绋嬪簭15-6 linux/lib/execve.c

  1 /*

  2  *  linux/lib/execve.c

  3  *

  4  *  (C) 1991  Linus Torvalds

  5  */

  6

  7 #define __LIBRARY__

  8 #include <unistd.h>       // Linux鏍囧噯澶存枃浠躲�傚畾涔変簡鍚勭�嶇�﹀彿甯告暟鍜岀被鍨嬶紝骞跺０鏄庝簡鍚勭�嶅嚱鏁般��

                              // 濡傚畾涔変簡__LIBRARY__锛屽垯杩樺惈绯荤粺璋冪敤鍙峰拰鍐呭祵姹囩紪_syscall0()绛夈��

  9

    //// 鍔犺浇骞舵墽琛屽瓙杩涚▼(鍏朵粬绋嬪簭)鍑芥暟銆�

    // 涓嬮潰璇ヨ皟鐢ㄥ畯鍑芥暟瀵瑰簲锛�int execve(const char * file, char ** argv, char ** envp)銆�

    // 鍙傛暟锛�file - 琚�鎵ц�岀▼搴忔枃浠跺悕锛�argv - 鍛戒护琛屽弬鏁版寚閽堟暟缁勶紱envp - 鐜�澧冨彉閲忔寚閽堟暟缁勩��

    // 鐩存帴璋冪敤浜嗙郴缁熶腑鏂�int 0x80锛屽弬鏁版槸__NR_execve銆傚弬瑙�include/unistd.h鍜�fs/exec.c绋嬪簭銆�

 10 _syscall3(int,execve,const char *,file,char **,argv,char **,envp)

 11