linux object file containing all kernel symbols and suitable for userspace linking?

[Daniel Rosenthal]

Is there an object file generated by the kernel build process just
before vmlinuz and arch/x86/boot/bzImage are created that contains all
the requisite kernel symbols to complete compilation?  I understand
that such an object file wouldn't make a lot of sense to keep around,
because at the point at which such a file were able to be generated
the compilation process could just be completed instead.  If it's not
available is there some easy way to generate it?  I am trying to test
some kernel code I wrote, and I wanted to test it by running it in
userspace by linking it to a *.o file with a main() function (just to
test out various API facilities; i.e. unit tests).  This is so I can
use the API provided by the kernel without having to rewrite it for
userspace.  User-Mode Linux won't work for this because the code in
question relies on some architecture specific features and thread
flags of x86, but I guess the approach would probably similar to what
UML uses.

Is there some simple way to do this?

Thanks,
Daniel
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