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88e17b57 | 1 | /* GNU Objective C Runtime selector related functions |
748086b7 | 2 | Copyright (C) 1993, 1995, 1996, 1997, 2002, 2004, 2009 Free Software Foundation, Inc. |
88e17b57 BE |
3 | Contributed by Kresten Krab Thorup |
4 | ||
38709cad | 5 | This file is part of GCC. |
88e17b57 | 6 | |
38709cad | 7 | GCC is free software; you can redistribute it and/or modify it under the |
88e17b57 | 8 | terms of the GNU General Public License as published by the Free Software |
748086b7 | 9 | Foundation; either version 3, or (at your option) any later version. |
88e17b57 | 10 | |
38709cad | 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
88e17b57 BE |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | |
14 | details. | |
15 | ||
748086b7 JJ |
16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
88e17b57 | 24 | |
6dead247 | 25 | #include "objc-private/common.h" |
9ecfa8de | 26 | #include "objc/runtime.h" |
a19fac96 | 27 | #include "objc/thr.h" |
5be9cdc1 | 28 | #include "objc-private/hash.h" |
9ecfa8de NP |
29 | #include "objc-private/objc-list.h" |
30 | #include "objc-private/module-abi-8.h" | |
a19fac96 | 31 | #include "objc-private/runtime.h" |
5d3b14bd | 32 | #include "objc-private/sarray.h" |
1af5b8f5 | 33 | #include "objc-private/selector.h" |
88e17b57 | 34 | |
d4645ada | 35 | /* Initial selector hash table size. Value doesn't matter much. */ |
88e17b57 BE |
36 | #define SELECTOR_HASH_SIZE 128 |
37 | ||
d4645ada | 38 | /* Tables mapping selector names to uid and opposite. */ |
40165636 RB |
39 | static struct sarray *__objc_selector_array = 0; /* uid -> sel !T:MUTEX */ |
40 | static struct sarray *__objc_selector_names = 0; /* uid -> name !T:MUTEX */ | |
88e17b57 BE |
41 | static cache_ptr __objc_selector_hash = 0; /* name -> uid !T:MUTEX */ |
42 | ||
d4645ada | 43 | /* Number of selectors stored in each of the above tables. */ |
b62cc13a | 44 | unsigned int __objc_selector_max_index = 0; /* !T:MUTEX */ |
88e17b57 | 45 | |
600cbba2 NP |
46 | /* Forward-declare an internal function. */ |
47 | static SEL | |
48 | __sel_register_typed_name (const char *name, const char *types, | |
49 | struct objc_selector *orig, BOOL is_const); | |
50 | ||
64cbe55e | 51 | void __objc_init_selector_tables (void) |
88e17b57 BE |
52 | { |
53 | __objc_selector_array = sarray_new (SELECTOR_HASH_SIZE, 0); | |
54 | __objc_selector_names = sarray_new (SELECTOR_HASH_SIZE, 0); | |
55 | __objc_selector_hash | |
270a1283 DA |
56 | = objc_hash_new (SELECTOR_HASH_SIZE, |
57 | (hash_func_type) objc_hash_string, | |
58 | (compare_func_type) objc_compare_strings); | |
88e17b57 BE |
59 | } |
60 | ||
600cbba2 NP |
61 | /* Register a bunch of selectors from the table of selectors in a |
62 | module. 'selectors' should not be NULL. The list is terminated by | |
63 | a selectors with a NULL sel_id. The selectors are assumed to | |
64 | contain the 'name' in the sel_id field; this is replaced with the | |
65 | final selector id after they are registered. */ | |
66 | void | |
67 | __objc_register_selectors_from_module (struct objc_selector *selectors) | |
68 | { | |
69 | int i; | |
70 | ||
71 | for (i = 0; selectors[i].sel_id; ++i) | |
72 | { | |
73 | const char *name, *type; | |
74 | name = (char *) selectors[i].sel_id; | |
75 | type = (char *) selectors[i].sel_types; | |
76 | /* Constructors are constant static data and we can safely store | |
77 | pointers to them in the runtime structures, so we set | |
78 | is_const == YES. */ | |
79 | __sel_register_typed_name (name, type, (struct objc_selector *) &(selectors[i]), | |
80 | /* is_const */ YES); | |
81 | } | |
82 | } | |
83 | ||
d4645ada NP |
84 | /* This routine is given a class and records all of the methods in its |
85 | class structure in the record table. */ | |
88e17b57 BE |
86 | void |
87 | __objc_register_selectors_from_class (Class class) | |
88 | { | |
9ecfa8de | 89 | struct objc_method_list * method_list; |
88e17b57 BE |
90 | |
91 | method_list = class->methods; | |
92 | while (method_list) | |
93 | { | |
435317e2 | 94 | __objc_register_selectors_from_list (method_list); |
88e17b57 BE |
95 | method_list = method_list->method_next; |
96 | } | |
97 | } | |
98 | ||
99 | ||
d4645ada NP |
100 | /* This routine is given a list of methods and records each of the |
101 | methods in the record table. This is the routine that does the | |
102 | actual recording work. | |
88e17b57 | 103 | |
435317e2 | 104 | The name and type pointers in the method list must be permanent and |
d4645ada | 105 | immutable. */ |
435317e2 | 106 | void |
9ecfa8de | 107 | __objc_register_selectors_from_list (struct objc_method_list *method_list) |
88e17b57 BE |
108 | { |
109 | int i = 0; | |
435317e2 AP |
110 | |
111 | objc_mutex_lock (__objc_runtime_mutex); | |
88e17b57 BE |
112 | while (i < method_list->method_count) |
113 | { | |
9ecfa8de | 114 | Method method = &method_list->method_list[i]; |
435317e2 AP |
115 | if (method->method_name) |
116 | { | |
117 | method->method_name | |
118 | = __sel_register_typed_name ((const char *) method->method_name, | |
119 | method->method_types, 0, YES); | |
120 | } | |
88e17b57 BE |
121 | i += 1; |
122 | } | |
435317e2 | 123 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
124 | } |
125 | ||
f7185d47 NP |
126 | /* The same as __objc_register_selectors_from_list, but works on a |
127 | struct objc_method_description_list* instead of a struct | |
128 | objc_method_list*. This is only used for protocols, which have | |
d4645ada | 129 | lists of method descriptions, not methods. */ |
f7185d47 NP |
130 | void |
131 | __objc_register_selectors_from_description_list | |
132 | (struct objc_method_description_list *method_list) | |
133 | { | |
134 | int i = 0; | |
135 | ||
136 | objc_mutex_lock (__objc_runtime_mutex); | |
137 | while (i < method_list->count) | |
138 | { | |
139 | struct objc_method_description *method = &method_list->list[i]; | |
140 | if (method->name) | |
141 | { | |
142 | method->name | |
143 | = __sel_register_typed_name ((const char *) method->name, | |
144 | method->types, 0, YES); | |
145 | } | |
146 | i += 1; | |
147 | } | |
148 | objc_mutex_unlock (__objc_runtime_mutex); | |
149 | } | |
88e17b57 | 150 | |
d4645ada | 151 | /* Register instance methods as class methods for root classes. */ |
40165636 | 152 | void __objc_register_instance_methods_to_class (Class class) |
88e17b57 | 153 | { |
9ecfa8de NP |
154 | struct objc_method_list *method_list; |
155 | struct objc_method_list *class_method_list; | |
88e17b57 | 156 | int max_methods_no = 16; |
9ecfa8de NP |
157 | struct objc_method_list *new_list; |
158 | Method curr_method; | |
88e17b57 BE |
159 | |
160 | /* Only if a root class. */ | |
40165636 | 161 | if (class->super_class) |
88e17b57 BE |
162 | return; |
163 | ||
d4645ada | 164 | /* Allocate a method list to hold the new class methods. */ |
40165636 | 165 | new_list = objc_calloc (sizeof (struct objc_method_list) |
d4645ada | 166 | + sizeof (struct objc_method[max_methods_no]), 1); |
88e17b57 BE |
167 | method_list = class->methods; |
168 | class_method_list = class->class_pointer->methods; | |
169 | curr_method = &new_list->method_list[0]; | |
d4645ada NP |
170 | |
171 | /* Iterate through the method lists for the class. */ | |
88e17b57 BE |
172 | while (method_list) |
173 | { | |
174 | int i; | |
d4645ada NP |
175 | |
176 | /* Iterate through the methods from this method list. */ | |
88e17b57 BE |
177 | for (i = 0; i < method_list->method_count; i++) |
178 | { | |
9ecfa8de | 179 | Method mth = &method_list->method_list[i]; |
88e17b57 | 180 | if (mth->method_name |
40165636 | 181 | && ! search_for_method_in_list (class_method_list, |
88e17b57 BE |
182 | mth->method_name)) |
183 | { | |
d4645ada NP |
184 | /* This instance method isn't a class method. Add it |
185 | into the new_list. */ | |
88e17b57 | 186 | *curr_method = *mth; |
d4645ada NP |
187 | |
188 | /* Reallocate the method list if necessary. */ | |
40165636 | 189 | if (++new_list->method_count == max_methods_no) |
88e17b57 | 190 | new_list = |
40165636 RB |
191 | objc_realloc (new_list, sizeof (struct objc_method_list) |
192 | + sizeof (struct | |
d4645ada | 193 | objc_method[max_methods_no += 16])); |
88e17b57 BE |
194 | curr_method = &new_list->method_list[new_list->method_count]; |
195 | } | |
196 | } | |
197 | ||
198 | method_list = method_list->method_next; | |
199 | } | |
200 | ||
d4645ada NP |
201 | /* If we created any new class methods then attach the method list |
202 | to the class. */ | |
88e17b57 BE |
203 | if (new_list->method_count) |
204 | { | |
205 | new_list = | |
40165636 | 206 | objc_realloc (new_list, sizeof (struct objc_method_list) |
d4645ada | 207 | + sizeof (struct objc_method[new_list->method_count])); |
88e17b57 BE |
208 | new_list->method_next = class->class_pointer->methods; |
209 | class->class_pointer->methods = new_list; | |
210 | } | |
5af0e6ae AF |
211 | else |
212 | objc_free(new_list); | |
d4645ada NP |
213 | |
214 | __objc_update_dispatch_table_for_class (class->class_pointer); | |
88e17b57 BE |
215 | } |
216 | ||
debfbfee NP |
217 | BOOL |
218 | sel_isEqual (SEL s1, SEL s2) | |
219 | { | |
220 | if (s1 == 0 || s2 == 0) | |
221 | return s1 == s2; | |
222 | else | |
223 | return s1->sel_id == s2->sel_id; | |
224 | } | |
88e17b57 | 225 | |
d4645ada NP |
226 | /* Return YES iff t1 and t2 have same method types. Ignore the |
227 | argframe layout. */ | |
88e17b57 | 228 | BOOL |
40165636 | 229 | sel_types_match (const char *t1, const char *t2) |
88e17b57 | 230 | { |
40165636 | 231 | if (! t1 || ! t2) |
88e17b57 BE |
232 | return NO; |
233 | while (*t1 && *t2) | |
234 | { | |
235 | if (*t1 == '+') t1++; | |
236 | if (*t2 == '+') t2++; | |
40165636 RB |
237 | while (isdigit ((unsigned char) *t1)) t1++; |
238 | while (isdigit ((unsigned char) *t2)) t2++; | |
88e17b57 | 239 | /* xxx Remove these next two lines when qualifiers are put in |
d4645ada | 240 | all selectors, not just Protocol selectors. */ |
40165636 RB |
241 | t1 = objc_skip_type_qualifiers (t1); |
242 | t2 = objc_skip_type_qualifiers (t2); | |
243 | if (! *t1 && ! *t2) | |
88e17b57 BE |
244 | return YES; |
245 | if (*t1 != *t2) | |
246 | return NO; | |
247 | t1++; | |
248 | t2++; | |
249 | } | |
250 | return NO; | |
251 | } | |
252 | ||
d4645ada | 253 | /* Return selector representing name. */ |
88e17b57 BE |
254 | SEL |
255 | sel_get_typed_uid (const char *name, const char *types) | |
256 | { | |
257 | struct objc_list *l; | |
258 | sidx i; | |
259 | ||
40165636 | 260 | objc_mutex_lock (__objc_runtime_mutex); |
88e17b57 | 261 | |
270a1283 | 262 | i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); |
88e17b57 BE |
263 | if (i == 0) |
264 | { | |
40165636 | 265 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
266 | return 0; |
267 | } | |
268 | ||
40165636 | 269 | for (l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); |
88e17b57 BE |
270 | l; l = l->tail) |
271 | { | |
40165636 | 272 | SEL s = (SEL) l->head; |
88e17b57 BE |
273 | if (types == 0 || s->sel_types == 0) |
274 | { | |
275 | if (s->sel_types == types) | |
276 | { | |
40165636 | 277 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
278 | return s; |
279 | } | |
280 | } | |
281 | else if (sel_types_match (s->sel_types, types)) | |
282 | { | |
40165636 | 283 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
284 | return s; |
285 | } | |
286 | } | |
287 | ||
40165636 | 288 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
289 | return 0; |
290 | } | |
291 | ||
d4645ada NP |
292 | /* Return selector representing name; prefer a selector with non-NULL |
293 | type. */ | |
88e17b57 BE |
294 | SEL |
295 | sel_get_any_typed_uid (const char *name) | |
296 | { | |
297 | struct objc_list *l; | |
298 | sidx i; | |
299 | SEL s = NULL; | |
300 | ||
40165636 | 301 | objc_mutex_lock (__objc_runtime_mutex); |
88e17b57 | 302 | |
270a1283 | 303 | i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); |
88e17b57 BE |
304 | if (i == 0) |
305 | { | |
40165636 | 306 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
307 | return 0; |
308 | } | |
309 | ||
40165636 | 310 | for (l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); |
88e17b57 BE |
311 | l; l = l->tail) |
312 | { | |
313 | s = (SEL) l->head; | |
314 | if (s->sel_types) | |
315 | { | |
48d69c57 NP |
316 | objc_mutex_unlock (__objc_runtime_mutex); |
317 | return s; | |
88e17b57 BE |
318 | } |
319 | } | |
320 | ||
40165636 | 321 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
322 | return s; |
323 | } | |
324 | ||
d4645ada | 325 | /* Return selector representing name. */ |
88e17b57 BE |
326 | SEL |
327 | sel_get_any_uid (const char *name) | |
328 | { | |
329 | struct objc_list *l; | |
330 | sidx i; | |
331 | ||
40165636 | 332 | objc_mutex_lock (__objc_runtime_mutex); |
88e17b57 | 333 | |
270a1283 | 334 | i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); |
88e17b57 BE |
335 | if (soffset_decode (i) == 0) |
336 | { | |
40165636 | 337 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
338 | return 0; |
339 | } | |
340 | ||
40165636 RB |
341 | l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); |
342 | objc_mutex_unlock (__objc_runtime_mutex); | |
88e17b57 BE |
343 | |
344 | if (l == 0) | |
345 | return 0; | |
346 | ||
40165636 | 347 | return (SEL) l->head; |
88e17b57 BE |
348 | } |
349 | ||
d4645ada NP |
350 | /* Get the name of a selector. If the selector is unknown, the empty |
351 | string "" is returned. */ | |
bc18535a | 352 | const char *sel_getName (SEL selector) |
88e17b57 BE |
353 | { |
354 | const char *ret; | |
355 | ||
524660d2 NP |
356 | if (selector == NULL) |
357 | return "<null selector>"; | |
d4645ada | 358 | |
40165636 RB |
359 | objc_mutex_lock (__objc_runtime_mutex); |
360 | if ((soffset_decode ((sidx)selector->sel_id) > 0) | |
361 | && (soffset_decode ((sidx)selector->sel_id) <= __objc_selector_max_index)) | |
88e17b57 BE |
362 | ret = sarray_get_safe (__objc_selector_names, (sidx) selector->sel_id); |
363 | else | |
364 | ret = 0; | |
40165636 | 365 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
366 | return ret; |
367 | } | |
368 | ||
bc18535a NP |
369 | /* Traditional GNU Objective-C Runtime API. */ |
370 | const char *sel_get_name (SEL selector) | |
371 | { | |
524660d2 NP |
372 | if (selector == NULL) |
373 | return 0; | |
374 | ||
bc18535a NP |
375 | return sel_getName (selector); |
376 | } | |
377 | ||
88e17b57 BE |
378 | BOOL |
379 | sel_is_mapped (SEL selector) | |
380 | { | |
381 | unsigned int idx = soffset_decode ((sidx)selector->sel_id); | |
382 | return ((idx > 0) && (idx <= __objc_selector_max_index)); | |
383 | } | |
384 | ||
bc18535a | 385 | const char *sel_getType (SEL selector) |
88e17b57 BE |
386 | { |
387 | if (selector) | |
388 | return selector->sel_types; | |
389 | else | |
390 | return 0; | |
391 | } | |
392 | ||
bc18535a NP |
393 | /* Traditional GNU Objective-C Runtime API. */ |
394 | const char *sel_get_type (SEL selector) | |
395 | { | |
396 | return sel_getType (selector); | |
397 | } | |
398 | ||
d4645ada | 399 | /* The uninstalled dispatch table. */ |
40165636 | 400 | extern struct sarray *__objc_uninstalled_dtable; |
88e17b57 | 401 | |
435317e2 | 402 | /* __sel_register_typed_name allocates lots of struct objc_selector:s |
d4645ada NP |
403 | of 8 (16, if pointers are 64 bits) bytes at startup. To reduce the |
404 | number of malloc calls and memory lost to malloc overhead, we | |
405 | allocate objc_selector:s in blocks here. This is only called from | |
406 | __sel_register_typed_name, and __sel_register_typed_name may only | |
407 | be called when __objc_runtime_mutex is locked. | |
408 | ||
409 | Note that the objc_selector:s allocated from | |
410 | __sel_register_typed_name are never freed. | |
411 | ||
412 | 62 because 62 * sizeof (struct objc_selector) = 496 (992). This | |
413 | should let malloc add some overhead and use a nice, round 512 | |
414 | (1024) byte chunk. */ | |
435317e2 AP |
415 | #define SELECTOR_POOL_SIZE 62 |
416 | static struct objc_selector *selector_pool; | |
417 | static int selector_pool_left; | |
418 | ||
419 | static struct objc_selector * | |
420 | pool_alloc_selector(void) | |
421 | { | |
422 | if (!selector_pool_left) | |
423 | { | |
424 | selector_pool = objc_malloc (sizeof (struct objc_selector) | |
425 | * SELECTOR_POOL_SIZE); | |
426 | selector_pool_left = SELECTOR_POOL_SIZE; | |
427 | } | |
428 | return &selector_pool[--selector_pool_left]; | |
429 | } | |
430 | ||
d4645ada NP |
431 | /* Store the passed selector name in the selector record and return |
432 | its selector value (value returned by sel_get_uid). Assume that | |
433 | the calling function has locked down __objc_runtime_mutex. The | |
600cbba2 | 434 | 'is_const' parameter tells us if the name and types parameters are |
d4645ada NP |
435 | really constant or not. If YES then they are constant and we can |
436 | just store the pointers. If NO then we need to copy name and types | |
600cbba2 NP |
437 | because the pointers may disappear later on. If the 'orig' |
438 | parameter is not NULL, then we are registering a selector from a | |
439 | module, and 'orig' is that selector. In this case, we can put the | |
440 | selector in the tables if needed, and orig->sel_id is updated with | |
441 | the selector ID of the registered selector, and 'orig' is | |
442 | returned. */ | |
443 | static SEL | |
88e17b57 BE |
444 | __sel_register_typed_name (const char *name, const char *types, |
445 | struct objc_selector *orig, BOOL is_const) | |
446 | { | |
40165636 | 447 | struct objc_selector *j; |
88e17b57 BE |
448 | sidx i; |
449 | struct objc_list *l; | |
450 | ||
270a1283 | 451 | i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name); |
88e17b57 BE |
452 | if (soffset_decode (i) != 0) |
453 | { | |
40165636 | 454 | for (l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); |
88e17b57 BE |
455 | l; l = l->tail) |
456 | { | |
40165636 | 457 | SEL s = (SEL) l->head; |
88e17b57 BE |
458 | if (types == 0 || s->sel_types == 0) |
459 | { | |
460 | if (s->sel_types == types) | |
461 | { | |
462 | if (orig) | |
463 | { | |
40165636 | 464 | orig->sel_id = (void *) i; |
88e17b57 BE |
465 | return orig; |
466 | } | |
467 | else | |
468 | return s; | |
469 | } | |
470 | } | |
40165636 | 471 | else if (! strcmp (s->sel_types, types)) |
88e17b57 BE |
472 | { |
473 | if (orig) | |
474 | { | |
40165636 | 475 | orig->sel_id = (void *) i; |
88e17b57 BE |
476 | return orig; |
477 | } | |
478 | else | |
479 | return s; | |
480 | } | |
481 | } | |
482 | if (orig) | |
483 | j = orig; | |
484 | else | |
435317e2 | 485 | j = pool_alloc_selector (); |
d4645ada | 486 | |
40165636 | 487 | j->sel_id = (void *) i; |
d4645ada NP |
488 | /* Can we use the pointer or must copy types? Don't copy if |
489 | NULL. */ | |
88e17b57 | 490 | if ((is_const) || (types == 0)) |
40165636 | 491 | j->sel_types = (const char *) types; |
d4645ada NP |
492 | else |
493 | { | |
494 | j->sel_types = (char *) objc_malloc (strlen (types) + 1); | |
495 | strcpy ((char *) j->sel_types, types); | |
496 | } | |
40165636 | 497 | l = (struct objc_list *) sarray_get_safe (__objc_selector_array, i); |
88e17b57 BE |
498 | } |
499 | else | |
500 | { | |
501 | __objc_selector_max_index += 1; | |
40165636 | 502 | i = soffset_encode (__objc_selector_max_index); |
88e17b57 BE |
503 | if (orig) |
504 | j = orig; | |
505 | else | |
435317e2 | 506 | j = pool_alloc_selector (); |
d4645ada | 507 | |
40165636 | 508 | j->sel_id = (void *) i; |
d4645ada NP |
509 | /* Can we use the pointer or must copy types? Don't copy if |
510 | NULL. */ | |
88e17b57 | 511 | if ((is_const) || (types == 0)) |
40165636 | 512 | j->sel_types = (const char *) types; |
d4645ada NP |
513 | else |
514 | { | |
515 | j->sel_types = (char *) objc_malloc (strlen (types) + 1); | |
516 | strcpy ((char *) j->sel_types, types); | |
517 | } | |
88e17b57 BE |
518 | l = 0; |
519 | } | |
520 | ||
521 | DEBUG_PRINTF ("Record selector %s[%s] as: %ld\n", name, types, | |
435317e2 | 522 | (long) soffset_decode (i)); |
88e17b57 BE |
523 | |
524 | { | |
525 | int is_new = (l == 0); | |
526 | const char *new_name; | |
527 | ||
d4645ada NP |
528 | /* Can we use the pointer or must copy name? Don't copy if |
529 | NULL. */ | |
88e17b57 BE |
530 | if ((is_const) || (name == 0)) |
531 | new_name = name; | |
d4645ada NP |
532 | else |
533 | { | |
534 | new_name = (char *) objc_malloc (strlen (name) + 1); | |
535 | strcpy ((char *) new_name, name); | |
536 | } | |
537 | ||
40165636 | 538 | l = list_cons ((void *) j, l); |
88e17b57 BE |
539 | sarray_at_put_safe (__objc_selector_names, i, (void *) new_name); |
540 | sarray_at_put_safe (__objc_selector_array, i, (void *) l); | |
541 | if (is_new) | |
270a1283 | 542 | objc_hash_add (&__objc_selector_hash, (void *) new_name, (void *) i); |
88e17b57 | 543 | } |
d4645ada | 544 | |
40165636 | 545 | sarray_realloc (__objc_uninstalled_dtable, __objc_selector_max_index + 1); |
d4645ada | 546 | |
88e17b57 BE |
547 | return (SEL) j; |
548 | } | |
549 | ||
550 | SEL | |
bc18535a | 551 | sel_registerName (const char *name) |
88e17b57 BE |
552 | { |
553 | SEL ret; | |
554 | ||
40165636 | 555 | objc_mutex_lock (__objc_runtime_mutex); |
88e17b57 | 556 | /* Assume that name is not constant static memory and needs to be |
d4645ada | 557 | copied before put into a runtime structure. is_const == NO. */ |
88e17b57 | 558 | ret = __sel_register_typed_name (name, 0, 0, NO); |
40165636 | 559 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
560 | |
561 | return ret; | |
562 | } | |
563 | ||
bc18535a | 564 | /* Traditional GNU Objective-C Runtime API. */ |
88e17b57 | 565 | SEL |
bc18535a NP |
566 | sel_register_name (const char *name) |
567 | { | |
568 | return sel_registerName (name); | |
569 | } | |
570 | ||
571 | SEL | |
572 | sel_registerTypedName (const char *name, const char *type) | |
88e17b57 BE |
573 | { |
574 | SEL ret; | |
435317e2 | 575 | |
40165636 | 576 | objc_mutex_lock (__objc_runtime_mutex); |
d4645ada NP |
577 | /* Assume that name and type are not constant static memory and need |
578 | to be copied before put into a runtime structure. is_const == | |
579 | NO. */ | |
88e17b57 | 580 | ret = __sel_register_typed_name (name, type, 0, NO); |
40165636 | 581 | objc_mutex_unlock (__objc_runtime_mutex); |
88e17b57 BE |
582 | |
583 | return ret; | |
584 | } | |
bc18535a NP |
585 | |
586 | SEL | |
587 | sel_register_typed_name (const char *name, const char *type) | |
588 | { | |
589 | return sel_registerTypedName (name, type); | |
590 | } | |
591 | ||
d4645ada | 592 | /* Return the selector representing name. */ |
bc18535a NP |
593 | SEL |
594 | sel_getUid (const char *name) | |
595 | { | |
596 | return sel_registerTypedName (name, 0); | |
597 | } | |
598 | ||
599 | /* Traditional GNU Objective-C Runtime API. */ | |
600 | SEL | |
601 | sel_get_uid (const char *name) | |
602 | { | |
603 | return sel_getUid (name); | |
604 | } |