Version:
.DB    __DAY__,__MONTH__,__YEAR__,__HOUR__,__MINUTE__,__SECOND__        ;версия ПО

asm("Version: .DB DAY__,__MONTH__,__YEAR__,__HOUR__,__MINUTE__,__SECOND");

uart_puts(__DATE__); // вывели дату прошивки в порт
uart_putc(' ');
uart_puts(__TIME__); // вывели время прошивки в порт

volatile const char fw_name[5] PROGMEM = "xxxx";

const char name_fw[5] PROGMEM = "xxxx";
__attribute__ ((used (name_fw)));

const char name_fw[5] PROGMEM = "xxxx";
__attribute__ ((section (".init3")));
KEEP(*(".init3"));

const char __attribute__ ((section (".init3"))) name_fw[5] = "xxxx";
KEEP(*(".init3"));

.PHONY: FORCE
FORCE:

timestamp.o: FORCE

%.o: %.c
    $(CC) ...

$(OBJ): makefile

*(.text)
KEEP(*(.text))

__attribute__ ((section (".fw_version")))
const char name_fw[] = "xxxx";

*(.text)
/*тут где-то еще должно быть*/  *(.text.*)
KEEP(*(.fw_version))

*(.text)
/*тут где-то еще должно быть*/  *(.text.*)
KEEP(*(.fw_version))
. = ALIGN(2);

*(.fw_version)
KEEP(*(.fw_version))
. = ALIGN(2);

.text :
{
*(.vectors)
KEEP(*(.vectors))
*(.fw_version)
KEEP(*(.fw_version))
. = ALIGN(2);
/* For data that needs to reside in the lower 64k of progmem. */
*(.progmem.gcc*)
*(.progmem*)
. = ALIGN(2);
__trampolines_start = .;
/* The jump trampolines for the 16-bit limited relocs will reside here. */
*(.trampolines)
*(.trampolines*)
__trampolines_end = .;
/* For future tablejump instruction arrays for 3 byte pc devices.
We don't relax jump/call instructions within these sections. */
*(.jumptables)
*(.jumptables*)
/* For code that needs to reside in the lower 128k progmem. */
*(.lowtext)
*(.lowtext*)
__ctors_start = .;
*(.ctors)
__ctors_end = .;
__dtors_start = .;
*(.dtors)
__dtors_end = .;
KEEP(SORT(*)(.ctors))
KEEP(SORT(*)(.dtors))
/* From this point on, we don't bother about wether the insns are
below or above the 16 bits boundary. */
*(.init0) /* Start here after reset. */
KEEP (*(.init0))
*(.init1)
KEEP (*(.init1))
*(.init2) /* Clear __zero_reg__, set up stack pointer. */
KEEP (*(.init2))
*(.init3)
KEEP (*(.init3))
*(.init4) /* Initialize data and BSS. */
KEEP (*(.init4))
*(.init5)
KEEP (*(.init5))
*(.init6) /* C++ constructors. */
KEEP (*(.init6))
*(.init7)
KEEP (*(.init7))
*(.init8)
KEEP (*(.init8))
*(.init9) /* Call main(). */
KEEP (*(.init9))
*(.text)
. = ALIGN(2);
*(.text.*)
. = ALIGN(2);
*(.fini9) /* _exit() starts here. */
KEEP (*(.fini9))
*(.fini8)
KEEP (*(.fini8))
*(.fini7)
KEEP (*(.fini7))
*(.fini6) /* C++ destructors. */
KEEP (*(.fini6))
*(.fini5)
KEEP (*(.fini5))
*(.fini4)
KEEP (*(.fini4))
*(.fini3)
KEEP (*(.fini3))
*(.fini2)
KEEP (*(.fini2))
*(.fini1)
KEEP (*(.fini1))
*(.fini0) /* Infinite loop after program termination. */
KEEP (*(.fini0))
_etext = .;
} > text