Mastering Assembly Programming

Linux

If you are on Linux, the source code will be even shorter. Open your favorite source editor, whether it is nano, emacs, or vi, or whatever, and enter the following code:

 format ELF executable 3 entry _start segment readable executable _start:    mov eax, 4    mov ebx, 1    mov ecx, message    mov edx, len    int 0x80    xor ebx, ebx    mov eax, ebx    inc eax    int 0x80 segment readable writeable    message db 'Hello from FASM on Linux!', 0x0a    len = $ - message

The code is much more compact than that on Windows, as we are not using any high-level API functions; we'd rather use Linux system calls directly (this could turn into a nightmare on Windows). Save the file as fasm1lin.asm (this is not GAS or GCC, so we are free to give the Assembly source file its usual ...