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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4httd4pt37d715nqfvge2fau7nahbq6u3a@4ax.com>
Date:	Sun, 28 Sep 2008 13:13:52 +1000
From:	Grant Coady <grant_lkml@...o.com.au>
To:	"Daniel Rosenthal" <danielrosenthal@....org>
Cc:	linux-kernel@...r.kernel.org, jdike@...ux.com
Subject: Re: linux object file containing all kernel symbols and suitable for userspace linking?

On Sat, 27 Sep 2008 22:57:10 -0400, "Daniel Rosenthal" <danielrosenthal@....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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/