On Wed, Oct 12, 2005 at 07:49:01PM +0100, Frank Hofmann - Solaris Sustaining
wrote:
> Btw, is there an existing RFE against mdb asking to be able to
> use "::offsetof" and "::sizeof" in arithmetic expressions, to
> get better array handling support ?
>
> I.e. I'd like to look at specific elements of arrays, something
> like:
>
> *devnamesp+(20*::sizeof(struct devnames))::print struct devnames
>
> Or better: "*devnamesp[20]::print struct devnames", with typegraph
> help :)
You can just do:
> devnamesp::print [20]
{
[20].dn_name = 0xffffffff82a46ba0 "hci1394"
...
}
The main thing that has been talked about is '::deval', '::dmap', or
'::dprint', which would let you use D (as in Dtrace) expressions. It
might look something like:
> ::dprint '`devnamesp[20]->dn_flags & 0x100'
0x100
>
Cheers,
- jonathan
--
Jonathan Adams, Solaris Kernel Development
