Re: Source level debugging with kdb

[Keith Owens <kaos@xxxxxxxxxxxxxxxxx>]

On Thu, 21 Sep 2000 01:04:02 -0700 (PDT), 
Scott Lurndal <slurn@xxxxxxxxxxx> wrote:
>You could preload the information from vmlinux
>either at run-time prior to the first entry
>of kdb (via insmod, for example)  or at boot time
>by reading the appropriate parts of vmlinux into
>allocated memory.   If you have the memory to spare...

But then you have to teach gdb to read from memory instead of from a
file.  The whole problem is the design of gdb, it runs as a normal
application and issues system calls to do I/O and talk to the user.
System calls require kernel support but kdb has stopped the kernel.
Don't even think about embedding gdb into the kernel, shudder.