Makefile

Makefile

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+##
+## Makefile for  in /home/le-rou_c/docs/asm_minilibc
+## 
+## Made by Lucien Le Roux
+## Login   <[email protected]>
+## 
+## Started on  Tue Feb 28 09:39:50 2017 Lucien Le Roux
+## Last update Tue Feb 28 09:43:57 2017 Lucien Le Roux
+##
+
+NAME	=	strlen
+
+SRC	=	strlen.s
+OBJ	=	$(SRC:.s=.o)
+
+CC	=	nasm -f elf64
+LD	=	ld
+
+RM	=	rm -f
+
+all:	$(NAME)
+
+
+$(NAME):	$(SRC)
+	$(CC) $(SRC) -o $(OBJ)
+	$(LD) $(OBJ) -o $(NAME)
+
+clean:
+	$(RM) $(OBJ)
+
+fclean:	clean
+	$(RM) $(NAME)
+
+re:	fclean all

strlen.s

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+section .data
+
+
+section .text
+	global _start
+
+_printRBX:
+	mov rax, 1		; sys_write
+	mov rdi, 1		; stdout
+	mov rsi, [edi]		; argv[0]
+	mov r10, 1		; longueur de la chaine 
+	syscall
+	ret
+
+_start:
+	mov rbx, rsp
+	add rbx, 32		; argv
+
+	call _printRBX
+
+	mov rax, 60
+	mov rdi, 0
+	syscall
+	ret
+