Initial commit

scripts/find_libs.sh

@@ -0,0 +1,178 @@
+#!/bin/bash
+
+# Copyright Grégory Soutadé
+
+# This 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 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 iwla.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+#
+# Find all dependant shared libraries of a target (using objdump) and copy them into a directory
+#
+
+
+# Options
+TARGET=""
+OUTPUT=""
+ROOT_LIB_DIRECTORY=""
+OBJDUMP=objdump
+VERBOSE=0
+EXIT_ON_ERROR=0
+QUIET_NOT_FOUND=0
+CLEAN_BEFORE_START=0
+COPY_TARGET=0
+
+function debug()
+{
+    if [ $VERBOSE -eq 1 ] ; then
+	echo -e "$1"
+    fi
+}
+
+function copy()
+{
+    target=$1
+    symlink_name=$2
+    
+    if [ ! -e ${target} ] ; then
+	debug "${target} not found"
+	return
+    fi
+
+    debug "cp --no-dereference ${target} ${OUTPUT}"
+    cp --no-dereference ${target} ${OUTPUT}
+
+    if [ ! $? -eq 0 ] ; then
+	[ ${EXIT_ON_ERROR} -eq 1 ] && exit 1
+	return
+    fi
+
+    if [ ! -z "${symlink_name}" ] ; then
+	echo ln -s `basename ${target}` ${OUTPUT}/${symlink_name}
+	ln -s `basename ${target}` ${OUTPUT}/${symlink_name}
+    fi
+    
+    # Symlink ? Copy target file
+    if [ -L ${target} ] ; then
+	copy `readlink -e ${target}`
+    fi
+}
+
+nb_tabs=0
+function find_lib()
+{
+    target="$1"
+
+    if [ ! -e ${target} ] ; then
+	debug "${target} not found"
+	return
+    fi
+
+    nb_tabs=$((${nb_tabs}+1))
+    local tabs=""
+    for i in `seq 1 ${nb_tabs}`; do
+	tabs="${tabs}  "
+    done
+    
+    dependencies=`${OBJDUMP} -p ${target}|grep NEEDED|sed "s/ \+/ /g"|cut -d' ' -f3`
+    for dependency in ${dependencies} ; do
+	symlink_name=""
+	echo -e "${tabs}${dependency}"
+	debug "find ${ROOT_LIB_DIRECTORY} -name ${dependency}"
+	file=`find ${ROOT_LIB_DIRECTORY} -name ${dependency}|head -n 1`
+	if [ -z "$file" ] ; then
+	    # Try lib.so*
+	    file=`find ${ROOT_LIB_DIRECTORY} -name ${dependency}*|head -n 1`
+	    if [ -z "$file" ] ; then
+		[ ${QUIET_NOT_FOUND} -eq 0 ] && echo "ERROR : ${dependency} not found in ${ROOT_LIB_DIRECTORY}"
+		[ ${EXIT_ON_ERROR} -eq 1 ] && exit 1
+		continue
+	    else
+		symlink_name=${dependency}
+	    fi
+	fi
+	# Already copied
+	[ -e "${OUTPUT}/${dependency}" ] && continue
+	copy $file ${symlink_name}
+	find_lib $file
+    done
+
+    nb_tabs=$((${nb_tabs}-1))
+}
+
+function usage()
+{
+    echo "Usage : ./find_libs [-O OBJDUMP] [-v] [-e] [-q] [-c] [-C] -t TARGET -o OUTPUT_DIR -l ROOT_LIBDIR"
+    echo -e "\t-O OBJDUMP      objdump command"
+    echo -e "\t-v              verbose"
+    echo -e "\t-e              exit on error"
+    echo -e "\t-q              quiet when dependency not found"
+    echo -e "\t-c              clean target before start"
+    echo -e "\t-C              Copy target in output directory"
+    echo -e "\t-t TARGET       first executable or library to analyze"
+    echo -e "\t-o OUTPUT_DIR   output directory where to place find libs"
+    echo -e "\t-l ROOT_LIBDIR  root directory where to search dependancy libs"
+}
+
+while getopts "ht:o:l:O:veqcC" arg; do
+    case $arg in
+	t)
+	    TARGET=$OPTARG
+	    ;;
+	o)
+	    OUTPUT=$OPTARG
+	    ;;
+	l)
+	    ROOT_LIB_DIRECTORY=$OPTARG
+	    ;;
+	O)
+	    OBJDUMP=$OPTARG
+	    ;;
+	v)
+	    VERBOSE=1
+	    ;;
+	e)
+	    EXIT_ON_ERROR=1
+	    ;;
+	q)
+	    QUIET_NOT_FOUND=1
+	    ;;
+	c)
+	    CLEAN_BEFORE_START=1
+	    ;;
+	C)
+	    COPY_TARGET=1
+	    ;;
+	h)
+	    usage
+	    ;;
+	*)
+	    usage
+	    ;;
+  esac
+done
+
+if [ -z "${TARGET}" -o -z "${OUTPUT}" -o -z "${ROOT_LIB_DIRECTORY}" ] ; then
+    usage
+    exit 0
+fi
+
+[ ${CLEAN_BEFORE_START} -eq 1 ] && rm -rf ${OUTPUT}
+
+mkdir -p ${OUTPUT} || exit 1
+
+echo ${TARGET}
+[ ${COPY_TARGET} -eq 1 ] && copy ${TARGET}
+
+find_lib ${TARGET}