write message with system call

Author: brgman

ex2

@@ -0,0 +1,17 @@
+
+global _start
+
+section .data
+	msg db "Hello, world!", 0x0a
+	len equ $ - msg
+
+section .text
+_start:
+	mov eax, 4		; sys_write system call
+	mov ebx, 1		; stdout file descriptor
+	mov ecx, msg	; bytes to write
+	mov edx, len	; number of bytes to write
+	int 0x80		; perform system call
+	mov eax, 1		; sys_exit system call
+	mov ebx, 0		; exit status is 0
+	int 0x80