process map information ( like linux pmap )

[Christian Prochaska]

Hello Younwoo Kim,

On 01/14/2013 07:53 AM, Younwoo Kim wrote:
> Hello Genode,
> When running the test program on Fiasco.OC, often a page fault occurs.
>
> I assume that, I made a bug by misusing of a shared library. However, I
> don't know how to get a shared library text.
>
> for example, /proc/id/maps on linux: ( or pmap )
> root:/proc/1# cat maps
> b74fa000-b7505000 r-xp 00000000 08:01 10384183   /lib/i386-linux-gnu/
> libnss_files-2.15.so
> b7505000-b7506000 r--p 0000a000 08:01 10384183   /lib/i386-linux-gnu/
> libnss_files-2.15.so
> ...
>
> I want to get a section information of shared library for finding a cause
> of page fault.
>
> What should I do for solving this question?
>

you can apply the following patch:
https://raw.github.com/cproc/genode_stuff/tmp/tmp/ldso_show_link_addr.diff

Then the dynamic linker will show the shared library address ranges as
debug output.

Regards,
Christian