diff options
Diffstat (limited to 'ext/opcache/zend_persist_calc.c')
| -rw-r--r-- | ext/opcache/zend_persist_calc.c | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/ext/opcache/zend_persist_calc.c b/ext/opcache/zend_persist_calc.c new file mode 100644 index 0000000000..18af756f6e --- /dev/null +++ b/ext/opcache/zend_persist_calc.c @@ -0,0 +1,343 @@ +/* + +----------------------------------------------------------------------+ + | Zend OPcache | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Andi Gutmans <andi@zend.com> | + | Zeev Suraski <zeev@zend.com> | + | Stanislav Malyshev <stas@zend.com> | + | Dmitry Stogov <dmitry@zend.com> | + +----------------------------------------------------------------------+ +*/ + +#include "zend.h" +#include "ZendAccelerator.h" +#include "zend_persist.h" +#include "zend_extensions.h" +#include "zend_shared_alloc.h" +#include "zend_operators.h" + +#define START_SIZE() uint memory_used = 0 +#define ADD_DUP_SIZE(m,s) memory_used += zend_shared_memdup_size((void*)m, s) +#define ADD_SIZE(m) memory_used += ZEND_ALIGNED_SIZE(m) +#define RETURN_SIZE() return memory_used + +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO +# define ADD_INTERNED_STRING(str, len) do { \ + const char *tmp = accel_new_interned_string((str), (len), !IS_INTERNED((str)) TSRMLS_CC); \ + if (tmp != (str)) { \ + (str) = (char*)tmp; \ + } else { \ + ADD_DUP_SIZE((str), (len)); \ + } \ + } while (0) +#else +# define ADD_INTERNED_STRING(str, len) ADD_DUP_SIZE((str), (len)) +#endif + +static uint zend_persist_zval_ptr_calc(zval **zp TSRMLS_DC); + +static uint zend_hash_persist_calc(HashTable *ht, int (*pPersistElement)(void *pElement TSRMLS_DC), size_t el_size TSRMLS_DC) +{ + Bucket *p = ht->pListHead; + START_SIZE(); + + while (p) { + /* persist bucket and key */ +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO + ADD_DUP_SIZE(p, sizeof(Bucket)); + if (p->nKeyLength) { + const char *tmp = accel_new_interned_string(p->arKey, p->nKeyLength, 0 TSRMLS_CC); + if (tmp != p->arKey) { + p->arKey = tmp; + } else { + ADD_DUP_SIZE(p->arKey, p->nKeyLength); + } + } +#else + ADD_DUP_SIZE(p, sizeof(Bucket) - 1 + p->nKeyLength); +#endif + + /* persist data pointer in bucket */ + if (!p->pDataPtr) { + ADD_DUP_SIZE(p->pData, el_size); + } + + /* persist the data itself */ + if (pPersistElement) { + ADD_SIZE(pPersistElement(p->pData TSRMLS_CC)); + } + + p = p->pListNext; + } + +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO + if (ht->nTableMask) { + ADD_DUP_SIZE(ht->arBuckets, sizeof(Bucket*) * ht->nTableSize); + } +#else + ADD_DUP_SIZE(ht->arBuckets, sizeof(Bucket*) * ht->nTableSize); +#endif + + RETURN_SIZE(); +} + +static uint zend_persist_zval_calc(zval *z TSRMLS_DC) +{ + START_SIZE(); + +#if ZEND_EXTENSION_API_NO >= PHP_5_3_X_API_NO + switch (z->type & IS_CONSTANT_TYPE_MASK) { +#else + switch (z->type & ~IS_CONSTANT_INDEX) { +#endif + case IS_STRING: + case IS_CONSTANT: + ADD_INTERNED_STRING(Z_STRVAL_P(z), Z_STRLEN_P(z) + 1); + break; + case IS_ARRAY: + case IS_CONSTANT_ARRAY: + ADD_DUP_SIZE(z->value.ht, sizeof(HashTable)); + ADD_SIZE(zend_hash_persist_calc(z->value.ht, (int (*)(void* TSRMLS_DC)) zend_persist_zval_ptr_calc, sizeof(zval**) TSRMLS_CC)); + break; + } + RETURN_SIZE(); +} + +static uint zend_persist_zval_ptr_calc(zval **zp TSRMLS_DC) +{ + START_SIZE(); + zval *new_ptr = zend_shared_alloc_get_xlat_entry(*zp); + + if (!new_ptr) { + ADD_DUP_SIZE(*zp, sizeof(zval)); + ADD_SIZE(zend_persist_zval_calc(*zp TSRMLS_CC)); + } + RETURN_SIZE(); +} + +static uint zend_persist_op_array_calc(zend_op_array *op_array TSRMLS_DC) +{ + START_SIZE(); + + if (op_array->type != ZEND_USER_FUNCTION) { + return 0; + } + + if (op_array->filename) { + ADD_DUP_SIZE(op_array->filename, strlen(op_array->filename) + 1); + } + +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO + if (op_array->literals && !zend_shared_alloc_get_xlat_entry(op_array->literals)) { + zend_literal *p = op_array->literals; + zend_literal *end = p + op_array->last_literal; + ADD_DUP_SIZE(op_array->literals, sizeof(zend_literal) * op_array->last_literal); + while (p < end) { + ADD_SIZE(zend_persist_zval_calc(&p->constant TSRMLS_CC)); + p++; + } + } +#endif + + if (!zend_shared_alloc_get_xlat_entry(op_array->opcodes)) { +#if ZEND_EXTENSION_API_NO <= PHP_5_3_X_API_NO + zend_op *opline = op_array->opcodes; + zend_op *end = op_array->opcodes + op_array->last; + + ADD_DUP_SIZE(op_array->opcodes, sizeof(zend_op) * op_array->last); + while (opline<end) { + if (opline->op1.op_type == IS_CONST) { + ADD_SIZE(zend_persist_zval_calc(&opline->op1.u.constant TSRMLS_CC)); + } + if (opline->op2.op_type == IS_CONST) { + ADD_SIZE(zend_persist_zval_calc(&opline->op2.u.constant TSRMLS_CC)); + } + opline++; + } +#else + ADD_DUP_SIZE(op_array->opcodes, sizeof(zend_op) * op_array->last); +#endif + } + + if (op_array->function_name) { + ADD_DUP_SIZE(op_array->function_name, strlen(op_array->function_name) + 1); + } + + if (op_array->arg_info && + !zend_shared_alloc_get_xlat_entry(op_array->arg_info)) { + zend_uint i; + + ADD_DUP_SIZE(op_array->arg_info, sizeof(zend_arg_info) * op_array->num_args); + for (i = 0; i < op_array->num_args; i++) { + if (op_array->arg_info[i].name) { + ADD_INTERNED_STRING(op_array->arg_info[i].name, op_array->arg_info[i].name_len + 1); + } + if (op_array->arg_info[i].class_name) { + ADD_INTERNED_STRING(op_array->arg_info[i].class_name, op_array->arg_info[i].class_name_len + 1); + } + + } + } + + if (op_array->brk_cont_array) { + ADD_DUP_SIZE(op_array->brk_cont_array, sizeof(zend_brk_cont_element) * op_array->last_brk_cont); + } + + if (op_array->static_variables) { + ADD_DUP_SIZE(op_array->static_variables, sizeof(HashTable)); + ADD_SIZE(zend_hash_persist_calc(op_array->static_variables, (int (*)(void* TSRMLS_DC)) zend_persist_zval_ptr_calc, sizeof(zval**) TSRMLS_CC)); + } + + if (ZCG(accel_directives).save_comments && op_array->doc_comment) { + ADD_DUP_SIZE(op_array->doc_comment, op_array->doc_comment_len + 1); + } + + if (op_array->try_catch_array) { + ADD_DUP_SIZE(op_array->try_catch_array, sizeof(zend_try_catch_element) * op_array->last_try_catch); + } + + if (op_array->vars && !zend_shared_alloc_get_xlat_entry(op_array->vars)) { + int i; + + ADD_DUP_SIZE(op_array->vars, sizeof(zend_compiled_variable) * op_array->last_var); + for (i = 0; i < op_array->last_var; i++) { + ADD_INTERNED_STRING(op_array->vars[i].name, op_array->vars[i].name_len + 1); + } + } + + RETURN_SIZE(); +} + +static uint zend_persist_property_info_calc(zend_property_info *prop TSRMLS_DC) +{ + START_SIZE(); + ADD_INTERNED_STRING(prop->name, prop->name_length + 1); + if (ZCG(accel_directives).save_comments && prop->doc_comment) { + ADD_DUP_SIZE(prop->doc_comment, prop->doc_comment_len + 1); + } + RETURN_SIZE(); +} + +static uint zend_persist_class_entry_calc(zend_class_entry **pce TSRMLS_DC) +{ + zend_class_entry *ce = *pce; + START_SIZE(); + + if (ce->type == ZEND_USER_CLASS) { + ADD_DUP_SIZE(ce, sizeof(zend_class_entry)); + ADD_INTERNED_STRING(ce->name, ce->name_length + 1); + ADD_SIZE(zend_hash_persist_calc(&ce->function_table, (int (*)(void* TSRMLS_DC)) zend_persist_op_array_calc, sizeof(zend_op_array) TSRMLS_CC)); +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO + if (ce->default_properties_table) { + int i; + + ADD_SIZE(sizeof(zval*) * ce->default_properties_count); + for (i = 0; i < ce->default_properties_count; i++) { + if (ce->default_properties_table[i]) { + ADD_SIZE(zend_persist_zval_ptr_calc(&ce->default_properties_table[i] TSRMLS_CC)); + } + } + } + if (ce->default_static_members_table) { + int i; + + ADD_SIZE(sizeof(zval*) * ce->default_static_members_count); + for (i = 0; i < ce->default_static_members_count; i++) { + if (ce->default_static_members_table[i]) { + ADD_SIZE(zend_persist_zval_ptr_calc(&ce->default_static_members_table[i] TSRMLS_CC)); + } + } + } +#else + ADD_SIZE(zend_hash_persist_calc(&ce->default_properties, (int (*)(void* TSRMLS_DC)) zend_persist_zval_ptr_calc, sizeof(zval**) TSRMLS_CC)); + ADD_SIZE(zend_hash_persist_calc(&ce->default_static_members, (int (*)(void* TSRMLS_DC)) zend_persist_zval_ptr_calc, sizeof(zval**) TSRMLS_CC)); +#endif + ADD_SIZE(zend_hash_persist_calc(&ce->constants_table, (int (*)(void* TSRMLS_DC)) zend_persist_zval_ptr_calc, sizeof(zval**) TSRMLS_CC)); + + if (ZEND_CE_FILENAME(ce)) { + ADD_DUP_SIZE(ZEND_CE_FILENAME(ce), strlen(ZEND_CE_FILENAME(ce)) + 1); + } + if (ZCG(accel_directives).save_comments && ZEND_CE_DOC_COMMENT(ce)) { + ADD_DUP_SIZE(ZEND_CE_DOC_COMMENT(ce), ZEND_CE_DOC_COMMENT_LEN(ce) + 1); + } + + ADD_SIZE(zend_hash_persist_calc(&ce->properties_info, (int (*)(void* TSRMLS_DC)) zend_persist_property_info_calc, sizeof(zend_property_info) TSRMLS_CC)); + +#if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO + if (ce->trait_aliases) { + int i = 0; + while (ce->trait_aliases[i]) { + if (ce->trait_aliases[i]->trait_method) { + if (ce->trait_aliases[i]->trait_method->method_name) { + ADD_SIZE(ce->trait_aliases[i]->trait_method->mname_len + 1); + } + if (ce->trait_aliases[i]->trait_method->class_name) { + ADD_SIZE(ce->trait_aliases[i]->trait_method->cname_len + 1); + } + ADD_SIZE(sizeof(zend_trait_method_reference)); + } + + if (ce->trait_aliases[i]->alias) { + ADD_SIZE(ce->trait_aliases[i]->alias_len + 1); + } + ADD_SIZE(sizeof(zend_trait_alias)); + i++; + } + ADD_SIZE(sizeof(zend_trait_alias*) * (i + 1)); + } + + if (ce->trait_precedences) { + int i = 0; + + while (ce->trait_precedences[i]) { + ADD_SIZE(ce->trait_precedences[i]->trait_method->mname_len + 1); + ADD_SIZE(ce->trait_precedences[i]->trait_method->cname_len + 1); + ADD_SIZE(sizeof(zend_trait_method_reference)); + + if (ce->trait_precedences[i]->exclude_from_classes) { + int j = 0; + + while (ce->trait_precedences[i]->exclude_from_classes[j]) { + ADD_SIZE(strlen((char*)ce->trait_precedences[i]->exclude_from_classes[j]) + 1); + j++; + } + ADD_SIZE(sizeof(zend_class_entry*) * (j + 1)); + } + ADD_SIZE(sizeof(zend_trait_precedence)); + i++; + } + ADD_SIZE(sizeof(zend_trait_precedence*) * (i + 1)); + } +#endif + } + RETURN_SIZE(); +} + +static uint zend_accel_persist_class_table_calc(HashTable *class_table TSRMLS_DC) +{ + return zend_hash_persist_calc(class_table, (int (*)(void* TSRMLS_DC)) zend_persist_class_entry_calc, sizeof(zend_class_entry*) TSRMLS_CC); +} + +uint zend_accel_script_persist_calc(zend_persistent_script *new_persistent_script, char *key, unsigned int key_length TSRMLS_DC) +{ + START_SIZE(); + + ADD_SIZE(zend_hash_persist_calc(&new_persistent_script->function_table, (int (*)(void* TSRMLS_DC)) zend_persist_op_array_calc, sizeof(zend_op_array) TSRMLS_CC)); + ADD_SIZE(zend_accel_persist_class_table_calc(&new_persistent_script->class_table TSRMLS_CC)); + ADD_SIZE(zend_persist_op_array_calc(&new_persistent_script->main_op_array TSRMLS_CC)); + ADD_DUP_SIZE(key, key_length + 1); + ADD_DUP_SIZE(new_persistent_script->full_path, new_persistent_script->full_path_len + 1); + ADD_DUP_SIZE(new_persistent_script, sizeof(zend_persistent_script)); + + RETURN_SIZE(); +} |