Re: [RFC] fix kallsyms to allow discrimination of local symbols

From: Theodore Tso
Date: Wed Jul 23 2008 - 13:48:15 EST

On Wed, Jul 23, 2008 at 12:40:26PM -0400, James Bottomley wrote:
> I'm not sure we'd want to do it with CTF either ... the only reason to
> have it in the kernel is if the kernel wants to use it. Right at the
> moment with the dwarf, systemtap userspace is the only consumer, so it
> doesn't need to be in the kernel; I don't really see that changing with
> CTF. I think dtrace does it because the D runtime is in-kernel so some
> of the run time typing needs the CTF.

As far as I understand things, all of that is done in userspace and
byte-compiled down to run in their simple DTrace VM. The reason for
CTF being in the Open Slaris is for their kernel debugger (kmdb) and
so that a crash dump can be guaranteed to be easily analyzed.[1]

- Ted


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