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

[Grant Coady <grant_lkml@dodo.com.au>]

On Sat, 27 Sep 2008 22:57:10 -0400, "Daniel Rosenthal" <danielrosenthal@acm.org> wrote:

>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.

There's a vmlinux.o in top-level directory after a kernel compile, is 
that what you're after?

Grant.