Re: kgdb in emacs

["Sanjeev Kumar.S" <sanjeevfiles@yahoo.com>]

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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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