zend_persist.c

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/*
   +----------------------------------------------------------------------+
   | Zend OPcache                                                         |
   +----------------------------------------------------------------------+
   | Copyright (c) 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:           |
   | https://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@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   |          Stanislav Malyshev <stas@zend.com>                          |
   |          Dmitry Stogov <dmitry@php.net>                              |
   +----------------------------------------------------------------------+
*/
 
#include "zend.h"
#include "ZendAccelerator.h"
#include "zend_persist.h"
#include "zend_extensions.h"
#include "zend_shared_alloc.h"
#include "zend_vm.h"
#include "zend_constants.h"
#include "zend_operators.h"
#include "zend_interfaces.h"
#include "zend_attributes.h"
 
#ifdef HAVE_JIT
# include "Optimizer/zend_func_info.h"
# include "jit/zend_jit.h"
#endif
 
#define zend_set_str_gc_flags(str) do { \
    GC_SET_REFCOUNT(str, 2); \
    uint32_t flags = GC_STRING | (ZSTR_IS_VALID_UTF8(str) ? IS_STR_VALID_UTF8 : 0); \
    if (file_cache_only \
     || (ZCG(current_persistent_script) && ZCG(current_persistent_script)->corrupted)) { \
        GC_TYPE_INFO(str) = GC_STRING | (IS_STR_INTERNED << GC_FLAGS_SHIFT); \
        flags |= (IS_STR_INTERNED << GC_FLAGS_SHIFT); \
    } else { \
        flags |= ((IS_STR_INTERNED | IS_STR_PERMANENT) << GC_FLAGS_SHIFT); \
    } \
    GC_TYPE_INFO(str) = flags; \
} while (0)
 
#define zend_accel_store_string(str) do { \
        zend_string *new_str = zend_shared_alloc_get_xlat_entry(str); \
        if (new_str) { \
            zend_string_release_ex(str, 0); \
            str = new_str; \
        } else { \
            new_str = zend_shared_memdup_put((void*)str, _ZSTR_STRUCT_SIZE(ZSTR_LEN(str))); \
            zend_string_release_ex(str, 0); \
            str = new_str; \
            zend_string_hash_val(str); \
            zend_set_str_gc_flags(str); \
        } \
    } while (0)
#define zend_accel_memdup_string(str) do { \
        zend_string *new_str = zend_shared_alloc_get_xlat_entry(str); \
        if (new_str) { \
            str = new_str; \
        } else { \
            new_str = zend_shared_memdup_put((void*)str, _ZSTR_STRUCT_SIZE(ZSTR_LEN(str))); \
            str = new_str; \
            zend_string_hash_val(str); \
            zend_set_str_gc_flags(str); \
        } \
    } while (0)
#define zend_accel_store_interned_string(str) do { \
        if (!IS_ACCEL_INTERNED(str)) { \
            zend_accel_store_string(str); \
        } \
    } while (0)
#define zend_accel_memdup_interned_string(str) do { \
        if (!IS_ACCEL_INTERNED(str)) { \
            zend_accel_memdup_string(str); \
        } \
    } while (0)
 
typedef void (*zend_persist_func_t)(zval*);
 
static void zend_persist_zval(zval *z);
static void zend_persist_op_array(zval *zv);
 
static const uint32_t uninitialized_bucket[-HT_MIN_MASK] =
    {HT_INVALID_IDX, HT_INVALID_IDX};
 
static void zend_hash_persist(HashTable *ht)
{
    uint32_t idx, nIndex;
    Bucket *p;
 
    HT_FLAGS(ht) |= HASH_FLAG_STATIC_KEYS;
    ht->pDestructor = NULL;
    ht->nInternalPointer = 0;
 
    if (HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED) {
        if (EXPECTED(!ZCG(current_persistent_script)->corrupted)) {
            HT_SET_DATA_ADDR(ht, &ZCSG(uninitialized_bucket));
        } else {
            HT_SET_DATA_ADDR(ht, &uninitialized_bucket);
        }
        return;
    }
    if (ht->nNumUsed == 0) {
        efree(HT_GET_DATA_ADDR(ht));
        ht->nTableMask = HT_MIN_MASK;
        if (EXPECTED(!ZCG(current_persistent_script)->corrupted)) {
            HT_SET_DATA_ADDR(ht, &ZCSG(uninitialized_bucket));
        } else {
            HT_SET_DATA_ADDR(ht, &uninitialized_bucket);
        }
        HT_FLAGS(ht) |= HASH_FLAG_UNINITIALIZED;
        return;
    }
    if (HT_IS_PACKED(ht)) {
        void *data = HT_GET_DATA_ADDR(ht);
        if (GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) {
            data = zend_shared_memdup(data, HT_PACKED_USED_SIZE(ht));
        } else {
            data = zend_shared_memdup_free(data, HT_PACKED_USED_SIZE(ht));
        }
        HT_SET_DATA_ADDR(ht, data);
    } else if (ht->nNumUsed > HT_MIN_SIZE && ht->nNumUsed < (uint32_t)(-(int32_t)ht->nTableMask) / 4) {
        /* compact table */
        void *old_data = HT_GET_DATA_ADDR(ht);
        Bucket *old_buckets = ht->arData;
        uint32_t hash_size;
 
        hash_size = (uint32_t)(-(int32_t)ht->nTableMask);
        while (hash_size >> 2 > ht->nNumUsed) {
            hash_size >>= 1;
        }
        ht->nTableMask = (uint32_t)(-(int32_t)hash_size);
        ZEND_ASSERT(((uintptr_t)ZCG(mem) & 0x7) == 0); /* should be 8 byte aligned */
        HT_SET_DATA_ADDR(ht, ZCG(mem));
        ZCG(mem) = (void*)((char*)ZCG(mem) + ZEND_ALIGNED_SIZE((hash_size * sizeof(uint32_t)) + (ht->nNumUsed * sizeof(Bucket))));
        HT_HASH_RESET(ht);
        memcpy(ht->arData, old_buckets, ht->nNumUsed * sizeof(Bucket));
        if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
            efree(old_data);
        }
 
        /* rehash */
        for (idx = 0; idx < ht->nNumUsed; idx++) {
            p = ht->arData + idx;
            if (Z_TYPE(p->val) == IS_UNDEF) continue;
            nIndex = p->h | ht->nTableMask;
            Z_NEXT(p->val) = HT_HASH(ht, nIndex);
            HT_HASH(ht, nIndex) = HT_IDX_TO_HASH(idx);
        }
    } else {
        void *data = ZCG(mem);
        void *old_data = HT_GET_DATA_ADDR(ht);
 
        ZEND_ASSERT(((uintptr_t)ZCG(mem) & 0x7) == 0); /* should be 8 byte aligned */
        ZCG(mem) = (void*)((char*)data + ZEND_ALIGNED_SIZE(HT_USED_SIZE(ht)));
        memcpy(data, old_data, HT_USED_SIZE(ht));
        if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
            efree(old_data);
        }
        HT_SET_DATA_ADDR(ht, data);
    }
}
 
static zend_ast *zend_persist_ast(zend_ast *ast)
{
    uint32_t i;
    zend_ast *node;
 
    if (ast->kind == ZEND_AST_ZVAL || ast->kind == ZEND_AST_CONSTANT) {
        zend_ast_zval *copy = zend_shared_memdup(ast, sizeof(zend_ast_zval));
        zend_persist_zval(&copy->val);
        node = (zend_ast *) copy;
    } else if (zend_ast_is_list(ast)) {
        zend_ast_list *list = zend_ast_get_list(ast);
        zend_ast_list *copy = zend_shared_memdup(ast,
            sizeof(zend_ast_list) - sizeof(zend_ast *) + sizeof(zend_ast *) * list->children);
        for (i = 0; i < list->children; i++) {
            if (copy->child[i]) {
                copy->child[i] = zend_persist_ast(copy->child[i]);
            }
        }
        node = (zend_ast *) copy;
    } else {
        uint32_t children = zend_ast_get_num_children(ast);
        node = zend_shared_memdup(ast, zend_ast_size(children));
        for (i = 0; i < children; i++) {
            if (node->child[i]) {
                node->child[i] = zend_persist_ast(node->child[i]);
            }
        }
    }
 
    return node;
}
 
static void zend_persist_zval(zval *z)
{
    void *new_ptr;
 
    switch (Z_TYPE_P(z)) {
        case IS_STRING:
            zend_accel_store_interned_string(Z_STR_P(z));
            Z_TYPE_FLAGS_P(z) = 0;
            break;
        case IS_ARRAY:
            new_ptr = zend_shared_alloc_get_xlat_entry(Z_ARR_P(z));
            if (new_ptr) {
                Z_ARR_P(z) = new_ptr;
                Z_TYPE_FLAGS_P(z) = 0;
            } else if (!ZCG(current_persistent_script)->corrupted
             && zend_accel_in_shm(Z_ARR_P(z))) {
                /* pass */
            } else {
                HashTable *ht;
 
                if (!Z_REFCOUNTED_P(z)) {
                    ht = zend_shared_memdup_put(Z_ARR_P(z), sizeof(zend_array));
                } else {
                    GC_REMOVE_FROM_BUFFER(Z_ARR_P(z));
                    ht = zend_shared_memdup_put_free(Z_ARR_P(z), sizeof(zend_array));
                }
                Z_ARR_P(z) = ht;
                zend_hash_persist(ht);
                if (HT_IS_PACKED(ht)) {
                    zval *zv;
 
                    ZEND_HASH_PACKED_FOREACH_VAL(ht, zv) {
                        zend_persist_zval(zv);
                    } ZEND_HASH_FOREACH_END();
                } else {
                    Bucket *p;
 
                    ZEND_HASH_MAP_FOREACH_BUCKET(ht, p) {
                        if (p->key) {
                            zend_accel_store_interned_string(p->key);
                        }
                        zend_persist_zval(&p->val);
                    } ZEND_HASH_FOREACH_END();
                }
                /* make immutable array */
                Z_TYPE_FLAGS_P(z) = 0;
                GC_SET_REFCOUNT(Z_COUNTED_P(z), 2);
                GC_ADD_FLAGS(Z_COUNTED_P(z), IS_ARRAY_IMMUTABLE);
            }
            break;
        case IS_CONSTANT_AST:
            new_ptr = zend_shared_alloc_get_xlat_entry(Z_AST_P(z));
            if (new_ptr) {
                Z_AST_P(z) = new_ptr;
                Z_TYPE_FLAGS_P(z) = 0;
            } else if (ZCG(current_persistent_script)->corrupted
             || !zend_accel_in_shm(Z_AST_P(z))) {
                zend_ast_ref *old_ref = Z_AST_P(z);
                Z_AST_P(z) = zend_shared_memdup_put(Z_AST_P(z), sizeof(zend_ast_ref));
                zend_persist_ast(GC_AST(old_ref));
                Z_TYPE_FLAGS_P(z) = 0;
                GC_SET_REFCOUNT(Z_COUNTED_P(z), 1);
                GC_ADD_FLAGS(Z_COUNTED_P(z), GC_IMMUTABLE);
                efree(old_ref);
            }
            break;
        default:
            ZEND_ASSERT(Z_TYPE_P(z) < IS_STRING);
            break;
    }
}
 
static HashTable *zend_persist_attributes(HashTable *attributes)
{
    uint32_t i;
    zval *v;
 
    if (!ZCG(current_persistent_script)->corrupted && zend_accel_in_shm(attributes)) {
        return attributes;
    }
 
    /* Attributes for trait properties may be shared if preloading is used. */
    HashTable *xlat = zend_shared_alloc_get_xlat_entry(attributes);
    if (xlat) {
        return xlat;
    }
 
    zend_hash_persist(attributes);
 
    ZEND_HASH_PACKED_FOREACH_VAL(attributes, v) {
        zend_attribute *attr = Z_PTR_P(v);
        zend_attribute *copy = zend_shared_memdup_put_free(attr, ZEND_ATTRIBUTE_SIZE(attr->argc));
 
        zend_accel_store_interned_string(copy->name);
        zend_accel_store_interned_string(copy->lcname);
 
        for (i = 0; i < copy->argc; i++) {
            if (copy->args[i].name) {
                zend_accel_store_interned_string(copy->args[i].name);
            }
            zend_persist_zval(&copy->args[i].value);
        }
 
        ZVAL_PTR(v, copy);
    } ZEND_HASH_FOREACH_END();
 
    HashTable *ptr = zend_shared_memdup_put_free(attributes, sizeof(HashTable));
    GC_SET_REFCOUNT(ptr, 2);
    GC_TYPE_INFO(ptr) = GC_ARRAY | ((IS_ARRAY_IMMUTABLE|GC_NOT_COLLECTABLE) << GC_FLAGS_SHIFT);
 
    return ptr;
}
 
uint32_t zend_accel_get_class_name_map_ptr(zend_string *type_name)
{
    uint32_t ret;
 
    if (zend_string_equals_literal_ci(type_name, "self") ||
            zend_string_equals_literal_ci(type_name, "parent")) {
        return 0;
    }
 
    /* We use type.name.gc.refcount to keep map_ptr of corresponding type */
    if (ZSTR_HAS_CE_CACHE(type_name)) {
        return GC_REFCOUNT(type_name);
    }
 
    if ((GC_FLAGS(type_name) & GC_IMMUTABLE)
     && (GC_FLAGS(type_name) & IS_STR_PERMANENT)) {
        do {
            ret = ZEND_MAP_PTR_NEW_OFFSET();
        } while (ret <= 2);
        GC_SET_REFCOUNT(type_name, ret);
        GC_ADD_FLAGS(type_name, IS_STR_CLASS_NAME_MAP_PTR);
        return ret;
    }
 
    return 0;
}
 
static void zend_persist_type(zend_type *type) {
    if (ZEND_TYPE_HAS_LIST(*type)) {
        zend_type_list *list = ZEND_TYPE_LIST(*type);
        if (ZEND_TYPE_USES_ARENA(*type) || zend_accel_in_shm(list)) {
            list = zend_shared_memdup_put(list, ZEND_TYPE_LIST_SIZE(list->num_types));
            ZEND_TYPE_FULL_MASK(*type) &= ~_ZEND_TYPE_ARENA_BIT;
        } else {
            list = zend_shared_memdup_put_free(list, ZEND_TYPE_LIST_SIZE(list->num_types));
        }
        ZEND_TYPE_SET_PTR(*type, list);
    }
 
    zend_type *single_type;
    ZEND_TYPE_FOREACH(*type, single_type) {
        if (ZEND_TYPE_HAS_LIST(*single_type)) {
            zend_persist_type(single_type);
            continue;
        }
        if (ZEND_TYPE_HAS_NAME(*single_type)) {
            zend_string *type_name = ZEND_TYPE_NAME(*single_type);
            zend_accel_store_interned_string(type_name);
            ZEND_TYPE_SET_PTR(*single_type, type_name);
            if (!ZCG(current_persistent_script)->corrupted) {
                zend_accel_get_class_name_map_ptr(type_name);
            }
        }
    } ZEND_TYPE_FOREACH_END();
}
 
static void zend_persist_op_array_ex(zend_op_array *op_array, zend_persistent_script* main_persistent_script)
{
    zend_op *persist_ptr;
    zval *orig_literals = NULL;
 
    if (op_array->refcount && --(*op_array->refcount) == 0) {
        efree(op_array->refcount);
    }
    op_array->refcount = NULL;
 
    if (main_persistent_script) {
        zend_execute_data *orig_execute_data = EG(current_execute_data);
        zend_execute_data fake_execute_data;
        zval *offset;
 
        memset(&fake_execute_data, 0, sizeof(fake_execute_data));
        fake_execute_data.func = (zend_function*)op_array;
        EG(current_execute_data) = &fake_execute_data;
        if ((offset = zend_get_constant_str("__COMPILER_HALT_OFFSET__", sizeof("__COMPILER_HALT_OFFSET__") - 1)) != NULL) {
            main_persistent_script->compiler_halt_offset = Z_LVAL_P(offset);
        }
        EG(current_execute_data) = orig_execute_data;
    }
 
    if (op_array->function_name) {
        zend_string *old_name = op_array->function_name;
        zend_accel_store_interned_string(op_array->function_name);
        /* Remember old function name, so it can be released multiple times if shared. */
        if (op_array->function_name != old_name
                && !zend_shared_alloc_get_xlat_entry(&op_array->function_name)) {
            zend_shared_alloc_register_xlat_entry(&op_array->function_name, old_name);
        }
    }
 
    if (op_array->scope) {
        zend_class_entry *scope = zend_shared_alloc_get_xlat_entry(op_array->scope);
 
        if (scope) {
            op_array->scope = scope;
        }
 
        if (op_array->prototype) {
            zend_function *ptr = zend_shared_alloc_get_xlat_entry(op_array->prototype);
 
            if (ptr) {
                op_array->prototype = ptr;
            }
        }
 
        persist_ptr = zend_shared_alloc_get_xlat_entry(op_array->opcodes);
        if (persist_ptr) {
            op_array->opcodes = persist_ptr;
            if (op_array->static_variables) {
                op_array->static_variables = zend_shared_alloc_get_xlat_entry(op_array->static_variables);
                ZEND_ASSERT(op_array->static_variables != NULL);
            }
            if (op_array->literals) {
                op_array->literals = zend_shared_alloc_get_xlat_entry(op_array->literals);
                ZEND_ASSERT(op_array->literals != NULL);
            }
            if (op_array->filename) {
                op_array->filename = zend_shared_alloc_get_xlat_entry(op_array->filename);
                ZEND_ASSERT(op_array->filename != NULL);
            }
            if (op_array->arg_info) {
                zend_arg_info *arg_info = op_array->arg_info;
                if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
                    arg_info--;
                }
                arg_info = zend_shared_alloc_get_xlat_entry(arg_info);
                ZEND_ASSERT(arg_info != NULL);
                if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
                    arg_info++;
                }
                op_array->arg_info = arg_info;
            }
            if (op_array->live_range) {
                op_array->live_range = zend_shared_alloc_get_xlat_entry(op_array->live_range);
                ZEND_ASSERT(op_array->live_range != NULL);
            }
            if (op_array->doc_comment) {
                if (ZCG(accel_directives).save_comments) {
                    op_array->doc_comment = zend_shared_alloc_get_xlat_entry(op_array->doc_comment);
                    ZEND_ASSERT(op_array->doc_comment != NULL);
                } else {
                    op_array->doc_comment = NULL;
                }
            }
            if (op_array->attributes) {
                op_array->attributes = zend_shared_alloc_get_xlat_entry(op_array->attributes);
                ZEND_ASSERT(op_array->attributes != NULL);
            }
 
            if (op_array->try_catch_array) {
                op_array->try_catch_array = zend_shared_alloc_get_xlat_entry(op_array->try_catch_array);
                ZEND_ASSERT(op_array->try_catch_array != NULL);
            }
            if (op_array->vars) {
                op_array->vars = zend_shared_alloc_get_xlat_entry(op_array->vars);
                ZEND_ASSERT(op_array->vars != NULL);
            }
            if (op_array->dynamic_func_defs) {
                op_array->dynamic_func_defs = zend_shared_alloc_get_xlat_entry(op_array->dynamic_func_defs);
                ZEND_ASSERT(op_array->dynamic_func_defs != NULL);
            }
            ZCG(mem) = (void*)((char*)ZCG(mem) + ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist(op_array, ZCG(mem))));
            return;
        }
    } else {
        /* "prototype" may be undefined if "scope" isn't set */
        op_array->prototype = NULL;
    }
 
    if (op_array->scope
     && !(op_array->fn_flags & ZEND_ACC_CLOSURE)
     && (op_array->scope->ce_flags & ZEND_ACC_CACHED)) {
        return;
    }
 
    if (op_array->static_variables && !zend_accel_in_shm(op_array->static_variables)) {
        Bucket *p;
 
        zend_hash_persist(op_array->static_variables);
        ZEND_HASH_MAP_FOREACH_BUCKET(op_array->static_variables, p) {
            ZEND_ASSERT(p->key != NULL);
            zend_accel_store_interned_string(p->key);
            zend_persist_zval(&p->val);
        } ZEND_HASH_FOREACH_END();
        op_array->static_variables = zend_shared_memdup_put_free(op_array->static_variables, sizeof(HashTable));
        /* make immutable array */
        GC_SET_REFCOUNT(op_array->static_variables, 2);
        GC_TYPE_INFO(op_array->static_variables) = GC_ARRAY | ((IS_ARRAY_IMMUTABLE|GC_NOT_COLLECTABLE) << GC_FLAGS_SHIFT);
    }
 
    if (op_array->literals) {
        zval *p, *end;
 
        orig_literals = op_array->literals;
#if ZEND_USE_ABS_CONST_ADDR
        p = zend_shared_memdup_put_free(op_array->literals, sizeof(zval) * op_array->last_literal);
#else
        p = zend_shared_memdup_put(op_array->literals, sizeof(zval) * op_array->last_literal);
#endif
        end = p + op_array->last_literal;
        op_array->literals = p;
        while (p < end) {
            zend_persist_zval(p);
            p++;
        }
    }
 
    {
        zend_op *new_opcodes = zend_shared_memdup_put(op_array->opcodes, sizeof(zend_op) * op_array->last);
        zend_op *opline = new_opcodes;
        zend_op *end = new_opcodes + op_array->last;
        int offset = 0;
 
        for (; opline < end ; opline++, offset++) {
#if ZEND_USE_ABS_CONST_ADDR
            if (opline->op1_type == IS_CONST) {
                opline->op1.zv = (zval*)((char*)opline->op1.zv + ((char*)op_array->literals - (char*)orig_literals));
                if (opline->opcode == ZEND_SEND_VAL
                 || opline->opcode == ZEND_SEND_VAL_EX
                 || opline->opcode == ZEND_QM_ASSIGN) {
                    /* Update handlers to eliminate REFCOUNTED check */
                    zend_vm_set_opcode_handler_ex(opline, 1 << Z_TYPE_P(opline->op1.zv), 0, 0);
                }
            }
            if (opline->op2_type == IS_CONST) {
                opline->op2.zv = (zval*)((char*)opline->op2.zv + ((char*)op_array->literals - (char*)orig_literals));
            }
#else
            if (opline->op1_type == IS_CONST) {
                opline->op1.constant =
                    (char*)(op_array->literals +
                        ((zval*)((char*)(op_array->opcodes + (opline - new_opcodes)) +
                        (int32_t)opline->op1.constant) - orig_literals)) -
                    (char*)opline;
                if (opline->opcode == ZEND_SEND_VAL
                 || opline->opcode == ZEND_SEND_VAL_EX
                 || opline->opcode == ZEND_QM_ASSIGN) {
                    zend_vm_set_opcode_handler_ex(opline, 0, 0, 0);
                }
            }
            if (opline->op2_type == IS_CONST) {
                opline->op2.constant =
                    (char*)(op_array->literals +
                        ((zval*)((char*)(op_array->opcodes + (opline - new_opcodes)) +
                        (int32_t)opline->op2.constant) - orig_literals)) -
                    (char*)opline;
            }
#endif
#if ZEND_USE_ABS_JMP_ADDR
            if (op_array->fn_flags & ZEND_ACC_DONE_PASS_TWO) {
                /* fix jumps to point to new array */
                switch (opline->opcode) {
                    case ZEND_JMP:
                    case ZEND_FAST_CALL:
                        opline->op1.jmp_addr = &new_opcodes[opline->op1.jmp_addr - op_array->opcodes];
                        break;
                    case ZEND_JMPZ:
                    case ZEND_JMPNZ:
                    case ZEND_JMPZ_EX:
                    case ZEND_JMPNZ_EX:
                    case ZEND_JMP_SET:
                    case ZEND_COALESCE:
                    case ZEND_FE_RESET_R:
                    case ZEND_FE_RESET_RW:
                    case ZEND_ASSERT_CHECK:
                    case ZEND_JMP_NULL:
                    case ZEND_BIND_INIT_STATIC_OR_JMP:
                    case ZEND_JMP_FRAMELESS:
                        opline->op2.jmp_addr = &new_opcodes[opline->op2.jmp_addr - op_array->opcodes];
                        break;
                    case ZEND_CATCH:
                        if (!(opline->extended_value & ZEND_LAST_CATCH)) {
                            opline->op2.jmp_addr = &new_opcodes[opline->op2.jmp_addr - op_array->opcodes];
                        }
                        break;
                    case ZEND_FE_FETCH_R:
                    case ZEND_FE_FETCH_RW:
                    case ZEND_SWITCH_LONG:
                    case ZEND_SWITCH_STRING:
                    case ZEND_MATCH:
                        /* relative extended_value don't have to be changed */
                        break;
                }
            }
#endif
        }
 
        efree(op_array->opcodes);
        op_array->opcodes = new_opcodes;
    }
 
    if (op_array->filename) {
        zend_accel_store_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;
 
        if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
            arg_info--;
            num_args++;
        }
        if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
            num_args++;
        }
        arg_info = zend_shared_memdup_put_free(arg_info, sizeof(zend_arg_info) * num_args);
        for (i = 0; i < num_args; i++) {
            if (arg_info[i].name) {
                zend_accel_store_interned_string(arg_info[i].name);
            }
            zend_persist_type(&arg_info[i].type);
        }
        if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
            arg_info++;
        }
        op_array->arg_info = arg_info;
    }
 
    if (op_array->live_range) {
        op_array->live_range = zend_shared_memdup_put_free(op_array->live_range, sizeof(zend_live_range) * op_array->last_live_range);
    }
 
    if (op_array->doc_comment) {
        if (ZCG(accel_directives).save_comments) {
            zend_accel_store_interned_string(op_array->doc_comment);
        } else {
            zend_string_release_ex(op_array->doc_comment, 0);
            op_array->doc_comment = NULL;
        }
    }
 
    if (op_array->attributes) {
        op_array->attributes = zend_persist_attributes(op_array->attributes);
    }
 
    if (op_array->try_catch_array) {
        op_array->try_catch_array = zend_shared_memdup_put_free(op_array->try_catch_array, sizeof(zend_try_catch_element) * op_array->last_try_catch);
    }
 
    if (op_array->vars) {
        int i;
        op_array->vars = zend_shared_memdup_put_free(op_array->vars, sizeof(zend_string*) * op_array->last_var);
        for (i = 0; i < op_array->last_var; i++) {
            zend_accel_store_interned_string(op_array->vars[i]);
        }
    }
 
    if (op_array->num_dynamic_func_defs) {
        op_array->dynamic_func_defs = zend_shared_memdup_put_free(
            op_array->dynamic_func_defs, sizeof(zend_function *) * op_array->num_dynamic_func_defs);
        for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) {
            zval tmp;
            ZVAL_PTR(&tmp, op_array->dynamic_func_defs[i]);
            zend_persist_op_array(&tmp);
            op_array->dynamic_func_defs[i] = Z_PTR(tmp);
        }
    }
 
    ZCG(mem) = (void*)((char*)ZCG(mem) + ZEND_ALIGNED_SIZE(zend_extensions_op_array_persist(op_array, ZCG(mem))));
}
 
static void zend_persist_op_array(zval *zv)
{
    zend_op_array *op_array = Z_PTR_P(zv);
    zend_op_array *old_op_array;
    ZEND_ASSERT(op_array->type == ZEND_USER_FUNCTION);
 
    old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
    if (!old_op_array) {
        op_array = Z_PTR_P(zv) = zend_shared_memdup_put(Z_PTR_P(zv), sizeof(zend_op_array));
        zend_persist_op_array_ex(op_array, NULL);
        if (!ZCG(current_persistent_script)->corrupted) {
            op_array->fn_flags |= ZEND_ACC_IMMUTABLE;
            ZEND_MAP_PTR_NEW(op_array->run_time_cache);
            if (op_array->static_variables) {
                ZEND_MAP_PTR_NEW(op_array->static_variables_ptr);
            }
        }
#ifdef HAVE_JIT
        if (JIT_G(on)
         && JIT_G(opt_level) <= ZEND_JIT_LEVEL_OPT_FUNCS
         && (!ZCG(current_persistent_script)
          || !ZCG(current_persistent_script)->corrupted)) {
            zend_jit_op_array(op_array, ZCG(current_persistent_script) ? &ZCG(current_persistent_script)->script : NULL);
        }
#endif
    } else {
        /* This can happen during preloading, if a dynamic function definition is declared. */
        Z_PTR_P(zv) = old_op_array;
    }
}
 
static zend_op_array *zend_persist_class_method(zend_op_array *op_array, zend_class_entry *ce)
{
    zend_op_array *old_op_array;
 
    if (op_array->type != ZEND_USER_FUNCTION) {
        ZEND_ASSERT(op_array->type == ZEND_INTERNAL_FUNCTION);
        if (op_array->fn_flags & ZEND_ACC_ARENA_ALLOCATED) {
            old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
            if (old_op_array) {
                return old_op_array;
            } else {
                op_array = zend_shared_memdup_put(op_array, sizeof(zend_internal_function));
                if (op_array->scope) {
                    void *persist_ptr;
 
                    if ((persist_ptr = zend_shared_alloc_get_xlat_entry(op_array->scope))) {
                        op_array->scope = (zend_class_entry*)persist_ptr;
                    }
                    if (op_array->prototype) {
                        if ((persist_ptr = zend_shared_alloc_get_xlat_entry(op_array->prototype))) {
                            op_array->prototype = (zend_function*)persist_ptr;
                        }
                    }
                }
                // Real dynamically created internal functions like enum methods must have their own run_time_cache pointer. They're always on the same scope as their defining class.
                // However, copies - as caused by inheritance of internal methods - must retain the original run_time_cache pointer, shared with the source function.
                if (!op_array->scope || (op_array->scope == ce && !(op_array->fn_flags & ZEND_ACC_TRAIT_CLONE))) {
                    if (op_array->fn_flags & ZEND_ACC_PRELOADED) {
                        ZEND_MAP_PTR_NEW_STATIC(op_array->run_time_cache);
                    } else {
                        ZEND_MAP_PTR_NEW(op_array->run_time_cache);
                    }
                }
            }
        }
        return op_array;
    }
 
    if ((op_array->fn_flags & ZEND_ACC_IMMUTABLE)
     && !ZCG(current_persistent_script)->corrupted
     && zend_accel_in_shm(op_array)) {
        zend_shared_alloc_register_xlat_entry(op_array, op_array);
        return op_array;
    }
 
    old_op_array = zend_shared_alloc_get_xlat_entry(op_array);
    if (old_op_array) {
        if (op_array->refcount && --(*op_array->refcount) == 0) {
            efree(op_array->refcount);
        }
 
        /* If op_array is shared, the function name refcount is still incremented for each use,
         * so we need to release it here. We remembered the original function name in xlat. */
        zend_string *old_function_name =
            zend_shared_alloc_get_xlat_entry(&old_op_array->function_name);
        if (old_function_name) {
            zend_string_release_ex(old_function_name, 0);
        }
        return old_op_array;
    }
 
    op_array = zend_shared_memdup_put(op_array, sizeof(zend_op_array));
    zend_persist_op_array_ex(op_array, NULL);
    if (ce->ce_flags & ZEND_ACC_IMMUTABLE) {
        op_array->fn_flags |= ZEND_ACC_IMMUTABLE;
        if (ce->ce_flags & ZEND_ACC_LINKED) {
            ZEND_MAP_PTR_NEW(op_array->run_time_cache);
            if (op_array->static_variables) {
                ZEND_MAP_PTR_NEW(op_array->static_variables_ptr);
            }
        } else {
            ZEND_MAP_PTR_INIT(op_array->run_time_cache, NULL);
            ZEND_MAP_PTR_INIT(op_array->static_variables_ptr, NULL);
        }
    }
    return op_array;
}
 
static zend_property_info *zend_persist_property_info(zend_property_info *prop)
{
    zend_class_entry *ce;
    prop = zend_shared_memdup_put(prop, sizeof(zend_property_info));
    ce = zend_shared_alloc_get_xlat_entry(prop->ce);
    if (ce) {
        prop->ce = ce;
    }
    zend_accel_store_interned_string(prop->name);
    if (prop->doc_comment) {
        if (ZCG(accel_directives).save_comments) {
            zend_accel_store_interned_string(prop->doc_comment);
        } else {
            if (!zend_shared_alloc_get_xlat_entry(prop->doc_comment)) {
                zend_shared_alloc_register_xlat_entry(prop->doc_comment, prop->doc_comment);
            }
            zend_string_release_ex(prop->doc_comment, 0);
            prop->doc_comment = NULL;
        }
    }
    if (prop->attributes) {
        prop->attributes = zend_persist_attributes(prop->attributes);
    }
    if (prop->prototype) {
        zend_property_info *new_prototype = (zend_property_info *) zend_shared_alloc_get_xlat_entry(prop->prototype);
        if (new_prototype) {
            prop->prototype = new_prototype;
        }
    }
    if (prop->hooks) {
        prop->hooks = zend_shared_memdup_put(prop->hooks, ZEND_PROPERTY_HOOK_STRUCT_SIZE);
        for (uint32_t i = 0; i < ZEND_PROPERTY_HOOK_COUNT; i++) {
            if (prop->hooks[i]) {
                zend_op_array *hook = zend_persist_class_method(&prop->hooks[i]->op_array, ce);
#ifdef HAVE_JIT
                if (JIT_G(on)
                 && JIT_G(opt_level) <= ZEND_JIT_LEVEL_OPT_FUNCS
                 && (!ZCG(current_persistent_script)
                  || !ZCG(current_persistent_script)->corrupted)) {
                    if (hook->scope == ce && !(hook->fn_flags & ZEND_ACC_TRAIT_CLONE)) {
                        zend_jit_op_array(hook, ZCG(current_persistent_script) ? &ZCG(current_persistent_script)->script : NULL);
                    }
                }
#endif
                zend_property_info *new_prop_info = (zend_property_info *) zend_shared_alloc_get_xlat_entry(hook->prop_info);
                if (new_prop_info) {
                    hook->prop_info = new_prop_info;
                }
                prop->hooks[i] = (zend_function *) hook;
            }
        }
    }
    zend_persist_type(&prop->type);
    return prop;
}
 
static void zend_persist_class_constant(zval *zv)
{
    zend_class_constant *orig_c = Z_PTR_P(zv);
    zend_class_constant *c = zend_shared_alloc_get_xlat_entry(orig_c);
    zend_class_entry *ce;
 
    if (c) {
        Z_PTR_P(zv) = c;
        return;
    } else if (((orig_c->ce->ce_flags & ZEND_ACC_IMMUTABLE) && !(Z_CONSTANT_FLAGS(orig_c->value) & CONST_OWNED))
     || orig_c->ce->type == ZEND_INTERNAL_CLASS) {
        /* Class constant comes from a different file in shm or internal class, keep existing pointer. */
        return;
    } else if (!ZCG(current_persistent_script)->corrupted
     && zend_accel_in_shm(Z_PTR_P(zv))) {
        return;
    }
    c = Z_PTR_P(zv) = zend_shared_memdup_put(Z_PTR_P(zv), sizeof(zend_class_constant));
    zend_persist_zval(&c->value);
    ce = zend_shared_alloc_get_xlat_entry(c->ce);
    if (ce) {
        c->ce = ce;
    }
    if (c->doc_comment) {
        if (ZCG(accel_directives).save_comments) {
            zend_string *doc_comment = zend_shared_alloc_get_xlat_entry(c->doc_comment);
            if (doc_comment) {
                c->doc_comment = doc_comment;
            } else {
                zend_accel_store_interned_string(c->doc_comment);
            }
        } else {
            zend_string *doc_comment = zend_shared_alloc_get_xlat_entry(c->doc_comment);
            if (!doc_comment) {
                zend_shared_alloc_register_xlat_entry(c->doc_comment, c->doc_comment);
                zend_string_release_ex(c->doc_comment, 0);
            }
            c->doc_comment = NULL;
        }
    }
    if (c->attributes) {
        c->attributes = zend_persist_attributes(c->attributes);
    }
    zend_persist_type(&c->type);
}
 
zend_class_entry *zend_persist_class_entry(zend_class_entry *orig_ce)
{
    Bucket *p;
    zend_class_entry *ce = orig_ce;
 
    if (ce->type == ZEND_USER_CLASS) {
        /* The same zend_class_entry may be reused by class_alias */
        zend_class_entry *new_ce = zend_shared_alloc_get_xlat_entry(ce);
        if (new_ce) {
            return new_ce;
        }
        ce = zend_shared_memdup_put(ce, sizeof(zend_class_entry));
        if (EXPECTED(!ZCG(current_persistent_script)->corrupted)) {
            ce->ce_flags |= ZEND_ACC_IMMUTABLE;
            if ((ce->ce_flags & ZEND_ACC_LINKED)
             && !(ce->ce_flags & ZEND_ACC_CONSTANTS_UPDATED)) {
                ZEND_MAP_PTR_NEW(ce->mutable_data);
            } else {
                ZEND_MAP_PTR_INIT(ce->mutable_data, NULL);
            }
        } else {
            ce->ce_flags |= ZEND_ACC_FILE_CACHED;
        }
        ce->inheritance_cache = NULL;
 
        if (!(ce->ce_flags & ZEND_ACC_CACHED)) {
            if (ZSTR_HAS_CE_CACHE(ce->name)) {
                ZSTR_SET_CE_CACHE_EX(ce->name, NULL, 0);
            }
            zend_accel_store_interned_string(ce->name);
            if (!(ce->ce_flags & ZEND_ACC_ANON_CLASS)
             && !ZCG(current_persistent_script)->corrupted) {
                zend_accel_get_class_name_map_ptr(ce->name);
            }
            if (ce->parent_name && !(ce->ce_flags & ZEND_ACC_LINKED)) {
                zend_accel_store_interned_string(ce->parent_name);
            }
        }
 
        zend_hash_persist(&ce->function_table);
        ZEND_HASH_MAP_FOREACH_BUCKET(&ce->function_table, p) {
            ZEND_ASSERT(p->key != NULL);
            zend_accel_store_interned_string(p->key);
            Z_PTR(p->val) = zend_persist_class_method(Z_PTR(p->val), ce);
        } ZEND_HASH_FOREACH_END();
        HT_FLAGS(&ce->function_table) &= (HASH_FLAG_UNINITIALIZED | HASH_FLAG_STATIC_KEYS);
        if (ce->default_properties_table) {
            int i;
 
            ce->default_properties_table = zend_shared_memdup_free(ce->default_properties_table, sizeof(zval) * ce->default_properties_count);
            for (i = 0; i < ce->default_properties_count; i++) {
                zend_persist_zval(&ce->default_properties_table[i]);
            }
        }
        if (ce->default_static_members_table) {
            int i;
            ce->default_static_members_table = zend_shared_memdup_free(ce->default_static_members_table, sizeof(zval) * ce->default_static_members_count);
 
            /* Persist only static properties in this class.
             * Static properties from parent classes will be handled in class_copy_ctor and are marked with IS_INDIRECT */
            for (i = 0; i < ce->default_static_members_count; i++) {
                if (Z_TYPE(ce->default_static_members_table[i]) != IS_INDIRECT) {
                    zend_persist_zval(&ce->default_static_members_table[i]);
                }
            }
            if (ce->ce_flags & ZEND_ACC_IMMUTABLE) {
                if (ce->ce_flags & ZEND_ACC_LINKED) {
                    ZEND_MAP_PTR_NEW(ce->static_members_table);
                } else {
                    ZEND_MAP_PTR_INIT(ce->static_members_table, NULL);
                }
            }
        }
 
        zend_hash_persist(&ce->constants_table);
        ZEND_HASH_MAP_FOREACH_BUCKET(&ce->constants_table, p) {
            ZEND_ASSERT(p->key != NULL);
            zend_accel_store_interned_string(p->key);
            zend_persist_class_constant(&p->val);
        } ZEND_HASH_FOREACH_END();
        HT_FLAGS(&ce->constants_table) &= (HASH_FLAG_UNINITIALIZED | HASH_FLAG_STATIC_KEYS);
 
        zend_hash_persist(&ce->properties_info);
        ZEND_HASH_MAP_FOREACH_BUCKET(&ce->properties_info, p) {
            zend_property_info *prop = Z_PTR(p->val);
            ZEND_ASSERT(p->key != NULL);
            zend_accel_store_interned_string(p->key);
            if (prop->ce == orig_ce) {
                Z_PTR(p->val) = zend_persist_property_info(prop);
            } else {
                prop = zend_shared_alloc_get_xlat_entry(prop);
                if (prop) {
                    Z_PTR(p->val) = prop;
                } else {
                    /* This can happen if preloading is used and we inherit a property from an
                     * internal class. In that case we should keep pointing to the internal
                     * property, without any adjustments. */
                }
            }
        } ZEND_HASH_FOREACH_END();
        HT_FLAGS(&ce->properties_info) &= (HASH_FLAG_UNINITIALIZED | HASH_FLAG_STATIC_KEYS);
 
        if (ce->properties_info_table) {
            int i;
 
            size_t size = sizeof(zend_property_info *) * ce->default_properties_count;
            ZEND_ASSERT(ce->ce_flags & ZEND_ACC_LINKED);
            ce->properties_info_table = zend_shared_memdup(
                ce->properties_info_table, size);
 
            for (i = 0; i < ce->default_properties_count; i++) {
                if (ce->properties_info_table[i]) {
                    zend_property_info *prop_info = zend_shared_alloc_get_xlat_entry(
                        ce->properties_info_table[i]);
                    if (prop_info) {
                        ce->properties_info_table[i] = prop_info;
                    }
                }
            }
        }
 
        if (ce->iterator_funcs_ptr) {
            ce->iterator_funcs_ptr = zend_shared_memdup(ce->iterator_funcs_ptr, sizeof(zend_class_iterator_funcs));
        }
        if (ce->arrayaccess_funcs_ptr) {
            ce->arrayaccess_funcs_ptr = zend_shared_memdup(ce->arrayaccess_funcs_ptr, sizeof(zend_class_arrayaccess_funcs));
        }
 
        if (ce->ce_flags & ZEND_ACC_CACHED) {
            return ce;
        }
 
        ce->ce_flags |= ZEND_ACC_CACHED;
 
        if (ce->info.user.filename) {
            zend_accel_store_string(ce->info.user.filename);
        }
 
        if (ce->doc_comment) {
            if (ZCG(accel_directives).save_comments) {
                zend_accel_store_interned_string(ce->doc_comment);
            } else {
                if (!zend_shared_alloc_get_xlat_entry(ce->doc_comment)) {
                    zend_shared_alloc_register_xlat_entry(ce->doc_comment, ce->doc_comment);
                    zend_string_release_ex(ce->doc_comment, 0);
                }
                ce->doc_comment = NULL;
            }
        }
 
        if (ce->attributes) {
            ce->attributes = zend_persist_attributes(ce->attributes);
        }
 
        if (ce->num_interfaces && !(ce->ce_flags & ZEND_ACC_LINKED)) {
            uint32_t i = 0;
 
            for (i = 0; i < ce->num_interfaces; i++) {
                zend_accel_store_interned_string(ce->interface_names[i].name);
                zend_accel_store_interned_string(ce->interface_names[i].lc_name);
            }
            ce->interface_names = zend_shared_memdup_free(ce->interface_names, sizeof(zend_class_name) * ce->num_interfaces);
        }
 
        if (ce->num_traits) {
            uint32_t i = 0;
 
            for (i = 0; i < ce->num_traits; i++) {
                zend_accel_store_interned_string(ce->trait_names[i].name);
                zend_accel_store_interned_string(ce->trait_names[i].lc_name);
            }
            ce->trait_names = zend_shared_memdup_free(ce->trait_names, sizeof(zend_class_name) * ce->num_traits);
 
            i = 0;
            if (ce->trait_aliases) {
                while (ce->trait_aliases[i]) {
                    if (ce->trait_aliases[i]->trait_method.method_name) {
                        zend_accel_store_interned_string(ce->trait_aliases[i]->trait_method.method_name);
                    }
                    if (ce->trait_aliases[i]->trait_method.class_name) {
                        zend_accel_store_interned_string(ce->trait_aliases[i]->trait_method.class_name);
                    }
 
                    if (ce->trait_aliases[i]->alias) {
                        zend_accel_store_interned_string(ce->trait_aliases[i]->alias);
                    }
 
                    ce->trait_aliases[i] = zend_shared_memdup_free(ce->trait_aliases[i], sizeof(zend_trait_alias));
                    i++;
                }
 
                ce->trait_aliases = zend_shared_memdup_free(ce->trait_aliases, sizeof(zend_trait_alias*) * (i + 1));
            }
 
            if (ce->trait_precedences) {
                uint32_t j;
 
                i = 0;
                while (ce->trait_precedences[i]) {
                    zend_accel_store_interned_string(ce->trait_precedences[i]->trait_method.method_name);
                    zend_accel_store_interned_string(ce->trait_precedences[i]->trait_method.class_name);
 
                    for (j = 0; j < ce->trait_precedences[i]->num_excludes; j++) {
                        zend_accel_store_interned_string(ce->trait_precedences[i]->exclude_class_names[j]);
                    }
 
                    ce->trait_precedences[i] = zend_shared_memdup_free(ce->trait_precedences[i], sizeof(zend_trait_precedence) + (ce->trait_precedences[i]->num_excludes - 1) * sizeof(zend_string*));
                    i++;
                }
                ce->trait_precedences = zend_shared_memdup_free(
                    ce->trait_precedences, sizeof(zend_trait_precedence*) * (i + 1));
            }
        }
 
        ZEND_ASSERT(ce->backed_enum_table == NULL);
    }
 
    return ce;
}
 
void zend_update_parent_ce(zend_class_entry *ce)
{
    if (ce->ce_flags & ZEND_ACC_LINKED) {
        if (ce->parent) {
            int i, end;
            zend_class_entry *parent = ce->parent;
 
            if (parent->type == ZEND_USER_CLASS) {
                zend_class_entry *p = zend_shared_alloc_get_xlat_entry(parent);
 
                if (p) {
                    ce->parent = parent = p;
                }
            }
 
            /* Create indirections to static properties from parent classes */
            i = parent->default_static_members_count - 1;
            while (parent && parent->default_static_members_table) {
                end = parent->parent ? parent->parent->default_static_members_count : 0;
                for (; i >= end; i--) {
                    zval *p = &ce->default_static_members_table[i];
                    /* The static property may have been overridden by a trait
                     * during inheritance. In that case, the property default
                     * value is replaced by zend_declare_typed_property() at the
                     * property index of the parent property. Make sure we only
                     * point to the parent property value if the child value was
                     * already indirect. */
                    if (Z_TYPE_P(p) == IS_INDIRECT) {
                        ZVAL_INDIRECT(p, &parent->default_static_members_table[i]);
                    }
                }
 
                parent = parent->parent;
            }
        }
 
        if (ce->num_interfaces) {
            uint32_t i = 0;
 
            ce->interfaces = zend_shared_memdup_free(ce->interfaces, sizeof(zend_class_entry*) * ce->num_interfaces);
            for (i = 0; i < ce->num_interfaces; i++) {
                if (ce->interfaces[i]->type == ZEND_USER_CLASS) {
                    zend_class_entry *tmp = zend_shared_alloc_get_xlat_entry(ce->interfaces[i]);
                    if (tmp != NULL) {
                        ce->interfaces[i] = tmp;
                    }
                }
            }
        }
 
        if (ce->iterator_funcs_ptr) {
            memset(ce->iterator_funcs_ptr, 0, sizeof(zend_class_iterator_funcs));
            if (zend_class_implements_interface(ce, zend_ce_aggregate)) {
                ce->iterator_funcs_ptr->zf_new_iterator = zend_hash_str_find_ptr(&ce->function_table, "getiterator", sizeof("getiterator") - 1);
            }
            if (zend_class_implements_interface(ce, zend_ce_iterator)) {
                ce->iterator_funcs_ptr->zf_rewind = zend_hash_str_find_ptr(&ce->function_table, "rewind", sizeof("rewind") - 1);
                ce->iterator_funcs_ptr->zf_valid = zend_hash_str_find_ptr(&ce->function_table, "valid", sizeof("valid") - 1);
                ce->iterator_funcs_ptr->zf_key = zend_hash_find_ptr(&ce->function_table, ZSTR_KNOWN(ZEND_STR_KEY));
                ce->iterator_funcs_ptr->zf_current = zend_hash_str_find_ptr(&ce->function_table, "current", sizeof("current") - 1);
                ce->iterator_funcs_ptr->zf_next = zend_hash_str_find_ptr(&ce->function_table, "next", sizeof("next") - 1);
            }
        }
 
        if (ce->arrayaccess_funcs_ptr) {
            ZEND_ASSERT(zend_class_implements_interface(ce, zend_ce_arrayaccess));
            ce->arrayaccess_funcs_ptr->zf_offsetget = zend_hash_str_find_ptr(&ce->function_table, "offsetget", sizeof("offsetget") - 1);
            ce->arrayaccess_funcs_ptr->zf_offsetexists = zend_hash_str_find_ptr(&ce->function_table, "offsetexists", sizeof("offsetexists") - 1);
            ce->arrayaccess_funcs_ptr->zf_offsetset = zend_hash_str_find_ptr(&ce->function_table, "offsetset", sizeof("offsetset") - 1);
            ce->arrayaccess_funcs_ptr->zf_offsetunset = zend_hash_str_find_ptr(&ce->function_table, "offsetunset", sizeof("offsetunset") - 1);
        }
    }
 
    /* update methods */
    if (ce->constructor) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->constructor);
        if (tmp != NULL) {
            ce->constructor = tmp;
        }
    }
    if (ce->destructor) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->destructor);
        if (tmp != NULL) {
            ce->destructor = tmp;
        }
    }
    if (ce->clone) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->clone);
        if (tmp != NULL) {
            ce->clone = tmp;
        }
    }
    if (ce->__get) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__get);
        if (tmp != NULL) {
            ce->__get = tmp;
        }
    }
    if (ce->__set) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__set);
        if (tmp != NULL) {
            ce->__set = tmp;
        }
    }
    if (ce->__call) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__call);
        if (tmp != NULL) {
            ce->__call = tmp;
        }
    }
    if (ce->__serialize) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__serialize);
        if (tmp != NULL) {
            ce->__serialize = tmp;
        }
    }
    if (ce->__unserialize) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__unserialize);
        if (tmp != NULL) {
            ce->__unserialize = tmp;
        }
    }
    if (ce->__isset) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__isset);
        if (tmp != NULL) {
            ce->__isset = tmp;
        }
    }
    if (ce->__unset) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__unset);
        if (tmp != NULL) {
            ce->__unset = tmp;
        }
    }
    if (ce->__tostring) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__tostring);
        if (tmp != NULL) {
            ce->__tostring = tmp;
        }
    }
    if (ce->__callstatic) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__callstatic);
        if (tmp != NULL) {
            ce->__callstatic = tmp;
        }
    }
    if (ce->__debugInfo) {
        zend_function *tmp = zend_shared_alloc_get_xlat_entry(ce->__debugInfo);
        if (tmp != NULL) {
            ce->__debugInfo = tmp;
        }
    }
}
 
static void zend_accel_persist_class_table(HashTable *class_table)
{
    Bucket *p;
    zend_class_entry *ce;
#ifdef HAVE_JIT
    bool orig_jit_on = JIT_G(on);
 
    JIT_G(on) = 0;
#endif
    zend_hash_persist(class_table);
    ZEND_HASH_MAP_FOREACH_BUCKET(class_table, p) {
        ZEND_ASSERT(p->key != NULL);
        zend_accel_store_interned_string(p->key);
        Z_CE(p->val) = zend_persist_class_entry(Z_CE(p->val));
    } ZEND_HASH_FOREACH_END();
    ZEND_HASH_MAP_FOREACH_BUCKET(class_table, p) {
        if (EXPECTED(Z_TYPE(p->val) != IS_ALIAS_PTR)) {
            ce = Z_PTR(p->val);
            zend_update_parent_ce(ce);
        }
    } ZEND_HASH_FOREACH_END();
#ifdef HAVE_JIT
    JIT_G(on) = orig_jit_on;
    if (JIT_G(on) && JIT_G(opt_level) <= ZEND_JIT_LEVEL_OPT_FUNCS &&
        !ZCG(current_persistent_script)->corrupted) {
        zend_op_array *op_array;
 
        ZEND_HASH_MAP_FOREACH_BUCKET(class_table, p) {
            if (EXPECTED(Z_TYPE(p->val) != IS_ALIAS_PTR)) {
                ce = Z_PTR(p->val);
                ZEND_HASH_MAP_FOREACH_PTR(&ce->function_table, op_array) {
                    if (op_array->type == ZEND_USER_FUNCTION) {
                        if (op_array->scope == ce
                         && !(op_array->fn_flags & ZEND_ACC_ABSTRACT)
                         && !(op_array->fn_flags & ZEND_ACC_TRAIT_CLONE)) {
                            zend_jit_op_array(op_array, ZCG(current_persistent_script) ? &ZCG(current_persistent_script)->script : NULL);
                            for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) {
                                zend_jit_op_array(op_array->dynamic_func_defs[i], ZCG(current_persistent_script) ? &ZCG(current_persistent_script)->script : NULL);
                            }
                        }
                    }
                } ZEND_HASH_FOREACH_END();
            }
        } ZEND_HASH_FOREACH_END();
        ZEND_HASH_MAP_FOREACH_BUCKET(class_table, p) {
            if (EXPECTED(Z_TYPE(p->val) != IS_ALIAS_PTR)) {
                ce = Z_PTR(p->val);
                ZEND_HASH_MAP_FOREACH_PTR(&ce->function_table, op_array) {
                    if (op_array->type == ZEND_USER_FUNCTION
                     && !(op_array->fn_flags & ZEND_ACC_ABSTRACT)) {
                        if ((op_array->scope != ce
                         || (op_array->fn_flags & ZEND_ACC_TRAIT_CLONE))
                          && (JIT_G(trigger) == ZEND_JIT_ON_FIRST_EXEC
                           || JIT_G(trigger) == ZEND_JIT_ON_PROF_REQUEST
                           || JIT_G(trigger) == ZEND_JIT_ON_HOT_COUNTERS
                           || JIT_G(trigger) == ZEND_JIT_ON_HOT_TRACE)) {
                            void *jit_extension = zend_shared_alloc_get_xlat_entry(op_array->opcodes);
 
                            if (jit_extension) {
                                ZEND_SET_FUNC_INFO(op_array, jit_extension);
                            }
                        }
                    }
                } ZEND_HASH_FOREACH_END();
            }
        } ZEND_HASH_FOREACH_END();
    }
#endif
}
 
zend_error_info **zend_persist_warnings(uint32_t num_warnings, zend_error_info **warnings) {
    if (warnings) {
        warnings = zend_shared_memdup_free(warnings, num_warnings * sizeof(zend_error_info *));
        for (uint32_t i = 0; i < num_warnings; i++) {
            warnings[i] = zend_shared_memdup_free(warnings[i], sizeof(zend_error_info));
            zend_accel_store_string(warnings[i]->filename);
            zend_accel_store_string(warnings[i]->message);
        }
    }
    return warnings;
}
 
static zend_early_binding *zend_persist_early_bindings(
        uint32_t num_early_bindings, zend_early_binding *early_bindings) {
    if (early_bindings) {
        early_bindings = zend_shared_memdup_free(
            early_bindings, num_early_bindings * sizeof(zend_early_binding));
        for (uint32_t i = 0; i < num_early_bindings; i++) {
            zend_accel_store_interned_string(early_bindings[i].lcname);
            zend_accel_store_interned_string(early_bindings[i].rtd_key);
            zend_accel_store_interned_string(early_bindings[i].lc_parent_name);
        }
    }
    return early_bindings;
}
 
zend_persistent_script *zend_accel_script_persist(zend_persistent_script *script, int for_shm)
{
    Bucket *p;
 
    script->mem = ZCG(mem);
 
    ZEND_ASSERT(((uintptr_t)ZCG(mem) & 0x7) == 0); /* should be 8 byte aligned */
 
    script = zend_shared_memdup_free(script, sizeof(zend_persistent_script));
    script->corrupted = false;
    ZCG(current_persistent_script) = script;
 
    if (!for_shm) {
        /* script is not going to be saved in SHM */
        script->corrupted = true;
    }
 
    zend_accel_store_interned_string(script->script.filename);
 
#if defined(__AVX__) || defined(__SSE2__)
    /* Align to 64-byte boundary */
    ZCG(mem) = (void*)(((uintptr_t)ZCG(mem) + 63L) & ~63L);
#else
    ZEND_ASSERT(((uintptr_t)ZCG(mem) & 0x7) == 0); /* should be 8 byte aligned */
#endif
 
#ifdef HAVE_JIT
    if (JIT_G(on) && for_shm) {
        zend_jit_unprotect();
    }
#endif
 
    zend_map_ptr_extend(ZCSG(map_ptr_last));
 
    zend_accel_persist_class_table(&script->script.class_table);
    zend_hash_persist(&script->script.function_table);
    ZEND_HASH_MAP_FOREACH_BUCKET(&script->script.function_table, p) {
        ZEND_ASSERT(p->key != NULL);
        zend_accel_store_interned_string(p->key);
        zend_persist_op_array(&p->val);
    } ZEND_HASH_FOREACH_END();
    zend_persist_op_array_ex(&script->script.main_op_array, script);
    if (!script->corrupted) {
        ZEND_MAP_PTR_INIT(script->script.main_op_array.run_time_cache, NULL);
        if (script->script.main_op_array.static_variables) {
            ZEND_MAP_PTR_NEW(script->script.main_op_array.static_variables_ptr);
        }
#ifdef HAVE_JIT
        if (JIT_G(on) && JIT_G(opt_level) <= ZEND_JIT_LEVEL_OPT_FUNCS) {
            zend_jit_op_array(&script->script.main_op_array, &script->script);
        }
#endif
    }
    script->warnings = zend_persist_warnings(script->num_warnings, script->warnings);
    script->early_bindings = zend_persist_early_bindings(
        script->num_early_bindings, script->early_bindings);
 
    if (for_shm) {
        ZCSG(map_ptr_last) = CG(map_ptr_last);
        ZCSG(map_ptr_static_last) = zend_map_ptr_static_last;
    }
 
#ifdef HAVE_JIT
    if (JIT_G(on) && for_shm) {
        if (JIT_G(opt_level) >= ZEND_JIT_LEVEL_OPT_SCRIPT) {
            zend_jit_script(&script->script);
        }
        zend_jit_protect();
    }
#endif
 
    script->corrupted = false;
    ZCG(current_persistent_script) = NULL;
 
    return script;
}