1 		.CODE

     2 

     3 PUBLIC	_get_save_esp

     4 _get_save_esp:

     5 		MOV	RAX,RSP

     6 		RET

     7 

     8 PUBLIC	_rdtsc

     9 _rdtsc:

    10 		RDTSC

    11 		MOV RCX,RDX

    12 		SHL RCX,32

    13 		AND RAX,0FFFFFFFFh

    14 		OR  RAX,RCX

    15 		RET

    16 

    17 		END