RE: [dsdp-dd-dev] Remote Debugging commit

["Marc Khouzam" <marc.khouzam@xxxxxxxxxxxx>]

> I don't really understand how it could be less 'reliable' for you, do
> you have a specific example in mind? Something that maybe should be
> fixed in GDB?

In my case, using sysroot, GDB didn't find my library, which setting
solib-search-path worked.
I'm guessing it has to do with the full path of the library no being
in my host (having $sysroot/mylib.so instead of $sysroot/usr/lib/mylib.so
in your example.)

Is there a way for me to know the full path GDB is looking for?

Thanks!

-----Original Message-----
From: dsdp-dd-dev-bounces@xxxxxxxxxxx
[mailto:dsdp-dd-dev-bounces@xxxxxxxxxxx]On Behalf Of Frederic RISS
Sent: Thursday, March 13, 2008 11:45 AM
To: Device Debugging developer discussions
Subject: RE: [dsdp-dd-dev] Remote Debugging commit



Le jeudi 13 mars 2008 à 11:25 -0400, Marc Khouzam a écrit :
> > CDT sets solib-search-path for gdb and it is enough to find shared libraries
> 
> I had tried this also (with our own target os) and I also found that solib-search-path
> seemed more reliable than sysroot.  I didn't think of checking that in the CDT.

These two commands are different, but they both have their utility. It
really depends on your usage. If GDB is looking for the target library
"/usr/lib/mylib.so", it will look at (in that order):

1/ $sysroot/usr/lib/mylib.so
2/ foreach dir in $solib-search-path
       $dir/usr/lib/mylib.so
3/ foreach dir in $solib-search-path
       $dir/mylib.so
4/ some other places not related to the variables of interest here

I my experience $sysroot is simpler to use. You just have to have a copy
of your target filesystem on your development machine and point sysroot
at it. It's also more deterministic, as there's no possible mismatch
between identically named libraries.

I don't really understand how it could be less 'reliable' for you, do
you have a specific example in mind? Something that maybe should be
fixed in GDB?

Cheers,
Fred



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