Re: [cdt-debug-dev] Single stepping until exit from function _dl_ debug_

[Elena Laskavaia <ELaskavaia@xxxxxxx>]

So it is not linked statically it is using shared libraries, can you find
your gdb binary and do ldd on it, also run gdb from command line and type 
show version

Also try to debug from command line and see it has same problem.

Iztok wrote: 


I've tried gdb and gdb/mi with the same results. 

I'm not sure what you mean by "does my application link directly with libc?"

Here is the output of ldd against my app: 
        linux-gate.so.1 =>  (0xffffe000) 
        libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0xb7f0c000) 
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7dc2000) 
        /lib/ld-linux.so.2 (0xb7f31000) 

Is this what you were asking? 

Thanks for you help, 
Iztok 


Elena Laskavaia wrote: 
> 
> This can happen when you have some library mismatch or gdb is not native 
> debugger for the platform. What debugger you are using? Does you 
> application 
> link directly with libc? 
> 
> Iztok wrote: 
> 
> Hello, I am having problems setting breakpoints or single stepping over 
> some 
> linux function calls. I am able to debug as long as I don't set any 
> breakpoints or try to single step over some linux function calls. This is 
> the output in the console window I see when I try to debug my program: 
> Stopped due to shared library event [Thread debugging using libthread_db 
> enabled] [New Thread -1209764176 (LWP 27866)] Stopped due to shared 
> library 
> event [Switching to Thread -1209764176 (LWP 27866)] Stopped due to shared 
> library event I can still debug, however as long as I don't try to break 
> on 
> or single step over certain function calls. Here is what happens if I try 
> to 
> step over (not into) getservbyname system call, things go very bad: 
> Warning: 
> Cannot insert breakpoint 0. Error accessing memory address 0x1: 
> Input/output 
> error. Single stepping until exit from function _dl_debug_state, which has

> no line number information. No symbol "protocol" in current context. I 
> searched through this forum and on the web but found nothing that seemed 
> to 
> match my problem. Here is my system information: OS: ubuntu 7.10 running 
> on 
> VMware Workstation 6.0.2 build-59824 Eclipse: Version: 3.3.1.1 Build id: 
> M20071023-1652 CDT SDK 4.0.0 Any help would be greatly appreciated. 
> Thanks, 
> Iztok 
> 
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