Re: kgdb in emacs

[Sanjeev Kumar.S]

To see what kgdb is doing run
>   kgdb -a -r /dev/cuad0 kernel.debug
>
> and perhaps
>
>   kgdb -a -a -a -r /dev/cuad0 kernel.debug
>
> from the command line.
>
> With GDB, Emacs uses the marker ^Z^Z to parse the file and line number:
>
> (gdb) b main
> Breakpoint 1 at 0x804862c: file myprog.c, line 95.
> (gdb) r
> Starting program: /home/nickrob/myprog 
>
> Breakpoint 1, main (argc=1, argv=0xbfcfbfd4) at myprog.c:95
> ^Z^Z/home/nickrob/myprog.c:95:1274:beg:0x804862c
> (gdb) 
>
> kgdb should output something similar.  However, I guess the kernel in your
> case is already running, so maybe it's a bit like attaching to a process
> and perhaps the first marker is missing.
>
> Sanjeev: I'm using emacs graphical. I see
> now what you meant by gdb-many-windows
> (locals and breakpoints and stackframes).
> and I dont think its got
>  anything to do with
> source code display, eg in my case even
> after the new break enters the old source code is displayed in the multi-window mode.
> and when I do a "n" the current source where the break
> hit was displayed. and like in other emacs instances
> after the "n" when I do a "f" I get the source
> opened in a seperate window if it is not already
> opened.
> But I think like you said the marker ^Z^Z is 
> missing, I dont want to step everytime I
> jump into gdb to see where I am in the code.
> Any way to get this working ? I tried doing a 
> ^Z^Z on the emacs window and it minimized  on the first ^Z :). Doesnt want
> me to use it anymore.
Regards,
Sanjeev.

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