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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}}, 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 if (ast->kind == ZEND_AST_OP_ARRAY) {
/* The op_array itself will be serialized as part of the dynamic_func_defs. */
SERIALIZE_PTR(zend_ast_get_op_array(ast)->op_array);
} else if (ast->kind == ZEND_AST_CALLABLE_CONVERT) {
zend_ast_fcc *fcc = (zend_ast_fcc*)ast;
ZEND_MAP_PTR_INIT(fcc->fptr, NULL);
} else if (zend_ast_is_decl(ast)) {
/* Not implemented. */
ZEND_UNREACHABLE();
} 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