how to check the symbols inside binaries

["lin q" <linq936 at hotmail dot com>]

Sorry send this email again. There are more info about my question.

1) My linux is RedHat Enterprise 3, kernel version is "Linux xaqjibinh40 
2.4.21-4.EL #1 Fri Oct 3 18:13:58 EDT 2003 i686 i686 i386 GNU/Linux".

2) gdb is 6.3

3) This "gui_main.c not found" error is from DDD, not gdb. But I still need 
to know how to find the library that a symbol belonging to.

Thanks.


Hi,
 I am debugging a program, the source files scatter around many different 
places. When I start gdb and load the executable, I am prompted 
"<path1>/gui_main.c:there is no such file or directory". The "path1" is not 
right, there is no such directory at all.

 My question is how come gdb tries to load gui_main.c from path1? What is 
the logic under the hood?

 The problem is even worse, gui_main.c is not my file, it must be from one 
of libraries I link with. But I have no idea where it is.

 I run ldd against the program and I see a lot of shared libraries, so my 
question is how I can know which library is this "gui_main" from? Or maybe 
it is in the executable itself? How can I know that?

Thanks.

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