请教一个gdb调试core的问题

litao19

在gdb调试的输出如下：没有告诉哪个函数出错，只是给了一个地址，怎么调试？谢谢

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)
    

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yuyongyu

是不是你编译时用了优化选项？

MMMIX

a.out 里面有调试信息么？

happy_fish100

编译的时候带上参数  -g 应该就可以了

gawk

-g 且不要加优化参数