/** MCS51 specific features. */#ifndef __SDC51_ASM_MCS51_FEATURES_H#define __SDC51_ASM_MCS51_FEATURES_H   1#define _REENTRANT	reentrant#define _CODE		code/* define _AUTOMEM to indicate the default storage class for   automatic variables. To be used with pointers to automatic variables.   Cannot be used in reentrant declared functions!   void foo(void)   {     char Ar[10];     char _AUTOMEM * pAr = Ar;   }*/#if defined(SDCC_STACK_AUTO)  #if defined(SDCC_USE_XSTACK)    #define _AUTOMEM pdata  #else    #define _AUTOMEM idata  #endif#elif defined(SDCC_MODEL_SMALL)  #define _AUTOMEM data#elif defined(SDCC_MODEL_MEDIUM)  #define _AUTOMEM pdata#else  #define _AUTOMEM xdata#endif/* define _STATMEM to indicate the default storage class for   global/static variables. To be used with pointers to static variables.   char Ar[10];   void foo(void)   {     char _STATMEM * pAr = Ar;   }*/#if defined(SDCC_MODEL_SMALL)  #define _STATMEM data#elif defined(SDCC_MODEL_MEDIUM)  #define _STATMEM pdata#else  #define _STATMEM xdata#endif#endif