3
我試圖在我的Mac運行在終端下面的代碼:GCC運行彙編程序mac?
.section, .data
format_string:
.asciz "My favorite number is %d!"
number:
.long 786
.section, .text
.globl main
main:
pushl number
pushl $format_string
call printf
addl $8, %esp
pushl $0
call exit
此代碼是在一個名爲favorite.s
文件我用命令「GCC favorite.s -m32」和我看到以下消息:
Undefined symbols for architecture i386:
"_main", referenced from:
start in crt1.10.6.o
"exit", referenced from:
main in ccUKdD8O.o
"printf", referenced from:
main in ccUKdD8O.o
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status
我在做什麼錯在這裏?謝謝。
添加之後,我現在正在輸出「Illegal instruction:4」的輸出:/ – zProgrammer 2013-02-13 06:54:48
聲音在某處出現錯字。你能顯示你的更新代碼嗎? – 2013-02-13 06:58:25
我想一個簡單的程序,它產生同樣的消息: .section僞,的.text .globl _main _main: #傳遞一個參數退出。 pushl $ 27 call _exit – zProgrammer 2013-02-13 07:00:52