Linux Assembly Hello, world!

Linux Assembly HOWTO
Linux Assembly HOWTO - Chapter 6. Quick start

# hello.S
.text

        .globl _start

_start:
        movl    $len,   %edx
        movl    $msg,   %ecx
        movl    $1,     %ebx
        movl    $4,     %eax
        int     $0x80

        xorl    %ebx,   %ebx
        movl    $1,     %eax
        int     $0x80

.data

msg:
        .ascii  "Hello, world!\n"
        len = . - msg


# Makefile

all: hello.o
	ld -s -o hello hello.o

hello.o: hello.S
	as -o hello.o hello.S

clean:
	rm -f hello.o hello

run:
	./hello

$ make all run