git: kernel ELF: Map PIE binaries at non-zero or specified address

[John Marino <marino@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 72453240fe7f2d537cfd6cccd9a0b2f299efc3fc
Author: John Marino <draco@marino.st>
Date:   Tue May 10 23:06:51 2011 +0200

    kernel ELF: Map PIE binaries at non-zero or specified address
    
    From FreeBSD:
    svn 197933 (10 OCT 2009)
    svn 197934 (10 OCT 2009)
    svn 198202 (18 OCT 2009)
    
    By default, map PIE binaries to a non-zero address.  The specified
    default address was determined by FreeBSD by examining ld to see where
    non-relocable binaries get put normally.
    
    The binary relocation will not happen if the ET_DYN binary already has
    a non-zero base address specified.
    
    Also cleaned up some whitespace issues, and took some alignment checks
    from FreeBSD.

Summary of changes:
 sys/cpu/i386/include/elf.h   |    5 ++
 sys/cpu/x86_64/include/elf.h |    7 +++-
 sys/kern/imgact_elf.c        |   90 ++++++++++++++++++++++++++---------------
 3 files changed, 68 insertions(+), 34 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/72453240fe7f2d537cfd6cccd9a0b2f299efc3fc


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