zend_file_cache.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: Dmitry Stogov <dmitry@php.net>                              |
   +----------------------------------------------------------------------+
*/
 
#include "zend.h"
#include "zend_virtual_cwd.h"
#include "zend_compile.h"
#include "zend_vm.h"
#include "zend_interfaces.h"
#include "zend_attributes.h"
#include "zend_system_id.h"
#include "zend_enum.h"
 
#include "php.h"
#ifdef ZEND_WIN32
#include "ext/standard/md5.h"
#endif
#include "ext/standard/php_filestat.h"
 
#include "ZendAccelerator.h"
#include "zend_file_cache.h"
#include "zend_shared_alloc.h"
#include "zend_accelerator_util_funcs.h"
#include "zend_accelerator_hash.h"
 
#ifdef HAVE_JIT
#include "jit/zend_jit.h"
#endif
 
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
 
#ifdef HAVE_SYS_UIO_H
# include <sys/uio.h>
#endif
 
#ifdef HAVE_SYS_FILE_H
# include <sys/file.h>
#endif
 
#if __has_feature(memory_sanitizer)
# include <sanitizer/msan_interface.h>
#endif
 
#ifndef ZEND_WIN32
#define zend_file_cache_unlink unlink
#define zend_file_cache_open open
#else
#define zend_file_cache_unlink php_win32_ioutil_unlink
#define zend_file_cache_open php_win32_ioutil_open
#endif
 
#ifdef ZEND_WIN32
# define LOCK_SH 0
# define LOCK_EX 1
# define LOCK_UN 2
static int zend_file_cache_flock(int fd, int op)
{
    OVERLAPPED offset = {0,0,0,0,NULL};
    if (op == LOCK_EX) {
        if (LockFileEx((HANDLE)_get_osfhandle(fd),
                       LOCKFILE_EXCLUSIVE_LOCK, 0, 1, 0, &offset) == TRUE) {
            return 0;
        }
    } else if (op == LOCK_SH) {
        if (LockFileEx((HANDLE)_get_osfhandle(fd),
                       0, 0, 1, 0, &offset) == TRUE) {
            return 0;
        }
    } else if (op == LOCK_UN) {
        if (UnlockFileEx((HANDLE)_get_osfhandle(fd),
                         0, 1, 0, &offset) == TRUE) {
            return 0;
        }
    }
    return -1;
}
#elif defined(HAVE_FLOCK)
# define zend_file_cache_flock flock
#else
# define LOCK_SH 0
# define LOCK_EX 1
# define LOCK_UN 2
static int zend_file_cache_flock(int fd, int type)
{
    return 0;
}
#endif
 
#ifndef O_BINARY
#  define O_BINARY 0
#endif
 
#define SUFFIX ".bin"
 
#define IS_SERIALIZED_INTERNED(ptr) \
    ((size_t)(ptr) & Z_UL(1))
 
/* Allowing == on the upper bound accounts for a potential empty allocation at the end of the
 * memory region. This can also happen for a return-type-only arg_info, where &arg_info[1] is
 * stored, which may point to the end of the region. */
#define IS_SERIALIZED(ptr) \
    ((char*)(ptr) <= (char*)script->size)
#define IS_UNSERIALIZED(ptr) \
    (((char*)(ptr) >= (char*)script->mem && (char*)(ptr) <= (char*)script->mem + script->size) || \
     IS_ACCEL_INTERNED(ptr))
#define SERIALIZE_PTR(ptr) do { \
        if (ptr) { \
            ZEND_ASSERT(IS_UNSERIALIZED(ptr)); \
            (ptr) = (void*)((char*)(ptr) - (char*)script->mem); \
        } \
    } while (0)
#define UNSERIALIZE_PTR(ptr) do { \
        if (ptr) { \
            ZEND_ASSERT(IS_SERIALIZED(ptr)); \
            (ptr) = (void*)((char*)buf + (size_t)(ptr)); \
        } \
    } while (0)
#define SERIALIZE_STR(ptr) do { \
        if (ptr) { \
            if (IS_ACCEL_INTERNED(ptr)) { \
                (ptr) = zend_file_cache_serialize_interned((zend_string*)(ptr), info); \
            } else { \
                ZEND_ASSERT(IS_UNSERIALIZED(ptr)); \
                /* script->corrupted shows if the script in SHM or not */ \
                if (EXPECTED(script->corrupted)) { \
                    GC_ADD_FLAGS(ptr, IS_STR_INTERNED); \
                    GC_DEL_FLAGS(ptr, IS_STR_PERMANENT); \
                } \
                (ptr) = (void*)((char*)(ptr) - (char*)script->mem); \
            } \
        } \
    } while (0)
#define UNSERIALIZE_STR(ptr) do { \
        if (ptr) { \
            if (IS_SERIALIZED_INTERNED(ptr)) { \
                (ptr) = (void*)zend_file_cache_unserialize_interned((zend_string*)(ptr), !script->corrupted); \
            } else { \
                ZEND_ASSERT(IS_SERIALIZED(ptr)); \
                (ptr) = (void*)((char*)buf + (size_t)(ptr)); \
                /* script->corrupted shows if the script in SHM or not */ \
                if (EXPECTED(!script->corrupted)) { \
                    GC_ADD_FLAGS(ptr, IS_STR_INTERNED | IS_STR_PERMANENT); \
                } else { \
                    GC_ADD_FLAGS(ptr, IS_STR_INTERNED); \
                    GC_DEL_FLAGS(ptr, IS_STR_PERMANENT); \
                } \
            } \
        } \
    } while (0)
 
#define SERIALIZE_ATTRIBUTES(attributes) do { \
    if ((attributes) && !IS_SERIALIZED(attributes)) { \
        HashTable *ht; \
        SERIALIZE_PTR(attributes); \
        ht = (attributes); \
        UNSERIALIZE_PTR(ht); \
        zend_file_cache_serialize_hash(ht, script, info, buf, zend_file_cache_serialize_attribute); \
    } \
} while (0)
 
#define UNSERIALIZE_ATTRIBUTES(attributes) do { \
    if ((attributes) && !IS_UNSERIALIZED(attributes)) { \
        HashTable *ht; \
        UNSERIALIZE_PTR(attributes); \
        ht = (attributes); \
        zend_file_cache_unserialize_hash(ht, script, buf, zend_file_cache_unserialize_attribute, NULL); \
    } \
} while (0)
 
#define HOOKED_ITERATOR_PLACEHOLDER ((void*)1)
 
static const uint32_t uninitialized_bucket[-HT_MIN_MASK] =
    {HT_INVALID_IDX, HT_INVALID_IDX};
 
typedef struct _zend_file_cache_metainfo {
    char         magic[8];
    char         system_id[32];
    size_t       mem_size;
    size_t       str_size;
    size_t       script_offset;
    accel_time_t timestamp;
    uint32_t     checksum;
} zend_file_cache_metainfo;
 
static int zend_file_cache_mkdir(char *filename, size_t start)
{
    char *s = filename + start;
 
    while (*s) {
        if (IS_SLASH(*s)) {
            char old = *s;
            *s = '\000';
#ifndef ZEND_WIN32
            if (mkdir(filename, S_IRWXU) < 0 && errno != EEXIST) {
#else
            if (php_win32_ioutil_mkdir(filename, 0700) < 0 && errno != EEXIST) {
#endif
                *s = old;
                return FAILURE;
            }
            *s = old;
        }
        s++;
    }
    return SUCCESS;
}
 
typedef void (*serialize_callback_t)(zval                     *zv,
                                     zend_persistent_script   *script,
                                     zend_file_cache_metainfo *info,
                                     void                     *buf);
 
typedef void (*unserialize_callback_t)(zval                    *zv,
                                       zend_persistent_script  *script,
                                       void                    *buf);
 
static void zend_file_cache_serialize_zval(zval                     *zv,
                                           zend_persistent_script   *script,
                                           zend_file_cache_metainfo *info,
                                           void                     *buf);
static void zend_file_cache_unserialize_zval(zval                    *zv,
                                             zend_persistent_script  *script,
                                             void                    *buf);
 
static void *zend_file_cache_serialize_interned(zend_string              *str,
                                                zend_file_cache_metainfo *info)
{
    size_t len;
    void *ret;
 
    /* check if the same interned string was already stored */
    ret = zend_shared_alloc_get_xlat_entry(str);
    if (ret) {
        return ret;
    }
 
    len = ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(ZSTR_LEN(str)));
    ret = (void*)(info->str_size | Z_UL(1));
    zend_shared_alloc_register_xlat_entry(str, ret);
 
    zend_string *s = (zend_string*)ZCG(mem);
    if (info->str_size + len > ZSTR_LEN(s)) {
        size_t new_len = info->str_size + len;
        s = zend_string_realloc(
            s,
            ((_ZSTR_HEADER_SIZE + 1 + new_len + 4095) & ~0xfff) - (_ZSTR_HEADER_SIZE + 1),
            0);
        ZCG(mem) = (void*)s;
    }
 
    zend_string *new_str = (zend_string *) (ZSTR_VAL(s) + info->str_size);
    memcpy(new_str, str, len);
    GC_ADD_FLAGS(new_str, IS_STR_INTERNED);
    GC_DEL_FLAGS(new_str, IS_STR_PERMANENT|IS_STR_CLASS_NAME_MAP_PTR);
    info->str_size += len;
    return ret;
}
 
static void *zend_file_cache_unserialize_interned(zend_string *str, bool in_shm)
{
    str = (zend_string*)((char*)ZCG(mem) + ((size_t)(str) & ~Z_UL(1)));
    if (!in_shm) {
        return str;
    }
 
    zend_string *ret = accel_new_interned_string(str);
    if (ret == str) {
        /* We have to create new SHM allocated string */
        size_t size = _ZSTR_STRUCT_SIZE(ZSTR_LEN(str));
        ret = zend_shared_alloc(size);
        if (!ret) {
            zend_accel_schedule_restart_if_necessary(ACCEL_RESTART_OOM);
            LONGJMP(*EG(bailout), FAILURE);
        }
        memcpy(ret, str, size);
        /* String wasn't interned but we will use it as interned anyway */
        GC_SET_REFCOUNT(ret, 1);
        GC_TYPE_INFO(ret) = GC_STRING | ((IS_STR_INTERNED | IS_STR_PERSISTENT | IS_STR_PERMANENT) << GC_FLAGS_SHIFT);
    }
    return ret;
}
 
static void zend_file_cache_serialize_hash(HashTable                *ht,
                                           zend_persistent_script   *script,
                                           zend_file_cache_metainfo *info,
                                           void                     *buf,
                                           serialize_callback_t      func)
{
    if (HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED) {
        ht->arData = NULL;
        return;
    }
    if (IS_SERIALIZED(ht->arData)) {
        return;
    }
    if (HT_IS_PACKED(ht)) {
        zval *p, *end;
 
        SERIALIZE_PTR(ht->arPacked);
        p = ht->arPacked;
        UNSERIALIZE_PTR(p);
        end = p + ht->nNumUsed;
        while (p < end) {
            if (Z_TYPE_P(p) != IS_UNDEF) {
                func(p, script, info, buf);
            }
            p++;
        }
    } else {
        Bucket *p, *end;
 
        SERIALIZE_PTR(ht->arData);
        p = ht->arData;
        UNSERIALIZE_PTR(p);
        end = p + ht->nNumUsed;
        while (p < end) {
            if (Z_TYPE(p->val) != IS_UNDEF) {
                SERIALIZE_STR(p->key);
                func(&p->val, script, info, buf);
            }
            p++;
        }
    }
}
 
static void zend_file_cache_serialize_ast(zend_ast                 *ast,
                                          zend_persistent_script   *script,
                                          zend_file_cache_metainfo *info,
                                          void                     *buf)
{
    uint32_t i;
    zend_ast *tmp;
 
    if (ast->kind == ZEND_AST_ZVAL || ast->kind == ZEND_AST_CONSTANT) {
        zend_file_cache_serialize_zval(&((zend_ast_zval*)ast)->val, script, info, buf);
    } else if (zend_ast_is_list(ast)) {
        zend_ast_list *list = zend_ast_get_list(ast);
        for (i = 0; i < list->children; i++) {
            if (list->child[i] && !IS_SERIALIZED(list->child[i])) {
                SERIALIZE_PTR(list->child[i]);
                tmp = list->child[i];
                UNSERIALIZE_PTR(tmp);
                zend_file_cache_serialize_ast(tmp, script, info, buf);
            }
        }
    } else {
        uint32_t children = zend_ast_get_num_children(ast);
        for (i = 0; i < children; i++) {
            if (ast->child[i] && !IS_SERIALIZED(ast->child[i])) {
                SERIALIZE_PTR(ast->child[i]);
                tmp = ast->child[i];
                UNSERIALIZE_PTR(tmp);
                zend_file_cache_serialize_ast(tmp, script, info, buf);
            }
        }
    }
}
 
static void zend_file_cache_serialize_zval(zval                     *zv,
                                           zend_persistent_script   *script,
                                           zend_file_cache_metainfo *info,
                                           void                     *buf)
{
    switch (Z_TYPE_P(zv)) {
        case IS_STRING:
            if (!IS_SERIALIZED(Z_STR_P(zv))) {
                SERIALIZE_STR(Z_STR_P(zv));
            }
            break;
        case IS_ARRAY:
            if (!IS_SERIALIZED(Z_ARR_P(zv))) {
                HashTable *ht;
 
                SERIALIZE_PTR(Z_ARR_P(zv));
                ht = Z_ARR_P(zv);
                UNSERIALIZE_PTR(ht);
                zend_file_cache_serialize_hash(ht, script, info, buf, zend_file_cache_serialize_zval);
            }
            break;
        case IS_CONSTANT_AST:
            if (!IS_SERIALIZED(Z_AST_P(zv))) {
                zend_ast_ref *ast;
 
                SERIALIZE_PTR(Z_AST_P(zv));
                ast = Z_AST_P(zv);
                UNSERIALIZE_PTR(ast);
                zend_file_cache_serialize_ast(GC_AST(ast), script, info, buf);
            }
            break;
        case IS_INDIRECT:
            /* Used by static properties. */
            SERIALIZE_PTR(Z_INDIRECT_P(zv));
            break;
        default:
            ZEND_ASSERT(Z_TYPE_P(zv) < IS_STRING);
            break;
    }
}
 
static void zend_file_cache_serialize_attribute(zval                     *zv,
                                                zend_persistent_script   *script,
                                                zend_file_cache_metainfo *info,
                                                void                     *buf)
{
    zend_attribute *attr = Z_PTR_P(zv);
    uint32_t i;
 
    SERIALIZE_PTR(Z_PTR_P(zv));
    attr = Z_PTR_P(zv);
    UNSERIALIZE_PTR(attr);
 
    SERIALIZE_STR(attr->name);
    SERIALIZE_STR(attr->lcname);
 
    for (i = 0; i < attr->argc; i++) {
        SERIALIZE_STR(attr->args[i].name);
        zend_file_cache_serialize_zval(&attr->args[i].value, script, info, buf);
    }
}
 
static void zend_file_cache_serialize_type(
        zend_type *type, zend_persistent_script *script, zend_file_cache_metainfo *info, void *buf)
{
    if (ZEND_TYPE_HAS_LIST(*type)) {
        zend_type_list *list = ZEND_TYPE_LIST(*type);
        SERIALIZE_PTR(list);
        ZEND_TYPE_SET_PTR(*type, list);
        UNSERIALIZE_PTR(list);
 
        zend_type *list_type;
        ZEND_TYPE_LIST_FOREACH(list, list_type) {
            zend_file_cache_serialize_type(list_type, script, info, buf);
        } ZEND_TYPE_LIST_FOREACH_END();
    } else if (ZEND_TYPE_HAS_NAME(*type)) {
        zend_string *type_name = ZEND_TYPE_NAME(*type);
        SERIALIZE_STR(type_name);
        ZEND_TYPE_SET_PTR(*type, type_name);
    }
}
 
static void zend_file_cache_serialize_op_array(zend_op_array            *op_array,
                                               zend_persistent_script   *script,
                                               zend_file_cache_metainfo *info,
                                               void                     *buf)
{
    ZEND_MAP_PTR_INIT(op_array->static_variables_ptr, NULL);
    ZEND_MAP_PTR_INIT(op_array->run_time_cache, NULL);
 
    /* Check whether this op_array has already been serialized. */
    if (IS_SERIALIZED(op_array->opcodes)) {
        ZEND_ASSERT(op_array->scope && "Only method op_arrays should be shared");
        return;
    }
 
    if (op_array->scope) {
        if (UNEXPECTED(zend_shared_alloc_get_xlat_entry(op_array->opcodes))) {
            op_array->refcount = (uint32_t*)(intptr_t)-1;
            SERIALIZE_PTR(op_array->static_variables);
            SERIALIZE_PTR(op_array->literals);
            SERIALIZE_PTR(op_array->opcodes);
            SERIALIZE_PTR(op_array->arg_info);
            SERIALIZE_PTR(op_array->vars);
            SERIALIZE_STR(op_array->function_name);
            SERIALIZE_STR(op_array->filename);
            SERIALIZE_PTR(op_array->live_range);
            SERIALIZE_PTR(op_array->scope);
            SERIALIZE_STR(op_array->doc_comment);
            SERIALIZE_ATTRIBUTES(op_array->attributes);
            SERIALIZE_PTR(op_array->try_catch_array);
            SERIALIZE_PTR(op_array->prototype);
            SERIALIZE_PTR(op_array->prop_info);
            return;
        }
        zend_shared_alloc_register_xlat_entry(op_array->opcodes, op_array->opcodes);
    }
 
    if (op_array->static_variables) {
        HashTable *ht;
 
        SERIALIZE_PTR(op_array->static_variables);
        ht = op_array->static_variables;
        UNSERIALIZE_PTR(ht);
        zend_file_cache_serialize_hash(ht, script, info, buf, zend_file_cache_serialize_zval);
    }
 
    if (op_array->literals) {
        zval *p, *end;
 
        SERIALIZE_PTR(op_array->literals);
        p = op_array->literals;
        UNSERIALIZE_PTR(p);
        end = p + op_array->last_literal;
        while (p < end) {
            zend_file_cache_serialize_zval(p, script, info, buf);
            p++;
        }
    }
 
    {
        zend_op *opline, *end;
 
#if !ZEND_USE_ABS_CONST_ADDR
        zval *literals = op_array->literals;
        UNSERIALIZE_PTR(literals);
#endif
 
        SERIALIZE_PTR(op_array->opcodes);
        opline = op_array->opcodes;
        UNSERIALIZE_PTR(opline);
        end = opline + op_array->last;
        while (opline < end) {
#if ZEND_USE_ABS_CONST_ADDR
            if (opline->op1_type == IS_CONST) {
                SERIALIZE_PTR(opline->op1.zv);
            }
            if (opline->op2_type == IS_CONST) {
                SERIALIZE_PTR(opline->op2.zv);
            }
#else
            if (opline->op1_type == IS_CONST) {
                opline->op1.constant = RT_CONSTANT(opline, opline->op1) - literals;
            }
            if (opline->op2_type == IS_CONST) {
                opline->op2.constant = RT_CONSTANT(opline, opline->op2) - literals;
            }
#endif
#if ZEND_USE_ABS_JMP_ADDR
            switch (opline->opcode) {
                case ZEND_JMP:
                case ZEND_FAST_CALL:
                    SERIALIZE_PTR(opline->op1.jmp_addr);
                    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:
                    SERIALIZE_PTR(opline->op2.jmp_addr);
                    break;
                case ZEND_CATCH:
                    if (!(opline->extended_value & ZEND_LAST_CATCH)) {
                        SERIALIZE_PTR(opline->op2.jmp_addr);
                    }
                    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
            zend_serialize_opcode_handler(opline);
            opline++;
        }
 
        if (op_array->arg_info) {
            zend_arg_info *p, *end;
            SERIALIZE_PTR(op_array->arg_info);
            p = op_array->arg_info;
            UNSERIALIZE_PTR(p);
            end = p + op_array->num_args;
            if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
                p--;
            }
            if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
                end++;
            }
            while (p < end) {
                if (!IS_SERIALIZED(p->name)) {
                    SERIALIZE_STR(p->name);
                }
                zend_file_cache_serialize_type(&p->type, script, info, buf);
                p++;
            }
        }
 
        if (op_array->vars) {
            zend_string **p, **end;
 
            SERIALIZE_PTR(op_array->vars);
            p = op_array->vars;
            UNSERIALIZE_PTR(p);
            end = p + op_array->last_var;
            while (p < end) {
                if (!IS_SERIALIZED(*p)) {
                    SERIALIZE_STR(*p);
                }
                p++;
            }
        }
 
        if (op_array->num_dynamic_func_defs) {
            zend_op_array **defs;
            SERIALIZE_PTR(op_array->dynamic_func_defs);
            defs = op_array->dynamic_func_defs;
            UNSERIALIZE_PTR(defs);
            for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) {
                zend_op_array *def;
                SERIALIZE_PTR(defs[i]);
                def = defs[i];
                UNSERIALIZE_PTR(def);
                zend_file_cache_serialize_op_array(def, script, info, buf);
            }
        }
 
        SERIALIZE_STR(op_array->function_name);
        SERIALIZE_STR(op_array->filename);
        SERIALIZE_PTR(op_array->live_range);
        SERIALIZE_PTR(op_array->scope);
        SERIALIZE_STR(op_array->doc_comment);
        SERIALIZE_ATTRIBUTES(op_array->attributes);
        SERIALIZE_PTR(op_array->try_catch_array);
        SERIALIZE_PTR(op_array->prototype);
        SERIALIZE_PTR(op_array->prop_info);
    }
}
 
static void zend_file_cache_serialize_func(zval                     *zv,
                                           zend_persistent_script   *script,
                                           zend_file_cache_metainfo *info,
                                           void                     *buf)
{
    zend_function *func;
    SERIALIZE_PTR(Z_PTR_P(zv));
    func = Z_PTR_P(zv);
    UNSERIALIZE_PTR(func);
    ZEND_ASSERT(func->type == ZEND_USER_FUNCTION);
    zend_file_cache_serialize_op_array(&func->op_array, script, info, buf);
}
 
static void zend_file_cache_serialize_prop_info(zval                     *zv,
                                                zend_persistent_script   *script,
                                                zend_file_cache_metainfo *info,
                                                void                     *buf)
{
    if (!IS_SERIALIZED(Z_PTR_P(zv))) {
        zend_property_info *prop;
 
        SERIALIZE_PTR(Z_PTR_P(zv));
        prop = Z_PTR_P(zv);
        UNSERIALIZE_PTR(prop);
 
        ZEND_ASSERT(prop->ce != NULL && prop->name != NULL);
        if (!IS_SERIALIZED(prop->ce)) {
            SERIALIZE_PTR(prop->ce);
            SERIALIZE_STR(prop->name);
            if (prop->doc_comment) {
                SERIALIZE_STR(prop->doc_comment);
            }
            SERIALIZE_ATTRIBUTES(prop->attributes);
            SERIALIZE_PTR(prop->prototype);
            if (prop->hooks) {
                SERIALIZE_PTR(prop->hooks);
                zend_function **hooks = prop->hooks;
                UNSERIALIZE_PTR(hooks);
                for (uint32_t i = 0; i < ZEND_PROPERTY_HOOK_COUNT; i++) {
                    if (hooks[i]) {
                        SERIALIZE_PTR(hooks[i]);
                        zend_function *hook = hooks[i];
                        UNSERIALIZE_PTR(hook);
                        zend_file_cache_serialize_op_array(&hook->op_array, script, info, buf);
                    }
                }
            }
            zend_file_cache_serialize_type(&prop->type, script, info, buf);
        }
    }
}
 
static void zend_file_cache_serialize_class_constant(zval                     *zv,
                                                     zend_persistent_script   *script,
                                                     zend_file_cache_metainfo *info,
                                                     void                     *buf)
{
    if (!IS_SERIALIZED(Z_PTR_P(zv))) {
        zend_class_constant *c;
 
        SERIALIZE_PTR(Z_PTR_P(zv));
        c = Z_PTR_P(zv);
        UNSERIALIZE_PTR(c);
 
        ZEND_ASSERT(c->ce != NULL);
        if (!IS_SERIALIZED(c->ce)) {
            SERIALIZE_PTR(c->ce);
 
            zend_file_cache_serialize_zval(&c->value, script, info, buf);
            if (c->doc_comment) {
                SERIALIZE_STR(c->doc_comment);
            }
 
            SERIALIZE_ATTRIBUTES(c->attributes);
            zend_file_cache_serialize_type(&c->type, script, info, buf);
        }
    }
}
 
static void zend_file_cache_serialize_class(zval                     *zv,
                                            zend_persistent_script   *script,
                                            zend_file_cache_metainfo *info,
                                            void                     *buf)
{
    zend_class_entry *ce;
 
    SERIALIZE_PTR(Z_PTR_P(zv));
    ce = Z_PTR_P(zv);
    UNSERIALIZE_PTR(ce);
 
    SERIALIZE_STR(ce->name);
    if (ce->parent) {
        if (!(ce->ce_flags & ZEND_ACC_LINKED)) {
            SERIALIZE_STR(ce->parent_name);
        } else {
            SERIALIZE_PTR(ce->parent);
        }
    }
    zend_file_cache_serialize_hash(&ce->function_table, script, info, buf, zend_file_cache_serialize_func);
    if (ce->default_properties_table) {
        zval *p, *end;
 
        SERIALIZE_PTR(ce->default_properties_table);
        p = ce->default_properties_table;
        UNSERIALIZE_PTR(p);
        end = p + ce->default_properties_count;
        while (p < end) {
            zend_file_cache_serialize_zval(p, script, info, buf);
            p++;
        }
    }
    if (ce->default_static_members_table) {
        zval *p, *end;
 
        SERIALIZE_PTR(ce->default_static_members_table);
        p = ce->default_static_members_table;
        UNSERIALIZE_PTR(p);
 
        end = p + ce->default_static_members_count;
        while (p < end) {
            zend_file_cache_serialize_zval(p, script, info, buf);
            p++;
        }
    }
    zend_file_cache_serialize_hash(&ce->constants_table, script, info, buf, zend_file_cache_serialize_class_constant);
    SERIALIZE_STR(ce->info.user.filename);
    SERIALIZE_STR(ce->doc_comment);
    SERIALIZE_ATTRIBUTES(ce->attributes);
    zend_file_cache_serialize_hash(&ce->properties_info, script, info, buf, zend_file_cache_serialize_prop_info);
 
    if (ce->properties_info_table) {
        uint32_t i;
        zend_property_info **table;
 
        SERIALIZE_PTR(ce->properties_info_table);
        table = ce->properties_info_table;
        UNSERIALIZE_PTR(table);
 
        for (i = 0; i < ce->default_properties_count; i++) {
            SERIALIZE_PTR(table[i]);
        }
    }
 
    if (ce->num_interfaces) {
        uint32_t i;
        zend_class_name *interface_names;
 
        ZEND_ASSERT(!(ce->ce_flags & ZEND_ACC_LINKED));
 
        SERIALIZE_PTR(ce->interface_names);
        interface_names = ce->interface_names;
        UNSERIALIZE_PTR(interface_names);
 
        for (i = 0; i < ce->num_interfaces; i++) {
            SERIALIZE_STR(interface_names[i].name);
            SERIALIZE_STR(interface_names[i].lc_name);
        }
    }
 
    if (ce->num_traits) {
        uint32_t i;
        zend_class_name *trait_names;
 
        SERIALIZE_PTR(ce->trait_names);
        trait_names = ce->trait_names;
        UNSERIALIZE_PTR(trait_names);
 
        for (i = 0; i < ce->num_traits; i++) {
            SERIALIZE_STR(trait_names[i].name);
            SERIALIZE_STR(trait_names[i].lc_name);
        }
 
        if (ce->trait_aliases) {
            zend_trait_alias **p, *q;
 
            SERIALIZE_PTR(ce->trait_aliases);
            p = ce->trait_aliases;
            UNSERIALIZE_PTR(p);
 
            while (*p) {
                SERIALIZE_PTR(*p);
                q = *p;
                UNSERIALIZE_PTR(q);
 
                if (q->trait_method.method_name) {
                    SERIALIZE_STR(q->trait_method.method_name);
                }
                if (q->trait_method.class_name) {
                    SERIALIZE_STR(q->trait_method.class_name);
                }
 
                if (q->alias) {
                    SERIALIZE_STR(q->alias);
                }
                p++;
            }
        }
 
        if (ce->trait_precedences) {
            zend_trait_precedence **p, *q;
            uint32_t j;
 
            SERIALIZE_PTR(ce->trait_precedences);
            p = ce->trait_precedences;
            UNSERIALIZE_PTR(p);
 
            while (*p) {
                SERIALIZE_PTR(*p);
                q = *p;
                UNSERIALIZE_PTR(q);
 
                if (q->trait_method.method_name) {
                    SERIALIZE_STR(q->trait_method.method_name);
                }
                if (q->trait_method.class_name) {
                    SERIALIZE_STR(q->trait_method.class_name);
                }
 
                for (j = 0; j < q->num_excludes; j++) {
                    SERIALIZE_STR(q->exclude_class_names[j]);
                }
                p++;
            }
        }
    }
 
    SERIALIZE_PTR(ce->constructor);
    SERIALIZE_PTR(ce->destructor);
    SERIALIZE_PTR(ce->clone);
    SERIALIZE_PTR(ce->__get);
    SERIALIZE_PTR(ce->__set);
    SERIALIZE_PTR(ce->__call);
    SERIALIZE_PTR(ce->__serialize);
    SERIALIZE_PTR(ce->__unserialize);
    SERIALIZE_PTR(ce->__isset);
    SERIALIZE_PTR(ce->__unset);
    SERIALIZE_PTR(ce->__tostring);
    SERIALIZE_PTR(ce->__callstatic);
    SERIALIZE_PTR(ce->__debugInfo);
 
    if (ce->iterator_funcs_ptr) {
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_new_iterator);
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_rewind);
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_valid);
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_key);
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_current);
        SERIALIZE_PTR(ce->iterator_funcs_ptr->zf_next);
        SERIALIZE_PTR(ce->iterator_funcs_ptr);
    }
 
    if (ce->arrayaccess_funcs_ptr) {
        SERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetget);
        SERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetexists);
        SERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetset);
        SERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetunset);
        SERIALIZE_PTR(ce->arrayaccess_funcs_ptr);
    }
 
    ZEND_MAP_PTR_INIT(ce->static_members_table, NULL);
    ZEND_MAP_PTR_INIT(ce->mutable_data, NULL);
 
    ce->inheritance_cache = NULL;
 
    if (ce->get_iterator) {
        ZEND_ASSERT(ce->get_iterator == zend_hooked_object_get_iterator);
        ce->get_iterator = HOOKED_ITERATOR_PLACEHOLDER;
    }
}
 
static void zend_file_cache_serialize_warnings(
        zend_persistent_script *script, zend_file_cache_metainfo *info, void *buf)
{
    if (script->warnings) {
        zend_error_info **warnings;
        SERIALIZE_PTR(script->warnings);
        warnings = script->warnings;
        UNSERIALIZE_PTR(warnings);
 
        for (uint32_t i = 0; i < script->num_warnings; i++) {
            zend_error_info *warning;
            SERIALIZE_PTR(warnings[i]);
            warning = warnings[i];
            UNSERIALIZE_PTR(warning);
            SERIALIZE_STR(warning->filename);
            SERIALIZE_STR(warning->message);
        }
    }
}
 
static void zend_file_cache_serialize_early_bindings(
        zend_persistent_script *script, zend_file_cache_metainfo *info, void *buf)
{
    if (script->early_bindings) {
        SERIALIZE_PTR(script->early_bindings);
        zend_early_binding *early_bindings = script->early_bindings;
        UNSERIALIZE_PTR(early_bindings);
        for (uint32_t i = 0; i < script->num_early_bindings; i++) {
            SERIALIZE_STR(early_bindings[i].lcname);
            SERIALIZE_STR(early_bindings[i].rtd_key);
            SERIALIZE_STR(early_bindings[i].lc_parent_name);
        }
    }
}
 
static void zend_file_cache_serialize(zend_persistent_script   *script,
                                      zend_file_cache_metainfo *info,
                                      void                     *buf)
{
    zend_persistent_script *new_script;
 
    memcpy(info->magic, "OPCACHE", 8);
    memcpy(info->system_id, zend_system_id, 32);
    info->mem_size = script->size;
    info->str_size = 0;
    info->script_offset = (char*)script - (char*)script->mem;
    info->timestamp = script->timestamp;
 
    memcpy(buf, script->mem, script->size);
 
    new_script = (zend_persistent_script*)((char*)buf + info->script_offset);
    SERIALIZE_STR(new_script->script.filename);
 
    zend_file_cache_serialize_hash(&new_script->script.class_table, script, info, buf, zend_file_cache_serialize_class);
    zend_file_cache_serialize_hash(&new_script->script.function_table, script, info, buf, zend_file_cache_serialize_func);
    zend_file_cache_serialize_op_array(&new_script->script.main_op_array, script, info, buf);
    zend_file_cache_serialize_warnings(new_script, info, buf);
    zend_file_cache_serialize_early_bindings(new_script, info, buf);
 
    new_script->mem = NULL;
}
 
static char *zend_file_cache_get_bin_file_path(zend_string *script_path)
{
    size_t len;
    char *filename;
 
#ifndef ZEND_WIN32
    len = strlen(ZCG(accel_directives).file_cache);
    filename = emalloc(len + 33 + ZSTR_LEN(script_path) + sizeof(SUFFIX));
    memcpy(filename, ZCG(accel_directives).file_cache, len);
    filename[len] = '/';
    memcpy(filename + len + 1, zend_system_id, 32);
    memcpy(filename + len + 33, ZSTR_VAL(script_path), ZSTR_LEN(script_path));
    memcpy(filename + len + 33 + ZSTR_LEN(script_path), SUFFIX, sizeof(SUFFIX));
#else
    len = strlen(ZCG(accel_directives).file_cache);
 
    filename = emalloc(len + 33 + 33 + ZSTR_LEN(script_path) + sizeof(SUFFIX));
 
    memcpy(filename, ZCG(accel_directives).file_cache, len);
    filename[len] = '\\';
    memcpy(filename + 1 + len, accel_uname_id, 32);
    len += 1 + 32;
    filename[len] = '\\';
 
    memcpy(filename + len + 1, zend_system_id, 32);
 
    if (ZSTR_LEN(script_path) >= 7 && ':' == ZSTR_VAL(script_path)[4] && '/' == ZSTR_VAL(script_path)[5]  && '/' == ZSTR_VAL(script_path)[6]) {
        /* phar:// or file:// */
        *(filename + len + 33) = '\\';
        memcpy(filename + len + 34, ZSTR_VAL(script_path), 4);
        if (ZSTR_LEN(script_path) - 7 >= 2 && ':' == ZSTR_VAL(script_path)[8]) {
            *(filename + len + 38) = '\\';
            *(filename + len + 39) = ZSTR_VAL(script_path)[7];
            memcpy(filename + len + 40, ZSTR_VAL(script_path) + 9, ZSTR_LEN(script_path) - 9);
            memcpy(filename + len + 40 + ZSTR_LEN(script_path) - 9, SUFFIX, sizeof(SUFFIX));
        } else {
            memcpy(filename + len + 38, ZSTR_VAL(script_path) + 7, ZSTR_LEN(script_path) - 7);
            memcpy(filename + len + 38 + ZSTR_LEN(script_path) - 7, SUFFIX, sizeof(SUFFIX));
        }
    } else if (ZSTR_LEN(script_path) >= 2 && ':' == ZSTR_VAL(script_path)[1]) {
        /* local fs */
        *(filename + len + 33) = '\\';
        *(filename + len + 34) = ZSTR_VAL(script_path)[0];
        memcpy(filename + len + 35, ZSTR_VAL(script_path) + 2, ZSTR_LEN(script_path) - 2);
        memcpy(filename + len + 35 + ZSTR_LEN(script_path) - 2, SUFFIX, sizeof(SUFFIX));
    } else {
        /* network path */
        memcpy(filename + len + 33, ZSTR_VAL(script_path), ZSTR_LEN(script_path));
        memcpy(filename + len + 33 + ZSTR_LEN(script_path), SUFFIX, sizeof(SUFFIX));
    }
#endif
 
    return filename;
}

static bool zend_file_cache_script_write(int fd, const zend_persistent_script *script, const zend_file_cache_metainfo *info, const void *buf, const zend_string *s)
{
    ssize_t written;
    const ssize_t total_size = (ssize_t)(sizeof(*info) + script->size + info->str_size);
 
#ifdef HAVE_SYS_UIO_H
    const struct iovec vec[] = {
        { .iov_base = (void *)info, .iov_len = sizeof(*info) },
        { .iov_base = (void *)buf, .iov_len = script->size },
        { .iov_base = (void *)ZSTR_VAL(s), .iov_len = info->str_size },
    };
 
    written = writev(fd, vec, sizeof(vec) / sizeof(vec[0]));
    if (EXPECTED(written == total_size)) {
        return true;
    }
 
    errno = written == -1 ? errno : EAGAIN;
    return false;
#else
    if (UNEXPECTED(ZEND_LONG_MAX < (zend_long)total_size)) {
# ifdef EFBIG
        errno = EFBIG;
# else
        errno = ERANGE;
# endif
        return false;
    }
 
    written = write(fd, info, sizeof(*info));
    if (UNEXPECTED(written != sizeof(*info))) {
        errno = written == -1 ? errno : EAGAIN;
        return false;
    }
 
    written = write(fd, buf, script->size);
    if (UNEXPECTED(written != script->size)) {
        errno = written == -1 ? errno : EAGAIN;
        return false;
    }
 
    written = write(fd, ZSTR_VAL(s), info->str_size);
    if (UNEXPECTED(written != info->str_size)) {
        errno = written == -1 ? errno : EAGAIN;
        return false;
    }
 
    return true;
#endif
}
 
int zend_file_cache_script_store(zend_persistent_script *script, bool in_shm)
{
    int fd;
    char *filename;
    zend_file_cache_metainfo info;
    void *mem, *buf;
 
#ifdef HAVE_JIT
    /* FIXME: dump jited codes out to file cache? */
    if (JIT_G(on)) {
        return FAILURE;
    }
#endif
 
    filename = zend_file_cache_get_bin_file_path(script->script.filename);
 
    if (zend_file_cache_mkdir(filename, strlen(ZCG(accel_directives).file_cache)) != SUCCESS) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot create directory for file '%s', %s\n", filename, strerror(errno));
        efree(filename);
        return FAILURE;
    }
 
    fd = zend_file_cache_open(filename, O_CREAT | O_EXCL | O_RDWR | O_BINARY, S_IRUSR | S_IWUSR);
    if (fd < 0) {
        if (errno != EEXIST) {
            zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot create file '%s', %s\n", filename, strerror(errno));
        }
        efree(filename);
        return FAILURE;
    }
 
    if (zend_file_cache_flock(fd, LOCK_EX) != 0) {
        close(fd);
        efree(filename);
        return FAILURE;
    }
 
#if defined(__AVX__) || defined(__SSE2__)
    /* Align to 64-byte boundary */
    mem = emalloc(script->size + 64);
    buf = (void*)(((uintptr_t)mem + 63L) & ~63L);
#else
    mem = buf = emalloc(script->size);
#endif
 
    ZCG(mem) = zend_string_alloc(4096 - (_ZSTR_HEADER_SIZE + 1), 0);
 
    zend_shared_alloc_init_xlat_table();
    if (!in_shm) {
        script->corrupted = true; /* used to check if script restored to SHM or process memory */
    }
    zend_file_cache_serialize(script, &info, buf);
    if (!in_shm) {
        script->corrupted = false;
    }
    zend_shared_alloc_destroy_xlat_table();
 
    zend_string *const s = (zend_string*)ZCG(mem);
 
#if __has_feature(memory_sanitizer)
    /* The buffer may contain uninitialized regions. However, the uninitialized parts will not be
     * used when reading the cache. We should probably still try to get things fully initialized
     * for reproducibility, but for now ignore this issue. */
    __msan_unpoison(&info, sizeof(info));
    __msan_unpoison(buf, script->size);
#endif
 
    info.checksum = zend_adler32(ADLER32_INIT, buf, script->size);
    info.checksum = zend_adler32(info.checksum, (unsigned char*)ZSTR_VAL(s), info.str_size);
 
    if (!zend_file_cache_script_write(fd, script, &info, buf, s)) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot write to file '%s': %s\n", filename, strerror(errno));
        zend_string_release_ex(s, 0);
        close(fd);
        efree(mem);
        zend_file_cache_unlink(filename);
        efree(filename);
        return FAILURE;
    }
 
    zend_string_release_ex(s, 0);
    efree(mem);
    if (zend_file_cache_flock(fd, LOCK_UN) != 0) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot unlock file '%s': %s\n", filename, strerror(errno));
    }
    close(fd);
    efree(filename);
 
    return SUCCESS;
}
 
static void zend_file_cache_unserialize_hash(HashTable               *ht,
                                             zend_persistent_script  *script,
                                             void                    *buf,
                                             unserialize_callback_t   func,
                                             dtor_func_t              dtor)
{
    ht->pDestructor = dtor;
    if (HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED) {
        if (EXPECTED(!file_cache_only)) {
            HT_SET_DATA_ADDR(ht, &ZCSG(uninitialized_bucket));
        } else {
            HT_SET_DATA_ADDR(ht, &uninitialized_bucket);
        }
        return;
    }
    if (IS_UNSERIALIZED(ht->arData)) {
        return;
    }
    UNSERIALIZE_PTR(ht->arData);
    if (HT_IS_PACKED(ht)) {
        zval *p, *end;
 
        p = ht->arPacked;
        end = p + ht->nNumUsed;
        while (p < end) {
            if (Z_TYPE_P(p) != IS_UNDEF) {
                func(p, script, buf);
            }
            p++;
        }
    } else {
        Bucket *p, *end;
 
        p = ht->arData;
        end = p + ht->nNumUsed;
        while (p < end) {
            if (Z_TYPE(p->val) != IS_UNDEF) {
                UNSERIALIZE_STR(p->key);
                func(&p->val, script, buf);
            }
            p++;
        }
    }
}
 
static void zend_file_cache_unserialize_ast(zend_ast                *ast,
                                            zend_persistent_script  *script,
                                            void                    *buf)
{
    uint32_t i;
 
    if (ast->kind == ZEND_AST_ZVAL || ast->kind == ZEND_AST_CONSTANT) {
        zend_file_cache_unserialize_zval(&((zend_ast_zval*)ast)->val, script, buf);
    } else if (zend_ast_is_list(ast)) {
        zend_ast_list *list = zend_ast_get_list(ast);
        for (i = 0; i < list->children; i++) {
            if (list->child[i] && !IS_UNSERIALIZED(list->child[i])) {
                UNSERIALIZE_PTR(list->child[i]);
                zend_file_cache_unserialize_ast(list->child[i], script, buf);
            }
        }
    } else {
        uint32_t children = zend_ast_get_num_children(ast);
        for (i = 0; i < children; i++) {
            if (ast->child[i] && !IS_UNSERIALIZED(ast->child[i])) {
                UNSERIALIZE_PTR(ast->child[i]);
                zend_file_cache_unserialize_ast(ast->child[i], script, buf);
            }
        }
    }
}
 
static void zend_file_cache_unserialize_zval(zval                    *zv,
                                             zend_persistent_script  *script,
                                             void                    *buf)
{
    switch (Z_TYPE_P(zv)) {
        case IS_STRING:
            /* We can't use !IS_UNSERIALIZED here, because that does not recognize unserialized
             * interned strings in non-shm mode. */
            if (IS_SERIALIZED(Z_STR_P(zv)) || IS_SERIALIZED_INTERNED(Z_STR_P(zv))) {
                UNSERIALIZE_STR(Z_STR_P(zv));
            }
            break;
        case IS_ARRAY:
            if (!IS_UNSERIALIZED(Z_ARR_P(zv))) {
                HashTable *ht;
 
                UNSERIALIZE_PTR(Z_ARR_P(zv));
                ht = Z_ARR_P(zv);
                zend_file_cache_unserialize_hash(ht,
                        script, buf, zend_file_cache_unserialize_zval, ZVAL_PTR_DTOR);
            }
            break;
        case IS_CONSTANT_AST:
            if (!IS_UNSERIALIZED(Z_AST_P(zv))) {
                UNSERIALIZE_PTR(Z_AST_P(zv));
                zend_file_cache_unserialize_ast(Z_ASTVAL_P(zv), script, buf);
            }
            break;
        case IS_INDIRECT:
            /* Used by static properties. */
            UNSERIALIZE_PTR(Z_INDIRECT_P(zv));
            break;
        default:
            ZEND_ASSERT(Z_TYPE_P(zv) < IS_STRING);
            break;
    }
}
 
static void zend_file_cache_unserialize_attribute(zval *zv, zend_persistent_script *script, void *buf)
{
    zend_attribute *attr;
    uint32_t i;
 
    UNSERIALIZE_PTR(Z_PTR_P(zv));
    attr = Z_PTR_P(zv);
 
    UNSERIALIZE_STR(attr->name);
    UNSERIALIZE_STR(attr->lcname);
 
    for (i = 0; i < attr->argc; i++) {
        UNSERIALIZE_STR(attr->args[i].name);
        zend_file_cache_unserialize_zval(&attr->args[i].value, script, buf);
    }
}
 
static void zend_file_cache_unserialize_type(
        zend_type *type, zend_class_entry *scope, zend_persistent_script *script, void *buf)
{
    if (ZEND_TYPE_HAS_LIST(*type)) {
        zend_type_list *list = ZEND_TYPE_LIST(*type);
        UNSERIALIZE_PTR(list);
        ZEND_TYPE_SET_PTR(*type, list);
 
        zend_type *list_type;
        ZEND_TYPE_LIST_FOREACH(list, list_type) {
            zend_file_cache_unserialize_type(list_type, scope, script, buf);
        } ZEND_TYPE_LIST_FOREACH_END();
    } else if (ZEND_TYPE_HAS_NAME(*type)) {
        zend_string *type_name = ZEND_TYPE_NAME(*type);
        UNSERIALIZE_STR(type_name);
        ZEND_TYPE_SET_PTR(*type, type_name);
        if (!script->corrupted) {
            zend_accel_get_class_name_map_ptr(type_name);
        } else {
            zend_alloc_ce_cache(type_name);
        }
    }
}
 
static void zend_file_cache_unserialize_op_array(zend_op_array           *op_array,
                                                 zend_persistent_script  *script,
                                                 void                    *buf)
{
    if (!script->corrupted) {
        if (op_array != &script->script.main_op_array) {
            op_array->fn_flags |= ZEND_ACC_IMMUTABLE;
            ZEND_MAP_PTR_NEW(op_array->run_time_cache);
        } else {
            ZEND_ASSERT(!(op_array->fn_flags & ZEND_ACC_IMMUTABLE));
            ZEND_MAP_PTR_INIT(op_array->run_time_cache, NULL);
        }
        if (op_array->static_variables) {
            ZEND_MAP_PTR_NEW(op_array->static_variables_ptr);
        }
    } else {
        op_array->fn_flags &= ~ZEND_ACC_IMMUTABLE;
        ZEND_MAP_PTR_INIT(op_array->static_variables_ptr, NULL);
        ZEND_MAP_PTR_INIT(op_array->run_time_cache, NULL);
    }
 
    /* Check whether this op_array has already been unserialized. */
    if (IS_UNSERIALIZED(op_array->opcodes)) {
        ZEND_ASSERT(op_array->scope && "Only method op_arrays should be shared");
        return;
    }
 
    if (op_array->refcount) {
        op_array->refcount = NULL;
        UNSERIALIZE_PTR(op_array->static_variables);
        UNSERIALIZE_PTR(op_array->literals);
        UNSERIALIZE_PTR(op_array->opcodes);
        UNSERIALIZE_PTR(op_array->arg_info);
        UNSERIALIZE_PTR(op_array->vars);
        UNSERIALIZE_STR(op_array->function_name);
        UNSERIALIZE_STR(op_array->filename);
        UNSERIALIZE_PTR(op_array->live_range);
        UNSERIALIZE_PTR(op_array->scope);
        UNSERIALIZE_STR(op_array->doc_comment);
        UNSERIALIZE_ATTRIBUTES(op_array->attributes);
        UNSERIALIZE_PTR(op_array->try_catch_array);
        UNSERIALIZE_PTR(op_array->prototype);
        UNSERIALIZE_PTR(op_array->prop_info);
        return;
    }
 
    if (op_array->static_variables) {
        HashTable *ht;
 
        UNSERIALIZE_PTR(op_array->static_variables);
        ht = op_array->static_variables;
        zend_file_cache_unserialize_hash(ht,
                script, buf, zend_file_cache_unserialize_zval, ZVAL_PTR_DTOR);
    }
 
    if (op_array->literals) {
        zval *p, *end;
 
        UNSERIALIZE_PTR(op_array->literals);
        p = op_array->literals;
        end = p + op_array->last_literal;
        while (p < end) {
            zend_file_cache_unserialize_zval(p, script, buf);
            p++;
        }
    }
 
    {
        zend_op *opline, *end;
 
        UNSERIALIZE_PTR(op_array->opcodes);
        opline = op_array->opcodes;
        end = opline + op_array->last;
        while (opline < end) {
#if ZEND_USE_ABS_CONST_ADDR
            if (opline->op1_type == IS_CONST) {
                UNSERIALIZE_PTR(opline->op1.zv);
            }
            if (opline->op2_type == IS_CONST) {
                UNSERIALIZE_PTR(opline->op2.zv);
            }
#else
            if (opline->op1_type == IS_CONST) {
                ZEND_PASS_TWO_UPDATE_CONSTANT(op_array, opline, opline->op1);
            }
            if (opline->op2_type == IS_CONST) {
                ZEND_PASS_TWO_UPDATE_CONSTANT(op_array, opline, opline->op2);
            }
#endif
#if ZEND_USE_ABS_JMP_ADDR
            switch (opline->opcode) {
                case ZEND_JMP:
                case ZEND_FAST_CALL:
                    UNSERIALIZE_PTR(opline->op1.jmp_addr);
                    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:
                    UNSERIALIZE_PTR(opline->op2.jmp_addr);
                    break;
                case ZEND_CATCH:
                    if (!(opline->extended_value & ZEND_LAST_CATCH)) {
                        UNSERIALIZE_PTR(opline->op2.jmp_addr);
                    }
                    break;
                case ZEND_FE_FETCH_R:
                case ZEND_FE_FETCH_RW:
                case ZEND_SWITCH_LONG:
                case ZEND_SWITCH_STRING:
                    /* relative extended_value don't have to be changed */
                    break;
            }
#endif
            zend_deserialize_opcode_handler(opline);
            opline++;
        }
 
        UNSERIALIZE_PTR(op_array->scope);
 
        if (op_array->arg_info) {
            zend_arg_info *p, *end;
            UNSERIALIZE_PTR(op_array->arg_info);
            p = op_array->arg_info;
            end = p + op_array->num_args;
            if (op_array->fn_flags & ZEND_ACC_HAS_RETURN_TYPE) {
                p--;
            }
            if (op_array->fn_flags & ZEND_ACC_VARIADIC) {
                end++;
            }
            while (p < end) {
                if (!IS_UNSERIALIZED(p->name)) {
                    UNSERIALIZE_STR(p->name);
                }
                zend_file_cache_unserialize_type(&p->type, (op_array->fn_flags & ZEND_ACC_CLOSURE) ? NULL : op_array->scope, script, buf);
                p++;
            }
        }
 
        if (op_array->vars) {
            zend_string **p, **end;
 
            UNSERIALIZE_PTR(op_array->vars);
            p = op_array->vars;
            end = p + op_array->last_var;
            while (p < end) {
                if (!IS_UNSERIALIZED(*p)) {
                    UNSERIALIZE_STR(*p);
                }
                p++;
            }
        }
 
        if (op_array->num_dynamic_func_defs) {
            UNSERIALIZE_PTR(op_array->dynamic_func_defs);
            for (uint32_t i = 0; i < op_array->num_dynamic_func_defs; i++) {
                UNSERIALIZE_PTR(op_array->dynamic_func_defs[i]);
                zend_file_cache_unserialize_op_array(op_array->dynamic_func_defs[i], script, buf);
            }
        }
 
        UNSERIALIZE_STR(op_array->function_name);
        UNSERIALIZE_STR(op_array->filename);
        UNSERIALIZE_PTR(op_array->live_range);
        UNSERIALIZE_STR(op_array->doc_comment);
        UNSERIALIZE_ATTRIBUTES(op_array->attributes);
        UNSERIALIZE_PTR(op_array->try_catch_array);
        UNSERIALIZE_PTR(op_array->prototype);
        UNSERIALIZE_PTR(op_array->prop_info);
    }
}
 
static void zend_file_cache_unserialize_func(zval                    *zv,
                                             zend_persistent_script  *script,
                                             void                    *buf)
{
    zend_function *func;
    UNSERIALIZE_PTR(Z_PTR_P(zv));
    func = Z_PTR_P(zv);
    ZEND_ASSERT(func->type == ZEND_USER_FUNCTION);
    zend_file_cache_unserialize_op_array(&func->op_array, script, buf);
}
 
static void zend_file_cache_unserialize_prop_info(zval                    *zv,
                                                  zend_persistent_script  *script,
                                                  void                    *buf)
{
    if (!IS_UNSERIALIZED(Z_PTR_P(zv))) {
        zend_property_info *prop;
 
        UNSERIALIZE_PTR(Z_PTR_P(zv));
        prop = Z_PTR_P(zv);
 
        ZEND_ASSERT(prop->ce != NULL && prop->name != NULL);
        if (!IS_UNSERIALIZED(prop->ce)) {
            UNSERIALIZE_PTR(prop->ce);
            UNSERIALIZE_STR(prop->name);
            if (prop->doc_comment) {
                UNSERIALIZE_STR(prop->doc_comment);
            }
            UNSERIALIZE_ATTRIBUTES(prop->attributes);
            UNSERIALIZE_PTR(prop->prototype);
            if (prop->hooks) {
                UNSERIALIZE_PTR(prop->hooks);
                for (uint32_t i = 0; i < ZEND_PROPERTY_HOOK_COUNT; i++) {
                    if (prop->hooks[i]) {
                        UNSERIALIZE_PTR(prop->hooks[i]);
                        zend_file_cache_unserialize_op_array(&prop->hooks[i]->op_array, script, buf);
                    }
                }
            }
            zend_file_cache_unserialize_type(&prop->type, prop->ce, script, buf);
        }
    }
}
 
static void zend_file_cache_unserialize_class_constant(zval                    *zv,
                                                       zend_persistent_script  *script,
                                                       void                    *buf)
{
    if (!IS_UNSERIALIZED(Z_PTR_P(zv))) {
        zend_class_constant *c;
 
        UNSERIALIZE_PTR(Z_PTR_P(zv));
        c = Z_PTR_P(zv);
 
        ZEND_ASSERT(c->ce != NULL);
        if (!IS_UNSERIALIZED(c->ce)) {
            UNSERIALIZE_PTR(c->ce);
 
            zend_file_cache_unserialize_zval(&c->value, script, buf);
 
            if (c->doc_comment) {
                UNSERIALIZE_STR(c->doc_comment);
            }
            UNSERIALIZE_ATTRIBUTES(c->attributes);
            zend_file_cache_unserialize_type(&c->type, c->ce, script, buf);
        }
    }
}
 
static void zend_file_cache_unserialize_class(zval                    *zv,
                                              zend_persistent_script  *script,
                                              void                    *buf)
{
    zend_class_entry *ce;
 
    UNSERIALIZE_PTR(Z_PTR_P(zv));
    ce = Z_PTR_P(zv);
 
    UNSERIALIZE_STR(ce->name);
    if (!(ce->ce_flags & ZEND_ACC_ANON_CLASS)) {
        if (!script->corrupted) {
            zend_accel_get_class_name_map_ptr(ce->name);
        } else {
            zend_alloc_ce_cache(ce->name);
        }
    }
    if (ce->parent) {
        if (!(ce->ce_flags & ZEND_ACC_LINKED)) {
            UNSERIALIZE_STR(ce->parent_name);
        } else {
            UNSERIALIZE_PTR(ce->parent);
        }
    }
    zend_file_cache_unserialize_hash(&ce->function_table,
            script, buf, zend_file_cache_unserialize_func, ZEND_FUNCTION_DTOR);
    if (ce->default_properties_table) {
        zval *p, *end;
 
        UNSERIALIZE_PTR(ce->default_properties_table);
        p = ce->default_properties_table;
        end = p + ce->default_properties_count;
        while (p < end) {
            zend_file_cache_unserialize_zval(p, script, buf);
            p++;
        }
    }
    if (ce->default_static_members_table) {
        zval *p, *end;
        UNSERIALIZE_PTR(ce->default_static_members_table);
        p = ce->default_static_members_table;
        end = p + ce->default_static_members_count;
        while (p < end) {
            zend_file_cache_unserialize_zval(p, script, buf);
            p++;
        }
    }
    zend_file_cache_unserialize_hash(&ce->constants_table,
            script, buf, zend_file_cache_unserialize_class_constant, NULL);
    UNSERIALIZE_STR(ce->info.user.filename);
    UNSERIALIZE_STR(ce->doc_comment);
    UNSERIALIZE_ATTRIBUTES(ce->attributes);
    zend_file_cache_unserialize_hash(&ce->properties_info,
            script, buf, zend_file_cache_unserialize_prop_info, NULL);
 
    if (ce->properties_info_table) {
        uint32_t i;
        UNSERIALIZE_PTR(ce->properties_info_table);
 
        for (i = 0; i < ce->default_properties_count; i++) {
            UNSERIALIZE_PTR(ce->properties_info_table[i]);
        }
    }
 
    if (ce->num_interfaces) {
        uint32_t i;
 
        ZEND_ASSERT(!(ce->ce_flags & ZEND_ACC_LINKED));
        UNSERIALIZE_PTR(ce->interface_names);
 
        for (i = 0; i < ce->num_interfaces; i++) {
            UNSERIALIZE_STR(ce->interface_names[i].name);
            UNSERIALIZE_STR(ce->interface_names[i].lc_name);
        }
    }
 
    if (ce->num_traits) {
        uint32_t i;
 
        UNSERIALIZE_PTR(ce->trait_names);
 
        for (i = 0; i < ce->num_traits; i++) {
            UNSERIALIZE_STR(ce->trait_names[i].name);
            UNSERIALIZE_STR(ce->trait_names[i].lc_name);
        }
 
        if (ce->trait_aliases) {
            zend_trait_alias **p, *q;
 
            UNSERIALIZE_PTR(ce->trait_aliases);
            p = ce->trait_aliases;
 
            while (*p) {
                UNSERIALIZE_PTR(*p);
                q = *p;
 
                if (q->trait_method.method_name) {
                    UNSERIALIZE_STR(q->trait_method.method_name);
                }
                if (q->trait_method.class_name) {
                    UNSERIALIZE_STR(q->trait_method.class_name);
                }
 
                if (q->alias) {
                    UNSERIALIZE_STR(q->alias);
                }
                p++;
            }
        }
 
        if (ce->trait_precedences) {
            zend_trait_precedence **p, *q;
            uint32_t j;
 
            UNSERIALIZE_PTR(ce->trait_precedences);
            p = ce->trait_precedences;
 
            while (*p) {
                UNSERIALIZE_PTR(*p);
                q = *p;
 
                if (q->trait_method.method_name) {
                    UNSERIALIZE_STR(q->trait_method.method_name);
                }
                if (q->trait_method.class_name) {
                    UNSERIALIZE_STR(q->trait_method.class_name);
                }
 
                for (j = 0; j < q->num_excludes; j++) {
                    UNSERIALIZE_STR(q->exclude_class_names[j]);
                }
                p++;
            }
        }
    }
 
    UNSERIALIZE_PTR(ce->constructor);
    UNSERIALIZE_PTR(ce->destructor);
    UNSERIALIZE_PTR(ce->clone);
    UNSERIALIZE_PTR(ce->__get);
    UNSERIALIZE_PTR(ce->__set);
    UNSERIALIZE_PTR(ce->__call);
    UNSERIALIZE_PTR(ce->__serialize);
    UNSERIALIZE_PTR(ce->__unserialize);
    UNSERIALIZE_PTR(ce->__isset);
    UNSERIALIZE_PTR(ce->__unset);
    UNSERIALIZE_PTR(ce->__tostring);
    UNSERIALIZE_PTR(ce->__callstatic);
    UNSERIALIZE_PTR(ce->__debugInfo);
 
    if (ce->iterator_funcs_ptr) {
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_new_iterator);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_rewind);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_valid);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_key);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_current);
        UNSERIALIZE_PTR(ce->iterator_funcs_ptr->zf_next);
    }
    if (ce->arrayaccess_funcs_ptr) {
        UNSERIALIZE_PTR(ce->arrayaccess_funcs_ptr);
        UNSERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetget);
        UNSERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetexists);
        UNSERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetset);
        UNSERIALIZE_PTR(ce->arrayaccess_funcs_ptr->zf_offsetunset);
    }
 
    if (!(script->corrupted)) {
        ce->ce_flags |= ZEND_ACC_IMMUTABLE;
        ce->ce_flags &= ~ZEND_ACC_FILE_CACHED;
        ZEND_MAP_PTR_NEW(ce->mutable_data);
        if (ce->default_static_members_count) {
            ZEND_MAP_PTR_NEW(ce->static_members_table);
        }
    } else {
        ce->ce_flags &= ~ZEND_ACC_IMMUTABLE;
        ce->ce_flags |= ZEND_ACC_FILE_CACHED;
        ZEND_MAP_PTR_INIT(ce->mutable_data, NULL);
        ZEND_MAP_PTR_INIT(ce->static_members_table, NULL);
    }
 
    if (ce->get_iterator) {
        ZEND_ASSERT(ce->get_iterator == HOOKED_ITERATOR_PLACEHOLDER);
        ce->get_iterator = zend_hooked_object_get_iterator;
    }
 
    // Memory addresses of object handlers are not stable. They can change due to ASLR or order of linking dynamic. To
    // avoid pointing to invalid memory we relink default_object_handlers here.
    ce->default_object_handlers = ce->ce_flags & ZEND_ACC_ENUM ? &zend_enum_object_handlers : &std_object_handlers;
}
 
static void zend_file_cache_unserialize_warnings(zend_persistent_script *script, void *buf)
{
    if (script->warnings) {
        UNSERIALIZE_PTR(script->warnings);
        for (uint32_t i = 0; i < script->num_warnings; i++) {
            UNSERIALIZE_PTR(script->warnings[i]);
            UNSERIALIZE_STR(script->warnings[i]->filename);
            UNSERIALIZE_STR(script->warnings[i]->message);
        }
    }
}
 
static void zend_file_cache_unserialize_early_bindings(zend_persistent_script *script, void *buf)
{
    if (script->early_bindings) {
        UNSERIALIZE_PTR(script->early_bindings);
        for (uint32_t i = 0; i < script->num_early_bindings; i++) {
            UNSERIALIZE_STR(script->early_bindings[i].lcname);
            UNSERIALIZE_STR(script->early_bindings[i].rtd_key);
            UNSERIALIZE_STR(script->early_bindings[i].lc_parent_name);
        }
    }
}
 
static void zend_file_cache_unserialize(zend_persistent_script  *script,
                                        void                    *buf)
{
    script->mem = buf;
 
    UNSERIALIZE_STR(script->script.filename);
 
    zend_file_cache_unserialize_hash(&script->script.class_table,
            script, buf, zend_file_cache_unserialize_class, ZEND_CLASS_DTOR);
    zend_file_cache_unserialize_hash(&script->script.function_table,
            script, buf, zend_file_cache_unserialize_func, ZEND_FUNCTION_DTOR);
    zend_file_cache_unserialize_op_array(&script->script.main_op_array, script, buf);
    zend_file_cache_unserialize_warnings(script, buf);
    zend_file_cache_unserialize_early_bindings(script, buf);
}
 
zend_persistent_script *zend_file_cache_script_load(zend_file_handle *file_handle)
{
    zend_string *full_path = file_handle->opened_path;
    int fd;
    char *filename;
    zend_persistent_script *script;
    zend_file_cache_metainfo info;
    zend_accel_hash_entry *bucket;
    void *mem, *checkpoint, *buf;
    bool cache_it = true;
    unsigned int actual_checksum;
    bool ok;
 
    if (!full_path) {
        return NULL;
    }
    filename = zend_file_cache_get_bin_file_path(full_path);
 
    fd = zend_file_cache_open(filename, O_RDONLY | O_BINARY);
    if (fd < 0) {
        efree(filename);
        return NULL;
    }
 
    if (zend_file_cache_flock(fd, LOCK_SH) != 0) {
        close(fd);
        efree(filename);
        return NULL;
    }
 
    if (read(fd, &info, sizeof(info)) != sizeof(info)) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot read from file '%s' (info)\n", filename);
        zend_file_cache_flock(fd, LOCK_UN);
        close(fd);
        zend_file_cache_unlink(filename);
        efree(filename);
        return NULL;
    }
 
    /* verify header */
    if (memcmp(info.magic, "OPCACHE", 8) != 0) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot read from file '%s' (wrong header)\n", filename);
        zend_file_cache_flock(fd, LOCK_UN);
        close(fd);
        zend_file_cache_unlink(filename);
        efree(filename);
        return NULL;
    }
    if (memcmp(info.system_id, zend_system_id, 32) != 0) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot read from file '%s' (wrong \"system_id\")\n", filename);
        zend_file_cache_flock(fd, LOCK_UN);
        close(fd);
        zend_file_cache_unlink(filename);
        efree(filename);
        return NULL;
    }
 
    /* verify timestamp */
    if (ZCG(accel_directives).validate_timestamps &&
        zend_get_file_handle_timestamp(file_handle, NULL) != info.timestamp) {
        if (zend_file_cache_flock(fd, LOCK_UN) != 0) {
            zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot unlock file '%s'\n", filename);
        }
        close(fd);
        zend_file_cache_unlink(filename);
        efree(filename);
        return NULL;
    }
 
    checkpoint = zend_arena_checkpoint(CG(arena));
#if defined(__AVX__) || defined(__SSE2__)
    /* Align to 64-byte boundary */
    mem = zend_arena_alloc(&CG(arena), info.mem_size + info.str_size + 64);
    mem = (void*)(((uintptr_t)mem + 63L) & ~63L);
#else
    mem = zend_arena_alloc(&CG(arena), info.mem_size + info.str_size);
#endif
 
    if (read(fd, mem, info.mem_size + info.str_size) != (ssize_t)(info.mem_size + info.str_size)) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot read from file '%s' (mem)\n", filename);
        zend_file_cache_flock(fd, LOCK_UN);
        close(fd);
        zend_file_cache_unlink(filename);
        zend_arena_release(&CG(arena), checkpoint);
        efree(filename);
        return NULL;
    }
    if (zend_file_cache_flock(fd, LOCK_UN) != 0) {
        zend_accel_error(ACCEL_LOG_WARNING, "opcache cannot unlock file '%s'\n", filename);
    }
    close(fd);
 
    /* verify checksum */
    if (ZCG(accel_directives).file_cache_consistency_checks &&
        (actual_checksum = zend_adler32(ADLER32_INIT, mem, info.mem_size + info.str_size)) != info.checksum) {
        zend_accel_error(ACCEL_LOG_WARNING, "corrupted file '%s' excepted checksum: 0x%08x actual checksum: 0x%08x\n", filename, info.checksum, actual_checksum);
        zend_file_cache_unlink(filename);
        zend_arena_release(&CG(arena), checkpoint);
        efree(filename);
        return NULL;
    }
 
    if (!file_cache_only &&
        !ZCSG(restart_in_progress) &&
        !ZCSG(restart_pending) &&
        !ZSMMG(memory_exhausted) &&
        accelerator_shm_read_lock() == SUCCESS) {
        /* exclusive lock */
        zend_shared_alloc_lock();
 
        /* Check if we still need to put the file into the cache (may be it was
         * already stored by another process. This final check is done under
         * exclusive lock) */
        bucket = zend_accel_hash_find_entry(&ZCSG(hash), full_path);
        if (bucket) {
            script = (zend_persistent_script *)bucket->data;
            if (!script->corrupted) {
                zend_shared_alloc_unlock();
                zend_arena_release(&CG(arena), checkpoint);
                efree(filename);
                return script;
            }
        }
 
        if (zend_accel_hash_is_full(&ZCSG(hash))) {
            zend_accel_error(ACCEL_LOG_DEBUG, "No more entries in hash table!");
            ZSMMG(memory_exhausted) = 1;
            zend_accel_schedule_restart_if_necessary(ACCEL_RESTART_HASH);
            zend_shared_alloc_unlock();
            goto use_process_mem;
        }
 
        buf = zend_shared_alloc_aligned(info.mem_size);
 
        if (!buf) {
            zend_accel_schedule_restart_if_necessary(ACCEL_RESTART_OOM);
            zend_shared_alloc_unlock();
            goto use_process_mem;
        }
        memcpy(buf, mem, info.mem_size);
        zend_map_ptr_extend(ZCSG(map_ptr_last));
    } else {
use_process_mem:
        buf = mem;
        cache_it = false;
    }
 
    ZCG(mem) = ((char*)mem + info.mem_size);
    script = (zend_persistent_script*)((char*)buf + info.script_offset);
    script->corrupted = !cache_it; /* used to check if script restored to SHM or process memory */
 
    ok = true;
    zend_try {
        zend_file_cache_unserialize(script, buf);
    } zend_catch {
        ok = false;
    } zend_end_try();
    if (!ok) {
        if (cache_it) {
            zend_shared_alloc_unlock();
            goto use_process_mem;
        } else {
            zend_arena_release(&CG(arena), checkpoint);
            efree(filename);
            return NULL;
        }
    }
 
    script->corrupted = false;
 
    if (cache_it) {
        ZCSG(map_ptr_last) = CG(map_ptr_last);
        script->dynamic_members.last_used = ZCG(request_time);
 
        zend_accel_hash_update(&ZCSG(hash), script->script.filename, 0, script);
 
        zend_shared_alloc_unlock();
        zend_accel_error(ACCEL_LOG_INFO, "File cached script loaded into memory '%s'", ZSTR_VAL(script->script.filename));
 
        zend_arena_release(&CG(arena), checkpoint);
    }
    efree(filename);
 
    return script;
}
 
void zend_file_cache_invalidate(zend_string *full_path)
{
    char *filename;
 
    filename = zend_file_cache_get_bin_file_path(full_path);
 
    zend_file_cache_unlink(filename);
    efree(filename);
}