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paizaでアセンブラ その3

Last updated at Posted at 2018-12-06

概要

paizaでアセンブラ、やってみた。
gas調べたら、puts使えた。

サンプルコード

import subprocess
import os

def gcc():
    c_file = 'test.s'
    test_c = """
.code64
.text
.global main

main:
    mov     $message, %rdi
    call    puts
    ret

.data   
message:
    .asciz "hello world!"
"""
    with open(c_file, 'w') as f:
        f.write(test_c)
    os.system("gcc -no-pie %s" % c_file)
    result = subprocess.Popen('./a.out', stdout = subprocess.PIPE).communicate()[0]
    for i, v in enumerate(result[ : -1].split('\n')):
        print v

if __name__ == '__main__':
  gcc()

成果物

以上。

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