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asantos2000/hello.s

Created June 26, 2019 14:52
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  1. asantos2000 created this gist Jun 26, 2019.
    23 changes: 23 additions & 0 deletions hello.s
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    Original file line number Diff line number Diff line change
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    ; /usr/local/bin/nasm -f macho64 64.asm && ld -macosx_version_min 10.7.0 -lSystem -o 64 64.o && ./64

    global start


    section .text

    start:
    mov rax, 0x2000004 ; write
    mov rdi, 1 ; stdout
    mov rsi, msg
    mov rdx, msg.len
    syscall

    mov rax, 0x2000001 ; exit
    mov rdi, 0
    syscall


    section .data

    msg: db "Hello, world!", 10
    .len: equ $ - msg