Ubuntu18.04下Intel汇编编译器nasm用法介绍

nasm编译器

NASM Command−Line Syntax
To assemble a file, you issue a command of the form

nasm −f   [−o 
]

For example,

nasm -f elf myfile.asm

will assemble myfile.asm into an ELF object file myfile.o. And

nasm -f bin myfile.asm -o myfile.com

will assemble myfile.asm into a raw binary file myfile.com.
To produce a listing file, with the hex codes output from NASM displayed on the left of the original
sources, use the -l option to give a listing file name, for example:

nasm -f coff myfile.asm -l myfile.lst

To get further usage instructions from NASM, try typing

nasm -h

The option --help is an alias for the −h option.
The option -hf will also list the available output file formats, and what they are.
If you use Linux but aren’t sure whether your system is a.out or ELF, type

file nasm

(in the directory in which you put the NASM binary when you installed it). If it says something like
nasm: ELF 32−bit LSB executable i386 (386 and up) Version 1
then your system is ELF, and you should use the option −f elf when you want NASM to produce
Linux object files. If it says
nasm: Linux/i386 demand−paged executable (QMAGIC)
or something similar, your system is a.out, and you should use −f aout instead (Linux a.out
systems have long been obsolete, and are rare these days.)
Like Unix compilers and assemblers, NASM is silent unless it goes wrong: you won’t see any output at
all, unless it gives error messages.