define symbol ICFEDIT_region_DATAROM_start = 0x0800 4000;
define symbol ICFEDIT_region_DATAROM_end = 0x0800 7FFF;
define region DATA_region = mem:[from ICFEDIT_region_DATAROM_start to
ICFEDIT_region_DATAROM_end ];
place in DATA_region { readonly section .rom_data };