mirror of
https://github.com/php/php-src.git
synced 2024-12-11 10:54:47 +08:00
439 lines
13 KiB
C
439 lines
13 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| Zend OPcache |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1998-2018 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 ADD_DUP_SIZE(m,s) ZCG(current_persistent_script)->size += zend_shared_memdup_size((void*)m, s)
|
|
#define ADD_SIZE(m) ZCG(current_persistent_script)->size += ZEND_ALIGNED_SIZE(m)
|
|
|
|
#define ADD_ARENA_SIZE(m) ZCG(current_persistent_script)->arena_size += ZEND_ALIGNED_SIZE(m)
|
|
|
|
# define ADD_STRING(str) ADD_DUP_SIZE((str), _ZSTR_STRUCT_SIZE(ZSTR_LEN(str)))
|
|
|
|
# define ADD_INTERNED_STRING(str, do_free) do { \
|
|
if (ZCG(current_persistent_script)->corrupted) { \
|
|
ADD_STRING(str); \
|
|
} else if (!IS_ACCEL_INTERNED(str)) { \
|
|
zend_string *tmp = accel_new_interned_string(str); \
|
|
if (tmp != (str)) { \
|
|
if (do_free) { \
|
|
/*zend_string_release(str);*/ \
|
|
} \
|
|
(str) = tmp; \
|
|
} else { \
|
|
ADD_STRING(str); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
static void zend_persist_zval_calc(zval *z);
|
|
|
|
static void zend_hash_persist_calc(HashTable *ht, void (*pPersistElement)(zval *pElement))
|
|
{
|
|
uint32_t idx;
|
|
Bucket *p;
|
|
|
|
if (!(ht->u.flags & HASH_FLAG_INITIALIZED) || ht->nNumUsed == 0) {
|
|
return;
|
|
}
|
|
|
|
if (!(ht->u.flags & HASH_FLAG_PACKED) && ht->nNumUsed < (uint32_t)(-(int32_t)ht->nTableMask) / 2) {
|
|
/* compact table */
|
|
uint32_t hash_size;
|
|
|
|
if (ht->nNumUsed <= HT_MIN_SIZE) {
|
|
hash_size = HT_MIN_SIZE;
|
|
} else {
|
|
hash_size = (uint32_t)(-(int32_t)ht->nTableMask);
|
|
while (hash_size >> 1 > ht->nNumUsed) {
|
|
hash_size >>= 1;
|
|
}
|
|
}
|
|
ADD_SIZE(hash_size * sizeof(uint32_t) + ht->nNumUsed * sizeof(Bucket));
|
|
} else {
|
|
ADD_SIZE(HT_USED_SIZE(ht));
|
|
}
|
|
|
|
for (idx = 0; idx < ht->nNumUsed; idx++) {
|
|
p = ht->arData + idx;
|
|
if (Z_TYPE(p->val) == IS_UNDEF) continue;
|
|
|
|
/* persist bucket and key */
|
|
if (p->key) {
|
|
ADD_INTERNED_STRING(p->key, 1);
|
|
}
|
|
|
|
pPersistElement(&p->val);
|
|
}
|
|
}
|
|
|
|
static void zend_persist_ast_calc(zend_ast *ast)
|
|
{
|
|
uint32_t i;
|
|
|
|
if (ast->kind == ZEND_AST_ZVAL) {
|
|
ADD_SIZE(sizeof(zend_ast_zval));
|
|
zend_persist_zval_calc(zend_ast_get_zval(ast));
|
|
} else if (zend_ast_is_list(ast)) {
|
|
zend_ast_list *list = zend_ast_get_list(ast);
|
|
ADD_SIZE(sizeof(zend_ast_list) - sizeof(zend_ast *) + sizeof(zend_ast *) * list->children);
|
|
for (i = 0; i < list->children; i++) {
|
|
if (list->child[i]) {
|
|
zend_persist_ast_calc(list->child[i]);
|
|
}
|
|
}
|
|
} else {
|
|
uint32_t children = zend_ast_get_num_children(ast);
|
|
ADD_SIZE(sizeof(zend_ast) - sizeof(zend_ast *) + sizeof(zend_ast *) * children);
|
|
for (i = 0; i < children; i++) {
|
|
if (ast->child[i]) {
|
|
zend_persist_ast_calc(ast->child[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void zend_persist_zval_calc(zval *z)
|
|
{
|
|
uint32_t size;
|
|
|
|
switch (Z_TYPE_P(z)) {
|
|
case IS_STRING:
|
|
case IS_CONSTANT:
|
|
ADD_INTERNED_STRING(Z_STR_P(z), 0);
|
|
if (ZSTR_IS_INTERNED(Z_STR_P(z))) {
|
|
Z_TYPE_FLAGS_P(z) &= ~ (IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE);
|
|
}
|
|
break;
|
|
case IS_ARRAY:
|
|
size = zend_shared_memdup_size(Z_ARR_P(z), sizeof(zend_array));
|
|
if (size) {
|
|
ADD_SIZE(size);
|
|
zend_hash_persist_calc(Z_ARRVAL_P(z), zend_persist_zval_calc);
|
|
}
|
|
break;
|
|
case IS_REFERENCE:
|
|
size = zend_shared_memdup_size(Z_REF_P(z), sizeof(zend_reference));
|
|
if (size) {
|
|
ADD_SIZE(size);
|
|
zend_persist_zval_calc(Z_REFVAL_P(z));
|
|
}
|
|
break;
|
|
case IS_CONSTANT_AST:
|
|
size = zend_shared_memdup_size(Z_AST_P(z), sizeof(zend_ast_ref));
|
|
if (size) {
|
|
ADD_SIZE(size);
|
|
zend_persist_ast_calc(Z_ASTVAL_P(z));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void zend_persist_op_array_calc_ex(zend_op_array *op_array)
|
|
{
|
|
if (op_array->type != ZEND_USER_FUNCTION) {
|
|
return;
|
|
}
|
|
|
|
if (op_array->static_variables) {
|
|
if (!zend_shared_alloc_get_xlat_entry(op_array->static_variables)) {
|
|
HashTable *old = op_array->static_variables;
|
|
|
|
ADD_DUP_SIZE(op_array->static_variables, sizeof(HashTable));
|
|
zend_hash_persist_calc(op_array->static_variables, zend_persist_zval_calc);
|
|
zend_shared_alloc_register_xlat_entry(old, op_array->static_variables);
|
|
}
|
|
}
|
|
|
|
if (zend_shared_alloc_get_xlat_entry(op_array->opcodes)) {
|
|
/* already stored */
|
|
if (op_array->function_name) {
|
|
zend_string *new_name = zend_shared_alloc_get_xlat_entry(op_array->function_name);
|
|
if (new_name) {
|
|
op_array->function_name = new_name;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (op_array->literals) {
|
|
zval *p = op_array->literals;
|
|
zval *end = p + op_array->last_literal;
|
|
ADD_DUP_SIZE(op_array->literals, sizeof(zval) * op_array->last_literal);
|
|
while (p < end) {
|
|
zend_persist_zval_calc(p);
|
|
p++;
|
|
}
|
|
}
|
|
|
|
ADD_DUP_SIZE(op_array->opcodes, sizeof(zend_op) * op_array->last);
|
|
|
|
if (op_array->function_name) {
|
|
zend_string *old_name = op_array->function_name;
|
|
zend_string *new_name = zend_shared_alloc_get_xlat_entry(old_name);
|
|
|
|
if (new_name) {
|
|
op_array->function_name = new_name;
|
|
} else {
|
|
ADD_INTERNED_STRING(op_array->function_name, 0);
|
|
zend_shared_alloc_register_xlat_entry(old_name, op_array->function_name);
|
|
}
|
|
}
|
|
|
|
if (op_array->filename) {
|
|
ADD_STRING(op_array->filename);
|
|
}
|
|
|
|
if (op_array->arg_info) {
|
|
zend_arg_info *arg_info = op_array->arg_info;
|
|
uint32_t num_args = op_array->num_args;
|
|
uint32_t i;
|
|
|
|
num_args = op_array->num_args;
|
|
if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
|
|
num_args++;
|
|
}
|
|
if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
|
|
arg_info--;
|
|
num_args++;
|
|
}
|
|
ADD_DUP_SIZE(arg_info, sizeof(zend_arg_info) * num_args);
|
|
for (i = 0; i < num_args; i++) {
|
|
if (arg_info[i].name) {
|
|
ADD_INTERNED_STRING(arg_info[i].name, 1);
|
|
}
|
|
if (ZEND_TYPE_IS_CLASS(arg_info[i].type)) {
|
|
zend_string *type_name = ZEND_TYPE_NAME(arg_info[i].type);
|
|
zend_bool allow_null = ZEND_TYPE_ALLOW_NULL(arg_info[i].type);
|
|
|
|
ADD_INTERNED_STRING(type_name, 1);
|
|
arg_info[i].type = ZEND_TYPE_ENCODE_CLASS(type_name, allow_null);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (op_array->live_range) {
|
|
ADD_DUP_SIZE(op_array->live_range, sizeof(zend_live_range) * op_array->last_live_range);
|
|
}
|
|
|
|
if (ZCG(accel_directives).save_comments && op_array->doc_comment) {
|
|
ADD_STRING(op_array->doc_comment);
|
|
}
|
|
|
|
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) {
|
|
int i;
|
|
|
|
ADD_DUP_SIZE(op_array->vars, sizeof(zend_string*) * op_array->last_var);
|
|
for (i = 0; i < op_array->last_var; i++) {
|
|
ADD_INTERNED_STRING(op_array->vars[i], 0);
|
|
}
|
|
}
|
|
|
|
ADD_SIZE(ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist_calc(op_array)));
|
|
}
|
|
|
|
static void zend_persist_op_array_calc(zval *zv)
|
|
{
|
|
zend_op_array *op_array = Z_PTR_P(zv);
|
|
|
|
if (op_array->type == ZEND_USER_FUNCTION/* &&
|
|
(!op_array->refcount || *(op_array->refcount) > 1)*/) {
|
|
zend_op_array *old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
|
|
if (old_op_array) {
|
|
Z_PTR_P(zv) = old_op_array;
|
|
} else {
|
|
ADD_ARENA_SIZE(sizeof(zend_op_array));
|
|
zend_persist_op_array_calc_ex(Z_PTR_P(zv));
|
|
zend_shared_alloc_register_xlat_entry(op_array, Z_PTR_P(zv));
|
|
}
|
|
} else {
|
|
ADD_ARENA_SIZE(sizeof(zend_op_array));
|
|
zend_persist_op_array_calc_ex(Z_PTR_P(zv));
|
|
}
|
|
}
|
|
|
|
static void zend_persist_property_info_calc(zval *zv)
|
|
{
|
|
zend_property_info *prop = Z_PTR_P(zv);
|
|
|
|
if (!zend_shared_alloc_get_xlat_entry(prop)) {
|
|
zend_shared_alloc_register_xlat_entry(prop, prop);
|
|
ADD_ARENA_SIZE(sizeof(zend_property_info));
|
|
ADD_INTERNED_STRING(prop->name, 0);
|
|
if (ZCG(accel_directives).save_comments && prop->doc_comment) {
|
|
ADD_STRING(prop->doc_comment);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void zend_persist_class_constant_calc(zval *zv)
|
|
{
|
|
zend_class_constant *c = Z_PTR_P(zv);
|
|
|
|
if (!zend_shared_alloc_get_xlat_entry(c)) {
|
|
zend_shared_alloc_register_xlat_entry(c, c);
|
|
ADD_ARENA_SIZE(sizeof(zend_class_constant));
|
|
zend_persist_zval_calc(&c->value);
|
|
if (ZCG(accel_directives).save_comments && c->doc_comment) {
|
|
ADD_STRING(c->doc_comment);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void zend_persist_class_entry_calc(zval *zv)
|
|
{
|
|
zend_class_entry *ce = Z_PTR_P(zv);
|
|
|
|
if (ce->type == ZEND_USER_CLASS) {
|
|
ADD_ARENA_SIZE(sizeof(zend_class_entry));
|
|
ADD_INTERNED_STRING(ce->name, 0);
|
|
zend_hash_persist_calc(&ce->function_table, zend_persist_op_array_calc);
|
|
if (ce->default_properties_table) {
|
|
int i;
|
|
|
|
ADD_SIZE(sizeof(zval) * ce->default_properties_count);
|
|
for (i = 0; i < ce->default_properties_count; i++) {
|
|
zend_persist_zval_calc(&ce->default_properties_table[i]);
|
|
}
|
|
}
|
|
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++) {
|
|
zend_persist_zval_calc(&ce->default_static_members_table[i]);
|
|
}
|
|
}
|
|
zend_hash_persist_calc(&ce->constants_table, zend_persist_class_constant_calc);
|
|
|
|
if (ce->info.user.filename) {
|
|
ADD_STRING(ce->info.user.filename);
|
|
}
|
|
if (ZCG(accel_directives).save_comments && ce->info.user.doc_comment) {
|
|
ADD_STRING(ce->info.user.doc_comment);
|
|
}
|
|
|
|
zend_hash_persist_calc(&ce->properties_info, zend_persist_property_info_calc);
|
|
|
|
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_INTERNED_STRING(ce->trait_aliases[i]->trait_method->method_name, 0);
|
|
}
|
|
if (ce->trait_aliases[i]->trait_method->class_name) {
|
|
ADD_INTERNED_STRING(ce->trait_aliases[i]->trait_method->class_name, 0);
|
|
}
|
|
ADD_SIZE(sizeof(zend_trait_method_reference));
|
|
}
|
|
|
|
if (ce->trait_aliases[i]->alias) {
|
|
ADD_INTERNED_STRING(ce->trait_aliases[i]->alias, 0);
|
|
}
|
|
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_INTERNED_STRING(ce->trait_precedences[i]->trait_method->method_name, 0);
|
|
ADD_INTERNED_STRING(ce->trait_precedences[i]->trait_method->class_name, 0);
|
|
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].class_name) {
|
|
ADD_INTERNED_STRING(ce->trait_precedences[i]->exclude_from_classes[j].class_name, 0);
|
|
j++;
|
|
}
|
|
ADD_SIZE(sizeof(zend_class_entry*) * (j + 1));
|
|
}
|
|
ADD_SIZE(sizeof(zend_trait_precedence));
|
|
i++;
|
|
}
|
|
ADD_SIZE(sizeof(zend_trait_precedence*) * (i + 1));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void zend_accel_persist_class_table_calc(HashTable *class_table)
|
|
{
|
|
zend_hash_persist_calc(class_table, zend_persist_class_entry_calc);
|
|
}
|
|
|
|
uint32_t zend_accel_script_persist_calc(zend_persistent_script *new_persistent_script, char *key, unsigned int key_length, int for_shm)
|
|
{
|
|
new_persistent_script->mem = NULL;
|
|
new_persistent_script->size = 0;
|
|
new_persistent_script->arena_mem = NULL;
|
|
new_persistent_script->arena_size = 0;
|
|
new_persistent_script->corrupted = 0;
|
|
ZCG(current_persistent_script) = new_persistent_script;
|
|
|
|
if (!for_shm) {
|
|
/* script is not going to be saved in SHM */
|
|
new_persistent_script->corrupted = 1;
|
|
}
|
|
|
|
ADD_DUP_SIZE(new_persistent_script, sizeof(zend_persistent_script));
|
|
if (key) {
|
|
ADD_DUP_SIZE(key, key_length + 1);
|
|
}
|
|
ADD_STRING(new_persistent_script->script.filename);
|
|
|
|
#ifdef __SSE2__
|
|
/* Align size to 64-byte boundary */
|
|
new_persistent_script->size = (new_persistent_script->size + 63) & ~63;
|
|
#endif
|
|
|
|
zend_accel_persist_class_table_calc(&new_persistent_script->script.class_table);
|
|
zend_hash_persist_calc(&new_persistent_script->script.function_table, zend_persist_op_array_calc);
|
|
zend_persist_op_array_calc_ex(&new_persistent_script->script.main_op_array);
|
|
|
|
#ifdef __SSE2__
|
|
/* Align size to 64-byte boundary */
|
|
new_persistent_script->arena_size = (new_persistent_script->arena_size + 63) & ~63;
|
|
#endif
|
|
|
|
new_persistent_script->size += new_persistent_script->arena_size;
|
|
new_persistent_script->corrupted = 0;
|
|
|
|
ZCG(current_persistent_script) = NULL;
|
|
|
|
return new_persistent_script->size;
|
|
}
|