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#!/bin/sh

# Copyright (C) 2002, 2003 Free Software Foundation, Inc.

#

# This file is part of the GNU ISO C++ Library.  This library is free

# software; you can redistribute it and/or modify it under the

# terms of the GNU General Public License as published by the

# Free Software Foundation; either version 2, or (at your option)

# any later version.

#

# This library is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License along

# with this library; see the file COPYING.  If not, write to the Free

# Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

# USA.

#

# As a special exception, you may use this file as part of a free software

# library without restriction.  Specifically, if other files instantiate

# templates or use macros or inline functions from this file, or you compile

# this file and link it with other files to produce an executable, this

# file does not by itself cause the resulting executable to be covered by

# the GNU General Public License.  This exception does not however

# invalidate any other reasons why the executable file might be covered by

# the GNU General Public License.

if test ${#} -lt 2 || test $1 = '--help'; then

  echo "Usage:  extract_symvers  shared_lib output_file" 1>&2

  exit 1

fi

lib=$1

output=$2

# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid

# default line truncation.  -W is not supported and truncation did not occur

# by default before that point.

readelf="readelf --symbols"

if readelf --help | grep -- --wide > /dev/null; then

    readelf="$readelf --wide"

fi

# This avoids weird sorting problems later.

LC_ALL=C

export LC_ALL

LANG=C

export LANG

tmp=extract.$$

${readelf} ${lib} | sed '/\.dynsym/,/^$/p;d' | egrep -v ' (LOCAL|UND) ' |\

awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")

         printf "%s:%s\n", $4, $8;

       else if ($4 == "OBJECT")

         printf "%s:%s:%s\n", $4, $3, $8;

     }' | sort | uniq > $tmp 2>&1

#       else printf "Huh?  What is %s?\n", $8;

# I think we'll be doing some more with this file, but for now, dump.

mv $tmp $output

exit 0