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Created attachment 486814 [details]
Backported patch, tweaked to apply to RHEL-6

Description of problem:
ELFOSABI_LINUX is incorrectly set in a dynamic ifunc-using executable.

Version-Release number of selected component (if applicable):
binutils-2.20.51.0.2-5.11.el6

How reproducible:
Always

Steps to Reproduce:
$ cat > bar.c <<EOF
int main () { return 42; }
EOF
$ gcc foo.c
$ readelf a.out | grep OS
  
Actual results:
  OS/ABI:                            UNIX - Linux

Expected results:
  OS/ABI:                            UNIX - System V

Additional info:

This has been fixed upstream:

http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-i386.c.diff?r1=1.229&r2=1.230&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-ppc.c.diff?r1=1.278&r2=1.279&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-sparc.c.diff?r1=1.91&r2=1.92&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-ppc.c.diff?r1=1.318&r2=1.319&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-sparc.c.diff?r1=1.120&r2=1.121&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-x86-64.c.diff?r1=1.190&r2=1.191&cvsroot=src
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc.exp.diff?r1=1.8&r2=1.9&cvsroot=src

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2011-1523.html