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#!/bin/sh
#
# Copyright (C) 2021-2023 Free Software Foundation, Inc.
#
# This file 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 of the License, or
# (at your option) any later version.
#
# This program 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 program; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
#
# CHK_LIBC_OBJ -- a script to scan the .o's in an output directory,
# which is one of ../{intel-S2,sparc-S2,intel-Linux,sparc-Linux}
#
# usage: cd to the output directory, and invoke ../src/CHK_LIBC_OBJ
check_obj() {
logF="nm.`basename $1`.log"
if [ `uname` = 'Linux' ]; then
nm $1 | grep -v GLIBC_ > ${logF}
else
nm $1 > ${logF}
fi
FUNC_LIST="strcpy strlcpy strncpy strcat strlcat strncat strncmp strlen \
strerror strchr strrchr strpbrk strstr strtok strtok_r \
printf fprintf sprintf snprintf asprintf wsprintf \
vprintf vfprintf vsprintf vsnprintf vasprintf \
memset memcmp memcpy strtol strtoll strtoul strtoull \
getcpuid calloc malloc free strdup"
res=0
echo " -- Checking Object file '$1' for functions from libc"
for j in `echo ${FUNC_LIST}` ; do
grep -w ${j} ${logF} | grep UNDEF> grep.log 2>&1
if [ $? -eq 0 ]; then
grep -w ${j} ${logF}
res=1
fi
done
return ${res}
}
STATUS=0
for i in *.o ; do
echo ""
check_obj ${i}
res=$?
if [ ${res} -eq 0 ]; then
echo "Object file ${i} does not reference functions in libc"
else
echo "======Object file: ${i} DOES reference functions in libc"
fi
if [ ${STATUS} -eq 0 ]; then
STATUS=${res}
fi
done
for i in *.so ; do
echo ""
check_obj ${i}
res=$?
if [ ${res} -eq 0 ]; then
echo "Object file ${i} does not reference functions in libc"
else
echo "======Object file: ${i} DOES reference functions in libc"
fi
if [ ${STATUS} -eq 0 ]; then
STATUS=${res}
fi
done
exit $STATUS
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