Re: kallsyms 2.6.8 address ordering

From: jmerkey
Date: Thu Aug 19 2004 - 14:16:55 EST





> On Thu, 19 Aug 2004 jmerkey@xxxxxxxxxxx wrote:
>
> > kallsyms in 2.6.8 is presenting module symbol tables with out of order
> > addresses in 2.6.X. This makes maintaining a commercial kernel debugger
> > for Linux 2.6 kernels nighmareish.
>
> How hard could it be to sort the table in your debugger ?
>

How about not sorting it at all and not being required to increase memory consumption for
debugging purposes?



> > Also, the need to kmalloc name strings (like kdb does) from kallsyms in
> > kdbsupport.c while IN THE DEBUGGER makes it impossible to debug large
> > portions of the kernel code with kdb, so I have rewritten large sections
> > of kallsyms.c to handle all these broken, brain-dead cases in mdb and I
> > am not relying much on kdb hooks anymore.
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Sounds like your commercial debugger might just be violating
> the GPL ;)

No. it's not. Chris makes a suggestion I should make it work on unpatched kernels.
I will address on his thread.

Jeff

>
> --
> "Debugging is twice as hard as writing the code in the first place.
> Therefore, if you write the code as cleverly as possible, you are,
> by definition, not smart enough to debug it." - Brian W. Kernighan
>
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