binutils-gdb/ld/testsuite/ld-scripts/sizeof.t

SECTIONS {
	.text :
	  {
	    text_start = .;
	    tmpdir/sizeof.o 
	    text_end = .;
	  }
	.data : 
	  { 
	    data_start = .;
	    . = . + SIZEOF(.text);
	    data_end = .;
	  }
	.bss :
	  {
	    . = 8;
	    *(.bss)
	  }
}

sizeof_text = SIZEOF(.text);
sizeof_data = SIZEOF(.data);