mirror of
https://github.com/php/php-src.git
synced 2024-09-23 19:07:26 +00:00
121 lines
3.8 KiB
Plaintext
121 lines
3.8 KiB
Plaintext
{%DEFINES%}
|
|
|
|
zend_execute_data *zend_create_execute_data_from_op_array(zend_op_array *op_array, zend_bool nested TSRMLS_DC) {
|
|
zend_execute_data *execute_data;
|
|
|
|
/*
|
|
* When allocating the execute_data, memory for compiled variables and
|
|
* temporary variables is also allocated after the actual zend_execute_data
|
|
* struct. op_array->last_var specifies the number of compiled variables and
|
|
* op_array->T is the number of temporary variables. If there is no symbol
|
|
* table, then twice as much memory is allocated for compiled variables.
|
|
* In that case the first half contains zval**s and the second half the
|
|
* actual zval*s (which would otherwise be in the symbol table).
|
|
*/
|
|
size_t execute_data_size = ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data));
|
|
size_t CVs_size = ZEND_MM_ALIGNED_SIZE(sizeof(zval **) * op_array->last_var * (EG(active_symbol_table) ? 1 : 2));
|
|
size_t Ts_size = ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)) * op_array->T;
|
|
size_t total_size = execute_data_size + CVs_size + Ts_size;
|
|
|
|
/*
|
|
* Normally the execute_data is allocated on the VM stack (because it does
|
|
* not actually do any allocation and thus is faster). For generators
|
|
* though this behavior would be suboptimal, because the (rather large)
|
|
* structure would have to be copied back and forth every time execution is
|
|
* suspended or resumed. That's why for generators the execution context
|
|
* is allocated using emalloc, thus allowing to save and restore it simply
|
|
* by replacing a pointer.
|
|
*/
|
|
if (op_array->fn_flags & ZEND_ACC_GENERATOR) {
|
|
execute_data = emalloc(total_size);
|
|
} else {
|
|
execute_data = zend_vm_stack_alloc(total_size TSRMLS_CC);
|
|
}
|
|
|
|
EX(CVs) = (zval ***) ((char *) execute_data + execute_data_size);
|
|
memset(EX(CVs), 0, sizeof(zval **) * op_array->last_var);
|
|
|
|
EX(Ts) = (temp_variable *) ((char *) EX(CVs) + CVs_size);
|
|
|
|
EX(fbc) = NULL;
|
|
EX(called_scope) = NULL;
|
|
EX(object) = NULL;
|
|
EX(old_error_reporting) = NULL;
|
|
EX(op_array) = op_array;
|
|
EX(symbol_table) = EG(active_symbol_table);
|
|
EX(prev_execute_data) = EG(current_execute_data);
|
|
EG(current_execute_data) = execute_data;
|
|
EX(nested) = nested;
|
|
EX(leaving) = 0;
|
|
|
|
if (!op_array->run_time_cache && op_array->last_cache_slot) {
|
|
op_array->run_time_cache = ecalloc(op_array->last_cache_slot, sizeof(void*));
|
|
}
|
|
|
|
if (op_array->this_var != -1 && EG(This)) {
|
|
Z_ADDREF_P(EG(This)); /* For $this pointer */
|
|
if (!EG(active_symbol_table)) {
|
|
EX(CVs)[op_array->this_var] = (zval **) EX(CVs) + op_array->last_var + op_array->this_var;
|
|
*EX(CVs)[op_array->this_var] = EG(This);
|
|
} else {
|
|
if (zend_hash_add(EG(active_symbol_table), "this", sizeof("this"), &EG(This), sizeof(zval *), (void **) &EX(CVs)[op_array->this_var])==FAILURE) {
|
|
Z_DELREF_P(EG(This));
|
|
}
|
|
}
|
|
}
|
|
|
|
EX(opline) = UNEXPECTED((op_array->fn_flags & ZEND_ACC_INTERACTIVE) != 0) && EG(start_op) ? EG(start_op) : op_array->opcodes;
|
|
EG(opline_ptr) = &EX(opline);
|
|
|
|
EX(function_state).function = (zend_function *) op_array;
|
|
EX(function_state).arguments = NULL;
|
|
|
|
return execute_data;
|
|
}
|
|
|
|
ZEND_API void {%EXECUTOR_NAME%}_ex(zend_execute_data *execute_data TSRMLS_DC)
|
|
{
|
|
DCL_OPLINE
|
|
zend_bool original_in_execution;
|
|
|
|
{%HELPER_VARS%}
|
|
|
|
{%INTERNAL_LABELS%}
|
|
|
|
original_in_execution = EG(in_execution);
|
|
EG(in_execution) = 1;
|
|
|
|
LOAD_REGS();
|
|
LOAD_OPLINE();
|
|
|
|
while (1) {
|
|
{%ZEND_VM_CONTINUE_LABEL%}
|
|
#ifdef ZEND_WIN32
|
|
if (EG(timed_out)) {
|
|
zend_timeout(0);
|
|
}
|
|
#endif
|
|
|
|
{%ZEND_VM_DISPATCH%} {
|
|
{%INTERNAL_EXECUTOR%}
|
|
}
|
|
|
|
}
|
|
zend_error_noreturn(E_ERROR, "Arrived at end of main loop which shouldn't happen");
|
|
}
|
|
|
|
ZEND_API void {%EXECUTOR_NAME%}(zend_op_array *op_array TSRMLS_DC)
|
|
{
|
|
if (EG(exception)) {
|
|
return;
|
|
}
|
|
{%EXECUTOR_NAME%}_ex(zend_create_execute_data_from_op_array(op_array, 0 TSRMLS_CC) TSRMLS_CC);
|
|
}
|
|
|
|
{%EXTERNAL_EXECUTOR%}
|
|
|
|
void {%INITIALIZER_NAME%}(void)
|
|
{
|
|
{%EXTERNAL_LABELS%}
|
|
}
|