Thanks to Jonathan and Mike. Yes, I was using the old # instead of `
delimiter. (I couldn't remember the delimiter so I was looking at the
kmdb docs, but apparently I misread or omitted details.)
-- Garrett
Jonathan Adams wrote:
> On Tue, Aug 01, 2006 at 10:13:02AM -0700, Garrett D'Amore wrote:
>
>> Today I was trying to debug a problem with the cardbus driver in b44
>> using kmdb, and I tried to set a break point using the delayed syntax
>> that I recall using back in the Solaris 8 days:
>>
>> boot kadb -d
>>
>> boots and leaves me in the kmdb prompt, which I then type:
>>
>> cardbus`cardbus_rootnex_map+8:b
>>
>> To set a delayed breakpoint in the cardbus_rootnex_map function in the
>> cardbus module. Imagine my surprise when instead of taking the
>> breakpoint (note that cardbus is not loaded as show by ::modinfo), I get
>> a complaint from kmdb that the symbol cannot be resolved.
>>
>
> ::bp cardbus`cardbus_rootnex_map+8
>
> is the syntax you want. I'm fairly sure you needed to do:
>
> cardbus#cardbus_rootnex_map+8:b **kadb only, doesn't work in kmdb**
>
> in kadb to do a deferred breakpoint; the ` syntax you used wouldn't work.
> (not that the '#' syntax works in kmdb.)
>
>
>> Of course it can't be resolved! I'm trying to use a delayed break
>> point, the module isn't loaded yet.
>>
>> The cardbus_rootnex_map function is declared static in the cardbus.c
>> module. Back in Solaris 8 days, kadb had no problem with static functions.
>>
>> Am I just being a dunce? Has kadb/kmdb changed somehow significantly so
>> that it can't resolve static symbols?
>>
>
> Yes; the way you do a deferred breakpoint has changed. This is all
> documented
> in Appendix C of the Solaris Modular Debugger Guide for Solaris 10 and later.
> A current link (which will no doubt become defunct in about a month) is:
>
> http://docs.sun.com/app/docs/doc/816-5041/6mb7ae3lv?a=view
>
>
>> Note also that I'm doing this on a US-3i platform for which uname -i is
>> not "standard". (TAD,Viper). So the /platform links aren't set up.
>> Solaris boots fine this way, but does kmdb need some kind of link
>> somewhere? If so I'd appreciate any advice. I didn't see anything
>> obvious /platform for it.
>>
>
> No, I don't think that's necessary.
>
> Cheers,
> - jonathan
>
>
--
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
http://www.tadpolecomputer.com/
Phone: 951 325-2134 Fax: 951 325-2191
