SetSymbolValue(CONTROL_STACK_START,(lispobj)th->control_stack_start,th);
SetSymbolValue(CONTROL_STACK_END,(lispobj)th->control_stack_end,th);
#if defined(LISP_FEATURE_X86) || defined (LISP_FEATURE_X86_64)
SetSymbolValue(CONTROL_STACK_START,(lispobj)th->control_stack_start,th);
SetSymbolValue(CONTROL_STACK_END,(lispobj)th->control_stack_end,th);
#if defined(LISP_FEATURE_X86) || defined (LISP_FEATURE_X86_64)