functions about dump backtrace function names in mips arch

[nilesh]

On Mon, 2011-01-03 at 22:32 +0800, loody wrote:
> hi all:
> 
> 2011/1/3 Sowmya Sridharan <sowmya.sridharan at tcs.com>:
> >
> > Hi,
> >
> > I was able to check it in 2.6.36 version of kernel, and it is defined in
> > traps.c.
> > http://lxr.linux.no/linux+v2.6.36/arch/mips/kernel/traps.c#L205
> >
> > dump_stack() calls show_backtrace function which had been show_trace in the
> > earlier kernel versions.
[...]
> >
> >
[...]
> > Regards,
> > Sowmya
> thanks for your kind help, that is what I want.
> previously, I only see the address instead of function name, but after
> I select CONFIG_KALLSYMS as Y, I can see the function names also.
> BTW, what is the mechanism that kernel take to find out the function name?

Enabling the config option, it allows to build the symbol table for
kernel. It uses /proc/kallsyms.
Below links could help:
http://tldp.org/HOWTO/Module-HOWTO/x627.html
http://fixunix.com/kernel/134739-proc-kallsyms-symbol-size.html

> Regards,
> miloody

-- 
Thanks,
Nilesh