#!/bin/sh
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#!/bin/sh
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# Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
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# Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
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#
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#
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# This file is part of the GNU ISO C++ Library. This library is free
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# This file is part of the GNU ISO C++ Library. This library is free
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# software; you can redistribute it and/or modify it under the
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# software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the
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# terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3, or (at your option)
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# Free Software Foundation; either version 3, or (at your option)
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# any later version.
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# any later version.
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#
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#
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# This library is distributed in the hope that it will be useful,
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License along
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# You should have received a copy of the GNU General Public License along
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# with this library; see the file COPYING3. If not see
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# with this library; see the file COPYING3. If not see
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# .
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# .
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if test ${#} -lt 2 || test $1 = '--help'; then
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if test ${#} -lt 2 || test $1 = '--help'; then
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echo "Usage: extract_symvers shared_lib output_file" 1>&2
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echo "Usage: extract_symvers shared_lib output_file" 1>&2
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exit 1
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exit 1
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fi
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fi
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lib=$1
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lib=$1
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output=$2
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output=$2
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# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid
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# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid
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# default line truncation. -W is not supported and truncation did not occur
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# default line truncation. -W is not supported and truncation did not occur
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# by default before that point.
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# by default before that point.
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readelf="readelf --symbols"
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readelf="readelf --symbols"
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if readelf --help | grep -- --wide > /dev/null; then
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if readelf --help | grep -- --wide > /dev/null; then
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readelf="$readelf --wide"
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readelf="$readelf --wide"
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fi
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fi
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# This avoids weird sorting problems later.
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# This avoids weird sorting problems later.
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LC_ALL=C
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LC_ALL=C
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export LC_ALL
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export LC_ALL
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LANG=C
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LANG=C
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export LANG
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export LANG
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tmp=extract.$$
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tmp=extract.$$
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${readelf} ${lib} |\
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${readelf} ${lib} |\
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sed -e 's/ \[: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
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sed -e 's/ \[: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
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egrep -v ' (LOCAL|UND) ' |\
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egrep -v ' (LOCAL|UND) ' |\
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awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
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awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
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printf "%s:%s\n", $4, $8;
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printf "%s:%s\n", $4, $8;
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else if ($4 == "OBJECT")
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else if ($4 == "OBJECT")
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printf "%s:%s:%s\n", $4, $3, $8;
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printf "%s:%s:%s\n", $4, $3, $8;
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}' | sort | uniq > $tmp 2>&1
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}' | sort | uniq > $tmp 2>&1
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# else printf "Huh? What is %s?\n", $8;
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# else printf "Huh? What is %s?\n", $8;
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# I think we'll be doing some more with this file, but for now, dump.
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# I think we'll be doing some more with this file, but for now, dump.
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mv $tmp $output
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mv $tmp $output
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exit 0
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exit 0
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