MFC of r198284 to 7-STABLE

[Oliver Pinter]

commit 4a6ea694eaad85c9ff99668ba7427c00cea3e990
Author: kib <kib at ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date:   Tue Oct 20 13:34:41 2009 +0000

    MFC r197934:
    Map PIE binaries at non-zero base address.

    MFC r198202:
    Honour non-zero mapbase for PIE binaries. Inform interpreter-less PIE
    binary about its relocbase.

    Approved by:        re (kensmith)


    git-svn-id: svn://svn.freebsd.org/base/stable/8@198284
ccf9f872-aa2e-dd11-9fc8-001c23d0