75 lines
2.5 KiB
Bash
Executable File
75 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Copyright (C) 2002-2015 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 3, 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 COPYING3. If not see
|
|
# <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
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
|
|
|
|
# This avoids weird sorting problems later.
|
|
LC_ALL=C
|
|
export LC_ALL
|
|
LANG=C
|
|
export LANG
|
|
|
|
tmp=extract.$$
|
|
|
|
case `uname -s` in
|
|
SunOS)
|
|
# Ensure that output on Solaris 2 matches readelf below without requiring
|
|
# GNU binutils to be installed. This requires a combination of pvs and
|
|
# elfdump, which is easier handled in a perl script.
|
|
perl @glibcxx_srcdir@/scripts/extract_symvers.pl ${lib} > $tmp 2>&1
|
|
;;
|
|
*)
|
|
# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to
|
|
# avoid default line truncation. -W is not supported and truncation did
|
|
# not occur by default before that point.
|
|
readelf="readelf --symbols"
|
|
if readelf --help | grep -- --wide > /dev/null; then
|
|
readelf="$readelf --wide"
|
|
fi
|
|
# Omit _DYNAMIC etc. for consistency with extract_symvers.pl, only
|
|
# present on Solaris.
|
|
${readelf} ${lib} |\
|
|
sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
|
|
sed -e 's/ \[<localentry>: [0-9]*\] //' |\
|
|
egrep -v ' (LOCAL|UND) ' |\
|
|
egrep -v ' (_DYNAMIC|_GLOBAL_OFFSET_TABLE_|_PROCEDURE_LINKAGE_TABLE_|_edata|_end|_etext)$' |\
|
|
sed -e 's/ <processor specific>: / <processor_specific>:_/g' |\
|
|
sed -e 's/ <OS specific>: / <OS_specific>:_/g' |\
|
|
sed -e 's/ <unknown>: / <unknown>:_/g' |\
|
|
awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
|
|
printf "%s:%s\n", $4, $8;
|
|
else if ($4 == "OBJECT" || $4 == "TLS")
|
|
printf "%s:%s:%s\n", $4, $3, $8;
|
|
}' | sort | uniq > $tmp 2>&1
|
|
# else printf "Huh? What is %s?\n", $8;
|
|
;;
|
|
esac
|
|
|
|
# I think we'll be doing some more with this file, but for now, dump.
|
|
mv $tmp $output
|
|
|
|
exit 0
|