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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 18 Oct 2009 12:57:48 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sys/kern imgact_elf.c
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kib         2009-10-18 12:57:48 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             imgact_elf.c 
  Log:
  SVN rev 198202 on 2009-10-18 12:57:48Z by kib
  
  If ET_DYN binary has non-zero base address for some reason, honour it
  and do not relocate the binary to ET_DYN_LOAD_ADDR. This allows for the
  binary author to influence address map of the process. In particular,
  when the binary is actually an interpeter, this allows to have almost
  usual process address map.
  
  Communicate the relocation bias of the mapping for interpeter-less
  ET_DYN binary, that is interperter itself, in AT_BASE aux entry. This
  way, rtld is able to find its dynamic structure and relocate itself.
  Note that mapbase in the rtld is still wrong and requires further
  fixing.
  
  Reported and tested by: rwatson
  Discussed with: kan
  MFC after:      3 days
  
  Revision  Changes    Path
  1.203     +20 -5     src/sys/kern/imgact_elf.c