Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linuxÖÐELF¼ÓÔعý³Ì·ÖÎö

sys_execve
   | - do_execve
|
| - search_binary_handler         
           |- linux_binfmt= elf_format
       |- elf_format-> load_elf_binary
| - elf_entry = load_elf_interp()
          |-   
| if  (BAD_ADDR(elf_entry))
                |     force_sig(SIGSEGV, current);
|     retval =-EINVAL;
 
  
binfmt_elf.c: line 1024
              elf_entry = loc->elf_ex.e_entry;
              if (BAD_ADDR(elf_entry)) {
                     force_sig(SIGSEGV, current);
                     retval = -EINVAL;
                     goto out_free_dentry;
              }
 
ELF¿ÉÐеµµÄÔØÈ룺
 
ÄÚºËÖÐʵ¼ÊÖ´ÐÐ
execv()
»ò
execve()
ϵͳµ÷ÓõijÌÐòÊÇ
do_execve()
£¬Õâ¸öº¯ÊýÏÈ´ò¿ªÄ¿±êÓ³ÏñÎļþ£¬²¢´ÓÄ¿±êÎļþµÄÍ·²¿
(
´ÓµÚÒ»¸ö×Ö½Ú¿ªÊ¼
)
¶ÁÈëÈô¸É
(128)
×Ö½Ú£¬È»ºóµ÷ÓÃÁíÒ»¸öº¯Êý
search_binary_handler()
£¬ÔÚÄÇÀïÃæÈø÷ÖÖ¿ÉÖ´ÐгÌÐòµÄ´¦Àí³ÌÐòÇ°À´ÈÏÁìºÍ´¦Àí¡£ÄÚºËËùÖ§³ÖµÄÿÖÖ¿ÉÖ´ÐгÌÐò¶¼Óиö
struct linux_binfmt
Êý¾Ý½á¹¹£¬Í¨¹ýÏòÄں˵ǼǹÒÈëÒ»¸ö¶ÓÁС£¶ø
search_binary_handler()
£¬ÔòɨÃèÕâ¸ö¶ÓÁУ¬Èø÷¸öÊý¾Ý½á¹¹ËùÌṩµÄ´¦Àí³ÌÐò¡¢¼´¸÷ÖÖÓ³Ïñ¸ñʽ¡¢ÖðһǰÀ´ÈÏÁì¡£Èç¹ûij¸ö¸ñʽµÄ´¦Àí³ÌÐò·¢ÏÖÌØÕ÷Ïà·û¶ø£¬±ãÖ´ÐиøñʽӳÏñµÄ×°ÈëºÍÆô¶¯¡£
ÎÒÃÇ´Ó
ELF
¸ñʽӳÏñµÄ


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

LinuxµÄÎå¸ö²éÕÒÃüÁî

 http://www.ruanyifeng.com/blog/2009/10/5_ways_to_search_for_files_using_the_terminal.html
×î½ü£¬ÎÒÔÚѧϰLinux£¬ÏÂÃæÊÇһЩ±Ê¼Ç¡£
ʹÓõçÄÔµÄʱºò£¬¾­³£ÐèÒª²éÕÒÎļþ¡£
ÔÚLinuxÖУ¬Óкܶ෽·¨¿ÉÒÔ×öµ½ÕâÒ»µã¡£¹úÍâÍøÕ¾LinuxHaxor×ܽáÁËÎåÌõÃüÁÄã¿ÉÒÔ¿´¿´×Ô¼ºÖªµÀ¼¸Ìõ¡£´ó¶àÊý³ÌÐòÔ±£¬¿ÉÄܾ­³£Ê¹ÓÃÆäÖеÄ2 ......

Linux+Apache+Mysql+PHPµäÐÍÅäÖÃ


°æȨÉùÃ÷£º¿ÉÒÔÈÎÒâתÔØ£¬×ªÔØʱÇëÎñ±ØÒÔ³¬Á´½ÓÐÎʽ±êÃ÷ÎÄÕÂԭʼ³ö´¦ºÍ×÷ÕßÐÅÏ¢¼°±¾ÉùÃ÷
http://www.5ilinux.com/lamp01.html
¹Ø¼ü×Ö£ºapache+mysql+php apache mysql php ÅäÖà lamp ·þÎñÆ÷ web
Linux+Apache+Mysql+PHPµäÐÍÅäÖÃ
µ÷ÊÔ»·¾³£ºRedhat9.0 Apache1.3.29 Mysql3.23.58 PHP4.3.4
LinuxϵͳµÄ°²×°ÎҾͲ»½²Á ......

½¨Á¢»ùÓÚlinuxµÄMIPS½»²æ±àÒë»·¾³

 ×÷Õߣº·ëÀÚ (flw10000) MAIL£ºflw10000 AT 163.com
¾­¹ý½üÒ»ÖܵÄæºõ£¬°Ñ»ùÓÚlinuxµÄMIPS½»²æ±àÒë»·¾³»ù±¾´î½¨³É¹¦£¬ÕâÀï˵"»ù±¾"´î½¨³É¹¦ÊÇÒòΪ»·¾³ËäÈ»´î½¨ºÃÁË£¬¿ÉÒÔ±àÒë»ùÓڣͣɣУӵĿÉÖ´ÐÐÎļþÁË£¬µ«»¹Ã»ÓÐÔÚÕæÕýµÄ£Í£É£Ð£Ó»·¾³Ï²âÊÔ¹ý£¬»¹ÓÐÔÚ±àÒëµÄ¹ý³ÌÖгöÏÖÁËЩÎÊÌ⣬ËäÈ»½â¾öÁË£¬Ò²ÒòûÓÐÔÚÕæÕýµÄ£Í£É£ ......

Linux Shell

 ShellÊÇϵͳµÄÓû§½çÃ棬ÌṩÁËÓû§ÓëÄں˽øÐн»»¥²Ù×÷µÄÒ»ÖÖ½Ó¿Ú¡£Ëü½ÓÊÕÓû§ÊäÈëµÄÃüÁî²¢°ÑËüËÍÈëÄÚºËÈ¥Ö´ÐС£
¡¡¡¡Êµ¼ÊÉÏShellÊÇÒ»¸öÃüÁî½âÊÍÆ÷£¬Ëü½âÊÍÓÉÓû§ÊäÈëµÄÃüÁî²¢ÇÒ°ÑËüÃÇË͵½Äںˡ£²»½öÈç´Ë£¬ShellÓÐ×Ô¼ºµÄ±à³ÌÓïÑÔÓÃÓÚ¶ÔÃüÁîµÄ±à¼­£¬ËüÔÊÐíÓû§±àдÓÉshellÃüÁî×é³ÉµÄ³ÌÐò¡£Shell±à³ÌÓïÑÔ¾ßÓÐÆÕͨ±à³ÌÓ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ