1	;; library functions for rdtmain - test of rdx linking and execution
2
3	;; library function = _strcmp, defined as in C
4
5[SECTION .text]
6[BITS 32]
7
8[GLOBAL _strcmp]
9_strcmp:
10	push ebp
11	mov ebp,esp
12
13	;; ebp+8 = first paramater, ebp+12 = second
14
15	mov esi,[ebp+8]
16	mov edi,[ebp+12]
17
18.loop:
19	mov cl,byte [esi]
20	mov dl,byte [edi]
21	cmp cl,dl
22	jb .below
23	ja .above
24	or cl,cl
25	jz .match
26	inc esi
27	inc edi
28	jmp .loop
29
30.below:	
31	mov eax,-1
32	pop ebp
33	ret
34	
35.above:
36	mov eax,1
37	pop ebp
38	ret
39
40.match:
41	xor eax,eax
42	pop ebp
43	ret
44
45[SECTION .data]
46[GLOBAL _message]
47
48_message:	db 'hello',0