/* * This file was a very early example, written by consulting [1]. It was * useful primarily to see how the GNU assembler handles these opcodes, to * better understand the encoding. * * [1] https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html * * * gcc -o quine -nostartfiles -nostdlib quine.S && ./quine ; echo $? * * or * * as -o quine.o quine.S && ld -s -o quine quine.o && ./quine; echo $? * * Can't use nasm, nasm is 32-bit only. */ .text .global _start _start: //mov $60, %rax //mov $42, %rdi mov $60, %eax mov $42, %edi syscall