ret; |
723 | ||
724 | switch (iter->type) { | |
725 | case NODE_TYPEDEF: | |
726 | /* For each declarator, declare type and add type to variant declaration scope */ | |
727 | ret = ctf_typedef_visit(fd, depth, | |
a0720417 | 728 | untagged_variant_declaration->scope, |
78af2bcd | 729 | iter->u._typedef.type_specifier_list, |
e397791f | 730 | &iter->u._typedef.type_declarators, trace); |
add40b62 MD |
731 | if (ret) |
732 | return ret; | |
733 | break; | |
734 | case NODE_TYPEALIAS: | |
735 | /* Declare type with declarator and add type to variant declaration scope */ | |
736 | ret = ctf_typealias_visit(fd, depth, | |
a0720417 | 737 | untagged_variant_declaration->scope, |
add40b62 | 738 | iter->u.typealias.target, |
e397791f | 739 | iter->u.typealias.alias, trace); |
add40b62 MD |
740 | if (ret) |
741 | return ret; | |
742 | break; | |
743 | case NODE_STRUCT_OR_VARIANT_DECLARATION: | |
744 | /* Add field to structure declaration */ | |
745 | ret = ctf_variant_type_declarators_visit(fd, depth, | |
a0720417 | 746 | untagged_variant_declaration, |
78af2bcd | 747 | iter->u.struct_or_variant_declaration.type_specifier_list, |
a0720417 MD |
748 | &iter->u.struct_or_variant_declaration.type_declarators, |
749 | untagged_variant_declaration->scope, trace); | |
add40b62 MD |
750 | if (ret) |
751 | return ret; | |
752 | break; | |
753 | default: | |
78af2bcd | 754 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type); |
add40b62 MD |
755 | assert(0); |
756 | } | |
757 | return 0; | |
758 | } | |
759 | ||
a3cca9e9 | 760 | static |
a0720417 | 761 | struct declaration *ctf_declaration_struct_visit(FILE *fd, |
a3cca9e9 | 762 | int depth, const char *name, struct cds_list_head *declaration_list, |
b7e35bad MD |
763 | int has_body, struct cds_list_head *min_align, |
764 | struct declaration_scope *declaration_scope, | |
e397791f | 765 | struct ctf_trace *trace) |
a3cca9e9 | 766 | { |
a3cca9e9 MD |
767 | struct declaration_struct *struct_declaration; |
768 | struct ctf_node *iter; | |
a0720417 | 769 | int ret; |
a3cca9e9 MD |
770 | |
771 | /* | |
772 | * For named struct (without body), lookup in | |
773 | * declaration scope. Don't take reference on struct | |
774 | * declaration: ref is only taken upon definition. | |
775 | */ | |
776 | if (!has_body) { | |
777 | assert(name); | |
778 | struct_declaration = | |
779 | lookup_struct_declaration(g_quark_from_string(name), | |
780 | declaration_scope); | |
a0720417 | 781 | return &struct_declaration->p; |
a3cca9e9 | 782 | } else { |
b7e35bad MD |
783 | uint64_t min_align_value = 0; |
784 | ||
a3cca9e9 MD |
785 | /* For unnamed struct, create type */ |
786 | /* For named struct (with body), create type and add to declaration scope */ | |
787 | if (name) { | |
788 | if (lookup_struct_declaration(g_quark_from_string(name), | |
789 | declaration_scope)) { | |
790 | ||
78af2bcd | 791 | fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name); |
a3cca9e9 MD |
792 | return NULL; |
793 | } | |
794 | } | |
b7e35bad MD |
795 | if (!cds_list_empty(min_align)) { |
796 | ret = get_unary_unsigned(min_align, &min_align_value); | |
797 | if (ret) { | |
798 | fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__); | |
799 | ret = -EINVAL; | |
800 | goto error; | |
801 | } | |
802 | } | |
803 | struct_declaration = struct_declaration_new(declaration_scope, | |
804 | min_align_value); | |
a3cca9e9 | 805 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f MD |
806 | ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter, |
807 | struct_declaration, trace); | |
a3cca9e9 | 808 | if (ret) |
5c551b40 | 809 | goto error_free_declaration; |
a3cca9e9 MD |
810 | } |
811 | if (name) { | |
812 | ret = register_struct_declaration(g_quark_from_string(name), | |
813 | struct_declaration, | |
814 | declaration_scope); | |
815 | assert(!ret); | |
816 | } | |
a0720417 | 817 | return &struct_declaration->p; |
a3cca9e9 | 818 | } |
5c551b40 | 819 | error_free_declaration: |
a3cca9e9 | 820 | struct_declaration->p.declaration_free(&struct_declaration->p); |
5c551b40 | 821 | error: |
a3cca9e9 MD |
822 | return NULL; |
823 | } | |
824 | ||
05628561 | 825 | static |
a0720417 MD |
826 | struct declaration *ctf_declaration_variant_visit(FILE *fd, |
827 | int depth, const char *name, const char *choice, | |
828 | struct cds_list_head *declaration_list, | |
e397791f MD |
829 | int has_body, struct declaration_scope *declaration_scope, |
830 | struct ctf_trace *trace) | |
05628561 | 831 | { |
a0720417 | 832 | struct declaration_untagged_variant *untagged_variant_declaration; |
add40b62 MD |
833 | struct declaration_variant *variant_declaration; |
834 | struct ctf_node *iter; | |
a0720417 | 835 | int ret; |
de47353a | 836 | |
add40b62 MD |
837 | /* |
838 | * For named variant (without body), lookup in | |
839 | * declaration scope. Don't take reference on variant | |
840 | * declaration: ref is only taken upon definition. | |
841 | */ | |
842 | if (!has_body) { | |
843 | assert(name); | |
a0720417 | 844 | untagged_variant_declaration = |
add40b62 MD |
845 | lookup_variant_declaration(g_quark_from_string(name), |
846 | declaration_scope); | |
add40b62 | 847 | } else { |
de47353a | 848 | /* For unnamed variant, create type */ |
add40b62 MD |
849 | /* For named variant (with body), create type and add to declaration scope */ |
850 | if (name) { | |
851 | if (lookup_variant_declaration(g_quark_from_string(name), | |
852 | declaration_scope)) { | |
853 | ||
78af2bcd | 854 | fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name); |
add40b62 MD |
855 | return NULL; |
856 | } | |
857 | } | |
a0720417 | 858 | untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope); |
add40b62 | 859 | cds_list_for_each_entry(iter, declaration_list, siblings) { |
e397791f | 860 | ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter, |
a0720417 | 861 | untagged_variant_declaration, trace); |
add40b62 MD |
862 | if (ret) |
863 | goto error; | |
864 | } | |
865 | if (name) { | |
866 | ret = register_variant_declaration(g_quark_from_string(name), | |
a0720417 | 867 | untagged_variant_declaration, |
add40b62 MD |
868 | declaration_scope); |
869 | assert(!ret); | |
870 | } | |
a0720417 MD |
871 | } |
872 | /* | |
873 | * if tagged, create tagged variant and return. else return | |
874 | * untagged variant. | |
875 | */ | |
876 | if (!choice) { | |
877 | return &untagged_variant_declaration->p; | |
878 | } else { | |
879 | variant_declaration = variant_declaration_new(untagged_variant_declaration, choice); | |
880 | if (!variant_declaration) | |
881 | goto error; | |
882 | declaration_unref(&untagged_variant_declaration->p); | |
883 | return &variant_declaration->p; | |
de47353a | 884 | } |
add40b62 | 885 | error: |
2dd46001 | 886 | untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p); |
add40b62 | 887 | return NULL; |
05628561 MD |
888 | } |
889 | ||
05628561 | 890 | static |
8fdba45b | 891 | int ctf_enumerator_list_visit(FILE *fd, int depth, |
add40b62 MD |
892 | struct ctf_node *enumerator, |
893 | struct declaration_enum *enum_declaration) | |
894 | { | |
1cfda062 MD |
895 | GQuark q; |
896 | struct ctf_node *iter; | |
897 | ||
898 | q = g_quark_from_string(enumerator->u.enumerator.id); | |
a0720417 | 899 | if (enum_declaration->integer_declaration->signedness) { |
1cfda062 MD |
900 | int64_t start, end; |
901 | int nr_vals = 0; | |
902 | ||
a0720417 | 903 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
1cfda062 MD |
904 | int64_t *target; |
905 | ||
906 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
907 | if (nr_vals == 0) | |
908 | target = &start; | |
909 | else | |
910 | target = &end; | |
911 | ||
912 | switch (iter->u.unary_expression.type) { | |
913 | case UNARY_SIGNED_CONSTANT: | |
914 | *target = iter->u.unary_expression.u.signed_constant; | |
915 | break; | |
916 | case UNARY_UNSIGNED_CONSTANT: | |
917 | *target = iter->u.unary_expression.u.unsigned_constant; | |
918 | break; | |
919 | default: | |
78af2bcd | 920 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
921 | return -EINVAL; |
922 | } | |
923 | if (nr_vals > 1) { | |
78af2bcd | 924 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
925 | return -EINVAL; |
926 | } | |
927 | nr_vals++; | |
928 | } | |
929 | if (nr_vals == 1) | |
930 | end = start; | |
931 | enum_signed_insert(enum_declaration, start, end, q); | |
a0720417 | 932 | } else { |
1cfda062 MD |
933 | uint64_t start, end; |
934 | int nr_vals = 0; | |
935 | ||
a0720417 MD |
936 | cds_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) { |
937 | uint64_t *target; | |
1cfda062 MD |
938 | |
939 | assert(iter->type == NODE_UNARY_EXPRESSION); | |
940 | if (nr_vals == 0) | |
941 | target = &start; | |
942 | else | |
943 | target = &end; | |
944 | ||
945 | switch (iter->u.unary_expression.type) { | |
946 | case UNARY_UNSIGNED_CONSTANT: | |
947 | *target = iter->u.unary_expression.u.unsigned_constant; | |
948 | break; | |
949 | case UNARY_SIGNED_CONSTANT: | |
950 | /* | |
951 | * We don't accept signed constants for enums with unsigned | |
952 | * container type. | |
953 | */ | |
78af2bcd | 954 | fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__); |
1cfda062 MD |
955 | return -EINVAL; |
956 | default: | |
78af2bcd | 957 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
958 | return -EINVAL; |
959 | } | |
960 | if (nr_vals > 1) { | |
78af2bcd | 961 | fprintf(fd, "[error] %s: invalid enumerator\n", __func__); |
1cfda062 MD |
962 | return -EINVAL; |
963 | } | |
964 | nr_vals++; | |
965 | } | |
966 | if (nr_vals == 1) | |
967 | end = start; | |
968 | enum_unsigned_insert(enum_declaration, start, end, q); | |
969 | } | |
add40b62 MD |
970 | return 0; |
971 | } | |
972 | ||
973 | static | |
8fdba45b | 974 | struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth, |
add40b62 | 975 | const char *name, |
78af2bcd | 976 | struct ctf_node *container_type, |
add40b62 | 977 | struct cds_list_head *enumerator_list, |
1cfda062 MD |
978 | int has_body, |
979 | struct declaration_scope *declaration_scope, | |
980 | struct ctf_trace *trace) | |
05628561 | 981 | { |
add40b62 MD |
982 | struct declaration *declaration; |
983 | struct declaration_enum *enum_declaration; | |
984 | struct declaration_integer *integer_declaration; | |
78af2bcd | 985 | struct ctf_node *iter; |
1cfda062 | 986 | GQuark dummy_id; |
a0720417 | 987 | int ret; |
add40b62 | 988 | |
05628561 | 989 | /* |
add40b62 MD |
990 | * For named enum (without body), lookup in |
991 | * declaration scope. Don't take reference on enum | |
992 | * declaration: ref is only taken upon definition. | |
05628561 | 993 | */ |
add40b62 MD |
994 | if (!has_body) { |
995 | assert(name); | |
996 | enum_declaration = | |
997 | lookup_enum_declaration(g_quark_from_string(name), | |
998 | declaration_scope); | |
a0720417 | 999 | return &enum_declaration->p; |
add40b62 MD |
1000 | } else { |
1001 | /* For unnamed enum, create type */ | |
1002 | /* For named enum (with body), create type and add to declaration scope */ | |
1003 | if (name) { | |
1004 | if (lookup_enum_declaration(g_quark_from_string(name), | |
1005 | declaration_scope)) { | |
1006 | ||
78af2bcd | 1007 | fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name); |
add40b62 MD |
1008 | return NULL; |
1009 | } | |
1010 | } | |
78af2bcd | 1011 | if (!container_type) { |
6743829a MD |
1012 | declaration = lookup_declaration(g_quark_from_static_string("int"), |
1013 | declaration_scope); | |
1014 | if (!declaration) { | |
1015 | fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__); | |
1016 | return NULL; | |
1017 | } | |
1018 | } else { | |
1019 | declaration = ctf_type_declarator_visit(fd, depth, | |
1020 | container_type, | |
1021 | &dummy_id, NULL, | |
1022 | declaration_scope, | |
1023 | NULL, trace); | |
1cfda062 | 1024 | } |
30ea18a1 MD |
1025 | if (!declaration) { |
1026 | fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__); | |
1027 | return NULL; | |
1028 | } | |
1029 | if (declaration->id != CTF_TYPE_INTEGER) { | |
1030 | fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__); | |
1031 | return NULL; | |
1cfda062 | 1032 | } |
30ea18a1 | 1033 | integer_declaration = container_of(declaration, struct declaration_integer, p); |
a0720417 | 1034 | enum_declaration = enum_declaration_new(integer_declaration); |
add40b62 MD |
1035 | declaration_unref(&integer_declaration->p); /* leave ref to enum */ |
1036 | cds_list_for_each_entry(iter, enumerator_list, siblings) { | |
1037 | ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration); | |
1038 | if (ret) | |
1039 | goto error; | |
1040 | } | |
1041 | if (name) { | |
1042 | ret = register_enum_declaration(g_quark_from_string(name), | |
1043 | enum_declaration, | |
1044 | declaration_scope); | |
1045 | assert(!ret); | |
1046 | } | |
a0720417 | 1047 | return &enum_declaration->p; |
05628561 | 1048 | } |
add40b62 MD |
1049 | error: |
1050 | enum_declaration->p.declaration_free(&enum_declaration->p); | |
1051 | return NULL; | |
05628561 MD |
1052 | } |
1053 | ||
1054 | static | |
8fdba45b | 1055 | struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth, |
78af2bcd | 1056 | struct ctf_node *type_specifier_list, |
d20f5e59 | 1057 | struct declaration_scope *declaration_scope) |
05628561 | 1058 | { |
add40b62 MD |
1059 | GString *str; |
1060 | struct declaration *declaration; | |
a0720417 MD |
1061 | char *str_c; |
1062 | int ret; | |
1063 | GQuark id_q; | |
05628561 | 1064 | |
a0720417 | 1065 | str = g_string_new(""); |
78af2bcd | 1066 | ret = visit_type_specifier_list(fd, type_specifier_list, str); |
add40b62 MD |
1067 | if (ret) |
1068 | return NULL; | |
1069 | str_c = g_string_free(str, FALSE); | |
1070 | id_q = g_quark_from_string(str_c); | |
1071 | g_free(str_c); | |
1072 | declaration = lookup_declaration(id_q, declaration_scope); | |
1073 | return declaration; | |
1074 | } | |
1075 | ||
ab4cf058 MD |
1076 | /* |
1077 | * Returns 0/1 boolean, or < 0 on error. | |
1078 | */ | |
1079 | static | |
a0720417 | 1080 | int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression) |
ab4cf058 MD |
1081 | { |
1082 | if (unary_expression->type != NODE_UNARY_EXPRESSION) { | |
78af2bcd | 1083 | fprintf(fd, "[error] %s: expecting unary expression\n", |
ab4cf058 MD |
1084 | __func__); |
1085 | return -EINVAL; | |
1086 | } | |
1087 | switch (unary_expression->u.unary_expression.type) { | |
1088 | case UNARY_UNSIGNED_CONSTANT: | |
1089 | if (unary_expression->u.unary_expression.u.unsigned_constant == 0) | |
1090 | return 0; | |
1091 | else | |
1092 | return 1; | |
1093 | case UNARY_SIGNED_CONSTANT: | |
1094 | if (unary_expression->u.unary_expression.u.signed_constant == 0) | |
1095 | return 0; | |
1096 | else | |
1097 | return 1; | |
1098 | case UNARY_STRING: | |
1099 | if (!strcmp(unary_expression->u.unary_expression.u.string, "true")) | |
1100 | return 1; | |
1101 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE")) | |
1102 | return 1; | |
1103 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "false")) | |
1104 | return 0; | |
1105 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE")) | |
1106 | return 0; | |
1107 | else { | |
78af2bcd | 1108 | fprintf(fd, "[error] %s: unexpected string \"%s\"\n", |
ab4cf058 MD |
1109 | __func__, unary_expression->u.unary_expression.u.string); |
1110 | return -EINVAL; | |
1111 | } | |
1112 | break; | |
1113 | default: | |
78af2bcd | 1114 | fprintf(fd, "[error] %s: unexpected unary expression type\n", |
ab4cf058 MD |
1115 | __func__); |
1116 | return -EINVAL; | |
1117 | } | |
1118 | ||
1119 | } | |
1120 | ||
0f980a35 MD |
1121 | static |
1122 | int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression) | |
1123 | { | |
1124 | int byte_order; | |
1125 | ||
1126 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
1127 | fprintf(fd, "[error] %s: byte_order: expecting string\n", | |
1128 | __func__); | |
1129 | return -EINVAL; | |
1130 | } | |
1131 | if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1132 | byte_order = BIG_ENDIAN; | |
1133 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1134 | byte_order = LITTLE_ENDIAN; | |
1135 | else { | |
1136 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", | |
1137 | __func__, unary_expression->u.unary_expression.u.string); | |
1138 | return -EINVAL; | |
1139 | } | |
1140 | return byte_order; | |
1141 | } | |
1142 | ||
ab4cf058 | 1143 | static |
a0720417 MD |
1144 | int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression, |
1145 | struct ctf_trace *trace) | |
ab4cf058 MD |
1146 | { |
1147 | int byte_order; | |
1148 | ||
1149 | if (unary_expression->u.unary_expression.type != UNARY_STRING) { | |
78af2bcd | 1150 | fprintf(fd, "[error] %s: byte_order: expecting string\n", |
ab4cf058 MD |
1151 | __func__); |
1152 | return -EINVAL; | |
1153 | } | |
1154 | if (!strcmp(unary_expression->u.unary_expression.u.string, "native")) | |
1155 | byte_order = trace->byte_order; | |
1156 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "network")) | |
1157 | byte_order = BIG_ENDIAN; | |
1158 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "be")) | |
1159 | byte_order = BIG_ENDIAN; | |
1160 | else if (!strcmp(unary_expression->u.unary_expression.u.string, "le")) | |
1161 | byte_order = LITTLE_ENDIAN; | |
1162 | else { | |
78af2bcd | 1163 | fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n", |
a0720417 | 1164 | __func__, unary_expression->u.unary_expression.u.string); |
ab4cf058 MD |
1165 | return -EINVAL; |
1166 | } | |
1167 | return byte_order; | |
1168 | } | |
1169 | ||
add40b62 | 1170 | static |
8fdba45b | 1171 | struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth, |
ab4cf058 MD |
1172 | struct cds_list_head *expressions, |
1173 | struct ctf_trace *trace) | |
add40b62 | 1174 | { |
a0720417 | 1175 | struct ctf_node *expression; |
68262b11 | 1176 | uint64_t alignment = 1, size = 0; |
ab4cf058 MD |
1177 | int byte_order = trace->byte_order; |
1178 | int signedness = 0; | |
add40b62 | 1179 | int has_alignment = 0, has_size = 0; |
4d5fc303 | 1180 | int base = 0; |
81dee1bb | 1181 | enum ctf_string_encoding encoding = CTF_STRING_NONE; |
56e60373 | 1182 | struct ctf_clock *clock = NULL; |
add40b62 MD |
1183 | struct declaration_integer *integer_declaration; |
1184 | ||
1185 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1186 | struct ctf_node *left, *right; |
add40b62 | 1187 | |
a0720417 MD |
1188 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1189 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
add40b62 MD |
1190 | assert(left->u.unary_expression.type == UNARY_STRING); |
1191 | if (!strcmp(left->u.unary_expression.u.string, "signed")) { | |
ab4cf058 MD |
1192 | signedness = get_boolean(fd, depth, right); |
1193 | if (signedness < 0) | |
1194 | return NULL; | |
add40b62 | 1195 | } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { |
a0720417 | 1196 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1197 | if (byte_order < 0) |
1198 | return NULL; | |
add40b62 | 1199 | } else if (!strcmp(left->u.unary_expression.u.string, "size")) { |
ab4cf058 | 1200 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1201 | fprintf(fd, "[error] %s: size: expecting unsigned constant\n", |
ab4cf058 MD |
1202 | __func__); |
1203 | return NULL; | |
1204 | } | |
1205 | size = right->u.unary_expression.u.unsigned_constant; | |
add40b62 MD |
1206 | has_size = 1; |
1207 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
ab4cf058 | 1208 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { |
78af2bcd | 1209 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1210 | __func__); |
1211 | return NULL; | |
1212 | } | |
1213 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1214 | /* Make sure alignment is a power of two */ |
1215 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1216 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1217 | __func__); | |
1218 | return NULL; | |
1219 | } | |
add40b62 | 1220 | has_alignment = 1; |
164078da MD |
1221 | } else if (!strcmp(left->u.unary_expression.u.string, "base")) { |
1222 | switch (right->u.unary_expression.type) { | |
1223 | case UNARY_UNSIGNED_CONSTANT: | |
1224 | switch (right->u.unary_expression.u.unsigned_constant) { | |
1225 | case 2: | |
1226 | case 8: | |
1227 | case 10: | |
1228 | case 16: | |
1229 | base = right->u.unary_expression.u.unsigned_constant; | |
1230 | break; | |
1231 | default: | |
1232 | fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n", | |
1233 | __func__, right->u.unary_expression.u.unsigned_constant); | |
1234 | return NULL; | |
1235 | } | |
1236 | break; | |
1237 | case UNARY_STRING: | |
1238 | { | |
1239 | char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1240 | if (!s_right) { | |
1241 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1242 | g_free(s_right); | |
1243 | return NULL; | |
1244 | } | |
1245 | if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d") | |
1246 | || !strcmp(s_right, "i") || !strcmp(s_right, "u")) { | |
1247 | base = 10; | |
1248 | } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex") | |
1249 | || !strcmp(s_right, "x") || !strcmp(s_right, "X") | |
1250 | || !strcmp(s_right, "p")) { | |
1251 | base = 16; | |
1252 | } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct") | |
1253 | || !strcmp(s_right, "o")) { | |
1254 | base = 8; | |
1255 | } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) { | |
1256 | base = 2; | |
1257 | } else { | |
1258 | fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right); | |
1259 | g_free(s_right); | |
1260 | return NULL; | |
1261 | } | |
1262 | ||
1263 | g_free(s_right); | |
1264 | break; | |
1265 | } | |
1266 | default: | |
1267 | fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n", | |
1268 | __func__); | |
1269 | return NULL; | |
1270 | } | |
81dee1bb MD |
1271 | } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) { |
1272 | char *s_right; | |
1273 | ||
1274 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1275 | fprintf(fd, "[error] %s: encoding: expecting unary string\n", | |
1276 | __func__); | |
1277 | return NULL; | |
1278 | } | |
1279 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1280 | if (!s_right) { | |
1281 | fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__); | |
1282 | g_free(s_right); | |
1283 | return NULL; | |
1284 | } | |
1285 | if (!strcmp(s_right, "UTF8") | |
1286 | || !strcmp(s_right, "utf8") | |
1287 | || !strcmp(s_right, "utf-8") | |
1288 | || !strcmp(s_right, "UTF-8")) | |
1289 | encoding = CTF_STRING_UTF8; | |
1290 | else if (!strcmp(s_right, "ASCII") | |
1291 | || !strcmp(s_right, "ascii")) | |
1292 | encoding = CTF_STRING_ASCII; | |
b5bf4179 MD |
1293 | else if (!strcmp(s_right, "none")) |
1294 | encoding = CTF_STRING_NONE; | |
81dee1bb MD |
1295 | else { |
1296 | fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right); | |
1297 | g_free(s_right); | |
1298 | return NULL; | |
1299 | } | |
1300 | g_free(s_right); | |
73d15916 | 1301 | } else if (!strcmp(left->u.unary_expression.u.string, "map")) { |
56e60373 | 1302 | GQuark clock_name; |
73d15916 MD |
1303 | |
1304 | if (right->u.unary_expression.type != UNARY_STRING) { | |
1305 | fprintf(fd, "[error] %s: map: expecting identifier\n", | |
1306 | __func__); | |
1307 | return NULL; | |
1308 | } | |
56e60373 MD |
1309 | /* currently only support clock.name.value */ |
1310 | clock_name = get_map_clock_name_value(&expression->u.ctf_expression.right); | |
1311 | if (!clock_name) { | |
1312 | char *s_right; | |
1313 | ||
1314 | s_right = concatenate_unary_strings(&expression->u.ctf_expression.right); | |
1315 | if (!s_right) { | |
1316 | fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__); | |
1317 | g_free(s_right); | |
1318 | return NULL; | |
1319 | } | |
1320 | fprintf(fd, "[warning] %s: unknown map %s in integer declaration\n", __func__, | |
1321 | s_right); | |
73d15916 | 1322 | g_free(s_right); |
56e60373 MD |
1323 | continue; |
1324 | } | |
1325 | clock = trace_clock_lookup(trace, clock_name); | |
1326 | if (!clock) { | |
1327 | fprintf(fd, "[error] %s: map: unable to find clock %s declaration\n", | |
1328 | __func__, g_quark_to_string(clock_name)); | |
73d15916 MD |
1329 | return NULL; |
1330 | } | |
add40b62 | 1331 | } else { |
b3ab6665 | 1332 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
add40b62 | 1333 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1334 | /* Fall-through after warning */ |
add40b62 | 1335 | } |
05628561 | 1336 | } |
add40b62 | 1337 | if (!has_size) { |
78af2bcd | 1338 | fprintf(fd, "[error] %s: missing size attribute\n", __func__); |
add40b62 MD |
1339 | return NULL; |
1340 | } | |
ab4cf058 MD |
1341 | if (!has_alignment) { |
1342 | if (size % CHAR_BIT) { | |
1343 | /* bit-packed alignment */ | |
1344 | alignment = 1; | |
1345 | } else { | |
1346 | /* byte-packed alignment */ | |
1347 | alignment = CHAR_BIT; | |
1348 | } | |
1349 | } | |
add40b62 | 1350 | integer_declaration = integer_declaration_new(size, |
81dee1bb | 1351 | byte_order, signedness, alignment, |
56e60373 | 1352 | base, encoding, clock); |
add40b62 | 1353 | return &integer_declaration->p; |
05628561 MD |
1354 | } |
1355 | ||
ab4cf058 | 1356 | static |
8fdba45b | 1357 | struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth, |
ab4cf058 MD |
1358 | struct cds_list_head *expressions, |
1359 | struct ctf_trace *trace) | |
1360 | { | |
a0720417 | 1361 | struct ctf_node *expression; |
5c551b40 MD |
1362 | uint64_t alignment = 1, exp_dig = 0, mant_dig = 0, |
1363 | byte_order = trace->byte_order; | |
ab4cf058 MD |
1364 | int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0; |
1365 | struct declaration_float *float_declaration; | |
1366 | ||
1367 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1368 | struct ctf_node *left, *right; |
ab4cf058 | 1369 | |
a0720417 MD |
1370 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1371 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1372 | assert(left->u.unary_expression.type == UNARY_STRING); |
1373 | if (!strcmp(left->u.unary_expression.u.string, "byte_order")) { | |
a0720417 | 1374 | byte_order = get_byte_order(fd, depth, right, trace); |
ab4cf058 MD |
1375 | if (byte_order < 0) |
1376 | return NULL; | |
1377 | } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) { | |
1378 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1379 | fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1380 | __func__); |
1381 | return NULL; | |
1382 | } | |
1383 | exp_dig = right->u.unary_expression.u.unsigned_constant; | |
1384 | has_exp_dig = 1; | |
1385 | } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) { | |
1386 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1387 | fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n", |
ab4cf058 MD |
1388 | __func__); |
1389 | return NULL; | |
1390 | } | |
1391 | mant_dig = right->u.unary_expression.u.unsigned_constant; | |
1392 | has_mant_dig = 1; | |
1393 | } else if (!strcmp(left->u.unary_expression.u.string, "align")) { | |
1394 | if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) { | |
78af2bcd | 1395 | fprintf(fd, "[error] %s: align: expecting unsigned constant\n", |
ab4cf058 MD |
1396 | __func__); |
1397 | return NULL; | |
1398 | } | |
1399 | alignment = right->u.unary_expression.u.unsigned_constant; | |
53532829 MD |
1400 | /* Make sure alignment is a power of two */ |
1401 | if (alignment == 0 || (alignment & (alignment - 1)) != 0) { | |
1402 | fprintf(fd, "[error] %s: align: expecting power of two\n", | |
1403 | __func__); | |
1404 | return NULL; | |
1405 | } | |
ab4cf058 MD |
1406 | has_alignment = 1; |
1407 | } else { | |
b3ab6665 | 1408 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1409 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1410 | /* Fall-through after warning */ |
ab4cf058 MD |
1411 | } |
1412 | } | |
1413 | if (!has_mant_dig) { | |
78af2bcd | 1414 | fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__); |
ab4cf058 MD |
1415 | return NULL; |
1416 | } | |
1417 | if (!has_exp_dig) { | |
78af2bcd | 1418 | fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__); |
ab4cf058 MD |
1419 | return NULL; |
1420 | } | |
1421 | if (!has_alignment) { | |
1422 | if ((mant_dig + exp_dig) % CHAR_BIT) { | |
1423 | /* bit-packed alignment */ | |
1424 | alignment = 1; | |
1425 | } else { | |
1426 | /* byte-packed alignment */ | |
1427 | alignment = CHAR_BIT; | |
1428 | } | |
1429 | } | |
1430 | float_declaration = float_declaration_new(mant_dig, exp_dig, | |
1431 | byte_order, alignment); | |
1432 | return &float_declaration->p; | |
1433 | } | |
1434 | ||
1435 | static | |
8fdba45b | 1436 | struct declaration *ctf_declaration_string_visit(FILE *fd, int depth, |
ab4cf058 MD |
1437 | struct cds_list_head *expressions, |
1438 | struct ctf_trace *trace) | |
1439 | { | |
a0720417 | 1440 | struct ctf_node *expression; |
ab4cf058 MD |
1441 | const char *encoding_c = NULL; |
1442 | enum ctf_string_encoding encoding = CTF_STRING_UTF8; | |
1443 | struct declaration_string *string_declaration; | |
1444 | ||
1445 | cds_list_for_each_entry(expression, expressions, siblings) { | |
a0720417 | 1446 | struct ctf_node *left, *right; |
ab4cf058 | 1447 | |
a0720417 MD |
1448 | left = _cds_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings); |
1449 | right = _cds_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings); | |
ab4cf058 MD |
1450 | assert(left->u.unary_expression.type == UNARY_STRING); |
1451 | if (!strcmp(left->u.unary_expression.u.string, "encoding")) { | |
a0720417 | 1452 | if (right->u.unary_expression.type != UNARY_STRING) { |
78af2bcd | 1453 | fprintf(fd, "[error] %s: encoding: expecting string\n", |
ab4cf058 MD |
1454 | __func__); |
1455 | return NULL; | |
1456 | } | |
1457 | encoding_c = right->u.unary_expression.u.string; | |
1458 | } else { | |
b3ab6665 | 1459 | fprintf(fd, "[warning] %s: unknown attribute name %s\n", |
ab4cf058 | 1460 | __func__, left->u.unary_expression.u.string); |
b3ab6665 | 1461 | /* Fall-through after warning */ |
ab4cf058 MD |
1462 | } |
1463 | } | |
1464 | if (encoding_c && !strcmp(encoding_c, "ASCII")) | |
1465 | encoding = CTF_STRING_ASCII; | |
1466 | string_declaration = string_declaration_new(encoding); | |
1467 | return &string_declaration->p; | |
1468 | } | |
1469 | ||
1470 | ||
05628561 | 1471 | static |
78af2bcd MD |
1472 | struct declaration *ctf_type_specifier_list_visit(FILE *fd, |
1473 | int depth, struct ctf_node *type_specifier_list, | |
ab4cf058 MD |
1474 | struct declaration_scope *declaration_scope, |
1475 | struct ctf_trace *trace) | |
05628561 | 1476 | { |
a0720417 | 1477 | struct ctf_node *first; |
78af2bcd | 1478 | struct ctf_node *node; |
d20f5e59 | 1479 | |
427c09b7 MD |
1480 | assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST); |
1481 | ||
78af2bcd | 1482 | first = _cds_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings); |
05628561 | 1483 | |
78af2bcd MD |
1484 | assert(first->type == NODE_TYPE_SPECIFIER); |
1485 | ||
1486 | node = first->u.type_specifier.node; | |
1487 | ||
1488 | switch (first->u.type_specifier.type) { | |
1489 | case TYPESPEC_FLOATING_POINT: | |
1490 | return ctf_declaration_floating_point_visit(fd, depth, | |
1491 | &node->u.floating_point.expressions, trace); | |
1492 | case TYPESPEC_INTEGER: | |
1493 | return ctf_declaration_integer_visit(fd, depth, | |
1494 | &node->u.integer.expressions, trace); | |
1495 | case TYPESPEC_STRING: | |
1496 | return ctf_declaration_string_visit(fd, depth, | |
5039b4cc | 1497 | &node->u.string.expressions, trace); |
78af2bcd | 1498 | case TYPESPEC_STRUCT: |
add40b62 | 1499 | return ctf_declaration_struct_visit(fd, depth, |
78af2bcd MD |
1500 | node->u._struct.name, |
1501 | &node->u._struct.declaration_list, | |
1502 | node->u._struct.has_body, | |
b7e35bad | 1503 | &node->u._struct.min_align, |
ab4cf058 MD |
1504 | declaration_scope, |
1505 | trace); | |
78af2bcd | 1506 | case TYPESPEC_VARIANT: |
add40b62 | 1507 | return ctf_declaration_variant_visit(fd, depth, |
78af2bcd MD |
1508 | node->u.variant.name, |
1509 | node->u.variant.choice, | |
1510 | &node->u.variant.declaration_list, | |
1511 | node->u.variant.has_body, | |
ab4cf058 MD |
1512 | declaration_scope, |
1513 | trace); | |
78af2bcd | 1514 | case TYPESPEC_ENUM: |
add40b62 | 1515 | return ctf_declaration_enum_visit(fd, depth, |
78af2bcd MD |
1516 | node->u._enum.enum_id, |
1517 | node->u._enum.container_type, | |
1518 | &node->u._enum.enumerator_list, | |
1519 | node->u._enum.has_body, | |
1cfda062 | 1520 | declaration_scope, |
ab4cf058 | 1521 | trace); |
78af2bcd MD |
1522 | |
1523 | case TYPESPEC_VOID: | |
1524 | case TYPESPEC_CHAR: | |
1525 | case TYPESPEC_SHORT: | |
1526 | case TYPESPEC_INT: | |
1527 | case TYPESPEC_LONG: | |
1528 | case TYPESPEC_FLOAT: | |
1529 | case TYPESPEC_DOUBLE: | |
1530 | case TYPESPEC_SIGNED: | |
1531 | case TYPESPEC_UNSIGNED: | |
1532 | case TYPESPEC_BOOL: | |
1533 | case TYPESPEC_COMPLEX: | |
1534 | case TYPESPEC_IMAGINARY: | |
1535 | case TYPESPEC_CONST: | |
1536 | case TYPESPEC_ID_TYPE: | |
add40b62 | 1537 | return ctf_declaration_type_specifier_visit(fd, depth, |
78af2bcd | 1538 | type_specifier_list, declaration_scope); |
a0720417 | 1539 | default: |
78af2bcd | 1540 | fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type); |
a0720417 | 1541 | return NULL; |
add40b62 | 1542 | } |
05628561 MD |
1543 | } |
1544 | ||
1545 | static | |
1546 | int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace) | |
1547 | { | |
1548 | int ret = 0; | |
1549 | ||
1550 | switch (node->type) { | |
1551 | case NODE_TYPEDEF: | |
1552 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1553 | event->declaration_scope, |
78af2bcd | 1554 | node->u._typedef.type_specifier_list, |
05628561 | 1555 | &node->u._typedef.type_declarators, |
a0720417 | 1556 | trace); |
05628561 MD |
1557 | if (ret) |
1558 | return ret; | |
1559 | break; | |
1560 | case NODE_TYPEALIAS: | |
1561 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1562 | event->declaration_scope, |
1563 | node->u.typealias.target, node->u.typealias.alias, | |
1564 | trace); | |
05628561 MD |
1565 | if (ret) |
1566 | return ret; | |
1567 | break; | |
1568 | case NODE_CTF_EXPRESSION: | |
1569 | { | |
1570 | char *left; | |
1571 | ||
1572 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1573 | if (!strcmp(left, "name")) { | |
1574 | char *right; | |
1575 | ||
427c09b7 MD |
1576 | if (CTF_EVENT_FIELD_IS_SET(event, name)) { |
1577 | fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__); | |
0f980a35 MD |
1578 | ret = -EPERM; |
1579 | goto error; | |
427c09b7 | 1580 | } |
05628561 MD |
1581 | right = concatenate_unary_strings(&node->u.ctf_expression.right); |
1582 | if (!right) { | |
78af2bcd | 1583 | fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__); |
0f980a35 MD |
1584 | ret = -EINVAL; |
1585 | goto error; | |
05628561 MD |
1586 | } |
1587 | event->name = g_quark_from_string(right); | |
41253107 | 1588 | g_free(right); |
05628561 MD |
1589 | CTF_EVENT_SET_FIELD(event, name); |
1590 | } else if (!strcmp(left, "id")) { | |
427c09b7 MD |
1591 | if (CTF_EVENT_FIELD_IS_SET(event, id)) { |
1592 | fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1593 | ret = -EPERM; |
1594 | goto error; | |
427c09b7 | 1595 | } |
05628561 MD |
1596 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id); |
1597 | if (ret) { | |
78af2bcd | 1598 | fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__); |
0f980a35 MD |
1599 | ret = -EINVAL; |
1600 | goto error; | |
05628561 MD |
1601 | } |
1602 | CTF_EVENT_SET_FIELD(event, id); | |
1603 | } else if (!strcmp(left, "stream_id")) { | |
427c09b7 MD |
1604 | if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
1605 | fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__); | |
0f980a35 MD |
1606 | ret = -EPERM; |
1607 | goto error; | |
427c09b7 | 1608 | } |
05628561 MD |
1609 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id); |
1610 | if (ret) { | |
78af2bcd | 1611 | fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__); |
0f980a35 MD |
1612 | ret = -EINVAL; |
1613 | goto error; | |
05628561 MD |
1614 | } |
1615 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
1616 | if (!event->stream) { | |
78af2bcd | 1617 | fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id); |
0f980a35 MD |
1618 | ret = -EINVAL; |
1619 | goto error; | |
05628561 | 1620 | } |
05628561 MD |
1621 | CTF_EVENT_SET_FIELD(event, stream_id); |
1622 | } else if (!strcmp(left, "context")) { | |
1623 | struct declaration *declaration; | |
1624 | ||
427c09b7 MD |
1625 | if (event->context_decl) { |
1626 | fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__); | |
0f980a35 MD |
1627 | ret = -EINVAL; |
1628 | goto error; | |
427c09b7 | 1629 | } |
78af2bcd MD |
1630 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1631 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1632 | struct ctf_node, siblings), | |
ab4cf058 | 1633 | event->declaration_scope, trace); |
0f980a35 MD |
1634 | if (!declaration) { |
1635 | ret = -EPERM; | |
1636 | goto error; | |
1637 | } | |
1638 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1639 | ret = -EPERM; | |
1640 | goto error; | |
1641 | } | |
9e29e16e | 1642 | event->context_decl = container_of(declaration, struct declaration_struct, p); |
05628561 MD |
1643 | } else if (!strcmp(left, "fields")) { |
1644 | struct declaration *declaration; | |
1645 | ||
427c09b7 MD |
1646 | if (event->fields_decl) { |
1647 | fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__); | |
0f980a35 MD |
1648 | ret = -EINVAL; |
1649 | goto error; | |
427c09b7 | 1650 | } |
78af2bcd MD |
1651 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1652 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1653 | struct ctf_node, siblings), | |
ab4cf058 | 1654 | event->declaration_scope, trace); |
0f980a35 MD |
1655 | if (!declaration) { |
1656 | ret = -EPERM; | |
1657 | goto error; | |
1658 | } | |
1659 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1660 | ret = -EPERM; | |
1661 | goto error; | |
1662 | } | |
9e29e16e | 1663 | event->fields_decl = container_of(declaration, struct declaration_struct, p); |
306eeaa6 MD |
1664 | } else if (!strcmp(left, "loglevel")) { |
1665 | int64_t loglevel = -1; | |
d86d62f8 | 1666 | |
306eeaa6 MD |
1667 | if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) { |
1668 | fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__); | |
d86d62f8 MD |
1669 | ret = -EPERM; |
1670 | goto error; | |
1671 | } | |
306eeaa6 | 1672 | ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel); |
d86d62f8 | 1673 | if (ret) { |
306eeaa6 | 1674 | fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__); |
d86d62f8 MD |
1675 | ret = -EINVAL; |
1676 | goto error; | |
1677 | } | |
209209be | 1678 | event->loglevel = (int) loglevel; |
306eeaa6 | 1679 | CTF_EVENT_SET_FIELD(event, loglevel); |
98df1c9f | 1680 | } else { |
b3ab6665 MD |
1681 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left); |
1682 | /* Fall-through after warning */ | |
05628561 | 1683 | } |
0f980a35 | 1684 | error: |
41253107 | 1685 | g_free(left); |
05628561 MD |
1686 | break; |
1687 | } | |
1688 | default: | |
1689 | return -EPERM; | |
1690 | /* TODO: declaration specifier should be added. */ | |
1691 | } | |
1692 | ||
0f980a35 | 1693 | return ret; |
05628561 MD |
1694 | } |
1695 | ||
1696 | static | |
1697 | int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1698 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1699 | { |
1700 | int ret = 0; | |
1701 | struct ctf_node *iter; | |
1702 | struct ctf_event *event; | |
1703 | ||
1704 | event = g_new0(struct ctf_event, 1); | |
d20f5e59 | 1705 | event->declaration_scope = new_declaration_scope(parent_declaration_scope); |
306eeaa6 | 1706 | event->loglevel = -1; |
05628561 MD |
1707 | cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) { |
1708 | ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace); | |
1709 | if (ret) | |
1710 | goto error; | |
1711 | } | |
1712 | if (!CTF_EVENT_FIELD_IS_SET(event, name)) { | |
1713 | ret = -EPERM; | |
427c09b7 | 1714 | fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__); |
05628561 MD |
1715 | goto error; |
1716 | } | |
05628561 | 1717 | if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) { |
0f980a35 | 1718 | /* Allow missing stream_id if there is only a single stream */ |
33105c61 MD |
1719 | switch (trace->streams->len) { |
1720 | case 0: /* Create stream if there was none. */ | |
1721 | ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace); | |
1722 | if (ret) | |
1723 | goto error; | |
1724 | /* Fall-through */ | |
1725 | case 1: | |
0f980a35 MD |
1726 | event->stream_id = 0; |
1727 | event->stream = trace_stream_lookup(trace, event->stream_id); | |
33105c61 MD |
1728 | break; |
1729 | default: | |
0f980a35 MD |
1730 | ret = -EPERM; |
1731 | fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__); | |
1732 | goto error; | |
1733 | } | |
05628561 | 1734 | } |
8c572eba MD |
1735 | /* Allow only one event without id per stream */ |
1736 | if (!CTF_EVENT_FIELD_IS_SET(event, id) | |
1737 | && event->stream->events_by_id->len != 0) { | |
1738 | ret = -EPERM; | |
1739 | fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__); | |
1740 | goto error; | |
1741 | } | |
05628561 MD |
1742 | if (event->stream->events_by_id->len <= event->id) |
1743 | g_ptr_array_set_size(event->stream->events_by_id, event->id + 1); | |
1744 | g_ptr_array_index(event->stream->events_by_id, event->id) = event; | |
1745 | g_hash_table_insert(event->stream->event_quark_to_id, | |
56e60373 | 1746 | (gpointer) (unsigned long) event->name, |
05628561 MD |
1747 | &event->id); |
1748 | return 0; | |
1749 | ||
1750 | error: | |
98df1c9f MD |
1751 | if (event->fields_decl) |
1752 | declaration_unref(&event->fields_decl->p); | |
1753 | if (event->context_decl) | |
1754 | declaration_unref(&event->context_decl->p); | |
d20f5e59 | 1755 | free_declaration_scope(event->declaration_scope); |
05628561 MD |
1756 | g_free(event); |
1757 | return ret; | |
1758 | } | |
1759 | ||
1760 | ||
1761 | static | |
aa6bffae | 1762 | int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace) |
05628561 MD |
1763 | { |
1764 | int ret = 0; | |
1765 | ||
1766 | switch (node->type) { | |
1767 | case NODE_TYPEDEF: | |
1768 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1769 | stream->declaration_scope, |
78af2bcd | 1770 | node->u._typedef.type_specifier_list, |
05628561 | 1771 | &node->u._typedef.type_declarators, |
a0720417 | 1772 | trace); |
05628561 MD |
1773 | if (ret) |
1774 | return ret; | |
1775 | break; | |
1776 | case NODE_TYPEALIAS: | |
1777 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1778 | stream->declaration_scope, |
1779 | node->u.typealias.target, node->u.typealias.alias, | |
1780 | trace); | |
05628561 MD |
1781 | if (ret) |
1782 | return ret; | |
1783 | break; | |
1784 | case NODE_CTF_EXPRESSION: | |
1785 | { | |
1786 | char *left; | |
1787 | ||
1788 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
427c09b7 MD |
1789 | if (!strcmp(left, "id")) { |
1790 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { | |
1791 | fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1792 | ret = -EPERM; |
1793 | goto error; | |
427c09b7 | 1794 | } |
a0720417 | 1795 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id); |
05628561 | 1796 | if (ret) { |
427c09b7 | 1797 | fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__); |
0f980a35 MD |
1798 | ret = -EINVAL; |
1799 | goto error; | |
05628561 | 1800 | } |
a0720417 | 1801 | CTF_STREAM_SET_FIELD(stream, stream_id); |
9e29e16e | 1802 | } else if (!strcmp(left, "event.header")) { |
05628561 MD |
1803 | struct declaration *declaration; |
1804 | ||
427c09b7 MD |
1805 | if (stream->event_header_decl) { |
1806 | fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1807 | ret = -EINVAL; |
1808 | goto error; | |
427c09b7 | 1809 | } |
78af2bcd MD |
1810 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1811 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1812 | struct ctf_node, siblings), | |
a0720417 | 1813 | stream->declaration_scope, trace); |
0f980a35 MD |
1814 | if (!declaration) { |
1815 | ret = -EPERM; | |
1816 | goto error; | |
1817 | } | |
1818 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1819 | ret = -EPERM; | |
1820 | goto error; | |
1821 | } | |
9e29e16e MD |
1822 | stream->event_header_decl = container_of(declaration, struct declaration_struct, p); |
1823 | } else if (!strcmp(left, "event.context")) { | |
05628561 MD |
1824 | struct declaration *declaration; |
1825 | ||
427c09b7 MD |
1826 | if (stream->event_context_decl) { |
1827 | fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1828 | ret = -EINVAL; |
1829 | goto error; | |
427c09b7 | 1830 | } |
78af2bcd MD |
1831 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1832 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1833 | struct ctf_node, siblings), | |
ab4cf058 | 1834 | stream->declaration_scope, trace); |
0f980a35 MD |
1835 | if (!declaration) { |
1836 | ret = -EPERM; | |
1837 | goto error; | |
1838 | } | |
1839 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1840 | ret = -EPERM; | |
1841 | goto error; | |
1842 | } | |
9e29e16e MD |
1843 | stream->event_context_decl = container_of(declaration, struct declaration_struct, p); |
1844 | } else if (!strcmp(left, "packet.context")) { | |
05628561 MD |
1845 | struct declaration *declaration; |
1846 | ||
427c09b7 MD |
1847 | if (stream->packet_context_decl) { |
1848 | fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__); | |
0f980a35 MD |
1849 | ret = -EINVAL; |
1850 | goto error; | |
427c09b7 | 1851 | } |
78af2bcd MD |
1852 | declaration = ctf_type_specifier_list_visit(fd, depth, |
1853 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
1854 | struct ctf_node, siblings), | |
ab4cf058 | 1855 | stream->declaration_scope, trace); |
0f980a35 MD |
1856 | if (!declaration) { |
1857 | ret = -EPERM; | |
1858 | goto error; | |
1859 | } | |
1860 | if (declaration->id != CTF_TYPE_STRUCT) { | |
1861 | ret = -EPERM; | |
1862 | goto error; | |
1863 | } | |
9e29e16e | 1864 | stream->packet_context_decl = container_of(declaration, struct declaration_struct, p); |
98df1c9f | 1865 | } else { |
b3ab6665 MD |
1866 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left); |
1867 | /* Fall-through after warning */ | |
05628561 | 1868 | } |
98df1c9f | 1869 | |
0f980a35 | 1870 | error: |
41253107 | 1871 | g_free(left); |
05628561 MD |
1872 | break; |
1873 | } | |
1874 | default: | |
1875 | return -EPERM; | |
1876 | /* TODO: declaration specifier should be added. */ | |
1877 | } | |
1878 | ||
0f980a35 | 1879 | return ret; |
05628561 MD |
1880 | } |
1881 | ||
1882 | static | |
1883 | int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node, | |
d20f5e59 | 1884 | struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace) |
05628561 MD |
1885 | { |
1886 | int ret = 0; | |
1887 | struct ctf_node *iter; | |
aa6bffae | 1888 | struct ctf_stream_class *stream; |
05628561 | 1889 | |
aa6bffae | 1890 | stream = g_new0(struct ctf_stream_class, 1); |
d20f5e59 | 1891 | stream->declaration_scope = new_declaration_scope(parent_declaration_scope); |
05628561 | 1892 | stream->events_by_id = g_ptr_array_new(); |
068665f5 | 1893 | stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal); |
2d0bea29 | 1894 | stream->streams = g_ptr_array_new(); |
33105c61 MD |
1895 | if (node) { |
1896 | cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) { | |
1897 | ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace); | |
1898 | if (ret) | |
1899 | goto error; | |
1900 | } | |
05628561 | 1901 | } |
0f980a35 MD |
1902 | if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) { |
1903 | /* check that packet header has stream_id field. */ | |
1904 | if (!trace->packet_header_decl | |
1905 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) { | |
1906 | ret = -EPERM; | |
1907 | fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__); | |
1908 | goto error; | |
1909 | } | |
8c572eba MD |
1910 | } else { |
1911 | /* Allow only one id-less stream */ | |
1912 | if (trace->streams->len != 0) { | |
1913 | ret = -EPERM; | |
1914 | fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__); | |
1915 | goto error; | |
1916 | } | |
1917 | stream->stream_id = 0; | |
05628561 MD |
1918 | } |
1919 | if (trace->streams->len <= stream->stream_id) | |
1920 | g_ptr_array_set_size(trace->streams, stream->stream_id + 1); | |
1921 | g_ptr_array_index(trace->streams, stream->stream_id) = stream; | |
82662ad4 | 1922 | stream->trace = trace; |
9e29e16e | 1923 | |
05628561 MD |
1924 | return 0; |
1925 | ||
1926 | error: | |
98df1c9f MD |
1927 | if (stream->event_header_decl) |
1928 | declaration_unref(&stream->event_header_decl->p); | |
1929 | if (stream->event_context_decl) | |
1930 | declaration_unref(&stream->event_context_decl->p); | |
1931 | if (stream->packet_context_decl) | |
1932 | declaration_unref(&stream->packet_context_decl->p); | |
2d0bea29 | 1933 | g_ptr_array_free(stream->streams, TRUE); |
05628561 | 1934 | g_ptr_array_free(stream->events_by_id, TRUE); |
a0720417 | 1935 | g_hash_table_destroy(stream->event_quark_to_id); |
d20f5e59 | 1936 | free_declaration_scope(stream->declaration_scope); |
05628561 MD |
1937 | g_free(stream); |
1938 | return ret; | |
1939 | } | |
1940 | ||
1941 | static | |
1942 | int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
1943 | { | |
1944 | int ret = 0; | |
1945 | ||
1946 | switch (node->type) { | |
1947 | case NODE_TYPEDEF: | |
1948 | ret = ctf_typedef_visit(fd, depth + 1, | |
a0720417 | 1949 | trace->declaration_scope, |
78af2bcd | 1950 | node->u._typedef.type_specifier_list, |
05628561 | 1951 | &node->u._typedef.type_declarators, |
a0720417 | 1952 | trace); |
05628561 MD |
1953 | if (ret) |
1954 | return ret; | |
1955 | break; | |
1956 | case NODE_TYPEALIAS: | |
1957 | ret = ctf_typealias_visit(fd, depth + 1, | |
a0720417 MD |
1958 | trace->declaration_scope, |
1959 | node->u.typealias.target, node->u.typealias.alias, | |
1960 | trace); | |
05628561 MD |
1961 | if (ret) |
1962 | return ret; | |
1963 | break; | |
1964 | case NODE_CTF_EXPRESSION: | |
1965 | { | |
1966 | char *left; | |
1967 | ||
1968 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
1969 | if (!strcmp(left, "major")) { | |
427c09b7 MD |
1970 | if (CTF_TRACE_FIELD_IS_SET(trace, major)) { |
1971 | fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1972 | ret = -EPERM; |
1973 | goto error; | |
427c09b7 | 1974 | } |
05628561 MD |
1975 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major); |
1976 | if (ret) { | |
78af2bcd | 1977 | fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__); |
0f980a35 MD |
1978 | ret = -EINVAL; |
1979 | goto error; | |
05628561 | 1980 | } |
a0720417 | 1981 | CTF_TRACE_SET_FIELD(trace, major); |
05628561 | 1982 | } else if (!strcmp(left, "minor")) { |
427c09b7 MD |
1983 | if (CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
1984 | fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__); | |
0f980a35 MD |
1985 | ret = -EPERM; |
1986 | goto error; | |
427c09b7 | 1987 | } |
05628561 MD |
1988 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor); |
1989 | if (ret) { | |
78af2bcd | 1990 | fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__); |
0f980a35 MD |
1991 | ret = -EINVAL; |
1992 | goto error; | |
05628561 | 1993 | } |
a0720417 | 1994 | CTF_TRACE_SET_FIELD(trace, minor); |
05628561 | 1995 | } else if (!strcmp(left, "uuid")) { |
b4c19c1e | 1996 | uuid_t uuid; |
a0fe7d97 MD |
1997 | |
1998 | ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid); | |
05628561 | 1999 | if (ret) { |
78af2bcd | 2000 | fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__); |
0f980a35 MD |
2001 | ret = -EINVAL; |
2002 | goto error; | |
05628561 | 2003 | } |
b4c19c1e MD |
2004 | if (CTF_TRACE_FIELD_IS_SET(trace, uuid) |
2005 | && uuid_compare(uuid, trace->uuid)) { | |
2006 | fprintf(fd, "[error] %s: uuid mismatch\n", __func__); | |
2007 | ret = -EPERM; | |
2008 | goto error; | |
a0fe7d97 MD |
2009 | } else { |
2010 | memcpy(trace->uuid, uuid, sizeof(uuid)); | |
b4c19c1e | 2011 | } |
a0720417 | 2012 | CTF_TRACE_SET_FIELD(trace, uuid); |
0f980a35 MD |
2013 | } else if (!strcmp(left, "byte_order")) { |
2014 | struct ctf_node *right; | |
2015 | int byte_order; | |
2016 | ||
0f980a35 MD |
2017 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); |
2018 | byte_order = get_trace_byte_order(fd, depth, right); | |
2019 | if (byte_order < 0) | |
2020 | return -EINVAL; | |
a0fe7d97 MD |
2021 | |
2022 | if (CTF_TRACE_FIELD_IS_SET(trace, byte_order) | |
2023 | && byte_order != trace->byte_order) { | |
2024 | fprintf(fd, "[error] %s: endianness mismatch\n", __func__); | |
2025 | ret = -EPERM; | |
2026 | goto error; | |
2027 | } else { | |
fdce39de MD |
2028 | if (byte_order != trace->byte_order) { |
2029 | trace->byte_order = byte_order; | |
2030 | /* | |
2031 | * We need to restart | |
2032 | * construction of the | |
2033 | * intermediate representation. | |
2034 | */ | |
2e0c6b58 MD |
2035 | trace->field_mask = 0; |
2036 | CTF_TRACE_SET_FIELD(trace, byte_order); | |
2037 | ret = -EINTR; | |
2038 | goto error; | |
fdce39de | 2039 | } |
a0fe7d97 | 2040 | } |
7c8a1386 | 2041 | CTF_TRACE_SET_FIELD(trace, byte_order); |
0f980a35 MD |
2042 | } else if (!strcmp(left, "packet.header")) { |
2043 | struct declaration *declaration; | |
2044 | ||
2045 | if (trace->packet_header_decl) { | |
2046 | fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__); | |
2047 | ret = -EINVAL; | |
2048 | goto error; | |
2049 | } | |
2050 | declaration = ctf_type_specifier_list_visit(fd, depth, | |
2051 | _cds_list_first_entry(&node->u.ctf_expression.right, | |
2052 | struct ctf_node, siblings), | |
2053 | trace->declaration_scope, trace); | |
2054 | if (!declaration) { | |
2055 | ret = -EPERM; | |
2056 | goto error; | |
2057 | } | |
2058 | if (declaration->id != CTF_TYPE_STRUCT) { | |
2059 | ret = -EPERM; | |
2060 | goto error; | |
2061 | } | |
2062 | trace->packet_header_decl = container_of(declaration, struct declaration_struct, p); | |
98df1c9f | 2063 | } else { |
b3ab6665 | 2064 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left); |
05628561 | 2065 | } |
98df1c9f | 2066 | |
0f980a35 | 2067 | error: |
41253107 | 2068 | g_free(left); |
05628561 MD |
2069 | break; |
2070 | } | |
2071 | default: | |
2072 | return -EPERM; | |
2073 | /* TODO: declaration specifier should be added. */ | |
2074 | } | |
2075 | ||
0f980a35 | 2076 | return ret; |
05628561 MD |
2077 | } |
2078 | ||
05628561 MD |
2079 | static |
2080 | int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2081 | { | |
2082 | int ret = 0; | |
2083 | struct ctf_node *iter; | |
2084 | ||
d20f5e59 | 2085 | if (trace->declaration_scope) |
05628561 | 2086 | return -EEXIST; |
d20f5e59 | 2087 | trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope); |
05628561 MD |
2088 | trace->streams = g_ptr_array_new(); |
2089 | cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) { | |
2090 | ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace); | |
2091 | if (ret) | |
2092 | goto error; | |
2093 | } | |
a0720417 | 2094 | if (!CTF_TRACE_FIELD_IS_SET(trace, major)) { |
05628561 | 2095 | ret = -EPERM; |
427c09b7 | 2096 | fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__); |
05628561 MD |
2097 | goto error; |
2098 | } | |
a0720417 | 2099 | if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) { |
05628561 | 2100 | ret = -EPERM; |
427c09b7 | 2101 | fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__); |
05628561 MD |
2102 | goto error; |
2103 | } | |
a0720417 | 2104 | if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) { |
05628561 | 2105 | ret = -EPERM; |
427c09b7 | 2106 | fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__); |
05628561 MD |
2107 | goto error; |
2108 | } | |
dc48ecad MD |
2109 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2110 | ret = -EPERM; | |
2111 | fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__); | |
2112 | goto error; | |
2113 | } | |
0f980a35 | 2114 | |
0f980a35 MD |
2115 | if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) { |
2116 | /* check that the packet header contains a "magic" field */ | |
e28d4618 | 2117 | if (!trace->packet_header_decl |
0f980a35 MD |
2118 | || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) { |
2119 | ret = -EPERM; | |
2120 | fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__); | |
98df1c9f | 2121 | goto error; |
0f980a35 MD |
2122 | } |
2123 | } | |
05628561 MD |
2124 | return 0; |
2125 | ||
2126 | error: | |
0d72513f | 2127 | if (trace->packet_header_decl) { |
98df1c9f | 2128 | declaration_unref(&trace->packet_header_decl->p); |
0d72513f MD |
2129 | trace->packet_header_decl = NULL; |
2130 | } | |
05628561 | 2131 | g_ptr_array_free(trace->streams, TRUE); |
a0720417 | 2132 | free_declaration_scope(trace->declaration_scope); |
fdce39de | 2133 | trace->declaration_scope = NULL; |
05628561 MD |
2134 | return ret; |
2135 | } | |
2136 | ||
50cb9c56 MD |
2137 | static |
2138 | int ctf_clock_declaration_visit(FILE *fd, int depth, struct ctf_node *node, | |
2139 | struct ctf_clock *clock, struct ctf_trace *trace) | |
2140 | { | |
2141 | int ret = 0; | |
2142 | ||
2143 | switch (node->type) { | |
2144 | case NODE_CTF_EXPRESSION: | |
2145 | { | |
2146 | char *left; | |
2147 | ||
2148 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
2149 | if (!strcmp(left, "name")) { | |
2150 | char *right; | |
2151 | ||
2152 | if (CTF_CLOCK_FIELD_IS_SET(clock, name)) { | |
2153 | fprintf(fd, "[error] %s: name already declared in clock declaration\n", __func__); | |
2154 | ret = -EPERM; | |
2155 | goto error; | |
2156 | } | |
2157 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2158 | if (!right) { | |
2159 | fprintf(fd, "[error] %s: unexpected unary expression for clock name\n", __func__); | |
2160 | ret = -EINVAL; | |
2161 | goto error; | |
2162 | } | |
2163 | clock->name = g_quark_from_string(right); | |
2164 | g_free(right); | |
bf94ab2b | 2165 | CTF_CLOCK_SET_FIELD(clock, name); |
50cb9c56 MD |
2166 | } else if (!strcmp(left, "uuid")) { |
2167 | char *right; | |
2168 | ||
2169 | if (clock->uuid) { | |
2170 | fprintf(fd, "[error] %s: uuid already declared in clock declaration\n", __func__); | |
2171 | ret = -EPERM; | |
2172 | goto error; | |
2173 | } | |
2174 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2175 | if (!right) { | |
2176 | fprintf(fd, "[error] %s: unexpected unary expression for clock uuid\n", __func__); | |
2177 | ret = -EINVAL; | |
2178 | goto error; | |
2179 | } | |
2180 | clock->uuid = g_quark_from_string(right); | |
2181 | g_free(right); | |
2182 | } else if (!strcmp(left, "description")) { | |
2183 | char *right; | |
2184 | ||
2185 | if (clock->description) { | |
2186 | fprintf(fd, "[warning] %s: duplicated clock description\n", __func__); | |
2187 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2188 | } | |
2189 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2190 | if (!right) { | |
2191 | fprintf(fd, "[warning] %s: unexpected unary expression for clock description\n", __func__); | |
2192 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2193 | } | |
2194 | clock->description = right; | |
2195 | } else if (!strcmp(left, "freq")) { | |
bf94ab2b | 2196 | if (CTF_CLOCK_FIELD_IS_SET(clock, freq)) { |
50cb9c56 MD |
2197 | fprintf(fd, "[error] %s: freq already declared in clock declaration\n", __func__); |
2198 | ret = -EPERM; | |
2199 | goto error; | |
2200 | } | |
2201 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->freq); | |
2202 | if (ret) { | |
2203 | fprintf(fd, "[error] %s: unexpected unary expression for clock freq\n", __func__); | |
2204 | ret = -EINVAL; | |
2205 | goto error; | |
2206 | } | |
bf94ab2b | 2207 | CTF_CLOCK_SET_FIELD(clock, freq); |
50cb9c56 MD |
2208 | } else if (!strcmp(left, "precision")) { |
2209 | if (clock->precision) { | |
2210 | fprintf(fd, "[error] %s: precision already declared in clock declaration\n", __func__); | |
2211 | ret = -EPERM; | |
2212 | goto error; | |
2213 | } | |
2214 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->precision); | |
2215 | if (ret) { | |
2216 | fprintf(fd, "[error] %s: unexpected unary expression for clock precision\n", __func__); | |
2217 | ret = -EINVAL; | |
2218 | goto error; | |
2219 | } | |
2220 | } else if (!strcmp(left, "offset_s")) { | |
2221 | if (clock->offset_s) { | |
2222 | fprintf(fd, "[error] %s: offset_s already declared in clock declaration\n", __func__); | |
2223 | ret = -EPERM; | |
2224 | goto error; | |
2225 | } | |
2226 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset_s); | |
2227 | if (ret) { | |
2228 | fprintf(fd, "[error] %s: unexpected unary expression for clock offset_s\n", __func__); | |
2229 | ret = -EINVAL; | |
2230 | goto error; | |
2231 | } | |
2232 | } else if (!strcmp(left, "offset")) { | |
2233 | if (clock->offset) { | |
2234 | fprintf(fd, "[error] %s: offset already declared in clock declaration\n", __func__); | |
2235 | ret = -EPERM; | |
2236 | goto error; | |
2237 | } | |
2238 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset); | |
2239 | if (ret) { | |
2240 | fprintf(fd, "[error] %s: unexpected unary expression for clock offset\n", __func__); | |
2241 | ret = -EINVAL; | |
2242 | goto error; | |
2243 | } | |
11ac6674 MD |
2244 | } else if (!strcmp(left, "absolute")) { |
2245 | struct ctf_node *right; | |
2246 | ||
2247 | right = _cds_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings); | |
2248 | ret = get_boolean(fd, depth, right); | |
2249 | if (ret < 0) { | |
2250 | fprintf(fd, "[error] %s: unexpected \"absolute\" right member\n", __func__); | |
2251 | ret = -EINVAL; | |
2252 | goto error; | |
2253 | } | |
2254 | clock->absolute = ret; | |
50cb9c56 MD |
2255 | } else { |
2256 | fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in clock declaration.\n", __func__, left); | |
2257 | } | |
2258 | ||
2259 | error: | |
2260 | g_free(left); | |
2261 | break; | |
2262 | } | |
2263 | default: | |
2264 | return -EPERM; | |
2265 | /* TODO: declaration specifier should be added. */ | |
2266 | } | |
2267 | ||
2268 | return ret; | |
2269 | } | |
2270 | ||
2271 | static | |
2272 | int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2273 | { | |
2274 | int ret = 0; | |
2275 | struct ctf_node *iter; | |
2276 | struct ctf_clock *clock; | |
2277 | ||
2278 | clock = g_new0(struct ctf_clock, 1); | |
25ccc85b MD |
2279 | /* Default clock frequency is set to 1000000000 */ |
2280 | clock->freq = 1000000000ULL; | |
50cb9c56 MD |
2281 | cds_list_for_each_entry(iter, &node->u.clock.declaration_list, siblings) { |
2282 | ret = ctf_clock_declaration_visit(fd, depth + 1, iter, clock, trace); | |
2283 | if (ret) | |
2284 | goto error; | |
2285 | } | |
82ace6d6 MD |
2286 | if (opt_clock_force_correlate) { |
2287 | /* | |
2288 | * User requested to forcibly correlate the clock | |
2289 | * sources, even if we have no correlatation | |
2290 | * information. | |
2291 | */ | |
2292 | if (!clock->absolute) { | |
2293 | fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); | |
2294 | } | |
2295 | clock->absolute = 1; | |
2296 | } | |
50cb9c56 MD |
2297 | if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) { |
2298 | ret = -EPERM; | |
2299 | fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__); | |
2300 | goto error; | |
2301 | } | |
25ccc85b | 2302 | if (g_hash_table_size(trace->clocks) > 0) { |
82ace6d6 | 2303 | fprintf(fd, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n"); |
25ccc85b MD |
2304 | ret = -EINVAL; |
2305 | goto error; | |
2306 | } | |
2307 | trace->single_clock = clock; | |
50cb9c56 MD |
2308 | g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); |
2309 | return 0; | |
2310 | ||
2311 | error: | |
2312 | g_free(clock->description); | |
2313 | g_free(clock); | |
2314 | return ret; | |
2315 | } | |
2316 | ||
f57447bd JN |
2317 | static |
2318 | void ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace) | |
2319 | { | |
2320 | struct ctf_clock *clock; | |
2321 | ||
2322 | clock = g_new0(struct ctf_clock, 1); | |
2323 | clock->name = g_quark_from_string("monotonic"); | |
2324 | clock->uuid = 0; | |
2325 | clock->description = g_strdup("Default clock"); | |
2326 | /* Default clock frequency is set to 1000000000 */ | |
2327 | clock->freq = 1000000000ULL; | |
82ace6d6 MD |
2328 | if (opt_clock_force_correlate) { |
2329 | /* | |
2330 | * User requested to forcibly correlate the clock | |
2331 | * sources, even if we have no correlatation | |
2332 | * information. | |
2333 | */ | |
2334 | if (!clock->absolute) { | |
2335 | fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n"); | |
2336 | } | |
2337 | clock->absolute = 1; | |
2338 | } else { | |
2339 | clock->absolute = 0; /* Not an absolute reference across traces */ | |
2340 | } | |
f57447bd JN |
2341 | |
2342 | trace->single_clock = clock; | |
2343 | g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock); | |
2344 | } | |
2345 | ||
50cb9c56 MD |
2346 | static |
2347 | void clock_free(gpointer data) | |
2348 | { | |
2349 | struct ctf_clock *clock = data; | |
2350 | ||
2351 | g_free(clock->description); | |
2352 | g_free(clock); | |
2353 | } | |
2354 | ||
cadd09e9 MD |
2355 | static |
2356 | int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node, | |
2357 | struct ctf_trace *trace) | |
2358 | { | |
2359 | int ret = 0; | |
2360 | struct ctf_tracer_env *env = &trace->env; | |
2361 | ||
2362 | switch (node->type) { | |
2363 | case NODE_CTF_EXPRESSION: | |
2364 | { | |
2365 | char *left; | |
2366 | ||
2367 | left = concatenate_unary_strings(&node->u.ctf_expression.left); | |
2368 | if (!strcmp(left, "vpid")) { | |
2369 | uint64_t v; | |
2370 | ||
2371 | if (env->vpid != -1) { | |
2372 | fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__); | |
2373 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2374 | } | |
2375 | ret = get_unary_unsigned(&node->u.ctf_expression.right, &v); | |
2376 | if (ret) { | |
2377 | fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__); | |
2378 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2379 | } | |
2380 | env->vpid = (int) v; | |
6070d2f1 | 2381 | printf_verbose("env.vpid = %d\n", env->vpid); |
cadd09e9 MD |
2382 | } else if (!strcmp(left, "procname")) { |
2383 | char *right; | |
2384 | ||
2385 | if (env->procname[0]) { | |
2386 | fprintf(fd, "[warning] %s: duplicated env procname\n", __func__); | |
2387 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2388 | } | |
2389 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2390 | if (!right) { | |
2391 | fprintf(fd, "[warning] %s: unexpected unary expression for env procname\n", __func__); | |
2392 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2393 | } | |
2394 | strncpy(env->procname, right, TRACER_ENV_LEN); | |
2395 | env->procname[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2396 | printf_verbose("env.procname = %s\n", env->procname); |
cadd09e9 MD |
2397 | } else if (!strcmp(left, "domain")) { |
2398 | char *right; | |
2399 | ||
2400 | if (env->domain[0]) { | |
2401 | fprintf(fd, "[warning] %s: duplicated env domain\n", __func__); | |
2402 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2403 | } | |
2404 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2405 | if (!right) { | |
2406 | fprintf(fd, "[warning] %s: unexpected unary expression for env domain\n", __func__); | |
2407 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2408 | } | |
2409 | strncpy(env->domain, right, TRACER_ENV_LEN); | |
2410 | env->domain[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2411 | printf_verbose("env.domain = %s\n", env->domain); |
cadd09e9 MD |
2412 | } else if (!strcmp(left, "sysname")) { |
2413 | char *right; | |
2414 | ||
2415 | if (env->sysname[0]) { | |
2416 | fprintf(fd, "[warning] %s: duplicated env sysname\n", __func__); | |
2417 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2418 | } | |
2419 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2420 | if (!right) { | |
2421 | fprintf(fd, "[warning] %s: unexpected unary expression for env sysname\n", __func__); | |
2422 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2423 | } | |
2424 | strncpy(env->sysname, right, TRACER_ENV_LEN); | |
2425 | env->sysname[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2426 | printf_verbose("env.sysname = %s\n", env->sysname); |
cadd09e9 MD |
2427 | } else if (!strcmp(left, "release")) { |
2428 | char *right; | |
2429 | ||
2430 | if (env->release[0]) { | |
2431 | fprintf(fd, "[warning] %s: duplicated env release\n", __func__); | |
2432 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2433 | } | |
2434 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2435 | if (!right) { | |
2436 | fprintf(fd, "[warning] %s: unexpected unary expression for env release\n", __func__); | |
2437 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2438 | } | |
2439 | strncpy(env->release, right, TRACER_ENV_LEN); | |
2440 | env->release[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2441 | printf_verbose("env.release = %s\n", env->release); |
cadd09e9 MD |
2442 | } else if (!strcmp(left, "version")) { |
2443 | char *right; | |
2444 | ||
2445 | if (env->version[0]) { | |
2446 | fprintf(fd, "[warning] %s: duplicated env version\n", __func__); | |
2447 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2448 | } | |
2449 | right = concatenate_unary_strings(&node->u.ctf_expression.right); | |
2450 | if (!right) { | |
2451 | fprintf(fd, "[warning] %s: unexpected unary expression for env version\n", __func__); | |
2452 | goto error; /* ret is 0, so not an actual error, just warn. */ | |
2453 | } | |
2454 | strncpy(env->version, right, TRACER_ENV_LEN); | |
2455 | env->version[TRACER_ENV_LEN - 1] = '\0'; | |
6070d2f1 | 2456 | printf_verbose("env.version = %s\n", env->version); |
cadd09e9 MD |
2457 | } else { |
2458 | printf_verbose("%s: attribute \"%s\" is unknown in environment declaration.\n", __func__, left); | |
2459 | } | |
2460 | ||
2461 | error: | |
2462 | g_free(left); | |
2463 | break; | |
2464 | } | |
2465 | default: | |
2466 | return -EPERM; | |
2467 | } | |
2468 | ||
2469 | return ret; | |
2470 | } | |
2471 | ||
e2c76a4d MD |
2472 | static |
2473 | int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2474 | { | |
cadd09e9 MD |
2475 | int ret = 0; |
2476 | struct ctf_node *iter; | |
2477 | ||
2478 | trace->env.vpid = -1; | |
2479 | trace->env.procname[0] = '\0'; | |
2480 | trace->env.domain[0] = '\0'; | |
2481 | trace->env.sysname[0] = '\0'; | |
2482 | trace->env.release[0] = '\0'; | |
2483 | trace->env.version[0] = '\0'; | |
2484 | cds_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) { | |
2485 | ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace); | |
2486 | if (ret) | |
2487 | goto error; | |
2488 | } | |
2489 | error: | |
2490 | return 0; | |
e2c76a4d MD |
2491 | } |
2492 | ||
78af2bcd MD |
2493 | static |
2494 | int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace) | |
2495 | { | |
2496 | int ret = 0; | |
2497 | ||
2498 | switch (node->type) { | |
2499 | case NODE_TYPEDEF: | |
2500 | ret = ctf_typedef_visit(fd, depth + 1, | |
2501 | trace->root_declaration_scope, | |
2502 | node->u._typedef.type_specifier_list, | |
2503 | &node->u._typedef.type_declarators, | |
2504 | trace); | |
2505 | if (ret) | |
2506 | return ret; | |
2507 | break; | |
2508 | case NODE_TYPEALIAS: | |
2509 | ret = ctf_typealias_visit(fd, depth + 1, | |
2510 | trace->root_declaration_scope, | |
2511 | node->u.typealias.target, node->u.typealias.alias, | |
2512 | trace); | |
2513 | if (ret) | |
2514 | return ret; | |
2515 | break; | |
2516 | case NODE_TYPE_SPECIFIER_LIST: | |
2517 | { | |
2518 | struct declaration *declaration; | |
2519 | ||
2520 | /* | |
2521 | * Just add the type specifier to the root scope | |
2522 | * declaration scope. Release local reference. | |
2523 | */ | |
2524 | declaration = ctf_type_specifier_list_visit(fd, depth + 1, | |
2525 | node, trace->root_declaration_scope, trace); | |
2526 | if (!declaration) | |
2527 | return -ENOMEM; | |
2528 | declaration_unref(declaration); | |
2529 | break; | |
2530 | } | |
2531 | default: | |
2532 | return -EPERM; | |
2533 | } | |
2534 | ||
2535 | return 0; | |
2536 | } | |
2537 | ||
50cb9c56 | 2538 | /* TODO: missing metadata "destroy" (memory leak) */ |
ab4cf058 MD |
2539 | int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node, |
2540 | struct ctf_trace *trace, int byte_order) | |
05628561 MD |
2541 | { |
2542 | int ret = 0; | |
2543 | struct ctf_node *iter; | |
e2c76a4d | 2544 | int env_clock_done = 0; |
05628561 | 2545 | |
c8b219a3 | 2546 | printf_verbose("CTF visitor: metadata construction... "); |
ab4cf058 | 2547 | trace->byte_order = byte_order; |
50cb9c56 MD |
2548 | trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal, |
2549 | NULL, clock_free); | |
ab4cf058 | 2550 | |
00f7c1a5 MD |
2551 | retry: |
2552 | trace->root_declaration_scope = new_declaration_scope(NULL); | |
2553 | ||
05628561 MD |
2554 | switch (node->type) { |
2555 | case NODE_ROOT: | |
e2c76a4d | 2556 | if (!env_clock_done) { |
56e60373 MD |
2557 | /* |
2558 | * declarations need to query clock hash table, | |
2559 | * so clock need to be treated first. | |
2560 | */ | |
f57447bd JN |
2561 | if (cds_list_empty(&node->u.root.clock)) { |
2562 | ctf_clock_default(fd, depth + 1, trace); | |
2563 | } else { | |
2564 | cds_list_for_each_entry(iter, &node->u.root.clock, siblings) { | |
2565 | ret = ctf_clock_visit(fd, depth + 1, iter, | |
2566 | trace); | |
2567 | if (ret) { | |
2568 | fprintf(fd, "[error] %s: clock declaration error\n", __func__); | |
2569 | goto error; | |
2570 | } | |
56e60373 MD |
2571 | } |
2572 | } | |
e2c76a4d | 2573 | env_clock_done = 1; |
56e60373 | 2574 | } |
3e11b713 | 2575 | cds_list_for_each_entry(iter, &node->u.root.declaration_list, |
05628561 | 2576 | siblings) { |
78af2bcd | 2577 | ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace); |
427c09b7 MD |
2578 | if (ret) { |
2579 | fprintf(fd, "[error] %s: root declaration error\n", __func__); | |
a0fe7d97 | 2580 | goto error; |
427c09b7 | 2581 | } |
05628561 MD |
2582 | } |
2583 | cds_list_for_each_entry(iter, &node->u.root.trace, siblings) { | |
2584 | ret = ctf_trace_visit(fd, depth + 1, iter, trace); | |
00f7c1a5 MD |
2585 | if (ret == -EINTR) { |
2586 | free_declaration_scope(trace->root_declaration_scope); | |
2587 | /* | |
2588 | * Need to restart creation of type | |
2589 | * definitions, aliases and | |
2590 | * trace header declarations. | |
2591 | */ | |
2592 | goto retry; | |
2593 | } | |
427c09b7 MD |
2594 | if (ret) { |
2595 | fprintf(fd, "[error] %s: trace declaration error\n", __func__); | |
a0fe7d97 | 2596 | goto error; |
427c09b7 | 2597 | } |
05628561 | 2598 | } |
5039b4cc MD |
2599 | if (!trace->streams) { |
2600 | fprintf(fd, "[error] %s: missing trace declaration\n", __func__); | |
a0fe7d97 MD |
2601 | ret = -EINVAL; |
2602 | goto error; | |
5039b4cc | 2603 | } |
cadd09e9 MD |
2604 | cds_list_for_each_entry(iter, &node->u.root.env, siblings) { |
2605 | ret = ctf_env_visit(fd, depth + 1, iter, trace); | |
2606 | if (ret) { | |
2607 | fprintf(fd, "[error] %s: env declaration error\n", __func__); | |
2608 | goto error; | |
2609 | } | |
2610 | } | |
05628561 MD |
2611 | cds_list_for_each_entry(iter, &node->u.root.stream, siblings) { |
2612 | ret = ctf_stream_visit(fd, depth + 1, iter, | |
41253107 | 2613 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2614 | if (ret) { |
2615 | fprintf(fd, "[error] %s: stream declaration error\n", __func__); | |
a0fe7d97 | 2616 | goto error; |
427c09b7 | 2617 | } |
05628561 MD |
2618 | } |
2619 | cds_list_for_each_entry(iter, &node->u.root.event, siblings) { | |
2620 | ret = ctf_event_visit(fd, depth + 1, iter, | |
41253107 | 2621 | trace->root_declaration_scope, trace); |
427c09b7 MD |
2622 | if (ret) { |
2623 | fprintf(fd, "[error] %s: event declaration error\n", __func__); | |
a0fe7d97 | 2624 | goto error; |
427c09b7 | 2625 | } |
05628561 MD |
2626 | } |
2627 | break; | |
05628561 MD |
2628 | case NODE_UNKNOWN: |
2629 | default: | |
78af2bcd | 2630 | fprintf(fd, "[error] %s: unknown node type %d\n", __func__, |
05628561 | 2631 | (int) node->type); |
a0fe7d97 MD |
2632 | ret = -EINVAL; |
2633 | goto error; | |
05628561 | 2634 | } |
c8b219a3 | 2635 | printf_verbose("done.\n"); |
05628561 | 2636 | return ret; |
a0fe7d97 MD |
2637 | |
2638 | error: | |
2639 | free_declaration_scope(trace->root_declaration_scope); | |
50cb9c56 | 2640 | g_hash_table_destroy(trace->clocks); |
a0fe7d97 | 2641 | return ret; |
05628561 | 2642 | } |