php-src/Zend/zend_vm_execute.skl

{%DEFINES%}

ZEND_API void {%EXECUTOR_NAME%}_ex(zend_execute_data *ex)
{
	DCL_OPLINE

	{%HELPER_VARS%}

	{%INTERNAL_LABELS%}

	LOAD_OPLINE();
	ZEND_VM_LOOP_INTERRUPT_CHECK();

	while (1) {
		{%ZEND_VM_CONTINUE_LABEL%}
		{%ZEND_VM_DISPATCH%} {
			{%INTERNAL_EXECUTOR%}
		}

	}
	zend_error_noreturn(E_CORE_ERROR, "Arrived at end of main loop which shouldn't happen");
}

ZEND_API void zend_{%EXECUTOR_NAME%}(zend_op_array *op_array, zval *return_value)
{
	zend_execute_data *execute_data;

	if (EG(exception) != NULL) {
		return;
	}

	execute_data = zend_vm_stack_push_call_frame(ZEND_CALL_TOP_CODE | ZEND_CALL_HAS_SYMBOL_TABLE,
		(zend_function*)op_array, 0, zend_get_called_scope(EG(current_execute_data)), zend_get_this_object(EG(current_execute_data)));
	if (EG(current_execute_data)) {
		execute_data->symbol_table = zend_rebuild_symbol_table();
	} else {
		execute_data->symbol_table = &EG(symbol_table);
	}
	EX(prev_execute_data) = EG(current_execute_data);
	i_init_code_execute_data(execute_data, op_array, return_value);
	zend_{%EXECUTOR_NAME%}_ex(execute_data);
	zend_vm_stack_free_call_frame(execute_data);
}

{%EXTERNAL_EXECUTOR%}

void {%INITIALIZER_NAME%}(void)
{
	{%EXTERNAL_LABELS%}
}

static HashTable *zend_handlers_table = NULL;

static void init_opcode_serialiser(void)
{
	int i;
	zval tmp;

	zend_handlers_table = malloc(sizeof(HashTable));
	zend_hash_init_ex(zend_handlers_table, zend_handlers_count, NULL, NULL, 1, 0);
	zend_hash_real_init(zend_handlers_table, 0);
	Z_TYPE_INFO(tmp) = IS_LONG;
	for (i = 0; i < zend_handlers_count; i++) {
		Z_LVAL(tmp) = i;
		zend_hash_index_add(zend_handlers_table, (zend_long)(zend_uintptr_t)zend_opcode_handlers[i], &tmp);
	}
}

ZEND_API void zend_serialize_opcode_handler(zend_op *op)
{
	zval *zv;

	if (!zend_handlers_table) {
		init_opcode_serialiser();
	}
	zv = zend_hash_index_find(zend_handlers_table, (zend_long)(zend_uintptr_t)op->handler);
	ZEND_ASSERT(zv != NULL);
	op->handler = (const void *)(zend_uintptr_t)Z_LVAL_P(zv);
}

ZEND_API void zend_deserialize_opcode_handler(zend_op *op)
{
	op->handler = zend_opcode_handlers[(zend_uintptr_t)op->handler];
}

ZEND_API const void *zend_get_opcode_handler_func(const zend_op *op)
{
#if ZEND_VM_KIND == ZEND_VM_KIND_CALL
	return op->handler;
#elif ZEND_VM_KIND == ZEND_VM_KIND_HYBRID
	zval *zv;

	if (!zend_handlers_table) {
		init_opcode_serialiser();
	}
	zv = zend_hash_index_find(zend_handlers_table, (zend_long)(zend_uintptr_t)op->handler);
	ZEND_ASSERT(zv != NULL);
	return zend_opcode_handler_funcs[Z_LVAL_P(zv)];
#else
	return NULL;
#endif
}

ZEND_API const zend_op *zend_get_halt_op(void)
{
#if ZEND_VM_KIND == ZEND_VM_KIND_HYBRID
	return &hybrid_halt_op;
#else
	return NULL;
#endif
}

ZEND_API int zend_vm_kind(void)
{
	return ZEND_VM_KIND;
}