Re: Arrow "->" Does Not Appear For Current Source Code Line

[Andrew Gaylard]

Manoj K Sharma wrote:
> Hi,
> I am trying to put a setup where I can debug Linux Kernel and Kernel 
> module using KGDB. I have followed all the steps required to install and 
> use KGDB. I use DDD as front end for this debugging setup. I could set 
> the breakpoints and do other operations like data display etc 
> successfully using DDD.  Every thing seems to be working fine except the 
> few things listed below...
>
> * The source file is not shown in the window as soon as breakpoint gets 
> hit. It takes few instructions executions to show up.
> * Once the source file is shown, I can see the breakpoint displayed 
> there in red colored icon, But I don't see current source line indicator 
> "->" appearing there.
> * As I step over instructions I see source lines appearing in command 
> line window before every instruction execution.  But current source line 
> indicator (->) and scrolling of source code does not happen in source 
> code window.

This last problem is almost certainly caused by the output of kgdb 
differing slightly from that of gdb.  Try using "--trace" and see if
you can see where ddd's doing the wrong thing with kgdb's responses...