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dis-bench / src /php /php-src /ext /opcache /jit /zend_jit_helpers.c
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/*
+----------------------------------------------------------------------+
| Zend JIT |
+----------------------------------------------------------------------+
| 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/zend_API.h"
static ZEND_COLD void undef_result_after_exception(void) {
const zend_op *opline = EG(opline_before_exception);
ZEND_ASSERT(EG(exception));
if (opline && opline->result_type & (IS_VAR | IS_TMP_VAR)) {
zend_execute_data *execute_data = EG(current_execute_data);
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
}
static zend_never_inline zend_function* ZEND_FASTCALL _zend_jit_init_func_run_time_cache(zend_op_array *op_array) /* {{{ */
{
void **run_time_cache;
run_time_cache = zend_arena_alloc(&CG(arena), op_array->cache_size);
memset(run_time_cache, 0, op_array->cache_size);
ZEND_MAP_PTR_SET(op_array->run_time_cache, run_time_cache);
return (zend_function*)op_array;
}
/* }}} */
static zend_never_inline zend_op_array* ZEND_FASTCALL zend_jit_init_func_run_time_cache_helper(zend_op_array *op_array) /* {{{ */
{
void **run_time_cache;
if (!RUN_TIME_CACHE(op_array)) {
run_time_cache = zend_arena_alloc(&CG(arena), op_array->cache_size);
memset(run_time_cache, 0, op_array->cache_size);
ZEND_MAP_PTR_SET(op_array->run_time_cache, run_time_cache);
}
return op_array;
}
/* }}} */
static zend_function* ZEND_FASTCALL zend_jit_find_func_helper(zend_string *name, void **cache_slot)
{
zval *func = zend_hash_find_known_hash(EG(function_table), name);
zend_function *fbc;
if (UNEXPECTED(func == NULL)) {
return NULL;
}
fbc = Z_FUNC_P(func);
if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
fbc = _zend_jit_init_func_run_time_cache(&fbc->op_array);
}
*cache_slot = fbc;
return fbc;
}
static uint32_t ZEND_FASTCALL zend_jit_jmp_frameless_helper(zval *func_name, void **cache_slot)
{
zval *func = zend_hash_find_known_hash(EG(function_table), Z_STR_P(func_name));
zend_jmp_fl_result result = (func == NULL) + 1;
*cache_slot = (void *)(uintptr_t)result;
return result;
}
static zend_function* ZEND_FASTCALL zend_jit_find_ns_func_helper(zval *func_name, void **cache_slot)
{
zval *func = zend_hash_find_known_hash(EG(function_table), Z_STR_P(func_name + 1));
zend_function *fbc;
if (func == NULL) {
func = zend_hash_find_known_hash(EG(function_table), Z_STR_P(func_name + 2));
if (UNEXPECTED(func == NULL)) {
return NULL;
}
}
fbc = Z_FUNC_P(func);
if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
fbc = _zend_jit_init_func_run_time_cache(&fbc->op_array);
}
*cache_slot = fbc;
return fbc;
}
static ZEND_COLD void ZEND_FASTCALL zend_jit_invalid_method_call(zval *object)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zval *function_name = RT_CONSTANT(opline, opline->op2);
if (Z_TYPE_P(object) == IS_UNDEF && opline->op1_type == IS_CV) {
zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(opline->op1.var)];
zend_error_unchecked(E_WARNING, "Undefined variable $%S", cv);
if (UNEXPECTED(EG(exception) != NULL)) {
return;
}
object = &EG(uninitialized_zval);
}
zend_throw_error(NULL, "Call to a member function %s() on %s",
Z_STRVAL_P(function_name), zend_zval_value_name(object));
}
static ZEND_COLD void ZEND_FASTCALL zend_jit_invalid_method_call_tmp(zval *object)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_jit_invalid_method_call(object);
zval_ptr_dtor_nogc(EX_VAR(opline->op1.var));
}
static void ZEND_FASTCALL zend_jit_unref_helper(zval *zv)
{
zend_reference *ref;
ZEND_ASSERT(Z_ISREF_P(zv));
ref = Z_REF_P(zv);
ZVAL_COPY_VALUE(zv, &ref->val);
if (GC_DELREF(ref) == 0) {
efree_size(ref, sizeof(zend_reference));
} else {
Z_TRY_ADDREF_P(zv);
}
}
static zend_function* ZEND_FASTCALL zend_jit_find_method_helper(zend_object *obj, zval *function_name, zend_object **obj_ptr)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_class_entry *called_scope = obj->ce;
zend_function *fbc;
fbc = obj->handlers->get_method(obj_ptr, Z_STR_P(function_name), function_name + 1);
if (UNEXPECTED(fbc == NULL)) {
if (EXPECTED(!EG(exception))) {
zend_undefined_method(called_scope, Z_STR_P(function_name));
}
return NULL;
}
if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
zend_init_func_run_time_cache(&fbc->op_array);
}
if (UNEXPECTED(obj != *obj_ptr)) {
return fbc;
}
if (EXPECTED(!(fbc->common.fn_flags & (ZEND_ACC_CALL_VIA_TRAMPOLINE|ZEND_ACC_NEVER_CACHE)))) {
CACHE_POLYMORPHIC_PTR(opline->result.num, called_scope, fbc);
}
return fbc;
}
static zend_function* ZEND_FASTCALL zend_jit_find_method_tmp_helper(zend_object *obj, zval *function_name, zend_object **obj_ptr)
{
zend_function *fbc;
fbc = zend_jit_find_method_helper(obj, function_name, obj_ptr);
if (!fbc) {
if (GC_DELREF(obj) == 0) {
zend_objects_store_del(obj);
}
} else if (obj != *obj_ptr) {
GC_ADDREF(*obj_ptr);
if (GC_DELREF(obj) == 0) {
zend_objects_store_del(obj);
}
}
return fbc;
}
static zend_class_entry* ZEND_FASTCALL zend_jit_find_class_helper(zend_execute_data *execute_data)
{
const zend_op *opline = EX(opline);
zend_class_entry *ce;
if (opline->op1_type == IS_CONST) {
/* no function found. try a static method in class */
ce = CACHED_PTR(opline->result.num);
if (UNEXPECTED(ce == NULL)) {
ce = zend_fetch_class_by_name(Z_STR_P(RT_CONSTANT(opline, opline->op1)), Z_STR_P(RT_CONSTANT(opline, opline->op1) + 1), ZEND_FETCH_CLASS_DEFAULT | ZEND_FETCH_CLASS_EXCEPTION);
}
} else if (opline->op1_type == IS_UNUSED) {
ce = zend_fetch_class(NULL, opline->op1.num);
} else {
ce = Z_CE_P(EX_VAR(opline->op1.var));
}
return ce;
}
static zend_function* ZEND_FASTCALL zend_jit_find_static_method_helper(zend_execute_data *execute_data, zend_class_entry *ce)
{
const zend_op *opline = EX(opline);
zend_function *fbc;
ZEND_ASSERT(opline->op2_type == IS_CONST);
if (opline->op1_type == IS_CONST &&
EXPECTED((fbc = CACHED_PTR(opline->result.num + sizeof(void*))) != NULL)) {
/* nothing to do */
} else if (opline->op1_type != IS_CONST &&
EXPECTED(CACHED_PTR(opline->result.num) == ce)) {
fbc = CACHED_PTR(opline->result.num + sizeof(void*));
} else if (opline->op2_type != IS_UNUSED) {
zval *function_name = RT_CONSTANT(opline, opline->op2);
ZEND_ASSERT(Z_TYPE_P(function_name) == IS_STRING);
if (ce->get_static_method) {
fbc = ce->get_static_method(ce, Z_STR_P(function_name));
} else {
fbc = zend_std_get_static_method(ce, Z_STR_P(function_name), RT_CONSTANT(opline, opline->op2) + 1);
}
if (UNEXPECTED(fbc == NULL)) {
if (EXPECTED(!EG(exception))) {
zend_undefined_method(ce, Z_STR_P(function_name));
}
return NULL;
}
if (EXPECTED(!(fbc->common.fn_flags & (ZEND_ACC_CALL_VIA_TRAMPOLINE|ZEND_ACC_NEVER_CACHE))) &&
EXPECTED(!(fbc->common.scope->ce_flags & ZEND_ACC_TRAIT))) {
CACHE_POLYMORPHIC_PTR(opline->result.num, ce, fbc);
}
if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
zend_init_func_run_time_cache(&fbc->op_array);
}
} else {
if (UNEXPECTED(ce->constructor == NULL)) {
zend_throw_error(NULL, "Cannot call constructor");
return NULL;
}
if (Z_TYPE(EX(This)) == IS_OBJECT && Z_OBJ(EX(This))->ce != ce->constructor->common.scope && (ce->constructor->common.fn_flags & ZEND_ACC_PRIVATE)) {
zend_throw_error(NULL, "Cannot call private %s::__construct()", ZSTR_VAL(ce->name));
return NULL;;
}
fbc = ce->constructor;
if (EXPECTED(fbc->type == ZEND_USER_FUNCTION) && UNEXPECTED(!RUN_TIME_CACHE(&fbc->op_array))) {
zend_init_func_run_time_cache(&fbc->op_array);
}
}
return fbc;
}
static zend_execute_data* ZEND_FASTCALL zend_jit_push_this_method_call_frame(zend_class_entry *scope, zend_function *fbc, uint32_t num_args)
{
zend_execute_data *execute_data = EG(current_execute_data);
if (Z_TYPE(EX(This)) != IS_OBJECT || !instanceof_function(Z_OBJCE(EX(This)), scope)) {
zend_non_static_method_call(fbc);
return NULL;
}
scope = (zend_class_entry*)Z_OBJ(EX(This));
return zend_vm_stack_push_call_frame(ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_HAS_THIS, fbc, num_args, scope);
}
static zend_execute_data* ZEND_FASTCALL zend_jit_push_static_method_call_frame(zend_object *obj, zend_function *fbc, uint32_t num_args)
{
zend_class_entry *scope = obj->ce;
return zend_vm_stack_push_call_frame(ZEND_CALL_NESTED_FUNCTION, fbc, num_args, scope);
}
static zend_execute_data* ZEND_FASTCALL zend_jit_push_static_method_call_frame_tmp(zend_object *obj, zend_function *fbc, uint32_t num_args)
{
zend_class_entry *scope = obj->ce;
if (GC_DELREF(obj) == 0) {
zend_objects_store_del(obj);
if (UNEXPECTED(EG(exception))) {
return NULL;
}
}
return zend_vm_stack_push_call_frame(ZEND_CALL_NESTED_FUNCTION, fbc, num_args, scope);
}
static zend_execute_data* ZEND_FASTCALL zend_jit_extend_stack_helper(uint32_t used_stack, zend_function *fbc)
{
zend_execute_data *call = (zend_execute_data*)zend_vm_stack_extend(used_stack);
call->func = fbc;
ZEND_CALL_INFO(call) = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_ALLOCATED;
return call;
}
static zend_execute_data* ZEND_FASTCALL zend_jit_int_extend_stack_helper(uint32_t used_stack)
{
zend_execute_data *call = (zend_execute_data*)zend_vm_stack_extend(used_stack);
ZEND_CALL_INFO(call) = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_ALLOCATED;
return call;
}
static zval* ZEND_FASTCALL zend_jit_symtable_find(HashTable *ht, zend_string *str)
{
zend_ulong idx;
register const char *tmp = str->val;
do {
if (*tmp > '9') {
break;
} else if (*tmp < '0') {
if (*tmp != '-') {
break;
}
tmp++;
if (*tmp > '9' || *tmp < '0') {
break;
}
}
if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
return zend_hash_index_find(ht, idx);
}
} while (0);
return zend_hash_find(ht, str);
}
static zval* ZEND_FASTCALL zend_jit_hash_index_lookup_rw_no_packed(HashTable *ht, zend_long idx)
{
zval *retval = NULL;
if (!HT_IS_PACKED(ht)) {
retval = _zend_hash_index_find(ht, idx);
}
if (!retval) {
retval = zend_undefined_offset_write(ht, idx);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_hash_index_lookup_rw(HashTable *ht, zend_long idx)
{
zval *retval = zend_hash_index_find(ht, idx);
if (!retval) {
retval = zend_undefined_offset_write(ht, idx);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_hash_lookup_rw(HashTable *ht, zend_string *str)
{
zval *retval = zend_hash_find_known_hash(ht, str);
if (!retval) {
/* Key may be released while throwing the undefined index warning. */
retval = zend_undefined_index_write(ht, str);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_symtable_lookup_rw(HashTable *ht, zend_string *str)
{
zend_ulong idx;
register const char *tmp = str->val;
zval *retval;
do {
if (*tmp > '9') {
break;
} else if (*tmp < '0') {
if (*tmp != '-') {
break;
}
tmp++;
if (*tmp > '9' || *tmp < '0') {
break;
}
}
if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
retval = zend_hash_index_find(ht, idx);
if (!retval) {
retval = zend_undefined_offset_write(ht, idx);
}
return retval;
}
} while (0);
retval = zend_hash_find(ht, str);
if (!retval) {
/* Key may be released while throwing the undefined index warning. */
retval = zend_undefined_index_write(ht, str);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_symtable_lookup_w(HashTable *ht, zend_string *str)
{
zend_ulong idx;
register const char *tmp = str->val;
do {
if (*tmp > '9') {
break;
} else if (*tmp < '0') {
if (*tmp != '-') {
break;
}
tmp++;
if (*tmp > '9' || *tmp < '0') {
break;
}
}
if (_zend_handle_numeric_str_ex(str->val, str->len, &idx)) {
return zend_hash_index_lookup(ht, idx);
}
} while (0);
return zend_hash_lookup(ht, str);
}
static int ZEND_FASTCALL zend_jit_undefined_op_helper(uint32_t var)
{
const zend_execute_data *execute_data = EG(current_execute_data);
zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(var)];
zend_error_unchecked(E_WARNING, "Undefined variable $%S", cv);
return EG(exception) == NULL;
}
static int ZEND_FASTCALL zend_jit_undefined_op_helper_write(HashTable *ht, uint32_t var)
{
const zend_execute_data *execute_data = EG(current_execute_data);
zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(var)];
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
zend_error_unchecked(E_WARNING, "Undefined variable $%S", cv);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && GC_DELREF(ht) != 1) {
if (!GC_REFCOUNT(ht)) {
zend_array_destroy(ht);
}
return 0;
}
return EG(exception) == NULL;
}
static void ZEND_FASTCALL zend_jit_fetch_dim_r_helper(zend_array *ht, zval *dim, zval *result)
{
zend_ulong hval;
zend_string *offset_key;
zval *retval;
zend_execute_data *execute_data;
const zend_op *opline;
if (Z_TYPE_P(dim) == IS_REFERENCE) {
dim = Z_REFVAL_P(dim);
}
switch (Z_TYPE_P(dim)) {
case IS_LONG:
hval = Z_LVAL_P(dim);
goto num_index;
case IS_STRING:
offset_key = Z_STR_P(dim);
goto str_index;
case IS_UNDEF:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
ZEND_FALLTHROUGH;
case IS_NULL:
offset_key = ZSTR_EMPTY_ALLOC();
goto str_index;
case IS_DOUBLE:
hval = zend_dval_to_lval(Z_DVAL_P(dim));
if (!zend_is_long_compatible(Z_DVAL_P(dim), hval)) {
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_incompatible_double_to_long_error(Z_DVAL_P(dim));
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
}
goto num_index;
case IS_RESOURCE:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_use_resource_as_offset(dim);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
hval = Z_RES_HANDLE_P(dim);
goto num_index;
case IS_FALSE:
hval = 0;
goto num_index;
case IS_TRUE:
hval = 1;
goto num_index;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_ARRAY), dim, BP_VAR_R);
undef_result_after_exception();
return;
}
str_index:
if (ZEND_HANDLE_NUMERIC(offset_key, hval)) {
goto num_index;
}
retval = zend_hash_find(ht, offset_key);
if (!retval) {
zend_error(E_WARNING, "Undefined array key \"%s\"", ZSTR_VAL(offset_key));
ZVAL_NULL(result);
return;
}
ZVAL_COPY_DEREF(result, retval);
return;
num_index:
ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
ZVAL_COPY_DEREF(result, retval);
return;
num_undef:
zend_error(E_WARNING, "Undefined array key " ZEND_LONG_FMT, hval);
ZVAL_NULL(result);
}
static void ZEND_FASTCALL zend_jit_fetch_dim_is_helper(zend_array *ht, zval *dim, zval *result)
{
zend_ulong hval;
zend_string *offset_key;
zval *retval;
zend_execute_data *execute_data;
const zend_op *opline;
if (Z_TYPE_P(dim) == IS_REFERENCE) {
dim = Z_REFVAL_P(dim);
}
switch (Z_TYPE_P(dim)) {
case IS_LONG:
hval = Z_LVAL_P(dim);
goto num_index;
case IS_STRING:
offset_key = Z_STR_P(dim);
goto str_index;
case IS_UNDEF:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
ZEND_FALLTHROUGH;
case IS_NULL:
offset_key = ZSTR_EMPTY_ALLOC();
goto str_index;
case IS_DOUBLE:
hval = zend_dval_to_lval(Z_DVAL_P(dim));
if (!zend_is_long_compatible(Z_DVAL_P(dim), hval)) {
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_incompatible_double_to_long_error(Z_DVAL_P(dim));
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
}
goto num_index;
case IS_RESOURCE:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_use_resource_as_offset(dim);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return;
}
hval = Z_RES_HANDLE_P(dim);
goto num_index;
case IS_FALSE:
hval = 0;
goto num_index;
case IS_TRUE:
hval = 1;
goto num_index;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_ARRAY), dim,
EG(current_execute_data)->opline->opcode == ZEND_ISSET_ISEMPTY_DIM_OBJ ?
BP_VAR_IS : BP_VAR_RW);
undef_result_after_exception();
return;
}
str_index:
if (ZEND_HANDLE_NUMERIC(offset_key, hval)) {
goto num_index;
}
retval = zend_hash_find(ht, offset_key);
if (!retval) {
ZVAL_NULL(result);
return;
}
ZVAL_COPY_DEREF(result, retval);
return;
num_index:
ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
ZVAL_COPY_DEREF(result, retval);
return;
num_undef:
ZVAL_NULL(result);
}
static int ZEND_FASTCALL zend_jit_fetch_dim_isset_helper(zend_array *ht, zval *dim)
{
zend_ulong hval;
zend_string *offset_key;
zval *retval;
if (Z_TYPE_P(dim) == IS_REFERENCE) {
dim = Z_REFVAL_P(dim);
}
switch (Z_TYPE_P(dim)) {
case IS_LONG:
hval = Z_LVAL_P(dim);
goto num_index;
case IS_STRING:
offset_key = Z_STR_P(dim);
goto str_index;
case IS_UNDEF:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
return 0;
}
if (EG(exception)) {
return 0;
}
ZEND_FALLTHROUGH;
case IS_NULL:
offset_key = ZSTR_EMPTY_ALLOC();
goto str_index;
case IS_DOUBLE:
hval = zend_dval_to_lval(Z_DVAL_P(dim));
if (!zend_is_long_compatible(Z_DVAL_P(dim), hval)) {
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
zend_incompatible_double_to_long_error(Z_DVAL_P(dim));
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
return 0;
}
if (EG(exception)) {
return 0;
}
}
goto num_index;
case IS_RESOURCE:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
zend_use_resource_as_offset(dim);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && !GC_DELREF(ht)) {
zend_array_destroy(ht);
return 0;
}
if (EG(exception)) {
return 0;
}
hval = Z_RES_HANDLE_P(dim);
goto num_index;
case IS_FALSE:
hval = 0;
goto num_index;
case IS_TRUE:
hval = 1;
goto num_index;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_ARRAY), dim, BP_VAR_IS);
return 0;
}
str_index:
if (ZEND_HANDLE_NUMERIC(offset_key, hval)) {
goto num_index;
}
retval = zend_hash_find(ht, offset_key);
if (!retval) {
return 0;
}
if (UNEXPECTED(Z_TYPE_P(retval) == IS_REFERENCE)) {
retval = Z_REFVAL_P(retval);
}
return Z_TYPE_P(retval) > IS_NULL;
num_index:
ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
if (UNEXPECTED(Z_TYPE_P(retval) == IS_REFERENCE)) {
retval = Z_REFVAL_P(retval);
}
return (Z_TYPE_P(retval) > IS_NULL);
num_undef:
return 0;
}
static zval* ZEND_FASTCALL zend_jit_fetch_dim_rw_helper(zend_array *ht, zval *dim)
{
zend_ulong hval;
zend_string *offset_key;
zval *retval;
zend_execute_data *execute_data;
const zend_op *opline;
if (Z_TYPE_P(dim) == IS_REFERENCE) {
dim = Z_REFVAL_P(dim);
}
switch (Z_TYPE_P(dim)) {
case IS_LONG:
hval = Z_LVAL_P(dim);
goto num_index;
case IS_STRING:
offset_key = Z_STR_P(dim);
goto str_index;
case IS_UNDEF:
execute_data = EG(current_execute_data);
opline = EX(opline);
if (UNEXPECTED(opline->opcode == ZEND_HANDLE_EXCEPTION)) {
opline = EG(opline_before_exception);
}
if (opline && !zend_jit_undefined_op_helper_write(ht, opline->op2.var)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return NULL;
}
ZEND_FALLTHROUGH;
case IS_NULL:
offset_key = ZSTR_EMPTY_ALLOC();
goto str_index;
case IS_DOUBLE:
hval = zend_dval_to_lval(Z_DVAL_P(dim));
if (!zend_is_long_compatible(Z_DVAL_P(dim), hval)) {
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_incompatible_double_to_long_error(Z_DVAL_P(dim));
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && GC_DELREF(ht) != 1) {
if (!GC_REFCOUNT(ht)) {
zend_array_destroy(ht);
}
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return NULL;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return NULL;
}
}
goto num_index;
case IS_RESOURCE:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_use_resource_as_offset(dim);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && GC_DELREF(ht) != 1) {
if (!GC_REFCOUNT(ht)) {
zend_array_destroy(ht);
}
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return NULL;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return NULL;
}
hval = Z_RES_HANDLE_P(dim);
goto num_index;
case IS_FALSE:
hval = 0;
goto num_index;
case IS_TRUE:
hval = 1;
goto num_index;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_ARRAY), dim, BP_VAR_RW);
undef_result_after_exception();
return NULL;
}
str_index:
if (ZEND_HANDLE_NUMERIC(offset_key, hval)) {
goto num_index;
}
retval = zend_hash_find(ht, offset_key);
if (!retval) {
/* Key may be released while throwing the undefined index warning. */
retval = zend_undefined_index_write(ht, offset_key);
}
return retval;
num_index:
ZEND_HASH_INDEX_FIND(ht, hval, retval, num_undef);
return retval;
num_undef:
return zend_undefined_offset_write(ht, hval);
}
static zval* ZEND_FASTCALL zend_jit_fetch_dim_w_helper(zend_array *ht, zval *dim)
{
zend_ulong hval;
zend_string *offset_key;
zval *retval;
zend_execute_data *execute_data;
const zend_op *opline;
if (Z_TYPE_P(dim) == IS_REFERENCE) {
dim = Z_REFVAL_P(dim);
}
switch (Z_TYPE_P(dim)) {
case IS_LONG:
hval = Z_LVAL_P(dim);
goto num_index;
case IS_STRING:
offset_key = Z_STR_P(dim);
goto str_index;
case IS_UNDEF:
execute_data = EG(current_execute_data);
opline = EX(opline);
if (!zend_jit_undefined_op_helper_write(ht, opline->op2.var)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
if (opline->opcode == ZEND_ASSIGN_DIM
&& ((opline+1)->op1_type & (IS_VAR | IS_TMP_VAR))) {
zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
}
return NULL;
}
ZEND_FALLTHROUGH;
case IS_NULL:
offset_key = ZSTR_EMPTY_ALLOC();
goto str_index;
case IS_DOUBLE:
hval = zend_dval_to_lval(Z_DVAL_P(dim));
if (!zend_is_long_compatible(Z_DVAL_P(dim), hval)) {
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_incompatible_double_to_long_error(Z_DVAL_P(dim));
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && GC_DELREF(ht) != 1) {
if (!GC_REFCOUNT(ht)) {
zend_array_destroy(ht);
}
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return NULL;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return NULL;
}
}
goto num_index;
case IS_RESOURCE:
/* The array may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE)) {
GC_ADDREF(ht);
}
execute_data = EG(current_execute_data);
opline = EX(opline);
zend_use_resource_as_offset(dim);
if (!(GC_FLAGS(ht) & IS_ARRAY_IMMUTABLE) && GC_DELREF(ht) != 1) {
if (!GC_REFCOUNT(ht)) {
zend_array_destroy(ht);
}
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
if (EG(exception)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
} else {
ZVAL_NULL(EX_VAR(opline->result.var));
}
}
return NULL;
}
if (EG(exception)) {
if (opline->result_type & (IS_VAR | IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
return NULL;
}
hval = Z_RES_HANDLE_P(dim);
goto num_index;
case IS_FALSE:
hval = 0;
goto num_index;
case IS_TRUE:
hval = 1;
goto num_index;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_ARRAY), dim, BP_VAR_R);
undef_result_after_exception();
if (EG(opline_before_exception)
&& (EG(opline_before_exception)+1)->opcode == ZEND_OP_DATA
&& ((EG(opline_before_exception)+1)->op1_type & (IS_VAR|IS_TMP_VAR))) {
zend_execute_data *execute_data = EG(current_execute_data);
zval_ptr_dtor_nogc(EX_VAR((EG(opline_before_exception)+1)->op1.var));
}
return NULL;
}
str_index:
if (ZEND_HANDLE_NUMERIC(offset_key, hval)) {
goto num_index;
}
return zend_hash_lookup(ht, offset_key);
num_index:
ZEND_HASH_INDEX_LOOKUP(ht, hval, retval);
return retval;
}
/* type is one of the BP_VAR_* constants */
static zend_never_inline zend_long zend_check_string_offset(zval *dim, int type)
{
zend_long offset;
try_again:
switch(Z_TYPE_P(dim)) {
case IS_LONG:
return Z_LVAL_P(dim);
case IS_STRING:
{
bool trailing_data = false;
/* For BC reasons we allow errors so that we can warn on leading numeric string */
if (IS_LONG == is_numeric_string_ex(Z_STRVAL_P(dim), Z_STRLEN_P(dim), &offset, NULL,
/* allow errors */ true, NULL, &trailing_data)) {
if (UNEXPECTED(trailing_data)
&& EG(current_execute_data)->opline->opcode != ZEND_FETCH_DIM_UNSET) {
zend_error(E_WARNING, "Illegal string offset \"%s\"", Z_STRVAL_P(dim));
}
return offset;
}
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_STRING), dim, BP_VAR_R);
return 0;
}
case IS_UNDEF:
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
ZEND_FALLTHROUGH;
case IS_DOUBLE:
case IS_NULL:
case IS_FALSE:
case IS_TRUE:
zend_error(E_WARNING, "String offset cast occurred");
break;
case IS_REFERENCE:
dim = Z_REFVAL_P(dim);
goto try_again;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_STRING), dim, type);
return 0;
}
return zval_get_long_func(dim, /* is_strict */ false);
}
static zend_always_inline zend_string* zend_jit_fetch_dim_str_offset(zend_string *str, zend_long offset)
{
if (UNEXPECTED((zend_ulong)offset >= (zend_ulong)ZSTR_LEN(str))) {
if (EXPECTED(offset < 0)) {
/* Handle negative offset */
zend_long real_offset = (zend_long)ZSTR_LEN(str) + offset;
if (EXPECTED(real_offset >= 0)) {
return ZSTR_CHAR((uint8_t)ZSTR_VAL(str)[real_offset]);
}
}
zend_error(E_WARNING, "Uninitialized string offset " ZEND_LONG_FMT, offset);
return ZSTR_EMPTY_ALLOC();
} else {
return ZSTR_CHAR((uint8_t)ZSTR_VAL(str)[offset]);
}
}
static zend_string* ZEND_FASTCALL zend_jit_fetch_dim_str_offset_r_helper(zend_string *str, zend_long offset)
{
return zend_jit_fetch_dim_str_offset(str, offset);
}
static zend_string* ZEND_FASTCALL zend_jit_fetch_dim_str_r_helper(zend_string *str, zval *dim)
{
zend_long offset;
if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
if (!(GC_FLAGS(str) & IS_STR_INTERNED)) {
GC_ADDREF(str);
}
offset = zend_check_string_offset(dim, BP_VAR_R);
if (!(GC_FLAGS(str) & IS_STR_INTERNED) && UNEXPECTED(GC_DELREF(str) == 0)) {
zend_string *ret = zend_jit_fetch_dim_str_offset(str, offset);
zend_string_efree(str);
return ret;
}
} else {
offset = Z_LVAL_P(dim);
}
if (UNEXPECTED(EG(exception) != NULL)) {
return ZSTR_EMPTY_ALLOC();
}
return zend_jit_fetch_dim_str_offset(str, offset);
}
static void ZEND_FASTCALL zend_jit_fetch_dim_str_is_helper(zend_string *str, zval *dim, zval *result)
{
zend_long offset;
try_string_offset:
if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
switch (Z_TYPE_P(dim)) {
/* case IS_LONG: */
case IS_STRING:
if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, false)) {
break;
}
ZVAL_NULL(result);
return;
case IS_UNDEF:
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
case IS_DOUBLE:
case IS_NULL:
case IS_FALSE:
case IS_TRUE:
break;
case IS_REFERENCE:
dim = Z_REFVAL_P(dim);
goto try_string_offset;
default:
zend_illegal_container_offset(ZSTR_KNOWN(ZEND_STR_STRING), dim,
EG(current_execute_data)->opline->opcode == ZEND_ISSET_ISEMPTY_DIM_OBJ ?
BP_VAR_IS : BP_VAR_RW);
ZVAL_NULL(result);
return;
}
offset = zval_get_long_func(dim, /* is_strict */ false);
} else {
offset = Z_LVAL_P(dim);
}
if ((zend_ulong)offset >= (zend_ulong)ZSTR_LEN(str)) {
if (offset < 0) {
/* Handle negative offset */
zend_long real_offset = (zend_long)ZSTR_LEN(str) + offset;
if (real_offset >= 0) {
ZVAL_CHAR(result, (uint8_t)ZSTR_VAL(str)[real_offset]);
return;
}
}
ZVAL_NULL(result);
} else {
ZVAL_CHAR(result, (uint8_t)ZSTR_VAL(str)[offset]);
}
}
static void ZEND_FASTCALL zend_jit_fetch_dim_obj_r_helper(zval *container, zval *dim, zval *result)
{
zval *retval;
zend_object *obj = Z_OBJ_P(container);
GC_ADDREF(obj);
if (UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
dim = &EG(uninitialized_zval);
}
retval = obj->handlers->read_dimension(obj, dim, BP_VAR_R, result);
if (retval) {
if (result != retval) {
ZVAL_COPY_DEREF(result, retval);
} else if (UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(retval);
}
} else {
ZVAL_NULL(result);
}
if (UNEXPECTED(GC_DELREF(obj) == 0)) {
zend_objects_store_del(obj);
}
}
static void ZEND_FASTCALL zend_jit_fetch_dim_obj_is_helper(zval *container, zval *dim, zval *result)
{
zval *retval;
zend_object *obj = Z_OBJ_P(container);
GC_ADDREF(obj);
if (UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
dim = &EG(uninitialized_zval);
}
retval = obj->handlers->read_dimension(obj, dim, BP_VAR_IS, result);
if (retval) {
if (result != retval) {
ZVAL_COPY_DEREF(result, retval);
} else if (UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(result);
}
} else {
ZVAL_NULL(result);
}
if (UNEXPECTED(GC_DELREF(obj) == 0)) {
zend_objects_store_del(obj);
}
}
static zend_never_inline void zend_assign_to_string_offset(zval *str, zval *dim, zval *value, zval *result)
{
uint8_t c;
size_t string_len;
zend_long offset;
zend_string *s;
/* separate string */
if (Z_REFCOUNTED_P(str) && Z_REFCOUNT_P(str) == 1) {
s = Z_STR_P(str);
} else {
s = zend_string_init(Z_STRVAL_P(str), Z_STRLEN_P(str), 0);
ZSTR_H(s) = ZSTR_H(Z_STR_P(str));
if (Z_REFCOUNTED_P(str)) {
GC_DELREF(Z_STR_P(str));
}
ZVAL_NEW_STR(str, s);
}
if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
/* The string may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
GC_ADDREF(s);
offset = zend_check_string_offset(dim, BP_VAR_W);
if (UNEXPECTED(GC_DELREF(s) == 0)) {
zend_string_efree(s);
if (result) {
ZVAL_NULL(result);
}
return;
}
if (UNEXPECTED(EG(exception) != NULL)) {
if (UNEXPECTED(result)) {
ZVAL_UNDEF(result);
}
return;
}
} else {
offset = Z_LVAL_P(dim);
}
if (offset < -(zend_long)ZSTR_LEN(s)) {
/* Error on negative offset */
zend_error(E_WARNING, "Illegal string offset " ZEND_LONG_FMT, offset);
if (result) {
ZVAL_NULL(result);
}
return;
}
if (Z_TYPE_P(value) != IS_STRING) {
zend_string *tmp;
/* The string may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
GC_ADDREF(s);
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *op_data = EG(current_execute_data)->opline + 1;
ZEND_ASSERT(op_data->opcode == ZEND_OP_DATA && op_data->op1_type == IS_CV);
zend_jit_undefined_op_helper(op_data->op1.var);
value = &EG(uninitialized_zval);
}
/* Convert to string, just the time to pick the 1st byte */
tmp = zval_try_get_string_func(value);
if (UNEXPECTED(GC_DELREF(s) == 0)) {
zend_string_efree(s);
if (tmp) {
zend_string_release_ex(tmp, 0);
}
if (result) {
ZVAL_NULL(result);
}
return;
}
if (UNEXPECTED(!tmp)) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
string_len = ZSTR_LEN(tmp);
c = (uint8_t)ZSTR_VAL(tmp)[0];
zend_string_release(tmp);
} else {
string_len = Z_STRLEN_P(value);
c = (uint8_t)Z_STRVAL_P(value)[0];
}
if (string_len != 1) {
if (string_len == 0) {
/* Error on empty input string */
zend_throw_error(NULL, "Cannot assign an empty string to a string offset");
if (result) {
ZVAL_NULL(result);
}
return;
}
/* The string may be destroyed while throwing the notice.
* Temporarily increase the refcount to detect this situation. */
GC_ADDREF(s);
zend_error(E_WARNING, "Only the first byte will be assigned to the string offset");
if (UNEXPECTED(GC_DELREF(s) == 0)) {
zend_string_efree(s);
if (result) {
ZVAL_NULL(result);
}
return;
}
/* Illegal offset assignment */
if (UNEXPECTED(EG(exception) != NULL)) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
}
if (offset < 0) { /* Handle negative offset */
offset += (zend_long)ZSTR_LEN(s);
}
if ((size_t)offset >= ZSTR_LEN(s)) {
/* Extend string if needed */
zend_long old_len = ZSTR_LEN(s);
ZVAL_NEW_STR(str, zend_string_extend(s, (size_t)offset + 1, 0));
memset(Z_STRVAL_P(str) + old_len, ' ', offset - old_len);
Z_STRVAL_P(str)[offset+1] = 0;
} else {
zend_string_forget_hash_val(Z_STR_P(str));
}
Z_STRVAL_P(str)[offset] = c;
if (result) {
/* Return the new character */
ZVAL_CHAR(result, c);
}
}
static zend_always_inline void ZEND_FASTCALL zend_jit_fetch_dim_obj_helper(zval *object_ptr, zval *dim, zval *result, int type)
{
zval *retval;
if (EXPECTED(Z_TYPE_P(object_ptr) == IS_OBJECT)) {
zend_object *obj = Z_OBJ_P(object_ptr);
GC_ADDREF(obj);
if (dim && UNEXPECTED(Z_ISUNDEF_P(dim))) {
const zend_op *opline = EG(current_execute_data)->opline;
zend_jit_undefined_op_helper(opline->op2.var);
dim = &EG(uninitialized_zval);
}
retval = obj->handlers->read_dimension(obj, dim, type, result);
if (UNEXPECTED(retval == &EG(uninitialized_zval))) {
zend_class_entry *ce = obj->ce;
ZVAL_NULL(result);
zend_error(E_NOTICE, "Indirect modification of overloaded element of %s has no effect", ZSTR_VAL(ce->name));
} else if (EXPECTED(retval && Z_TYPE_P(retval) != IS_UNDEF)) {
if (!Z_ISREF_P(retval)) {
if (result != retval) {
ZVAL_COPY(result, retval);
retval = result;
}
if (Z_TYPE_P(retval) != IS_OBJECT) {
zend_class_entry *ce = obj->ce;
zend_error(E_NOTICE, "Indirect modification of overloaded element of %s has no effect", ZSTR_VAL(ce->name));
}
} else if (UNEXPECTED(Z_REFCOUNT_P(retval) == 1)) {
ZVAL_UNREF(retval);
}
if (result != retval) {
ZVAL_INDIRECT(result, retval);
}
} else {
ZEND_ASSERT(EG(exception) && "read_dimension() returned NULL without exception");
ZVAL_UNDEF(result);
}
if (UNEXPECTED(GC_DELREF(obj) == 0)) {
zend_objects_store_del(obj);
}
} else if (EXPECTED(Z_TYPE_P(object_ptr) == IS_STRING)) {
if (!dim) {
zend_throw_error(NULL, "[] operator not supported for strings");
} else {
if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
zend_check_string_offset(dim, BP_VAR_RW);
}
zend_wrong_string_offset_error();
}
ZVAL_UNDEF(result);
} else if (Z_TYPE_P(object_ptr) == IS_FALSE) {
zend_array *arr = zend_new_array(0);
ZVAL_ARR(object_ptr, arr);
GC_ADDREF(arr);
zend_false_to_array_deprecated();
if (UNEXPECTED(GC_DELREF(arr) == 0)) {
zend_array_destroy(arr);
ZVAL_NULL(result);
return;
}
SEPARATE_ARRAY(object_ptr);
arr = Z_ARRVAL_P(object_ptr);
zval *var;
if (dim) {
if (type == BP_VAR_W) {
var = zend_jit_fetch_dim_w_helper(arr, dim);
} else {
ZEND_ASSERT(type == BP_VAR_RW);
var = zend_jit_fetch_dim_rw_helper(arr, dim);
}
} else {
var = zend_hash_next_index_insert_new(arr, &EG(uninitialized_zval));
}
if (var) {
ZVAL_INDIRECT(result, var);
} else {
ZVAL_UNDEF(result);
}
} else {
if (type == BP_VAR_UNSET) {
zend_throw_error(NULL, "Cannot unset offset in a non-array variable");
ZVAL_UNDEF(result);
} else {
zend_throw_error(NULL, "Cannot use a scalar value as an array");
ZVAL_UNDEF(result);
}
}
}
static void ZEND_FASTCALL zend_jit_fetch_dim_obj_w_helper(zval *object_ptr, zval *dim, zval *result)
{
zend_jit_fetch_dim_obj_helper(object_ptr, dim, result, BP_VAR_W);
}
static void ZEND_FASTCALL zend_jit_fetch_dim_obj_rw_helper(zval *object_ptr, zval *dim, zval *result)
{
zend_jit_fetch_dim_obj_helper(object_ptr, dim, result, BP_VAR_RW);
}
//static void ZEND_FASTCALL zend_jit_fetch_dim_obj_unset_helper(zval *object_ptr, zval *dim, zval *result)
//{
// zend_jit_fetch_dim_obj_helper(object_ptr, dim, result, BP_VAR_UNSET);
//}
static void ZEND_FASTCALL zend_jit_assign_dim_helper(zval *object_ptr, zval *dim, zval *value, zval *result)
{
if (EXPECTED(Z_TYPE_P(object_ptr) == IS_OBJECT)) {
zend_object *obj = Z_OBJ_P(object_ptr);
GC_ADDREF(obj);
if (dim && UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
const zend_op *opline = EG(current_execute_data)->opline;
zend_jit_undefined_op_helper(opline->op2.var);
dim = &EG(uninitialized_zval);
}
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *op_data = EG(current_execute_data)->opline + 1;
ZEND_ASSERT(op_data->opcode == ZEND_OP_DATA && op_data->op1_type == IS_CV);
zend_jit_undefined_op_helper(op_data->op1.var);
value = &EG(uninitialized_zval);
} else {
ZVAL_DEREF(value);
}
obj->handlers->write_dimension(obj, dim, value);
if (result) {
if (EXPECTED(!EG(exception))) {
ZVAL_COPY(result, value);
} else {
ZVAL_UNDEF(result);
}
}
if (UNEXPECTED(GC_DELREF(obj) == 0)) {
zend_objects_store_del(obj);
}
return;
} else if (EXPECTED(Z_TYPE_P(object_ptr) == IS_STRING) && EXPECTED(dim != NULL)) {
zend_assign_to_string_offset(object_ptr, dim, value, result);
return;
}
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *op_data = EG(current_execute_data)->opline + 1;
ZEND_ASSERT(op_data->opcode == ZEND_OP_DATA && op_data->op1_type == IS_CV);
zend_jit_undefined_op_helper(op_data->op1.var);
value = &EG(uninitialized_zval);
}
if (EXPECTED(Z_TYPE_P(object_ptr) == IS_STRING)) {
zend_throw_error(NULL, "[] operator not supported for strings");
if (result) {
ZVAL_UNDEF(result);
}
} else if (Z_TYPE_P(object_ptr) == IS_FALSE) {
zend_array *arr = zend_new_array(0);
ZVAL_ARR(object_ptr, arr);
GC_ADDREF(arr);
zend_false_to_array_deprecated();
if (UNEXPECTED(GC_DELREF(arr) == 0)) {
zend_array_destroy(arr);
if (result) {
ZVAL_NULL(result);
}
return;
}
SEPARATE_ARRAY(object_ptr);
arr = Z_ARRVAL_P(object_ptr);
zval *var = dim
? zend_jit_fetch_dim_w_helper(arr, dim)
: zend_hash_next_index_insert_new(arr, &EG(uninitialized_zval));
if (!var) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
ZVAL_COPY_DEREF(var, value);
if (result) {
ZVAL_COPY(result, var);
}
} else {
if (dim && UNEXPECTED(Z_TYPE_P(dim) == IS_UNDEF)) {
const zend_op *opline = EG(current_execute_data)->opline;
zend_jit_undefined_op_helper(opline->op2.var);
dim = &EG(uninitialized_zval);
}
zend_throw_error(NULL, "Cannot use a scalar value as an array");
if (result) {
ZVAL_UNDEF(result);
}
}
}
static void ZEND_FASTCALL zend_jit_assign_dim_op_helper(zval *container, zval *dim, zval *value, binary_op_type binary_op)
{
if (EXPECTED(Z_TYPE_P(container) == IS_OBJECT)) {
zend_object *obj = Z_OBJ_P(container);
zval *z;
zval rv, res;
GC_ADDREF(obj);
if (dim && UNEXPECTED(Z_ISUNDEF_P(dim))) {
const zend_op *opline = EG(current_execute_data)->opline;
zend_jit_undefined_op_helper(opline->op2.var);
dim = &EG(uninitialized_zval);
}
z = obj->handlers->read_dimension(obj, dim, BP_VAR_R, &rv);
if (z != NULL) {
if (binary_op(&res, Z_ISREF_P(z) ? Z_REFVAL_P(z) : z, value) == SUCCESS) {
obj->handlers->write_dimension(obj, dim, &res);
}
if (z == &rv) {
zval_ptr_dtor(&rv);
}
zval_ptr_dtor(&res);
} else {
/* Exception is thrown in this case */
GC_DELREF(obj);
return;
}
if (UNEXPECTED(GC_DELREF(obj) == 0)) {
zend_objects_store_del(obj);
//??? if (retval) {
//??? ZVAL_NULL(retval);
//??? }
}
} else if (UNEXPECTED(Z_TYPE_P(container) == IS_STRING)) {
if (!dim) {
zend_throw_error(NULL, "[] operator not supported for strings");
} else {
if (UNEXPECTED(Z_TYPE_P(dim) != IS_LONG)) {
zend_check_string_offset(dim, BP_VAR_RW);
}
zend_wrong_string_offset_error();
}
} else if (Z_TYPE_P(container) == IS_FALSE) {
zend_array *arr = zend_new_array(0);
ZVAL_ARR(container, arr);
GC_ADDREF(arr);
zend_false_to_array_deprecated();
if (UNEXPECTED(GC_DELREF(arr) == 0)) {
zend_array_destroy(arr);
return;
}
SEPARATE_ARRAY(container);
arr = Z_ARRVAL_P(container);
zval *var = dim
? zend_jit_fetch_dim_rw_helper(arr, dim)
: zend_hash_next_index_insert_new(arr, &EG(uninitialized_zval));
if (var) {
binary_op(var, var, value);
}
} else {
zend_throw_error(NULL, "Cannot use a scalar value as an array");
}
}
static void ZEND_FASTCALL zend_jit_fast_assign_concat_helper(zval *op1, zval *op2)
{
size_t op1_len = Z_STRLEN_P(op1);
size_t op2_len = Z_STRLEN_P(op2);
size_t result_len = op1_len + op2_len;
zend_string *result_str;
uint32_t flags = ZSTR_GET_COPYABLE_CONCAT_PROPERTIES_BOTH(Z_STR_P(op1), Z_STR_P(op2));
if (UNEXPECTED(op1_len > ZSTR_MAX_LEN - op2_len)) {
zend_throw_error(NULL, "String size overflow");
return;
}
do {
if (Z_REFCOUNTED_P(op1)) {
if (GC_REFCOUNT(Z_STR_P(op1)) == 1) {
result_str = perealloc(Z_STR_P(op1), ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(result_len)), 0);
ZSTR_LEN(result_str) = result_len;
zend_string_forget_hash_val(result_str);
if (UNEXPECTED(Z_STR_P(op1) == Z_STR_P(op2))) {
ZVAL_NEW_STR(op2, result_str);
}
break;
}
GC_DELREF(Z_STR_P(op1));
}
result_str = zend_string_alloc(result_len, 0);
memcpy(ZSTR_VAL(result_str), Z_STRVAL_P(op1), op1_len);
} while(0);
GC_ADD_FLAGS(result_str, flags);
ZVAL_NEW_STR(op1, result_str);
memcpy(ZSTR_VAL(result_str) + op1_len, Z_STRVAL_P(op2), op2_len);
ZSTR_VAL(result_str)[result_len] = '\0';
}
static void ZEND_FASTCALL zend_jit_fast_concat_helper(zval *result, zval *op1, zval *op2)
{
size_t op1_len = Z_STRLEN_P(op1);
size_t op2_len = Z_STRLEN_P(op2);
size_t result_len = op1_len + op2_len;
zend_string *result_str;
uint32_t flags = ZSTR_GET_COPYABLE_CONCAT_PROPERTIES_BOTH(Z_STR_P(op1), Z_STR_P(op2));
if (UNEXPECTED(op1_len > ZSTR_MAX_LEN - op2_len)) {
zend_throw_error(NULL, "String size overflow");
return;
}
result_str = zend_string_alloc(result_len, 0);
GC_ADD_FLAGS(result_str, flags);
memcpy(ZSTR_VAL(result_str), Z_STRVAL_P(op1), op1_len);
ZVAL_NEW_STR(result, result_str);
memcpy(ZSTR_VAL(result_str) + op1_len, Z_STRVAL_P(op2), op2_len);
ZSTR_VAL(result_str)[result_len] = '\0';
}
static void ZEND_FASTCALL zend_jit_fast_concat_tmp_helper(zval *result, zval *op1, zval *op2)
{
zend_string *op1_str = Z_STR_P(op1);
size_t op1_len = ZSTR_LEN(op1_str);
size_t op2_len = Z_STRLEN_P(op2);
size_t result_len = op1_len + op2_len;
zend_string *result_str;
uint32_t flags = ZSTR_GET_COPYABLE_CONCAT_PROPERTIES_BOTH(Z_STR_P(op1), Z_STR_P(op2));
if (UNEXPECTED(op1_len > ZSTR_MAX_LEN - op2_len)) {
zend_throw_error(NULL, "String size overflow");
return;
}
do {
if (!ZSTR_IS_INTERNED(op1_str)) {
if (GC_REFCOUNT(op1_str) == 1) {
Z_STR_P(op1) = result_str =
perealloc(op1_str, ZEND_MM_ALIGNED_SIZE(_ZSTR_STRUCT_SIZE(result_len)), 0);
ZSTR_LEN(result_str) = result_len;
zend_string_forget_hash_val(result_str);
break;
}
GC_DELREF(op1_str);
}
result_str = zend_string_alloc(result_len, 0);
memcpy(ZSTR_VAL(result_str), ZSTR_VAL(op1_str), op1_len);
} while (0);
GC_ADD_FLAGS(result_str, flags);
ZVAL_NEW_STR(result, result_str);
memcpy(ZSTR_VAL(result_str) + op1_len, Z_STRVAL_P(op2), op2_len);
ZSTR_VAL(result_str)[result_len] = '\0';
}
static int ZEND_FASTCALL zend_jit_isset_dim_helper(zval *container, zval *offset)
{
if (UNEXPECTED(Z_TYPE_P(offset) == IS_UNDEF)) {
zend_jit_undefined_op_helper(EG(current_execute_data)->opline->op2.var);
offset = &EG(uninitialized_zval);
}
if (EXPECTED(Z_TYPE_P(container) == IS_OBJECT)) {
return Z_OBJ_HT_P(container)->has_dimension(Z_OBJ_P(container), offset, 0);
} else if (EXPECTED(Z_TYPE_P(container) == IS_STRING)) { /* string offsets */
zend_long lval;
if (EXPECTED(Z_TYPE_P(offset) == IS_LONG)) {
lval = Z_LVAL_P(offset);
isset_str_offset:
if (UNEXPECTED(lval < 0)) { /* Handle negative offset */
lval += (zend_long)Z_STRLEN_P(container);
}
if (EXPECTED(lval >= 0) && (size_t)lval < Z_STRLEN_P(container)) {
return 1;
}
} else {
ZVAL_DEREF(offset);
if (Z_TYPE_P(offset) < IS_STRING /* simple scalar types */
|| (Z_TYPE_P(offset) == IS_STRING /* or numeric string */
&& IS_LONG == is_numeric_string(Z_STRVAL_P(offset), Z_STRLEN_P(offset), NULL, NULL, false))) {
lval = zval_get_long_ex(offset, /* is_strict */ true);
goto isset_str_offset;
}
}
}
return 0;
}
static void ZEND_FASTCALL zend_jit_free_call_frame(zend_execute_data *call)
{
zend_vm_stack_free_call_frame(call);
}
static zend_reference* ZEND_FASTCALL zend_jit_fetch_global_helper(zend_string *varname, void **cache_slot)
{
zval *value;
uintptr_t idx;
zend_reference *ref;
/* We store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
idx = (uintptr_t)CACHED_PTR_EX(cache_slot) - 1;
if (EXPECTED(idx < EG(symbol_table).nNumUsed * sizeof(Bucket))) {
Bucket *p = (Bucket*)((char*)EG(symbol_table).arData + idx);
if (EXPECTED(p->key == varname) ||
(EXPECTED(p->h == ZSTR_H(varname)) &&
EXPECTED(p->key != NULL) &&
EXPECTED(zend_string_equal_content(p->key, varname)))) {
value = (zval*)p; /* value = &p->val; */
goto check_indirect;
}
}
value = zend_hash_find_known_hash(&EG(symbol_table), varname);
if (UNEXPECTED(value == NULL)) {
value = zend_hash_add_new(&EG(symbol_table), varname, &EG(uninitialized_zval));
idx = (char*)value - (char*)EG(symbol_table).arData;
/* Store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
CACHE_PTR_EX(cache_slot, (void*)(idx + 1));
} else {
idx = (char*)value - (char*)EG(symbol_table).arData;
/* Store "hash slot index" + 1 (NULL is a mark of uninitialized cache slot) */
CACHE_PTR_EX(cache_slot, (void*)(idx + 1));
check_indirect:
/* GLOBAL variable may be an INDIRECT pointer to CV */
if (UNEXPECTED(Z_TYPE_P(value) == IS_INDIRECT)) {
value = Z_INDIRECT_P(value);
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
ZVAL_NULL(value);
}
}
}
if (UNEXPECTED(!Z_ISREF_P(value))) {
ZVAL_MAKE_REF_EX(value, 2);
ref = Z_REF_P(value);
} else {
ref = Z_REF_P(value);
GC_ADDREF(ref);
}
return ref;
}
static bool ZEND_FASTCALL zend_jit_verify_arg_slow(zval *arg, zend_arg_info *arg_info)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
bool ret = zend_check_user_type_slow(
&arg_info->type, arg, /* ref */ NULL, /* is_return_type */ false);
if (UNEXPECTED(!ret)) {
zend_verify_arg_error(EX(func), arg_info, opline->op1.num, arg);
return 0;
}
return ret;
}
static void ZEND_FASTCALL zend_jit_verify_return_slow(zval *arg, const zend_op_array *op_array, zend_arg_info *arg_info)
{
if (Z_TYPE_P(arg) == IS_NULL) {
ZEND_ASSERT(ZEND_TYPE_IS_SET(arg_info->type));
if (EXPECTED(ZEND_TYPE_CONTAINS_CODE(arg_info->type, IS_NULL))) {
return;
}
}
if (UNEXPECTED(!zend_check_user_type_slow(
&arg_info->type, arg, /* ref */ NULL, /* is_return_type */ true))) {
zend_verify_return_error((zend_function*)op_array, arg);
}
}
static void ZEND_FASTCALL zend_jit_fetch_obj_r_slow(zend_object *zobj)
{
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
retval = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, result);
if (retval != result) {
ZVAL_COPY_DEREF(result, retval);
} else if (UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(retval);
}
}
static void ZEND_FASTCALL zend_jit_fetch_obj_r_dynamic(zend_object *zobj, intptr_t prop_offset)
{
if (zobj->properties && !IS_HOOKED_PROPERTY_OFFSET(prop_offset)) {
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
if (EXPECTED(p->key == name) ||
(EXPECTED(p->h == ZSTR_H(name)) &&
EXPECTED(p->key != NULL) &&
EXPECTED(zend_string_equal_content(p->key, name)))) {
ZVAL_COPY_DEREF(result, &p->val);
return;
}
}
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
}
retval = zend_hash_find_known_hash(zobj->properties, name);
if (EXPECTED(retval)) {
intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
ZVAL_COPY_DEREF(result, retval);
return;
}
}
zend_jit_fetch_obj_r_slow(zobj);
}
static void ZEND_FASTCALL zend_jit_fetch_obj_is_slow(zend_object *zobj)
{
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
retval = zobj->handlers->read_property(zobj, name, BP_VAR_IS, cache_slot, result);
if (retval != result) {
ZVAL_COPY_DEREF(result, retval);
} else if (UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(retval);
}
}
static void ZEND_FASTCALL zend_jit_fetch_obj_is_dynamic(zend_object *zobj, intptr_t prop_offset)
{
if (zobj->properties && !IS_HOOKED_PROPERTY_OFFSET(prop_offset)) {
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
if (EXPECTED(p->key == name) ||
(EXPECTED(p->h == ZSTR_H(name)) &&
EXPECTED(p->key != NULL) &&
EXPECTED(zend_string_equal_content(p->key, name)))) {
ZVAL_COPY_DEREF(result, &p->val);
return;
}
}
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
}
retval = zend_hash_find_known_hash(zobj->properties, name);
if (EXPECTED(retval)) {
intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
ZVAL_COPY_DEREF(result, retval);
return;
}
}
zend_jit_fetch_obj_is_slow(zobj);
}
static zval* ZEND_FASTCALL zend_jit_fetch_obj_r_slow_ex(zend_object *zobj)
{
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
retval = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, result);
if (retval == result && UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(retval);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_fetch_obj_r_dynamic_ex(zend_object *zobj, intptr_t prop_offset)
{
if (zobj->properties && !IS_HOOKED_PROPERTY_OFFSET(prop_offset)) {
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
if (EXPECTED(p->key == name) ||
(EXPECTED(p->h == ZSTR_H(name)) &&
EXPECTED(p->key != NULL) &&
EXPECTED(zend_string_equal_content(p->key, name)))) {
return &p->val;
}
}
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
}
retval = zend_hash_find_known_hash(zobj->properties, name);
if (EXPECTED(retval)) {
intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
return retval;
}
}
return zend_jit_fetch_obj_r_slow_ex(zobj);
}
static zval* ZEND_FASTCALL zend_jit_fetch_obj_is_slow_ex(zend_object *zobj)
{
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
retval = zobj->handlers->read_property(zobj, name, BP_VAR_IS, cache_slot, result);
if (retval == result && UNEXPECTED(Z_ISREF_P(retval))) {
zend_unwrap_reference(retval);
}
return retval;
}
static zval* ZEND_FASTCALL zend_jit_fetch_obj_is_dynamic_ex(zend_object *zobj, intptr_t prop_offset)
{
if (zobj->properties && !IS_HOOKED_PROPERTY_OFFSET(prop_offset)) {
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
if (!IS_UNKNOWN_DYNAMIC_PROPERTY_OFFSET(prop_offset)) {
intptr_t idx = ZEND_DECODE_DYN_PROP_OFFSET(prop_offset);
if (EXPECTED(idx < zobj->properties->nNumUsed * sizeof(Bucket))) {
Bucket *p = (Bucket*)((char*)zobj->properties->arData + idx);
if (EXPECTED(p->key == name) ||
(EXPECTED(p->h == ZSTR_H(name)) &&
EXPECTED(p->key != NULL) &&
EXPECTED(zend_string_equal_content(p->key, name)))) {
return &p->val;
}
}
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_DYNAMIC_PROPERTY_OFFSET);
}
retval = zend_hash_find_known_hash(zobj->properties, name);
if (EXPECTED(retval)) {
intptr_t idx = (char*)retval - (char*)zobj->properties->arData;
CACHE_PTR_EX(cache_slot + 1, (void*)ZEND_ENCODE_DYN_PROP_OFFSET(idx));
return retval;
}
}
return zend_jit_fetch_obj_is_slow_ex(zobj);
}
static zend_always_inline bool promotes_to_array(zval *val) {
return Z_TYPE_P(val) <= IS_FALSE
|| (Z_ISREF_P(val) && Z_TYPE_P(Z_REFVAL_P(val)) <= IS_FALSE);
}
static zend_always_inline bool check_type_array_assignable(zend_type type) {
if (!ZEND_TYPE_IS_SET(type)) {
return 1;
}
return (ZEND_TYPE_FULL_MASK(type) & MAY_BE_ARRAY) != 0;
}
static zend_never_inline ZEND_COLD void zend_throw_auto_init_in_prop_error(zend_property_info *prop, const char *type) {
zend_string *type_str = zend_type_to_string(prop->type);
zend_type_error(
"Cannot auto-initialize an %s inside property %s::$%s of type %s",
type,
ZSTR_VAL(prop->ce->name), zend_get_unmangled_property_name(prop->name),
ZSTR_VAL(type_str)
);
zend_string_release(type_str);
}
static zend_never_inline ZEND_COLD void zend_throw_access_uninit_prop_by_ref_error(
zend_property_info *prop) {
zend_throw_error(NULL,
"Cannot access uninitialized non-nullable property %s::$%s by reference",
ZSTR_VAL(prop->ce->name),
zend_get_unmangled_property_name(prop->name));
}
static zend_never_inline bool zend_handle_fetch_obj_flags(
zval *result, zval *ptr, zend_object *obj, zend_property_info *prop_info, uint32_t flags)
{
switch (flags) {
case ZEND_FETCH_DIM_WRITE:
if (promotes_to_array(ptr)) {
if (!prop_info) {
break;
}
if (!check_type_array_assignable(prop_info->type)) {
zend_throw_auto_init_in_prop_error(prop_info, "array");
if (result) ZVAL_ERROR(result);
return 0;
}
}
break;
case ZEND_FETCH_REF:
if (Z_TYPE_P(ptr) != IS_REFERENCE) {
if (!prop_info) {
break;
}
if (Z_TYPE_P(ptr) == IS_UNDEF) {
if (!ZEND_TYPE_ALLOW_NULL(prop_info->type)) {
zend_throw_access_uninit_prop_by_ref_error(prop_info);
if (result) ZVAL_ERROR(result);
return 0;
}
ZVAL_NULL(ptr);
}
if (ZEND_TYPE_IS_SET(prop_info->type)) {
ZVAL_NEW_REF(ptr, ptr);
ZEND_REF_ADD_TYPE_SOURCE(Z_REF_P(ptr), prop_info);
}
}
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
return 1;
}
static void ZEND_FASTCALL zend_jit_fetch_obj_w_slow(zend_object *zobj)
{
zval *retval;
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
zend_string *name = Z_STR_P(RT_CONSTANT(opline, opline->op2));
zval *result = EX_VAR(opline->result.var);
void **cache_slot = CACHE_ADDR(opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS);
ZEND_ASSERT(cache_slot);
retval = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_W, cache_slot);
if (NULL == retval) {
retval = zobj->handlers->read_property(zobj, name, BP_VAR_W, cache_slot, result);
if (retval == result) {
if (UNEXPECTED(Z_ISREF_P(retval) && Z_REFCOUNT_P(retval) == 1)) {
ZVAL_UNREF(retval);
}
return;
}
if (UNEXPECTED(EG(exception))) {
ZVAL_ERROR(result);
return;
}
} else if (UNEXPECTED(Z_ISERROR_P(retval))) {
ZVAL_ERROR(result);
return;
}
ZVAL_INDIRECT(result, retval);
/* Support for typed properties */
do {
uint32_t flags = opline->extended_value & ZEND_FETCH_OBJ_FLAGS;
if (flags) {
zend_property_info *prop_info = CACHED_PTR_EX(cache_slot + 2);
if (!prop_info) {
break;
}
if (UNEXPECTED(!zend_handle_fetch_obj_flags(result, retval, zobj, prop_info, flags))) {
return;
}
}
} while (0);
if (UNEXPECTED(Z_TYPE_P(retval) == IS_UNDEF)) {
ZVAL_NULL(retval);
}
}
static void ZEND_FASTCALL zend_jit_check_array_promotion(zval *val, zend_property_info *prop)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = execute_data->opline;
zval *result = EX_VAR(opline->result.var);
if ((Z_TYPE_P(val) <= IS_FALSE
|| (Z_ISREF_P(val) && Z_TYPE_P(Z_REFVAL_P(val)) <= IS_FALSE))
&& ZEND_TYPE_IS_SET(prop->type)
&& (ZEND_TYPE_FULL_MASK(prop->type) & MAY_BE_ARRAY) == 0) {
zend_string *type_str = zend_type_to_string(prop->type);
zend_type_error(
"Cannot auto-initialize an array inside property %s::$%s of type %s",
ZSTR_VAL(prop->ce->name), zend_get_unmangled_property_name(prop->name),
ZSTR_VAL(type_str)
);
zend_string_release(type_str);
ZVAL_ERROR(result);
} else {
ZVAL_INDIRECT(result, val);
}
}
static void ZEND_FASTCALL zend_jit_create_typed_ref(zval *val, zend_property_info *prop, zval *result)
{
if (!Z_ISREF_P(val)) {
ZVAL_NEW_REF(val, val);
ZEND_REF_ADD_TYPE_SOURCE(Z_REF_P(val), prop);
}
ZVAL_INDIRECT(result, val);
}
static void ZEND_FASTCALL zend_jit_extract_helper(zend_refcounted *garbage)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = execute_data->opline;
zval *zv = EX_VAR(opline->result.var);
if (EXPECTED(Z_TYPE_P(zv) == IS_INDIRECT)) {
ZVAL_COPY(zv, Z_INDIRECT_P(zv));
}
rc_dtor_func(garbage);
}
static void ZEND_FASTCALL zend_jit_vm_stack_free_args_helper(zend_execute_data *call)
{
zend_vm_stack_free_args(call);
}
static zend_always_inline zval* zend_jit_assign_to_typed_ref_helper(zend_reference *ref, zval *value, uint8_t value_type)
{
zval variable;
ZVAL_REF(&variable, ref);
return zend_assign_to_variable(&variable, value, value_type, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data)));
}
static zval* ZEND_FASTCALL zend_jit_assign_const_to_typed_ref(zend_reference *ref, zval *value)
{
return zend_jit_assign_to_typed_ref_helper(ref, value, IS_CONST);
}
static zval* ZEND_FASTCALL zend_jit_assign_tmp_to_typed_ref(zend_reference *ref, zval *value)
{
return zend_jit_assign_to_typed_ref_helper(ref, value, IS_TMP_VAR);
}
static zval* ZEND_FASTCALL zend_jit_assign_var_to_typed_ref(zend_reference *ref, zval *value)
{
return zend_jit_assign_to_typed_ref_helper(ref, value, IS_VAR);
}
static zval* ZEND_FASTCALL zend_jit_assign_cv_to_typed_ref(zend_reference *ref, zval *value)
{
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *opline = EG(current_execute_data)->opline;
uint32_t var;
if (opline->opcode == ZEND_ASSIGN) {
var = opline->op2.var;
} else {
ZEND_ASSERT((opline + 1)->opcode == ZEND_OP_DATA);
var = (opline + 1)->op1.var;
}
zend_jit_undefined_op_helper(var);
value = &EG(uninitialized_zval);
}
return zend_jit_assign_to_typed_ref_helper(ref, value, IS_CV);
}
static zend_always_inline zval* zend_jit_assign_to_typed_ref2_helper(zend_reference *ref, zval *value, zval *result, uint8_t value_type)
{
zval variable, *ret;
zend_refcounted *garbage = NULL;
ZVAL_REF(&variable, ref);
ret = zend_assign_to_variable_ex(&variable, value, value_type, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data)), &garbage);
ZVAL_COPY(result, ret);
if (garbage) {
GC_DTOR(garbage);
}
return ret;
}
static zval* ZEND_FASTCALL zend_jit_assign_const_to_typed_ref2(zend_reference *ref, zval *value, zval *result)
{
return zend_jit_assign_to_typed_ref2_helper(ref, value, result, IS_CONST);
}
static zval* ZEND_FASTCALL zend_jit_assign_tmp_to_typed_ref2(zend_reference *ref, zval *value, zval *result)
{
return zend_jit_assign_to_typed_ref2_helper(ref, value, result, IS_TMP_VAR);
}
static zval* ZEND_FASTCALL zend_jit_assign_var_to_typed_ref2(zend_reference *ref, zval *value, zval *result)
{
return zend_jit_assign_to_typed_ref2_helper(ref, value, result, IS_VAR);
}
static zval* ZEND_FASTCALL zend_jit_assign_cv_to_typed_ref2(zend_reference *ref, zval *value, zval *result)
{
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *opline = EG(current_execute_data)->opline;
uint32_t var;
if (opline->opcode == ZEND_ASSIGN) {
var = opline->op2.var;
} else {
ZEND_ASSERT((opline + 1)->opcode == ZEND_OP_DATA);
var = (opline + 1)->op1.var;
}
zend_jit_undefined_op_helper(var);
value = &EG(uninitialized_zval);
}
return zend_jit_assign_to_typed_ref2_helper(ref, value, result, IS_CV);
}
static zend_property_info *zend_jit_get_prop_not_accepting_double(zend_reference *ref)
{
zend_property_info *prop;
ZEND_REF_FOREACH_TYPE_SOURCES(ref, prop) {
if (!(ZEND_TYPE_FULL_MASK(prop->type) & MAY_BE_DOUBLE)) {
return prop;
}
} ZEND_REF_FOREACH_TYPE_SOURCES_END();
return NULL;
}
static ZEND_COLD void zend_jit_throw_inc_ref_error(zend_reference *ref, zend_property_info *error_prop)
{
zend_string *type_str = zend_type_to_string(error_prop->type);
zend_type_error(
"Cannot increment a reference held by property %s::$%s of type %s past its maximal value",
ZSTR_VAL(error_prop->ce->name),
zend_get_unmangled_property_name(error_prop->name),
ZSTR_VAL(type_str));
zend_string_release(type_str);
}
static ZEND_COLD void zend_jit_throw_dec_ref_error(zend_reference *ref, zend_property_info *error_prop)
{
zend_string *type_str = zend_type_to_string(error_prop->type);
zend_type_error(
"Cannot decrement a reference held by property %s::$%s of type %s past its minimal value",
ZSTR_VAL(error_prop->ce->name),
zend_get_unmangled_property_name(error_prop->name),
ZSTR_VAL(type_str));
zend_string_release(type_str);
}
static void ZEND_FASTCALL zend_jit_pre_inc_typed_ref(zend_reference *ref, zval *ret)
{
zval *var_ptr = &ref->val;
zval tmp;
ZVAL_COPY(&tmp, var_ptr);
increment_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
zend_property_info *error_prop = zend_jit_get_prop_not_accepting_double(ref);
if (UNEXPECTED(error_prop)) {
zend_jit_throw_inc_ref_error(ref, error_prop);
ZVAL_LONG(var_ptr, ZEND_LONG_MAX);
}
} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, &tmp);
} else {
zval_ptr_dtor(&tmp);
}
if (ret) {
ZVAL_COPY(ret, var_ptr);
}
}
static void ZEND_FASTCALL zend_jit_pre_dec_typed_ref(zend_reference *ref, zval *ret)
{
zval *var_ptr = &ref->val;
zval tmp;
ZVAL_COPY(&tmp, var_ptr);
decrement_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
zend_property_info *error_prop = zend_jit_get_prop_not_accepting_double(ref);
if (UNEXPECTED(error_prop)) {
zend_jit_throw_dec_ref_error(ref, error_prop);
ZVAL_LONG(var_ptr, ZEND_LONG_MIN);
}
} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, &tmp);
} else {
zval_ptr_dtor(&tmp);
}
if (ret) {
ZVAL_COPY(ret, var_ptr);
}
}
static void ZEND_FASTCALL zend_jit_post_inc_typed_ref(zend_reference *ref, zval *ret)
{
zval *var_ptr = &ref->val;
ZVAL_COPY(ret, var_ptr);
increment_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(ret) == IS_LONG) {
zend_property_info *error_prop = zend_jit_get_prop_not_accepting_double(ref);
if (UNEXPECTED(error_prop)) {
zend_jit_throw_inc_ref_error(ref, error_prop);
ZVAL_LONG(var_ptr, ZEND_LONG_MAX);
}
} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, ret);
}
}
static void ZEND_FASTCALL zend_jit_post_dec_typed_ref(zend_reference *ref, zval *ret)
{
zval *var_ptr = &ref->val;
ZVAL_COPY(ret, var_ptr);
decrement_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(ret) == IS_LONG) {
zend_property_info *error_prop = zend_jit_get_prop_not_accepting_double(ref);
if (UNEXPECTED(error_prop)) {
zend_jit_throw_dec_ref_error(ref, error_prop);
ZVAL_LONG(var_ptr, ZEND_LONG_MIN);
}
} else if (UNEXPECTED(!zend_verify_ref_assignable_zval(ref, var_ptr, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, ret);
}
}
static void ZEND_FASTCALL zend_jit_assign_op_to_typed_ref(zend_reference *ref, zval *val, binary_op_type binary_op)
{
zval z_copy;
/* Make sure that in-place concatenation is used if the LHS is a string. */
if (binary_op == concat_function && Z_TYPE(ref->val) == IS_STRING) {
concat_function(&ref->val, &ref->val, val);
ZEND_ASSERT(Z_TYPE(ref->val) == IS_STRING && "Concat should return string");
return;
}
binary_op(&z_copy, &ref->val, val);
if (EXPECTED(zend_verify_ref_assignable_zval(ref, &z_copy, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(&ref->val);
ZVAL_COPY_VALUE(&ref->val, &z_copy);
} else {
zval_ptr_dtor(&z_copy);
}
}
static void ZEND_FASTCALL zend_jit_assign_op_to_typed_ref_tmp(zend_reference *ref, zval *val, binary_op_type binary_op)
{
zval z_copy;
binary_op(&z_copy, &ref->val, val);
if (EXPECTED(zend_verify_ref_assignable_zval(ref, &z_copy, ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))))) {
zval_ptr_dtor(&ref->val);
ZVAL_COPY_VALUE(&ref->val, &z_copy);
} else {
zval_ptr_dtor(&z_copy);
}
zval_ptr_dtor_nogc(val);
}
static void ZEND_FASTCALL zend_jit_only_vars_by_reference(zval *arg)
{
ZVAL_NEW_REF(arg, arg);
zend_error(E_NOTICE, "Only variables should be passed by reference");
}
static void ZEND_FASTCALL zend_jit_invalid_array_access(zval *container)
{
zend_error(E_WARNING, "Trying to access array offset on %s", zend_zval_value_name(container));
}
static void ZEND_FASTCALL zend_jit_invalid_property_read(zval *container, const char *property_name)
{
zend_error(E_WARNING, "Attempt to read property \"%s\" on %s", property_name, zend_zval_value_name(container));
}
static void ZEND_FASTCALL zend_jit_invalid_property_write(zval *container, const char *property_name)
{
zend_throw_error(NULL,
"Attempt to modify property \"%s\" on %s",
property_name, zend_zval_value_name(container));
}
static void ZEND_FASTCALL zend_jit_invalid_property_incdec(zval *container, const char *property_name)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
if (Z_TYPE_P(container) == IS_UNDEF && opline->op1_type == IS_CV) {
zend_string *cv = EX(func)->op_array.vars[EX_VAR_TO_NUM(opline->op1.var)];
zend_error_unchecked(E_WARNING, "Undefined variable $%S", cv);
}
if (opline->result_type & (IS_VAR|IS_TMP_VAR)) {
ZVAL_UNDEF(EX_VAR(opline->result.var));
}
zend_throw_error(NULL,
"Attempt to increment/decrement property \"%s\" on %s",
property_name, zend_zval_value_name(container));
if (opline->op1_type == IS_VAR) {
zval_ptr_dtor_nogc(EX_VAR(opline->op1.var));
}
}
static void ZEND_FASTCALL zend_jit_invalid_property_assign(zval *container, const char *property_name)
{
zend_throw_error(NULL,
"Attempt to assign property \"%s\" on %s",
property_name, zend_zval_value_name(container));
}
static void ZEND_FASTCALL zend_jit_invalid_property_assign_op(zval *container, const char *property_name)
{
if (Z_TYPE_P(container) == IS_UNDEF) {
const zend_execute_data *execute_data = EG(current_execute_data);
zend_jit_undefined_op_helper(EX(opline)->op1.var);
}
zend_jit_invalid_property_assign(container, property_name);
}
static zval * ZEND_FASTCALL zend_jit_prepare_assign_dim_ref(zval *ref) {
zval *val = Z_REFVAL_P(ref);
if (Z_TYPE_P(val) <= IS_FALSE) {
if (ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(ref))
&& !zend_verify_ref_array_assignable(Z_REF_P(ref))) {
return NULL;
}
if (Z_TYPE_P(val) == IS_FALSE) {
ZVAL_ARR(val, zend_new_array(8));
zend_false_to_array_deprecated();
if (EG(exception)) {
return NULL;
}
} else {
ZVAL_ARR(val, zend_new_array(8));
}
}
return val;
}
static void ZEND_FASTCALL zend_jit_pre_inc(zval *var_ptr, zval *ret)
{
increment_function(var_ptr);
ZVAL_COPY(ret, var_ptr);
}
static void ZEND_FASTCALL zend_jit_pre_dec(zval *var_ptr, zval *ret)
{
decrement_function(var_ptr);
ZVAL_COPY(ret, var_ptr);
}
#define HT_POISONED_PTR ((HashTable *) (intptr_t) -1)
static zend_never_inline void ZEND_FASTCALL _zend_hash_iterators_remove(HashTable *ht)
{
HashTableIterator *iter = EG(ht_iterators);
HashTableIterator *end = iter + EG(ht_iterators_used);
while (iter != end) {
if (iter->ht == ht) {
iter->ht = HT_POISONED_PTR;
}
iter++;
}
}
static void ZEND_FASTCALL zend_jit_array_free(HashTable *ht)
{
GC_REMOVE_FROM_BUFFER(ht);
if (UNEXPECTED(HT_HAS_ITERATORS(ht))) {
_zend_hash_iterators_remove(ht);
}
if (!(EXPECTED(HT_FLAGS(ht) & HASH_FLAG_UNINITIALIZED))) {
efree(HT_GET_DATA_ADDR(ht));
}
FREE_HASHTABLE(ht);
}
static HashTable *ZEND_FASTCALL zend_jit_zval_array_dup(zval *arr)
{
HashTable *ht;
Z_TRY_DELREF_P(arr);
ht = Z_ARRVAL_P(arr);
ht = zend_array_dup(ht);
ZVAL_ARR(arr, ht);
return ht;
}
static zend_array *ZEND_FASTCALL zend_jit_add_arrays_helper(zend_array *op1, zend_array *op2)
{
zend_array *res;
res = zend_array_dup(op1);
zend_hash_merge(res, op2, zval_add_ref, 0);
return res;
}
static void ZEND_FASTCALL zend_jit_assign_obj_helper(zend_object *zobj, zend_string *name, zval *value, void **cache_slot, zval *result)
{
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *op_data = EG(current_execute_data)->opline + 1;
ZEND_ASSERT(op_data->opcode == ZEND_OP_DATA && op_data->op1_type == IS_CV);
zend_jit_undefined_op_helper(op_data->op1.var);
value = &EG(uninitialized_zval);
}
ZVAL_DEREF(value);
value = zobj->handlers->write_property(zobj, name, value, cache_slot);
if (result && value) {
ZVAL_COPY_DEREF(result, value);
}
}
static zend_always_inline bool verify_readonly_and_avis(zval *property_val, zend_property_info *info, bool indirect)
{
if (UNEXPECTED(info->flags & (ZEND_ACC_READONLY|ZEND_ACC_PPP_SET_MASK))) {
if ((info->flags & ZEND_ACC_READONLY) && !(Z_PROP_FLAG_P(property_val) & IS_PROP_REINITABLE)) {
zend_readonly_property_modification_error(info);
return false;
}
if ((info->flags & ZEND_ACC_PPP_SET_MASK) && !zend_asymmetric_property_has_set_access(info)) {
const char *operation = indirect ? "indirectly modify" : "modify";
zend_asymmetric_visibility_property_modification_error(info, operation);
return false;
}
}
return true;
}
static void ZEND_FASTCALL zend_jit_assign_to_typed_prop(zval *property_val, zend_property_info *info, zval *value, zval *result)
{
zend_execute_data *execute_data = EG(current_execute_data);
zend_refcounted *garbage = NULL;
zval tmp;
if (UNEXPECTED(Z_TYPE_P(value) == IS_UNDEF)) {
const zend_op *op_data = execute_data->opline + 1;
ZEND_ASSERT(op_data->opcode == ZEND_OP_DATA && op_data->op1_type == IS_CV);
zend_jit_undefined_op_helper(op_data->op1.var);
value = &EG(uninitialized_zval);
}
if (UNEXPECTED(!verify_readonly_and_avis(property_val, info, false))) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
ZVAL_DEREF(value);
ZVAL_COPY(&tmp, value);
if (UNEXPECTED(!zend_verify_property_type(info, &tmp, EX_USES_STRICT_TYPES()))) {
zval_ptr_dtor(&tmp);
if (result) {
ZVAL_NULL(result);
}
return;
}
Z_PROP_FLAG_P(property_val) &= ~IS_PROP_REINITABLE;
value = zend_assign_to_variable_ex(property_val, &tmp, IS_TMP_VAR, EX_USES_STRICT_TYPES(), &garbage);
if (result) {
ZVAL_COPY_DEREF(result, value);
}
if (garbage) {
GC_DTOR(garbage);
}
}
static zend_never_inline void _zend_jit_assign_op_overloaded_property(zend_object *object, zend_string *name, void **cache_slot, zval *value, binary_op_type binary_op)
{
zval *z;
zval rv, res;
GC_ADDREF(object);
z = object->handlers->read_property(object, name, BP_VAR_R, cache_slot, &rv);
if (UNEXPECTED(EG(exception))) {
OBJ_RELEASE(object);
//??? if (UNEXPECTED(RETURN_VALUE_USED(opline))) {
//??? ZVAL_UNDEF(EX_VAR(opline->result.var));
//??? }
return;
}
if (binary_op(&res, z, value) == SUCCESS) {
object->handlers->write_property(object, name, &res, cache_slot);
}
//??? if (UNEXPECTED(RETURN_VALUE_USED(opline))) {
//??? ZVAL_COPY(EX_VAR(opline->result.var), &res);
//??? }
if (z == &rv) {
zval_ptr_dtor(z);
}
zval_ptr_dtor(&res);
OBJ_RELEASE(object);
}
static void ZEND_FASTCALL zend_jit_assign_op_to_typed_prop(zval *zptr, zend_property_info *prop_info, zval *value, binary_op_type binary_op)
{
zend_execute_data *execute_data = EG(current_execute_data);
zval z_copy;
if (UNEXPECTED(!verify_readonly_and_avis(zptr, prop_info, true))) {
return;
}
ZVAL_DEREF(zptr);
/* Make sure that in-place concatenation is used if the LHS is a string. */
if (binary_op == concat_function && Z_TYPE_P(zptr) == IS_STRING) {
concat_function(zptr, zptr, value);
ZEND_ASSERT(Z_TYPE_P(zptr) == IS_STRING && "Concat should return string");
return;
}
binary_op(&z_copy, zptr, value);
if (EXPECTED(zend_verify_property_type(prop_info, &z_copy, EX_USES_STRICT_TYPES()))) {
Z_PROP_FLAG_P(zptr) &= ~IS_PROP_REINITABLE;
zval_ptr_dtor(zptr);
ZVAL_COPY_VALUE(zptr, &z_copy);
} else {
zval_ptr_dtor(&z_copy);
}
}
static void ZEND_FASTCALL zend_jit_assign_obj_op_helper(zend_object *zobj, zend_string *name, zval *value, void **cache_slot, binary_op_type binary_op)
{
zval *zptr;
zend_property_info *prop_info;
if (EXPECTED((zptr = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_RW, cache_slot)) != NULL)) {
if (UNEXPECTED(Z_ISERROR_P(zptr))) {
//??? if (UNEXPECTED(RETURN_VALUE_USED(opline))) {
//??? ZVAL_NULL(EX_VAR(opline->result.var));
//??? }
} else {
//??? zval *orig_zptr = zptr;
zend_reference *ref;
do {
if (UNEXPECTED(Z_ISREF_P(zptr))) {
ref = Z_REF_P(zptr);
zptr = Z_REFVAL_P(zptr);
if (UNEXPECTED(ZEND_REF_HAS_TYPE_SOURCES(ref))) {
zend_jit_assign_op_to_typed_ref(ref, value, binary_op);
break;
}
}
//??? if (OP2_TYPE == IS_CONST) {
prop_info = (zend_property_info*)CACHED_PTR_EX(cache_slot + 2);
//??? } else {
//??? prop_info = zend_object_fetch_property_type_info(Z_OBJ_P(object), orig_zptr);
//??? }
if (prop_info) {
/* special case for typed properties */
zend_jit_assign_op_to_typed_prop(zptr, prop_info, value, binary_op);
} else {
binary_op(zptr, zptr, value);
}
} while (0);
//??? if (UNEXPECTED(RETURN_VALUE_USED(opline))) {
//??? ZVAL_COPY(EX_VAR(opline->result.var), zptr);
//??? }
}
} else {
_zend_jit_assign_op_overloaded_property(zobj, name, cache_slot, value, binary_op);
}
}
static ZEND_COLD zend_long _zend_jit_throw_inc_prop_error(zend_property_info *prop)
{
zend_string *type_str = zend_type_to_string(prop->type);
zend_type_error("Cannot increment property %s::$%s of type %s past its maximal value",
ZSTR_VAL(prop->ce->name),
zend_get_unmangled_property_name(prop->name),
ZSTR_VAL(type_str));
zend_string_release(type_str);
return ZEND_LONG_MAX;
}
static ZEND_COLD zend_long _zend_jit_throw_dec_prop_error(zend_property_info *prop)
{
zend_string *type_str = zend_type_to_string(prop->type);
zend_type_error("Cannot decrement property %s::$%s of type %s past its minimal value",
ZSTR_VAL(prop->ce->name),
zend_get_unmangled_property_name(prop->name),
ZSTR_VAL(type_str));
zend_string_release(type_str);
return ZEND_LONG_MIN;
}
static void ZEND_FASTCALL zend_jit_inc_typed_prop(zval *var_ptr, zend_property_info *prop_info)
{
ZEND_ASSERT(Z_TYPE_P(var_ptr) != IS_UNDEF);
if (UNEXPECTED(!verify_readonly_and_avis(var_ptr, prop_info, true))) {
return;
}
zend_execute_data *execute_data = EG(current_execute_data);
zval tmp;
ZVAL_DEREF(var_ptr);
ZVAL_COPY(&tmp, var_ptr);
increment_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
if (!(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_inc_prop_error(prop_info);
ZVAL_LONG(var_ptr, val);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
} else if (UNEXPECTED(!zend_verify_property_type(prop_info, var_ptr, EX_USES_STRICT_TYPES()))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, &tmp);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
zval_ptr_dtor(&tmp);
}
}
static void ZEND_FASTCALL zend_jit_dec_typed_prop(zval *var_ptr, zend_property_info *prop_info)
{
ZEND_ASSERT(Z_TYPE_P(var_ptr) != IS_UNDEF);
if (UNEXPECTED(!verify_readonly_and_avis(var_ptr, prop_info, true))) {
return;
}
zend_execute_data *execute_data = EG(current_execute_data);
zval tmp;
ZVAL_DEREF(var_ptr);
ZVAL_COPY(&tmp, var_ptr);
decrement_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE(tmp) == IS_LONG) {
if (!(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_dec_prop_error(prop_info);
ZVAL_LONG(var_ptr, val);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
} else if (UNEXPECTED(!zend_verify_property_type(prop_info, var_ptr, EX_USES_STRICT_TYPES()))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, &tmp);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
zval_ptr_dtor(&tmp);
}
}
static void ZEND_FASTCALL zend_jit_pre_inc_typed_prop(zval *var_ptr, zend_property_info *prop_info, zval *result)
{
ZVAL_DEREF(var_ptr);
zend_jit_inc_typed_prop(var_ptr, prop_info);
ZVAL_COPY(result, var_ptr);
}
static void ZEND_FASTCALL zend_jit_pre_dec_typed_prop(zval *var_ptr, zend_property_info *prop_info, zval *result)
{
ZVAL_DEREF(var_ptr);
zend_jit_dec_typed_prop(var_ptr, prop_info);
ZVAL_COPY(result, var_ptr);
}
static void ZEND_FASTCALL zend_jit_post_inc_typed_prop(zval *var_ptr, zend_property_info *prop_info, zval *result)
{
ZEND_ASSERT(Z_TYPE_P(var_ptr) != IS_UNDEF);
if (UNEXPECTED(!verify_readonly_and_avis(var_ptr, prop_info, true))) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
zend_execute_data *execute_data = EG(current_execute_data);
ZVAL_DEREF(var_ptr);
ZVAL_COPY(result, var_ptr);
increment_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(result) == IS_LONG) {
if (!(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_inc_prop_error(prop_info);
ZVAL_LONG(var_ptr, val);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
} else if (UNEXPECTED(!zend_verify_property_type(prop_info, var_ptr, EX_USES_STRICT_TYPES()))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, result);
ZVAL_UNDEF(result);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
}
static void ZEND_FASTCALL zend_jit_post_dec_typed_prop(zval *var_ptr, zend_property_info *prop_info, zval *result)
{
ZEND_ASSERT(Z_TYPE_P(var_ptr) != IS_UNDEF);
if (UNEXPECTED(!verify_readonly_and_avis(var_ptr, prop_info, true))) {
if (result) {
ZVAL_UNDEF(result);
}
return;
}
zend_execute_data *execute_data = EG(current_execute_data);
ZVAL_DEREF(var_ptr);
ZVAL_COPY(result, var_ptr);
decrement_function(var_ptr);
if (UNEXPECTED(Z_TYPE_P(var_ptr) == IS_DOUBLE) && Z_TYPE_P(result) == IS_LONG) {
if (!(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_dec_prop_error(prop_info);
ZVAL_LONG(var_ptr, val);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
} else if (UNEXPECTED(!zend_verify_property_type(prop_info, var_ptr, EX_USES_STRICT_TYPES()))) {
zval_ptr_dtor(var_ptr);
ZVAL_COPY_VALUE(var_ptr, result);
ZVAL_UNDEF(result);
} else {
Z_PROP_FLAG_P(var_ptr) &= ~IS_PROP_REINITABLE;
}
}
static void ZEND_FASTCALL zend_jit_pre_inc_obj_helper(zend_object *zobj, zend_string *name, void **cache_slot, zval *result)
{
zval *prop;
if (EXPECTED((prop = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_RW, cache_slot)) != NULL)) {
if (UNEXPECTED(Z_ISERROR_P(prop))) {
if (UNEXPECTED(result)) {
ZVAL_NULL(result);
}
} else {
zend_property_info *prop_info = (zend_property_info *) CACHED_PTR_EX(cache_slot + 2);
if (EXPECTED(Z_TYPE_P(prop) == IS_LONG)) {
fast_long_increment_function(prop);
if (UNEXPECTED(Z_TYPE_P(prop) != IS_LONG) && prop_info
&& !(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_inc_prop_error(prop_info);
ZVAL_LONG(prop, val);
}
} else {
do {
if (Z_ISREF_P(prop)) {
zend_reference *ref = Z_REF_P(prop);
prop = Z_REFVAL_P(prop);
if (UNEXPECTED(ZEND_REF_HAS_TYPE_SOURCES(ref))) {
zend_jit_pre_inc_typed_ref(ref, result);
break;
}
}
if (prop_info) {
zend_jit_inc_typed_prop(prop, prop_info);
} else {
increment_function(prop);
}
} while (0);
}
if (UNEXPECTED(result)) {
ZVAL_COPY(result, prop);
}
}
} else {
zval rv;
zval *z;
zval z_copy;
GC_ADDREF(zobj);
z = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, &rv);
if (UNEXPECTED(EG(exception))) {
OBJ_RELEASE(zobj);
if (UNEXPECTED(result)) {
ZVAL_NULL(result);
}
return;
}
ZVAL_COPY_DEREF(&z_copy, z);
increment_function(&z_copy);
if (UNEXPECTED(result)) {
ZVAL_COPY(result, &z_copy);
}
zobj->handlers->write_property(zobj, name, &z_copy, cache_slot);
OBJ_RELEASE(zobj);
zval_ptr_dtor(&z_copy);
if (z == &rv) {
zval_ptr_dtor(z);
}
}
}
static void ZEND_FASTCALL zend_jit_pre_dec_obj_helper(zend_object *zobj, zend_string *name, void **cache_slot, zval *result)
{
zval *prop;
if (EXPECTED((prop = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_RW, cache_slot)) != NULL)) {
if (UNEXPECTED(Z_ISERROR_P(prop))) {
if (UNEXPECTED(result)) {
ZVAL_NULL(result);
}
} else {
zend_property_info *prop_info = (zend_property_info *) CACHED_PTR_EX(cache_slot + 2);
if (EXPECTED(Z_TYPE_P(prop) == IS_LONG)) {
fast_long_decrement_function(prop);
if (UNEXPECTED(Z_TYPE_P(prop) != IS_LONG) && prop_info
&& !(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_dec_prop_error(prop_info);
ZVAL_LONG(prop, val);
}
} else {
do {
if (Z_ISREF_P(prop)) {
zend_reference *ref = Z_REF_P(prop);
prop = Z_REFVAL_P(prop);
if (UNEXPECTED(ZEND_REF_HAS_TYPE_SOURCES(ref))) {
zend_jit_pre_dec_typed_ref(ref, result);
break;
}
}
if (prop_info) {
zend_jit_dec_typed_prop(prop, prop_info);
} else {
decrement_function(prop);
}
} while (0);
}
if (UNEXPECTED(result)) {
ZVAL_COPY(result, prop);
}
}
} else {
zval rv;
zval *z;
zval z_copy;
GC_ADDREF(zobj);
z = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, &rv);
if (UNEXPECTED(EG(exception))) {
OBJ_RELEASE(zobj);
if (UNEXPECTED(result)) {
ZVAL_NULL(result);
}
return;
}
ZVAL_COPY_DEREF(&z_copy, z);
decrement_function(&z_copy);
if (UNEXPECTED(result)) {
ZVAL_COPY(result, &z_copy);
}
zobj->handlers->write_property(zobj, name, &z_copy, cache_slot);
OBJ_RELEASE(zobj);
zval_ptr_dtor(&z_copy);
if (z == &rv) {
zval_ptr_dtor(z);
}
}
}
static void ZEND_FASTCALL zend_jit_post_inc_obj_helper(zend_object *zobj, zend_string *name, void **cache_slot, zval *result)
{
zval *prop;
if (EXPECTED((prop = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_RW, cache_slot)) != NULL)) {
if (UNEXPECTED(Z_ISERROR_P(prop))) {
ZVAL_NULL(result);
} else {
zend_property_info *prop_info = (zend_property_info*)CACHED_PTR_EX(cache_slot + 2);
if (EXPECTED(Z_TYPE_P(prop) == IS_LONG)) {
ZVAL_LONG(result, Z_LVAL_P(prop));
fast_long_increment_function(prop);
if (UNEXPECTED(Z_TYPE_P(prop) != IS_LONG) && prop_info
&& !(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_inc_prop_error(prop_info);
ZVAL_LONG(prop, val);
}
} else {
if (Z_ISREF_P(prop)) {
zend_reference *ref = Z_REF_P(prop);
prop = Z_REFVAL_P(prop);
if (ZEND_REF_HAS_TYPE_SOURCES(ref)) {
zend_jit_post_inc_typed_ref(ref, result);
return;
}
}
if (prop_info) {
zend_jit_post_inc_typed_prop(prop, prop_info, result);
} else {
ZVAL_COPY(result, prop);
increment_function(prop);
}
}
}
} else {
zval rv;
zval *z;
zval z_copy;
GC_ADDREF(zobj);
z = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, &rv);
if (UNEXPECTED(EG(exception))) {
OBJ_RELEASE(zobj);
ZVAL_UNDEF(result);
return;
}
ZVAL_COPY_DEREF(&z_copy, z);
ZVAL_COPY(result, &z_copy);
increment_function(&z_copy);
zobj->handlers->write_property(zobj, name, &z_copy, cache_slot);
OBJ_RELEASE(zobj);
zval_ptr_dtor(&z_copy);
if (z == &rv) {
zval_ptr_dtor(z);
}
}
}
static void ZEND_FASTCALL zend_jit_post_dec_obj_helper(zend_object *zobj, zend_string *name, void **cache_slot, zval *result)
{
zval *prop;
if (EXPECTED((prop = zobj->handlers->get_property_ptr_ptr(zobj, name, BP_VAR_RW, cache_slot)) != NULL)) {
if (UNEXPECTED(Z_ISERROR_P(prop))) {
ZVAL_NULL(result);
} else {
zend_property_info *prop_info = (zend_property_info*)CACHED_PTR_EX(cache_slot + 2);
if (EXPECTED(Z_TYPE_P(prop) == IS_LONG)) {
ZVAL_LONG(result, Z_LVAL_P(prop));
fast_long_decrement_function(prop);
if (UNEXPECTED(Z_TYPE_P(prop) != IS_LONG) && prop_info
&& !(ZEND_TYPE_FULL_MASK(prop_info->type) & MAY_BE_DOUBLE)) {
zend_long val = _zend_jit_throw_dec_prop_error(prop_info);
ZVAL_LONG(prop, val);
}
} else {
if (Z_ISREF_P(prop)) {
zend_reference *ref = Z_REF_P(prop);
prop = Z_REFVAL_P(prop);
if (ZEND_REF_HAS_TYPE_SOURCES(ref)) {
zend_jit_post_dec_typed_ref(ref, result);
return;
}
}
if (prop_info) {
zend_jit_post_dec_typed_prop(prop, prop_info, result);
} else {
ZVAL_COPY(result, prop);
decrement_function(prop);
}
}
}
} else {
zval rv;
zval *z;
zval z_copy;
GC_ADDREF(zobj);
z = zobj->handlers->read_property(zobj, name, BP_VAR_R, cache_slot, &rv);
if (UNEXPECTED(EG(exception))) {
OBJ_RELEASE(zobj);
ZVAL_UNDEF(result);
return;
}
ZVAL_COPY_DEREF(&z_copy, z);
ZVAL_COPY(result, &z_copy);
decrement_function(&z_copy);
zobj->handlers->write_property(zobj, name, &z_copy, cache_slot);
OBJ_RELEASE(zobj);
zval_ptr_dtor(&z_copy);
if (z == &rv) {
zval_ptr_dtor(z);
}
}
}
static void ZEND_FASTCALL zend_jit_uninit_static_prop(void)
{
zend_execute_data *execute_data = EG(current_execute_data);
const zend_op *opline = EX(opline);
uint32_t cache_slot = opline->extended_value & ~ZEND_FETCH_OBJ_FLAGS;
const zend_property_info *property_info = CACHED_PTR(cache_slot + sizeof(void *) * 2);
zend_throw_error(NULL, "Typed static property %s::$%s must not be accessed before initialization",
ZSTR_VAL(property_info->ce->name),
zend_get_unmangled_property_name(property_info->name));
}
static void ZEND_FASTCALL zend_jit_free_trampoline_helper(zend_function *func)
{
ZEND_ASSERT(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE);
zend_string_release_ex(func->common.function_name, 0);
zend_free_trampoline(func);
}
static void ZEND_FASTCALL zend_jit_exception_in_interrupt_handler_helper(void)
{
if (EG(exception)) {
/* We have to UNDEF result, because ZEND_HANDLE_EXCEPTION is going to free it */
const zend_op *throw_op = EG(opline_before_exception);
if (throw_op
&& throw_op->result_type & (IS_TMP_VAR|IS_VAR)
&& throw_op->opcode != ZEND_ADD_ARRAY_ELEMENT
&& throw_op->opcode != ZEND_ADD_ARRAY_UNPACK
&& throw_op->opcode != ZEND_ROPE_INIT
&& throw_op->opcode != ZEND_ROPE_ADD) {
ZVAL_UNDEF(ZEND_CALL_VAR(EG(current_execute_data), throw_op->result.var));
}
}
}
static zend_string* ZEND_FASTCALL zend_jit_rope_end(zend_string **rope, uint32_t count)
{
zend_string *ret;
uint32_t i;
size_t len = 0;
uint32_t flags = ZSTR_COPYABLE_CONCAT_PROPERTIES;
for (i = 0; i <= count; i++) {
flags &= ZSTR_GET_COPYABLE_CONCAT_PROPERTIES(rope[i]);
len += ZSTR_LEN(rope[i]);
}
ret = zend_string_alloc(len, 0);
GC_ADD_FLAGS(ret, flags);
char *target = ZSTR_VAL(ret);
for (i = 0; i <= count; i++) {
target = zend_mempcpy(target, ZSTR_VAL(rope[i]), ZSTR_LEN(rope[i]));
zend_string_release_ex(rope[i], 0);
}
*target = '\0';
return ret;
}