請教一個gdb調試core的問題

litao19

在gdb調試的輸出如下：沒有告訴哪個函數出錯，只是給了一個地址，怎么調試？謝謝

1. 
   
2. [***]gdb a.out core.30506
   
3. GNU gdb Red Hat Linux (6.3.0.0-1.96rh)
   
4. Copyright 2004 Free Software Foundation, Inc.
   
5. GDB is free software, covered by the GNU General Public License, and you are
   
6. welcome to change it and/or distribute copies of it under certain
   
7. conditions.
   
8. Type "show copying" to see the conditions.
   
9. There is absolutely no warranty for GDB.  Type "show warranty" for details.
   
10. This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db
    
11. library "/lib/tls/libthread_db.so.1".
    
12. 
    
13. 
    
14. warning: exec file is newer than core file.
    
15. Core was generated by `./dnsServer config.ini'.
    
16. Program terminated with signal 11, Segmentation fault.
    
17. #0  0x00222fd4 in ?? ()
    
18. (gdb) bt
    
19. #0  0x00222fd4 in ?? ()
    
20. #1  0x0b625f14 in ?? ()
    
21. #2  0x0c424d70 in ?? ()
    
22. #3  0x0059d28c in ?? ()
    
23. #4  0x00000000 in ?? ()
    
24. (gdb)
    

復制代碼

yuyongyu

是不是你編譯時用了優(yōu)化選項？

MMMIX

a.out 里面有調試信息么？

happy_fish100

編譯的時候帶上參數  -g 應該就可以了

gawk

-g 且不要加優(yōu)化參數