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/*
+----------------------------------------------------------------------+
| Zend OPcache |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2015 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 { \
if (!IS_INTERNED(str)) { \
const char *tmp = accel_new_interned_string((str), (len), 1 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();
}