SECTIONS { . = 0x00000000; .rom : { *(.rom) } . = 0x00001000; .text : { *(.text) } .rodata ALIGN(4) : { *(.rodata) } .data ALIGN(4) : { *(.data) } __bss_start = .; .bss ALIGN(4) : { *(.bss) } __bss_end = .; __heap_start = (__bss_end + 0xfff) & 0xff000; }