xref: /PHP-8.1/ext/opcache/zend_persist_calc.c (revision aff36587)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend OPcache                                                         |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | https://www.php.net/license/3_01.txt                                 |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Andi Gutmans <andi@php.net>                                 |
16    |          Zeev Suraski <zeev@php.net>                                 |
17    |          Stanislav Malyshev <stas@zend.com>                          |
18    |          Dmitry Stogov <dmitry@php.net>                              |
19    +----------------------------------------------------------------------+
20 */
21 
22 #include "zend.h"
23 #include "ZendAccelerator.h"
24 #include "zend_persist.h"
25 #include "zend_extensions.h"
26 #include "zend_shared_alloc.h"
27 #include "zend_operators.h"
28 #include "zend_attributes.h"
29 
30 #define ADD_DUP_SIZE(m,s)  ZCG(current_persistent_script)->size += zend_shared_memdup_size((void*)m, s)
31 #define ADD_SIZE(m)        ZCG(current_persistent_script)->size += ZEND_ALIGNED_SIZE(m)
32 
33 # define ADD_STRING(str) ADD_DUP_SIZE((str), _ZSTR_STRUCT_SIZE(ZSTR_LEN(str)))
34 
35 # define ADD_INTERNED_STRING(str) do { \
36 		if (ZCG(current_persistent_script)->corrupted) { \
37 			ADD_STRING(str); \
38 		} else if (!IS_ACCEL_INTERNED(str)) { \
39 			zend_string *tmp = accel_new_interned_string(str); \
40 			if (tmp != (str)) { \
41 				(str) = tmp; \
42 			} else { \
43 				ADD_STRING(str); \
44 			} \
45 		} \
46 	} while (0)
47 
48 static void zend_persist_zval_calc(zval *z);
49 static void zend_persist_op_array_calc(zval *zv);
50 
zend_hash_persist_calc(HashTable * ht)51 static void zend_hash_persist_calc(HashTable *ht)
52 {
53 	if ((HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED) || ht->nNumUsed == 0) {
54 		return;
55 	}
56 
57 	if (!(HT_FLAGS(ht) & HASH_FLAG_PACKED) && ht->nNumUsed > HT_MIN_SIZE && ht->nNumUsed < (uint32_t)(-(int32_t)ht->nTableMask) / 4) {
58 		/* compact table */
59 		uint32_t hash_size;
60 
61 		hash_size = (uint32_t)(-(int32_t)ht->nTableMask);
62 		while (hash_size >> 2 > ht->nNumUsed) {
63 			hash_size >>= 1;
64 		}
65 		ADD_SIZE(hash_size * sizeof(uint32_t) + ht->nNumUsed * sizeof(Bucket));
66 	} else {
67 		ADD_SIZE(HT_USED_SIZE(ht));
68 	}
69 }
70 
zend_persist_ast_calc(zend_ast * ast)71 static void zend_persist_ast_calc(zend_ast *ast)
72 {
73 	uint32_t i;
74 
75 	if (ast->kind == ZEND_AST_ZVAL || ast->kind == ZEND_AST_CONSTANT) {
76 		ADD_SIZE(sizeof(zend_ast_zval));
77 		zend_persist_zval_calc(&((zend_ast_zval*)(ast))->val);
78 	} else if (zend_ast_is_list(ast)) {
79 		zend_ast_list *list = zend_ast_get_list(ast);
80 		ADD_SIZE(sizeof(zend_ast_list) - sizeof(zend_ast *) + sizeof(zend_ast *) * list->children);
81 		for (i = 0; i < list->children; i++) {
82 			if (list->child[i]) {
83 				zend_persist_ast_calc(list->child[i]);
84 			}
85 		}
86 	} else {
87 		uint32_t children = zend_ast_get_num_children(ast);
88 		ADD_SIZE(sizeof(zend_ast) - sizeof(zend_ast *) + sizeof(zend_ast *) * children);
89 		for (i = 0; i < children; i++) {
90 			if (ast->child[i]) {
91 				zend_persist_ast_calc(ast->child[i]);
92 			}
93 		}
94 	}
95 }
96 
zend_persist_zval_calc(zval * z)97 static void zend_persist_zval_calc(zval *z)
98 {
99 	uint32_t size;
100 
101 	switch (Z_TYPE_P(z)) {
102 		case IS_STRING:
103 			ADD_INTERNED_STRING(Z_STR_P(z));
104 			if (ZSTR_IS_INTERNED(Z_STR_P(z))) {
105 				Z_TYPE_FLAGS_P(z) = 0;
106 			}
107 			break;
108 		case IS_ARRAY:
109 			if (!ZCG(current_persistent_script)->corrupted
110 			 && zend_accel_in_shm(Z_ARR_P(z))) {
111 				return;
112 			}
113 			size = zend_shared_memdup_size(Z_ARR_P(z), sizeof(zend_array));
114 			if (size) {
115 				Bucket *p;
116 
117 				ADD_SIZE(size);
118 				zend_hash_persist_calc(Z_ARRVAL_P(z));
119 				ZEND_HASH_FOREACH_BUCKET(Z_ARRVAL_P(z), p) {
120 					if (p->key) {
121 						ADD_INTERNED_STRING(p->key);
122 					}
123 					zend_persist_zval_calc(&p->val);
124 				} ZEND_HASH_FOREACH_END();
125 			}
126 			break;
127 		case IS_CONSTANT_AST:
128 			if (ZCG(current_persistent_script)->corrupted
129 			 || !zend_accel_in_shm(Z_AST_P(z))) {
130 				size = zend_shared_memdup_size(Z_AST_P(z), sizeof(zend_ast_ref));
131 				if (size) {
132 					ADD_SIZE(size);
133 					zend_persist_ast_calc(Z_ASTVAL_P(z));
134 				}
135 			}
136 			break;
137 		default:
138 			ZEND_ASSERT(Z_TYPE_P(z) < IS_STRING);
139 			break;
140 	}
141 }
142 
zend_persist_attributes_calc(HashTable * attributes)143 static void zend_persist_attributes_calc(HashTable *attributes)
144 {
145 	if (!zend_shared_alloc_get_xlat_entry(attributes)
146 	 && (ZCG(current_persistent_script)->corrupted
147 	  || !zend_accel_in_shm(attributes))) {
148 		zend_attribute *attr;
149 		uint32_t i;
150 
151 		zend_shared_alloc_register_xlat_entry(attributes, attributes);
152 		ADD_SIZE(sizeof(HashTable));
153 		zend_hash_persist_calc(attributes);
154 
155 		ZEND_HASH_FOREACH_PTR(attributes, attr) {
156 			ADD_SIZE(ZEND_ATTRIBUTE_SIZE(attr->argc));
157 			ADD_INTERNED_STRING(attr->name);
158 			ADD_INTERNED_STRING(attr->lcname);
159 
160 			for (i = 0; i < attr->argc; i++) {
161 				if (attr->args[i].name) {
162 					ADD_INTERNED_STRING(attr->args[i].name);
163 				}
164 				zend_persist_zval_calc(&attr->args[i].value);
165 			}
166 		} ZEND_HASH_FOREACH_END();
167 	}
168 }
169 
zend_persist_type_calc(zend_type * type)170 static void zend_persist_type_calc(zend_type *type)
171 {
172 	if (ZEND_TYPE_HAS_LIST(*type)) {
173 		ADD_SIZE(ZEND_TYPE_LIST_SIZE(ZEND_TYPE_LIST(*type)->num_types));
174 	}
175 
176 	zend_type *single_type;
177 	ZEND_TYPE_FOREACH(*type, single_type) {
178 		if (ZEND_TYPE_HAS_NAME(*single_type)) {
179 			zend_string *type_name = ZEND_TYPE_NAME(*single_type);
180 			ADD_INTERNED_STRING(type_name);
181 			ZEND_TYPE_SET_PTR(*single_type, type_name);
182 		}
183 	} ZEND_TYPE_FOREACH_END();
184 }
185 
zend_persist_op_array_calc_ex(zend_op_array * op_array)186 static void zend_persist_op_array_calc_ex(zend_op_array *op_array)
187 {
188 	if (op_array->function_name) {
189 		zend_string *old_name = op_array->function_name;
190 		ADD_INTERNED_STRING(op_array->function_name);
191 		/* Remember old function name, so it can be released multiple times if shared. */
192 		if (op_array->function_name != old_name
193 				&& !zend_shared_alloc_get_xlat_entry(&op_array->function_name)) {
194 			zend_shared_alloc_register_xlat_entry(&op_array->function_name, old_name);
195 		}
196 	}
197 
198 	if (op_array->scope) {
199 		if (zend_shared_alloc_get_xlat_entry(op_array->opcodes)) {
200 			/* already stored */
201 			ADD_SIZE(ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist_calc(op_array)));
202 			return;
203 		}
204 	}
205 
206 	if (op_array->scope
207 	 && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
208 	 && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
209 		return;
210 	}
211 
212 	if (op_array->static_variables && !zend_accel_in_shm(op_array->static_variables)) {
213 		if (!zend_shared_alloc_get_xlat_entry(op_array->static_variables)) {
214 			Bucket *p;
215 
216 			zend_shared_alloc_register_xlat_entry(op_array->static_variables, op_array->static_variables);
217 			ADD_SIZE(sizeof(HashTable));
218 			zend_hash_persist_calc(op_array->static_variables);
219 			ZEND_HASH_FOREACH_BUCKET(op_array->static_variables, p) {
220 				ZEND_ASSERT(p->key != NULL);
221 				ADD_INTERNED_STRING(p->key);
222 				zend_persist_zval_calc(&p->val);
223 			} ZEND_HASH_FOREACH_END();
224 		}
225 	}
226 
227 	if (op_array->literals) {
228 		zval *p = op_array->literals;
229 		zval *end = p + op_array->last_literal;
230 		ADD_SIZE(sizeof(zval) * op_array->last_literal);
231 		while (p < end) {
232 			zend_persist_zval_calc(p);
233 			p++;
234 		}
235 	}
236 
237 	zend_shared_alloc_register_xlat_entry(op_array->opcodes, op_array->opcodes);
238 	ADD_SIZE(sizeof(zend_op) * op_array->last);
239 
240 	if (op_array->filename) {
241 		ADD_STRING(op_array->filename);
242 	}
243 
244 	if (op_array->arg_info) {
245 		zend_arg_info *arg_info = op_array->arg_info;
246 		uint32_t num_args = op_array->num_args;
247 		uint32_t i;
248 
249 		if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
250 			num_args++;
251 		}
252 		if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
253 			arg_info--;
254 			num_args++;
255 		}
256 		ADD_SIZE(sizeof(zend_arg_info) * num_args);
257 		for (i = 0; i < num_args; i++) {
258 			if (arg_info[i].name) {
259 				ADD_INTERNED_STRING(arg_info[i].name);
260 			}
261 			zend_persist_type_calc(&arg_info[i].type);
262 		}
263 	}
264 
265 	if (op_array->live_range) {
266 		ADD_SIZE(sizeof(zend_live_range) * op_array->last_live_range);
267 	}
268 
269 	if (ZCG(accel_directives).save_comments && op_array->doc_comment) {
270 		ADD_STRING(op_array->doc_comment);
271 	}
272 
273 	if (op_array->attributes) {
274 		zend_persist_attributes_calc(op_array->attributes);
275 	}
276 
277 	if (op_array->try_catch_array) {
278 		ADD_SIZE(sizeof(zend_try_catch_element) * op_array->last_try_catch);
279 	}
280 
281 	if (op_array->vars) {
282 		int i;
283 
284 		ADD_SIZE(sizeof(zend_string*) * op_array->last_var);
285 		for (i = 0; i < op_array->last_var; i++) {
286 			ADD_INTERNED_STRING(op_array->vars[i]);
287 		}
288 	}
289 
290 	if (op_array->num_dynamic_func_defs) {
291 		ADD_SIZE(sizeof(void *) * op_array->num_dynamic_func_defs);
292 		for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) {
293 			zval tmp;
294 			ZVAL_PTR(&tmp, op_array->dynamic_func_defs[i]);
295 			zend_persist_op_array_calc(&tmp);
296 		}
297 	}
298 
299 	ADD_SIZE(ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist_calc(op_array)));
300 }
301 
zend_persist_op_array_calc(zval * zv)302 static void zend_persist_op_array_calc(zval *zv)
303 {
304 	zend_op_array *op_array = Z_PTR_P(zv);
305 	ZEND_ASSERT(op_array->type == ZEND_USER_FUNCTION);
306 	if (!zend_shared_alloc_get_xlat_entry(op_array)) {
307 		zend_shared_alloc_register_xlat_entry(op_array, op_array);
308 		ADD_SIZE(sizeof(zend_op_array));
309 		zend_persist_op_array_calc_ex(op_array);
310 	} else {
311 		/* This can happen during preloading, if a dynamic function definition is declared. */
312 	}
313 }
314 
zend_persist_class_method_calc(zval * zv)315 static void zend_persist_class_method_calc(zval *zv)
316 {
317 	zend_op_array *op_array = Z_PTR_P(zv);
318 	zend_op_array *old_op_array;
319 
320 	if (op_array->type != ZEND_USER_FUNCTION) {
321 		ZEND_ASSERT(op_array->type == ZEND_INTERNAL_FUNCTION);
322 		if (op_array->fn_flags & ZEND_ACC_ARENA_ALLOCATED) {
323 			old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
324 			if (!old_op_array) {
325 				ADD_SIZE(sizeof(zend_internal_function));
326 				zend_shared_alloc_register_xlat_entry(op_array, Z_PTR_P(zv));
327 			}
328 		}
329 		return;
330 	}
331 
332 	if ((op_array->fn_flags & ZEND_ACC_IMMUTABLE)
333 	 && !ZCG(current_persistent_script)->corrupted
334 	 && zend_accel_in_shm(op_array)) {
335 		zend_shared_alloc_register_xlat_entry(op_array, op_array);
336 		return;
337 	}
338 
339 	old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
340 	if (!old_op_array) {
341 		ADD_SIZE(sizeof(zend_op_array));
342 		zend_persist_op_array_calc_ex(Z_PTR_P(zv));
343 		zend_shared_alloc_register_xlat_entry(op_array, Z_PTR_P(zv));
344 	} else {
345 		/* If op_array is shared, the function name refcount is still incremented for each use,
346 		 * so we need to release it here. We remembered the original function name in xlat. */
347 		zend_string *old_function_name =
348 			zend_shared_alloc_get_xlat_entry(&old_op_array->function_name);
349 		if (old_function_name) {
350 			zend_string_release_ex(old_function_name, 0);
351 		}
352 	}
353 }
354 
zend_persist_property_info_calc(zend_property_info * prop)355 static void zend_persist_property_info_calc(zend_property_info *prop)
356 {
357 	ADD_SIZE(sizeof(zend_property_info));
358 	ADD_INTERNED_STRING(prop->name);
359 	zend_persist_type_calc(&prop->type);
360 	if (ZCG(accel_directives).save_comments && prop->doc_comment) {
361 		ADD_STRING(prop->doc_comment);
362 	}
363 	if (prop->attributes) {
364 		zend_persist_attributes_calc(prop->attributes);
365 	}
366 }
367 
zend_persist_class_constant_calc(zval * zv)368 static void zend_persist_class_constant_calc(zval *zv)
369 {
370 	zend_class_constant *c = Z_PTR_P(zv);
371 
372 	if (!zend_shared_alloc_get_xlat_entry(c)) {
373 		if (!ZCG(current_persistent_script)->corrupted
374 		 && zend_accel_in_shm(Z_PTR_P(zv))) {
375 			return;
376 		}
377 		zend_shared_alloc_register_xlat_entry(c, c);
378 		ADD_SIZE(sizeof(zend_class_constant));
379 		zend_persist_zval_calc(&c->value);
380 		if (ZCG(accel_directives).save_comments && c->doc_comment) {
381 			ADD_STRING(c->doc_comment);
382 		}
383 		if (c->attributes) {
384 			zend_persist_attributes_calc(c->attributes);
385 		}
386 	}
387 }
388 
zend_persist_class_entry_calc(zend_class_entry * ce)389 void zend_persist_class_entry_calc(zend_class_entry *ce)
390 {
391 	Bucket *p;
392 
393 	if (ce->type == ZEND_USER_CLASS) {
394 		/* The same zend_class_entry may be reused by class_alias */
395 		if (zend_shared_alloc_get_xlat_entry(ce)) {
396 			return;
397 		}
398 		zend_shared_alloc_register_xlat_entry(ce, ce);
399 
400 		ADD_SIZE(sizeof(zend_class_entry));
401 
402 		if (!(ce->ce_flags & ZEND_ACC_CACHED)) {
403 			ADD_INTERNED_STRING(ce->name);
404 			if (ce->parent_name && !(ce->ce_flags & ZEND_ACC_LINKED)) {
405 				ADD_INTERNED_STRING(ce->parent_name);
406 			}
407 		}
408 
409 		zend_hash_persist_calc(&ce->function_table);
410 		ZEND_HASH_FOREACH_BUCKET(&ce->function_table, p) {
411 			ZEND_ASSERT(p->key != NULL);
412 			ADD_INTERNED_STRING(p->key);
413 			zend_persist_class_method_calc(&p->val);
414 		} ZEND_HASH_FOREACH_END();
415 		if (ce->default_properties_table) {
416 		    int i;
417 
418 			ADD_SIZE(sizeof(zval) * ce->default_properties_count);
419 			for (i = 0; i < ce->default_properties_count; i++) {
420 				zend_persist_zval_calc(&ce->default_properties_table[i]);
421 			}
422 		}
423 		if (ce->default_static_members_table) {
424 		    int i;
425 
426 			ADD_SIZE(sizeof(zval) * ce->default_static_members_count);
427 			for (i = 0; i < ce->default_static_members_count; i++) {
428 				if (Z_TYPE(ce->default_static_members_table[i]) != IS_INDIRECT) {
429 					zend_persist_zval_calc(&ce->default_static_members_table[i]);
430 				}
431 			}
432 		}
433 		zend_hash_persist_calc(&ce->constants_table);
434 		ZEND_HASH_FOREACH_BUCKET(&ce->constants_table, p) {
435 			ZEND_ASSERT(p->key != NULL);
436 			ADD_INTERNED_STRING(p->key);
437 			zend_persist_class_constant_calc(&p->val);
438 		} ZEND_HASH_FOREACH_END();
439 
440 		zend_hash_persist_calc(&ce->properties_info);
441 		ZEND_HASH_FOREACH_BUCKET(&ce->properties_info, p) {
442 			zend_property_info *prop = Z_PTR(p->val);
443 			ZEND_ASSERT(p->key != NULL);
444 			ADD_INTERNED_STRING(p->key);
445 			if (prop->ce == ce) {
446 				zend_persist_property_info_calc(prop);
447 			}
448 		} ZEND_HASH_FOREACH_END();
449 
450 		if (ce->properties_info_table) {
451 			ADD_SIZE(sizeof(zend_property_info *) * ce->default_properties_count);
452 		}
453 
454 		if (ce->num_interfaces && (ce->ce_flags & ZEND_ACC_LINKED)) {
455 			ADD_SIZE(sizeof(zend_class_entry*) * ce->num_interfaces);
456 		}
457 
458 		if (ce->iterator_funcs_ptr) {
459 			ADD_SIZE(sizeof(zend_class_iterator_funcs));
460 		}
461 
462 		if (ce->ce_flags & ZEND_ACC_CACHED) {
463 			return;
464 		}
465 
466 		if (ce->info.user.filename) {
467 			ADD_STRING(ce->info.user.filename);
468 		}
469 
470 		if (ZCG(accel_directives).save_comments && ce->info.user.doc_comment) {
471 			ADD_STRING(ce->info.user.doc_comment);
472 		}
473 
474 		if (ce->attributes) {
475 			zend_persist_attributes_calc(ce->attributes);
476 		}
477 
478 		if (ce->num_interfaces) {
479 			uint32_t i;
480 
481 			if (!(ce->ce_flags & ZEND_ACC_LINKED)) {
482 				for (i = 0; i < ce->num_interfaces; i++) {
483 					ADD_INTERNED_STRING(ce->interface_names[i].name);
484 					ADD_INTERNED_STRING(ce->interface_names[i].lc_name);
485 				}
486 				ADD_SIZE(sizeof(zend_class_name) * ce->num_interfaces);
487 			}
488 		}
489 
490 		if (ce->num_traits) {
491 			uint32_t i;
492 
493 			for (i = 0; i < ce->num_traits; i++) {
494 				ADD_INTERNED_STRING(ce->trait_names[i].name);
495 				ADD_INTERNED_STRING(ce->trait_names[i].lc_name);
496 			}
497 			ADD_SIZE(sizeof(zend_class_name) * ce->num_traits);
498 
499 			if (ce->trait_aliases) {
500 				i = 0;
501 				while (ce->trait_aliases[i]) {
502 					if (ce->trait_aliases[i]->trait_method.method_name) {
503 						ADD_INTERNED_STRING(ce->trait_aliases[i]->trait_method.method_name);
504 					}
505 					if (ce->trait_aliases[i]->trait_method.class_name) {
506 						ADD_INTERNED_STRING(ce->trait_aliases[i]->trait_method.class_name);
507 					}
508 
509 					if (ce->trait_aliases[i]->alias) {
510 						ADD_INTERNED_STRING(ce->trait_aliases[i]->alias);
511 					}
512 					ADD_SIZE(sizeof(zend_trait_alias));
513 					i++;
514 				}
515 				ADD_SIZE(sizeof(zend_trait_alias*) * (i + 1));
516 			}
517 
518 			if (ce->trait_precedences) {
519 				int j;
520 
521 				i = 0;
522 				while (ce->trait_precedences[i]) {
523 					ADD_INTERNED_STRING(ce->trait_precedences[i]->trait_method.method_name);
524 					ADD_INTERNED_STRING(ce->trait_precedences[i]->trait_method.class_name);
525 
526 					for (j = 0; j < ce->trait_precedences[i]->num_excludes; j++) {
527 						ADD_INTERNED_STRING(ce->trait_precedences[i]->exclude_class_names[j]);
528 					}
529 					ADD_SIZE(sizeof(zend_trait_precedence) + (ce->trait_precedences[i]->num_excludes - 1) * sizeof(zend_string*));
530 					i++;
531 				}
532 				ADD_SIZE(sizeof(zend_trait_precedence*) * (i + 1));
533 			}
534 		}
535 
536 		if (ce->backed_enum_table) {
537 			Bucket *p;
538 			ADD_SIZE(sizeof(HashTable));
539 			zend_hash_persist_calc(ce->backed_enum_table);
540 			ZEND_HASH_FOREACH_BUCKET(ce->backed_enum_table, p) {
541 				if (p->key != NULL) {
542 					ADD_INTERNED_STRING(p->key);
543 				}
544 				zend_persist_zval_calc(&p->val);
545 			} ZEND_HASH_FOREACH_END();
546 		}
547 	}
548 }
549 
zend_accel_persist_class_table_calc(HashTable * class_table)550 static void zend_accel_persist_class_table_calc(HashTable *class_table)
551 {
552 	Bucket *p;
553 
554 	zend_hash_persist_calc(class_table);
555 	ZEND_HASH_FOREACH_BUCKET(class_table, p) {
556 		ZEND_ASSERT(p->key != NULL);
557 		ADD_INTERNED_STRING(p->key);
558 		zend_persist_class_entry_calc(Z_CE(p->val));
559 	} ZEND_HASH_FOREACH_END();
560 }
561 
zend_persist_warnings_calc(uint32_t num_warnings,zend_error_info ** warnings)562 void zend_persist_warnings_calc(uint32_t num_warnings, zend_error_info **warnings) {
563 	ADD_SIZE(num_warnings * sizeof(zend_error_info *));
564 	for (uint32_t i = 0; i < num_warnings; i++) {
565 		ADD_SIZE(sizeof(zend_error_info));
566 		ADD_STRING(warnings[i]->filename);
567 		ADD_STRING(warnings[i]->message);
568 	}
569 }
570 
zend_accel_script_persist_calc(zend_persistent_script * new_persistent_script,int for_shm)571 uint32_t zend_accel_script_persist_calc(zend_persistent_script *new_persistent_script, int for_shm)
572 {
573 	Bucket *p;
574 
575 	new_persistent_script->mem = NULL;
576 	new_persistent_script->size = 0;
577 	new_persistent_script->corrupted = 0;
578 	ZCG(current_persistent_script) = new_persistent_script;
579 
580 	if (!for_shm) {
581 		/* script is not going to be saved in SHM */
582 		new_persistent_script->corrupted = 1;
583 	}
584 
585 	ADD_SIZE(sizeof(zend_persistent_script));
586 	ADD_INTERNED_STRING(new_persistent_script->script.filename);
587 
588 #if defined(__AVX__) || defined(__SSE2__)
589 	/* Align size to 64-byte boundary */
590 	new_persistent_script->size = (new_persistent_script->size + 63) & ~63;
591 #endif
592 
593 	if (new_persistent_script->script.class_table.nNumUsed != new_persistent_script->script.class_table.nNumOfElements) {
594 		zend_hash_rehash(&new_persistent_script->script.class_table);
595 	}
596 	zend_accel_persist_class_table_calc(&new_persistent_script->script.class_table);
597 	if (new_persistent_script->script.function_table.nNumUsed != new_persistent_script->script.function_table.nNumOfElements) {
598 		zend_hash_rehash(&new_persistent_script->script.function_table);
599 	}
600 	zend_hash_persist_calc(&new_persistent_script->script.function_table);
601 	ZEND_HASH_FOREACH_BUCKET(&new_persistent_script->script.function_table, p) {
602 		ZEND_ASSERT(p->key != NULL);
603 		ADD_INTERNED_STRING(p->key);
604 		zend_persist_op_array_calc(&p->val);
605 	} ZEND_HASH_FOREACH_END();
606 	zend_persist_op_array_calc_ex(&new_persistent_script->script.main_op_array);
607 	zend_persist_warnings_calc(
608 		new_persistent_script->num_warnings, new_persistent_script->warnings);
609 
610 	new_persistent_script->corrupted = 0;
611 
612 	ZCG(current_persistent_script) = NULL;
613 
614 	return new_persistent_script->size;
615 }
616