/src/php-src/ext/opcache/zend_persist_calc.c
Line | Count | Source |
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 | | #include "zend_constants.h" |
30 | | |
31 | 0 | #define ADD_DUP_SIZE(m,s) ZCG(current_persistent_script)->size += zend_shared_memdup_size((void*)m, s) |
32 | 0 | #define ADD_SIZE(m) ZCG(current_persistent_script)->size += ZEND_ALIGNED_SIZE(m) |
33 | | |
34 | 0 | # define ADD_STRING(str) ADD_DUP_SIZE((str), _ZSTR_STRUCT_SIZE(ZSTR_LEN(str))) |
35 | | |
36 | 0 | # define ADD_INTERNED_STRING(str) do { \ |
37 | 0 | if (ZCG(current_persistent_script)->corrupted) { \ |
38 | 0 | ADD_STRING(str); \ |
39 | 0 | } else if (!IS_ACCEL_INTERNED(str)) { \ |
40 | 0 | zend_string *tmp = accel_new_interned_string(str); \ |
41 | 0 | if (tmp != (str)) { \ |
42 | 0 | (str) = tmp; \ |
43 | 0 | } else { \ |
44 | 0 | ADD_STRING(str); \ |
45 | 0 | } \ |
46 | 0 | } \ |
47 | 0 | } while (0) |
48 | | |
49 | | static void zend_persist_zval_calc(zval *z); |
50 | | static void zend_persist_op_array_calc(const zval *zv); |
51 | | |
52 | | static void zend_hash_persist_calc(const HashTable *ht) |
53 | 0 | { |
54 | 0 | if ((HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED) || ht->nNumUsed == 0) { |
55 | 0 | return; |
56 | 0 | } |
57 | | |
58 | 0 | if (HT_IS_PACKED(ht)) { |
59 | 0 | ADD_SIZE(HT_PACKED_USED_SIZE(ht)); |
60 | 0 | } else if (ht->nNumUsed > HT_MIN_SIZE && ht->nNumUsed < (uint32_t)(-(int32_t)ht->nTableMask) / 4) { |
61 | | /* compact table */ |
62 | 0 | uint32_t hash_size; |
63 | |
|
64 | 0 | hash_size = (uint32_t)(-(int32_t)ht->nTableMask); |
65 | 0 | while (hash_size >> 2 > ht->nNumUsed) { |
66 | 0 | hash_size >>= 1; |
67 | 0 | } |
68 | 0 | ADD_SIZE(hash_size * sizeof(uint32_t) + ht->nNumUsed * sizeof(Bucket)); |
69 | 0 | } else { |
70 | 0 | ADD_SIZE(HT_USED_SIZE(ht)); |
71 | 0 | } |
72 | 0 | } |
73 | | |
74 | | static void zend_persist_ast_calc(zend_ast *ast) |
75 | 0 | { |
76 | 0 | uint32_t i; |
77 | |
|
78 | 0 | if (ast->kind == ZEND_AST_ZVAL || ast->kind == ZEND_AST_CONSTANT) { |
79 | 0 | ADD_SIZE(sizeof(zend_ast_zval)); |
80 | 0 | zend_persist_zval_calc(&((zend_ast_zval*)(ast))->val); |
81 | 0 | } else if (zend_ast_is_list(ast)) { |
82 | 0 | const zend_ast_list *list = zend_ast_get_list(ast); |
83 | 0 | ADD_SIZE(sizeof(zend_ast_list) - sizeof(zend_ast *) + sizeof(zend_ast *) * list->children); |
84 | 0 | for (i = 0; i < list->children; i++) { |
85 | 0 | if (list->child[i]) { |
86 | 0 | zend_persist_ast_calc(list->child[i]); |
87 | 0 | } |
88 | 0 | } |
89 | 0 | } else if (ast->kind == ZEND_AST_OP_ARRAY) { |
90 | 0 | ADD_SIZE(sizeof(zend_ast_op_array)); |
91 | 0 | zval z; |
92 | 0 | ZVAL_PTR(&z, zend_ast_get_op_array(ast)->op_array); |
93 | 0 | zend_persist_op_array_calc(&z); |
94 | 0 | } else if (ast->kind == ZEND_AST_CALLABLE_CONVERT) { |
95 | 0 | zend_ast_fcc *fcc_ast = (zend_ast_fcc*)ast; |
96 | 0 | ADD_SIZE(sizeof(zend_ast_fcc)); |
97 | 0 | zend_persist_ast_calc(fcc_ast->args); |
98 | 0 | } else if (zend_ast_is_decl(ast)) { |
99 | | /* Not implemented. */ |
100 | 0 | ZEND_UNREACHABLE(); |
101 | 0 | } else { |
102 | 0 | uint32_t children = zend_ast_get_num_children(ast); |
103 | 0 | ADD_SIZE(zend_ast_size(children)); |
104 | 0 | for (i = 0; i < children; i++) { |
105 | 0 | if (ast->child[i]) { |
106 | 0 | zend_persist_ast_calc(ast->child[i]); |
107 | 0 | } |
108 | 0 | } |
109 | 0 | } |
110 | 0 | } |
111 | | |
112 | | static void zend_persist_zval_calc(zval *z) |
113 | 0 | { |
114 | 0 | uint32_t size; |
115 | |
|
116 | 0 | switch (Z_TYPE_P(z)) { |
117 | 0 | case IS_STRING: |
118 | 0 | ADD_INTERNED_STRING(Z_STR_P(z)); |
119 | 0 | if (ZSTR_IS_INTERNED(Z_STR_P(z))) { |
120 | 0 | Z_TYPE_FLAGS_P(z) = 0; |
121 | 0 | } |
122 | 0 | break; |
123 | 0 | case IS_ARRAY: |
124 | 0 | if (!ZCG(current_persistent_script)->corrupted |
125 | 0 | && zend_accel_in_shm(Z_ARR_P(z))) { |
126 | 0 | return; |
127 | 0 | } |
128 | 0 | size = zend_shared_memdup_size(Z_ARR_P(z), sizeof(zend_array)); |
129 | 0 | if (size) { |
130 | 0 | const HashTable *ht = Z_ARRVAL_P(z); |
131 | |
|
132 | 0 | ADD_SIZE(size); |
133 | 0 | zend_hash_persist_calc(ht); |
134 | 0 | if (HT_IS_PACKED(ht)) { |
135 | 0 | zval *zv; |
136 | |
|
137 | 0 | ZEND_HASH_PACKED_FOREACH_VAL(Z_ARRVAL_P(z), zv) { |
138 | 0 | zend_persist_zval_calc(zv); |
139 | 0 | } ZEND_HASH_FOREACH_END(); |
140 | 0 | } else { |
141 | 0 | Bucket *p; |
142 | |
|
143 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(Z_ARRVAL_P(z), p) { |
144 | 0 | if (p->key) { |
145 | 0 | ADD_INTERNED_STRING(p->key); |
146 | 0 | } |
147 | 0 | zend_persist_zval_calc(&p->val); |
148 | 0 | } ZEND_HASH_FOREACH_END(); |
149 | 0 | } |
150 | 0 | } |
151 | 0 | break; |
152 | 0 | case IS_CONSTANT_AST: |
153 | 0 | if (ZCG(current_persistent_script)->corrupted |
154 | 0 | || !zend_accel_in_shm(Z_AST_P(z))) { |
155 | 0 | size = zend_shared_memdup_size(Z_AST_P(z), sizeof(zend_ast_ref)); |
156 | 0 | if (size) { |
157 | 0 | ADD_SIZE(size); |
158 | 0 | zend_persist_ast_calc(Z_ASTVAL_P(z)); |
159 | 0 | } |
160 | 0 | } |
161 | 0 | break; |
162 | 0 | case IS_PTR: |
163 | 0 | break; |
164 | 0 | default: |
165 | 0 | ZEND_ASSERT(Z_TYPE_P(z) < IS_STRING); |
166 | 0 | break; |
167 | 0 | } |
168 | 0 | } |
169 | | |
170 | | static void zend_persist_attributes_calc(HashTable *attributes) |
171 | 0 | { |
172 | 0 | if (!zend_shared_alloc_get_xlat_entry(attributes) |
173 | 0 | && (ZCG(current_persistent_script)->corrupted |
174 | 0 | || !zend_accel_in_shm(attributes))) { |
175 | 0 | zend_attribute *attr; |
176 | 0 | uint32_t i; |
177 | |
|
178 | 0 | zend_shared_alloc_register_xlat_entry(attributes, attributes); |
179 | 0 | ADD_SIZE(sizeof(HashTable)); |
180 | 0 | zend_hash_persist_calc(attributes); |
181 | |
|
182 | 0 | ZEND_HASH_PACKED_FOREACH_PTR(attributes, attr) { |
183 | 0 | ADD_SIZE(ZEND_ATTRIBUTE_SIZE(attr->argc)); |
184 | 0 | ADD_INTERNED_STRING(attr->name); |
185 | 0 | ADD_INTERNED_STRING(attr->lcname); |
186 | 0 | if (attr->validation_error != NULL) { |
187 | 0 | ADD_INTERNED_STRING(attr->validation_error); |
188 | 0 | } |
189 | |
|
190 | 0 | for (i = 0; i < attr->argc; i++) { |
191 | 0 | if (attr->args[i].name) { |
192 | 0 | ADD_INTERNED_STRING(attr->args[i].name); |
193 | 0 | } |
194 | 0 | zend_persist_zval_calc(&attr->args[i].value); |
195 | 0 | } |
196 | 0 | } ZEND_HASH_FOREACH_END(); |
197 | 0 | } |
198 | 0 | } |
199 | | |
200 | | static void zend_persist_type_calc(zend_type *type) |
201 | 0 | { |
202 | 0 | if (ZEND_TYPE_HAS_LIST(*type)) { |
203 | 0 | ADD_SIZE(ZEND_TYPE_LIST_SIZE(ZEND_TYPE_LIST(*type)->num_types)); |
204 | 0 | } |
205 | |
|
206 | 0 | zend_type *single_type; |
207 | 0 | ZEND_TYPE_FOREACH_MUTABLE(*type, single_type) { |
208 | 0 | if (ZEND_TYPE_HAS_LIST(*single_type)) { |
209 | 0 | zend_persist_type_calc(single_type); |
210 | 0 | continue; |
211 | 0 | } |
212 | 0 | if (ZEND_TYPE_HAS_NAME(*single_type)) { |
213 | 0 | zend_string *type_name = ZEND_TYPE_NAME(*single_type); |
214 | 0 | ADD_INTERNED_STRING(type_name); |
215 | 0 | ZEND_TYPE_SET_PTR(*single_type, type_name); |
216 | 0 | } |
217 | 0 | } ZEND_TYPE_FOREACH_END(); |
218 | 0 | } |
219 | | |
220 | | static void zend_persist_op_array_calc_ex(zend_op_array *op_array) |
221 | 0 | { |
222 | 0 | if (op_array->function_name) { |
223 | 0 | const zend_string *old_name = op_array->function_name; |
224 | 0 | ADD_INTERNED_STRING(op_array->function_name); |
225 | | /* Remember old function name, so it can be released multiple times if shared. */ |
226 | 0 | if (op_array->function_name != old_name |
227 | 0 | && !zend_shared_alloc_get_xlat_entry(&op_array->function_name)) { |
228 | 0 | zend_shared_alloc_register_xlat_entry(&op_array->function_name, old_name); |
229 | 0 | } |
230 | 0 | } |
231 | |
|
232 | 0 | if (op_array->scope) { |
233 | 0 | if (zend_shared_alloc_get_xlat_entry(op_array->opcodes)) { |
234 | | /* already stored */ |
235 | 0 | ADD_SIZE(ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist_calc(op_array))); |
236 | 0 | return; |
237 | 0 | } |
238 | 0 | } |
239 | | |
240 | 0 | if (op_array->scope |
241 | 0 | && !(op_array->fn_flags & ZEND_ACC_CLOSURE) |
242 | 0 | && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) { |
243 | 0 | return; |
244 | 0 | } |
245 | | |
246 | 0 | if (op_array->static_variables && !zend_accel_in_shm(op_array->static_variables)) { |
247 | 0 | if (!zend_shared_alloc_get_xlat_entry(op_array->static_variables)) { |
248 | 0 | Bucket *p; |
249 | |
|
250 | 0 | zend_shared_alloc_register_xlat_entry(op_array->static_variables, op_array->static_variables); |
251 | 0 | ADD_SIZE(sizeof(HashTable)); |
252 | 0 | zend_hash_persist_calc(op_array->static_variables); |
253 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(op_array->static_variables, p) { |
254 | 0 | ZEND_ASSERT(p->key != NULL); |
255 | 0 | ADD_INTERNED_STRING(p->key); |
256 | 0 | zend_persist_zval_calc(&p->val); |
257 | 0 | } ZEND_HASH_FOREACH_END(); |
258 | 0 | } |
259 | 0 | } |
260 | | |
261 | 0 | if (op_array->literals) { |
262 | 0 | zval *p = op_array->literals; |
263 | 0 | const zval *end = p + op_array->last_literal; |
264 | 0 | ADD_SIZE(sizeof(zval) * op_array->last_literal); |
265 | 0 | while (p < end) { |
266 | 0 | zend_persist_zval_calc(p); |
267 | 0 | p++; |
268 | 0 | } |
269 | 0 | } |
270 | |
|
271 | 0 | zend_shared_alloc_register_xlat_entry(op_array->opcodes, op_array->opcodes); |
272 | 0 | ADD_SIZE(sizeof(zend_op) * op_array->last); |
273 | | |
274 | | /* ZEND_ACC_PTR_OPS and ZEND_ACC_OVERRIDE use the same value */ |
275 | 0 | if ((op_array->fn_flags & ZEND_ACC_PTR_OPS) && !op_array->function_name) { |
276 | 0 | zend_op *op = op_array->opcodes; |
277 | 0 | const zend_op *end = op + op_array->last; |
278 | 0 | while (op < end) { |
279 | 0 | if (op->opcode == ZEND_DECLARE_ATTRIBUTED_CONST) { |
280 | 0 | HashTable *attributes = Z_PTR_P(RT_CONSTANT(op+1, (op+1)->op1)); |
281 | 0 | zend_persist_attributes_calc(attributes); |
282 | 0 | } |
283 | 0 | op++; |
284 | 0 | } |
285 | 0 | } |
286 | |
|
287 | 0 | if (op_array->filename) { |
288 | 0 | ADD_STRING(op_array->filename); |
289 | 0 | } |
290 | |
|
291 | 0 | if (op_array->arg_info) { |
292 | 0 | zend_arg_info *arg_info = op_array->arg_info; |
293 | 0 | uint32_t num_args = op_array->num_args; |
294 | 0 | uint32_t i; |
295 | |
|
296 | 0 | if (op_array->fn_flags & ZEND_ACC_VARIADIC) { |
297 | 0 | num_args++; |
298 | 0 | } |
299 | 0 | if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) { |
300 | 0 | arg_info--; |
301 | 0 | num_args++; |
302 | 0 | } |
303 | 0 | ADD_SIZE(sizeof(zend_arg_info) * num_args); |
304 | 0 | for (i = 0; i < num_args; i++) { |
305 | 0 | if (arg_info[i].name) { |
306 | 0 | ADD_INTERNED_STRING(arg_info[i].name); |
307 | 0 | } |
308 | 0 | zend_persist_type_calc(&arg_info[i].type); |
309 | 0 | } |
310 | 0 | } |
311 | |
|
312 | 0 | if (op_array->live_range) { |
313 | 0 | ADD_SIZE(sizeof(zend_live_range) * op_array->last_live_range); |
314 | 0 | } |
315 | |
|
316 | 0 | if (ZCG(accel_directives).save_comments && op_array->doc_comment) { |
317 | 0 | ADD_STRING(op_array->doc_comment); |
318 | 0 | } |
319 | |
|
320 | 0 | if (op_array->attributes) { |
321 | 0 | zend_persist_attributes_calc(op_array->attributes); |
322 | 0 | } |
323 | |
|
324 | 0 | if (op_array->try_catch_array) { |
325 | 0 | ADD_SIZE(sizeof(zend_try_catch_element) * op_array->last_try_catch); |
326 | 0 | } |
327 | |
|
328 | 0 | if (op_array->vars) { |
329 | 0 | int i; |
330 | |
|
331 | 0 | ADD_SIZE(sizeof(zend_string*) * op_array->last_var); |
332 | 0 | for (i = 0; i < op_array->last_var; i++) { |
333 | 0 | ADD_INTERNED_STRING(op_array->vars[i]); |
334 | 0 | } |
335 | 0 | } |
336 | |
|
337 | 0 | if (op_array->num_dynamic_func_defs) { |
338 | 0 | ADD_SIZE(sizeof(void *) * op_array->num_dynamic_func_defs); |
339 | 0 | for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) { |
340 | 0 | zval tmp; |
341 | 0 | ZVAL_PTR(&tmp, op_array->dynamic_func_defs[i]); |
342 | 0 | zend_persist_op_array_calc(&tmp); |
343 | 0 | } |
344 | 0 | } |
345 | |
|
346 | 0 | ADD_SIZE(ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist_calc(op_array))); |
347 | 0 | } |
348 | | |
349 | | static void zend_persist_op_array_calc(const zval *zv) |
350 | 0 | { |
351 | 0 | zend_op_array *op_array = Z_PTR_P(zv); |
352 | 0 | ZEND_ASSERT(op_array->type == ZEND_USER_FUNCTION); |
353 | 0 | if (!zend_shared_alloc_get_xlat_entry(op_array)) { |
354 | 0 | zend_shared_alloc_register_xlat_entry(op_array, op_array); |
355 | 0 | ADD_SIZE(sizeof(zend_op_array)); |
356 | 0 | zend_persist_op_array_calc_ex(op_array); |
357 | 0 | } else { |
358 | | /* This can happen during preloading, if a dynamic function definition is declared. */ |
359 | 0 | } |
360 | 0 | } |
361 | | |
362 | | static void zend_persist_class_method_calc(zend_op_array *op_array) |
363 | 0 | { |
364 | 0 | zend_op_array *old_op_array; |
365 | |
|
366 | 0 | if (op_array->type != ZEND_USER_FUNCTION) { |
367 | 0 | ZEND_ASSERT(op_array->type == ZEND_INTERNAL_FUNCTION); |
368 | 0 | if (op_array->fn_flags & ZEND_ACC_ARENA_ALLOCATED) { |
369 | 0 | old_op_array = zend_shared_alloc_get_xlat_entry(op_array); |
370 | 0 | if (!old_op_array) { |
371 | 0 | ADD_SIZE(sizeof(zend_internal_function)); |
372 | 0 | zend_shared_alloc_register_xlat_entry(op_array, op_array); |
373 | 0 | } |
374 | 0 | } |
375 | 0 | return; |
376 | 0 | } |
377 | | |
378 | 0 | if ((op_array->fn_flags & ZEND_ACC_IMMUTABLE) |
379 | 0 | && !ZCG(current_persistent_script)->corrupted |
380 | 0 | && zend_accel_in_shm(op_array)) { |
381 | 0 | zend_shared_alloc_register_xlat_entry(op_array, op_array); |
382 | 0 | return; |
383 | 0 | } |
384 | | |
385 | 0 | old_op_array = zend_shared_alloc_get_xlat_entry(op_array); |
386 | 0 | if (!old_op_array) { |
387 | 0 | ADD_SIZE(sizeof(zend_op_array)); |
388 | 0 | zend_persist_op_array_calc_ex(op_array); |
389 | 0 | zend_shared_alloc_register_xlat_entry(op_array, op_array); |
390 | 0 | } else { |
391 | | /* If op_array is shared, the function name refcount is still incremented for each use, |
392 | | * so we need to release it here. We remembered the original function name in xlat. */ |
393 | 0 | zend_string *old_function_name = |
394 | 0 | zend_shared_alloc_get_xlat_entry(&old_op_array->function_name); |
395 | 0 | if (old_function_name) { |
396 | 0 | zend_string_release_ex(old_function_name, 0); |
397 | 0 | } |
398 | 0 | } |
399 | 0 | } |
400 | | |
401 | | static void zend_persist_property_info_calc(zend_property_info *prop) |
402 | 0 | { |
403 | 0 | ADD_SIZE(sizeof(zend_property_info)); |
404 | 0 | ADD_INTERNED_STRING(prop->name); |
405 | 0 | zend_persist_type_calc(&prop->type); |
406 | 0 | if (ZCG(accel_directives).save_comments && prop->doc_comment) { |
407 | 0 | ADD_STRING(prop->doc_comment); |
408 | 0 | } |
409 | 0 | if (prop->attributes) { |
410 | 0 | zend_persist_attributes_calc(prop->attributes); |
411 | 0 | } |
412 | 0 | if (prop->hooks) { |
413 | 0 | ADD_SIZE(ZEND_PROPERTY_HOOK_STRUCT_SIZE); |
414 | 0 | for (uint32_t i = 0; i < ZEND_PROPERTY_HOOK_COUNT; i++) { |
415 | 0 | if (prop->hooks[i]) { |
416 | 0 | zend_persist_class_method_calc(&prop->hooks[i]->op_array); |
417 | 0 | } |
418 | 0 | } |
419 | 0 | } |
420 | 0 | } |
421 | | |
422 | | static void zend_persist_class_constant_calc(const zval *zv) |
423 | 0 | { |
424 | 0 | zend_class_constant *c = Z_PTR_P(zv); |
425 | |
|
426 | 0 | if (!zend_shared_alloc_get_xlat_entry(c)) { |
427 | 0 | if (((c->ce->ce_flags & ZEND_ACC_IMMUTABLE) && !(Z_CONSTANT_FLAGS(c->value) & CONST_OWNED)) |
428 | 0 | || c->ce->type == ZEND_INTERNAL_CLASS) { |
429 | | /* Class constant comes from a different file in shm or internal class, keep existing pointer. */ |
430 | 0 | return; |
431 | 0 | } |
432 | 0 | if (!ZCG(current_persistent_script)->corrupted |
433 | 0 | && zend_accel_in_shm(Z_PTR_P(zv))) { |
434 | 0 | return; |
435 | 0 | } |
436 | 0 | zend_shared_alloc_register_xlat_entry(c, c); |
437 | 0 | ADD_SIZE(sizeof(zend_class_constant)); |
438 | 0 | zend_persist_zval_calc(&c->value); |
439 | 0 | if (ZCG(accel_directives).save_comments && c->doc_comment) { |
440 | 0 | ADD_STRING(c->doc_comment); |
441 | 0 | } |
442 | 0 | if (c->attributes) { |
443 | 0 | zend_persist_attributes_calc(c->attributes); |
444 | 0 | } |
445 | 0 | zend_persist_type_calc(&c->type); |
446 | 0 | } |
447 | 0 | } |
448 | | |
449 | | void zend_persist_class_entry_calc(zend_class_entry *ce) |
450 | 0 | { |
451 | 0 | Bucket *p; |
452 | |
|
453 | 0 | if (ce->type == ZEND_USER_CLASS) { |
454 | | /* The same zend_class_entry may be reused by class_alias */ |
455 | 0 | if (zend_shared_alloc_get_xlat_entry(ce)) { |
456 | 0 | return; |
457 | 0 | } |
458 | 0 | zend_shared_alloc_register_xlat_entry(ce, ce); |
459 | |
|
460 | 0 | ADD_SIZE(sizeof(zend_class_entry)); |
461 | |
|
462 | 0 | if (!(ce->ce_flags & ZEND_ACC_CACHED)) { |
463 | 0 | ADD_INTERNED_STRING(ce->name); |
464 | 0 | if (ce->parent_name && !(ce->ce_flags & ZEND_ACC_LINKED)) { |
465 | 0 | ADD_INTERNED_STRING(ce->parent_name); |
466 | 0 | } |
467 | 0 | } |
468 | |
|
469 | 0 | zend_hash_persist_calc(&ce->function_table); |
470 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(&ce->function_table, p) { |
471 | 0 | ZEND_ASSERT(p->key != NULL); |
472 | 0 | ADD_INTERNED_STRING(p->key); |
473 | 0 | zend_persist_class_method_calc(Z_PTR(p->val)); |
474 | 0 | } ZEND_HASH_FOREACH_END(); |
475 | 0 | if (ce->default_properties_table) { |
476 | 0 | int i; |
477 | |
|
478 | 0 | ADD_SIZE(sizeof(zval) * ce->default_properties_count); |
479 | 0 | for (i = 0; i < ce->default_properties_count; i++) { |
480 | 0 | zend_persist_zval_calc(&ce->default_properties_table[i]); |
481 | 0 | } |
482 | 0 | } |
483 | 0 | if (ce->default_static_members_table) { |
484 | 0 | ADD_SIZE(sizeof(zval) * ce->default_static_members_count); |
485 | 0 | for (uint32_t i = 0; i < ce->default_static_members_count; i++) { |
486 | 0 | if (Z_TYPE(ce->default_static_members_table[i]) != IS_INDIRECT) { |
487 | 0 | zend_persist_zval_calc(&ce->default_static_members_table[i]); |
488 | 0 | } |
489 | 0 | } |
490 | 0 | } |
491 | 0 | zend_hash_persist_calc(&ce->constants_table); |
492 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(&ce->constants_table, p) { |
493 | 0 | ZEND_ASSERT(p->key != NULL); |
494 | 0 | ADD_INTERNED_STRING(p->key); |
495 | 0 | zend_persist_class_constant_calc(&p->val); |
496 | 0 | } ZEND_HASH_FOREACH_END(); |
497 | | |
498 | 0 | zend_hash_persist_calc(&ce->properties_info); |
499 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(&ce->properties_info, p) { |
500 | 0 | zend_property_info *prop = Z_PTR(p->val); |
501 | 0 | ZEND_ASSERT(p->key != NULL); |
502 | 0 | ADD_INTERNED_STRING(p->key); |
503 | 0 | if (prop->ce == ce) { |
504 | 0 | zend_persist_property_info_calc(prop); |
505 | 0 | } |
506 | 0 | } ZEND_HASH_FOREACH_END(); |
507 | | |
508 | 0 | if (ce->properties_info_table) { |
509 | 0 | ADD_SIZE(sizeof(zend_property_info *) * ce->default_properties_count); |
510 | 0 | } |
511 | |
|
512 | 0 | if (ce->num_interfaces && (ce->ce_flags & ZEND_ACC_LINKED)) { |
513 | 0 | ADD_SIZE(sizeof(zend_class_entry*) * ce->num_interfaces); |
514 | 0 | } |
515 | |
|
516 | 0 | if (ce->iterator_funcs_ptr) { |
517 | 0 | ADD_SIZE(sizeof(zend_class_iterator_funcs)); |
518 | 0 | } |
519 | 0 | if (ce->arrayaccess_funcs_ptr) { |
520 | 0 | ADD_SIZE(sizeof(zend_class_arrayaccess_funcs)); |
521 | 0 | } |
522 | |
|
523 | 0 | if (ce->ce_flags & ZEND_ACC_CACHED) { |
524 | 0 | return; |
525 | 0 | } |
526 | | |
527 | 0 | if (ce->info.user.filename) { |
528 | 0 | ADD_STRING(ce->info.user.filename); |
529 | 0 | } |
530 | |
|
531 | 0 | if (ZCG(accel_directives).save_comments && ce->doc_comment) { |
532 | 0 | ADD_STRING(ce->doc_comment); |
533 | 0 | } |
534 | |
|
535 | 0 | if (ce->attributes) { |
536 | 0 | zend_persist_attributes_calc(ce->attributes); |
537 | 0 | } |
538 | |
|
539 | 0 | if (ce->num_interfaces) { |
540 | 0 | uint32_t i; |
541 | |
|
542 | 0 | if (!(ce->ce_flags & ZEND_ACC_LINKED)) { |
543 | 0 | for (i = 0; i < ce->num_interfaces; i++) { |
544 | 0 | ADD_INTERNED_STRING(ce->interface_names[i].name); |
545 | 0 | ADD_INTERNED_STRING(ce->interface_names[i].lc_name); |
546 | 0 | } |
547 | 0 | ADD_SIZE(sizeof(zend_class_name) * ce->num_interfaces); |
548 | 0 | } |
549 | 0 | } |
550 | |
|
551 | 0 | if (ce->num_traits) { |
552 | 0 | uint32_t i; |
553 | |
|
554 | 0 | for (i = 0; i < ce->num_traits; i++) { |
555 | 0 | ADD_INTERNED_STRING(ce->trait_names[i].name); |
556 | 0 | ADD_INTERNED_STRING(ce->trait_names[i].lc_name); |
557 | 0 | } |
558 | 0 | ADD_SIZE(sizeof(zend_class_name) * ce->num_traits); |
559 | |
|
560 | 0 | if (ce->trait_aliases) { |
561 | 0 | i = 0; |
562 | 0 | while (ce->trait_aliases[i]) { |
563 | 0 | if (ce->trait_aliases[i]->trait_method.method_name) { |
564 | 0 | ADD_INTERNED_STRING(ce->trait_aliases[i]->trait_method.method_name); |
565 | 0 | } |
566 | 0 | if (ce->trait_aliases[i]->trait_method.class_name) { |
567 | 0 | ADD_INTERNED_STRING(ce->trait_aliases[i]->trait_method.class_name); |
568 | 0 | } |
569 | |
|
570 | 0 | if (ce->trait_aliases[i]->alias) { |
571 | 0 | ADD_INTERNED_STRING(ce->trait_aliases[i]->alias); |
572 | 0 | } |
573 | 0 | ADD_SIZE(sizeof(zend_trait_alias)); |
574 | 0 | i++; |
575 | 0 | } |
576 | 0 | ADD_SIZE(sizeof(zend_trait_alias*) * (i + 1)); |
577 | 0 | } |
578 | |
|
579 | 0 | if (ce->trait_precedences) { |
580 | 0 | int j; |
581 | |
|
582 | 0 | i = 0; |
583 | 0 | while (ce->trait_precedences[i]) { |
584 | 0 | ADD_INTERNED_STRING(ce->trait_precedences[i]->trait_method.method_name); |
585 | 0 | ADD_INTERNED_STRING(ce->trait_precedences[i]->trait_method.class_name); |
586 | |
|
587 | 0 | for (j = 0; j < ce->trait_precedences[i]->num_excludes; j++) { |
588 | 0 | ADD_INTERNED_STRING(ce->trait_precedences[i]->exclude_class_names[j]); |
589 | 0 | } |
590 | 0 | ADD_SIZE(sizeof(zend_trait_precedence) + (ce->trait_precedences[i]->num_excludes - 1) * sizeof(zend_string*)); |
591 | 0 | i++; |
592 | 0 | } |
593 | 0 | ADD_SIZE(sizeof(zend_trait_precedence*) * (i + 1)); |
594 | 0 | } |
595 | 0 | } |
596 | 0 | } |
597 | 0 | } |
598 | | |
599 | | static void zend_accel_persist_class_table_calc(const HashTable *class_table) |
600 | 0 | { |
601 | 0 | Bucket *p; |
602 | |
|
603 | 0 | zend_hash_persist_calc(class_table); |
604 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(class_table, p) { |
605 | 0 | ZEND_ASSERT(p->key != NULL); |
606 | 0 | ADD_INTERNED_STRING(p->key); |
607 | 0 | zend_persist_class_entry_calc(Z_CE(p->val)); |
608 | 0 | } ZEND_HASH_FOREACH_END(); |
609 | 0 | } |
610 | | |
611 | 0 | void zend_persist_warnings_calc(uint32_t num_warnings, zend_error_info **warnings) { |
612 | 0 | ADD_SIZE(num_warnings * sizeof(zend_error_info *)); |
613 | 0 | for (uint32_t i = 0; i < num_warnings; i++) { |
614 | 0 | ADD_SIZE(sizeof(zend_error_info)); |
615 | 0 | ADD_STRING(warnings[i]->filename); |
616 | 0 | ADD_STRING(warnings[i]->message); |
617 | 0 | } |
618 | 0 | } |
619 | | |
620 | | static void zend_persist_early_bindings_calc( |
621 | | uint32_t num_early_bindings, zend_early_binding *early_bindings) |
622 | 0 | { |
623 | 0 | ADD_SIZE(sizeof(zend_early_binding) * num_early_bindings); |
624 | 0 | for (uint32_t i = 0; i < num_early_bindings; i++) { |
625 | 0 | zend_early_binding *early_binding = &early_bindings[i]; |
626 | 0 | ADD_INTERNED_STRING(early_binding->lcname); |
627 | 0 | ADD_INTERNED_STRING(early_binding->rtd_key); |
628 | 0 | ADD_INTERNED_STRING(early_binding->lc_parent_name); |
629 | 0 | } |
630 | 0 | } |
631 | | |
632 | | uint32_t zend_accel_script_persist_calc(zend_persistent_script *new_persistent_script, bool for_shm) |
633 | 0 | { |
634 | 0 | Bucket *p; |
635 | |
|
636 | 0 | new_persistent_script->mem = NULL; |
637 | 0 | new_persistent_script->size = 0; |
638 | 0 | new_persistent_script->corrupted = false; |
639 | 0 | ZCG(current_persistent_script) = new_persistent_script; |
640 | |
|
641 | 0 | if (!for_shm) { |
642 | | /* script is not going to be saved in SHM */ |
643 | 0 | new_persistent_script->corrupted = true; |
644 | 0 | } |
645 | |
|
646 | 0 | ADD_SIZE(sizeof(zend_persistent_script)); |
647 | 0 | ADD_INTERNED_STRING(new_persistent_script->script.filename); |
648 | |
|
649 | 0 | #if defined(__AVX__) || defined(__SSE2__) |
650 | | /* Align size to 64-byte boundary */ |
651 | 0 | new_persistent_script->size = (new_persistent_script->size + 63) & ~63; |
652 | 0 | #endif |
653 | |
|
654 | 0 | if (new_persistent_script->script.class_table.nNumUsed != new_persistent_script->script.class_table.nNumOfElements) { |
655 | 0 | zend_hash_rehash(&new_persistent_script->script.class_table); |
656 | 0 | } |
657 | 0 | zend_accel_persist_class_table_calc(&new_persistent_script->script.class_table); |
658 | 0 | if (new_persistent_script->script.function_table.nNumUsed != new_persistent_script->script.function_table.nNumOfElements) { |
659 | 0 | zend_hash_rehash(&new_persistent_script->script.function_table); |
660 | 0 | } |
661 | 0 | zend_hash_persist_calc(&new_persistent_script->script.function_table); |
662 | 0 | ZEND_HASH_MAP_FOREACH_BUCKET(&new_persistent_script->script.function_table, p) { |
663 | 0 | ZEND_ASSERT(p->key != NULL); |
664 | 0 | ADD_INTERNED_STRING(p->key); |
665 | 0 | zend_persist_op_array_calc(&p->val); |
666 | 0 | } ZEND_HASH_FOREACH_END(); |
667 | 0 | zend_persist_op_array_calc_ex(&new_persistent_script->script.main_op_array); |
668 | 0 | zend_persist_warnings_calc( |
669 | 0 | new_persistent_script->num_warnings, new_persistent_script->warnings); |
670 | 0 | zend_persist_early_bindings_calc( |
671 | 0 | new_persistent_script->num_early_bindings, new_persistent_script->early_bindings); |
672 | |
|
673 | 0 | new_persistent_script->corrupted = false; |
674 | |
|
675 | 0 | ZCG(current_persistent_script) = NULL; |
676 | |
|
677 | 0 | return new_persistent_script->size; |
678 | 0 | } |