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vapier 07/12/31 23:33:27 |
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|
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Added: lddtree.sh |
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Log: |
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print the ELF dependency tree as a ......... tree |
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|
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Revision Changes Path |
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1.1 pax-utils/lddtree.sh |
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|
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file : http://sources.gentoo.org/viewcvs.py/gentoo-projects/pax-utils/lddtree.sh?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo-projects/pax-utils/lddtree.sh?rev=1.1&content-type=text/plain |
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|
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Index: lddtree.sh |
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=================================================================== |
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#!/bin/bash |
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|
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argv0=${0##*/} |
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|
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usage() { |
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cat <<-EOF |
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Display ELF dependencies as a tree |
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|
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Usage: ${argv0} [options] <ELF file[s]> |
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|
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Options: |
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-a Show all duplicated dependencies |
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-x Run with debugging |
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-h Show this help output |
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EOF |
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exit ${1:-0} |
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} |
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|
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SHOW_ALL=false |
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SET_X=false |
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|
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opts="hax" |
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getopt -Q -- "${opts}" "$@" || exit 1 |
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eval set -- $(getopt -- "${opts}" "$@") |
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while [[ -n $1 ]] ; do |
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case $1 in |
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-a) SHOW_ALL=true;; |
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-x) SET_X=true;; |
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-h) usage;; |
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--) shift; break;; |
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-*) usage 1;; |
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esac |
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shift |
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done |
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|
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${SET_X} && set -x |
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|
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ret=0 |
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error() { |
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echo "${argv0}: $*" 1>&2 |
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ret=1 |
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return 1 |
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} |
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|
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find_elf() { |
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local elf=$1 needed_by=$2 |
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if [[ ${elf} == */* ]] && [[ -e ${elf} ]] ; then |
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echo "${elf}" |
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return 0 |
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else |
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check_paths() { |
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local elf=$1 ; shift |
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local path |
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for path in "$@" ; do |
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if [[ -e ${path}/${elf} ]] ; then |
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echo "${path}/${elf}" |
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return 0 |
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fi |
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done |
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return 1 |
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} |
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check_paths "${elf}" $(scanelf -qF '#F%r' "${needed_by}") && return 0 |
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check_paths "${elf}" $(sed -e 's:^[[:space:]]*#.*::' /etc/ld.so.conf) && return 0 |
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fi |
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return 1 |
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} |
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|
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show_elf() { |
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local elf=$1 indent=$2 parent_elfs=$3 |
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local rlib lib libs |
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local interp resolved=$(find_elf "${elf}") |
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elf=${elf##*/} |
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|
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printf "%${indent}s%s => " "" "${elf}" |
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if [[ ,${parent_elfs}, == *,${elf},* ]] ; then |
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printf "!!! circular loop !!!\n" "" |
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return |
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fi |
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parent_elfs="${parent_elfs},${elf}" |
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printf "${resolved:-not found}" |
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if [[ ${indent} -eq 0 ]] ; then |
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interp=$(scanelf -qF '#F%i' "${elf}") |
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printf " (interpreter => ${interp:-none})" |
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interp=${interp##*/} |
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fi |
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printf "\n" |
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|
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[[ -z ${resolved} ]] && return |
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|
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libs=$(scanelf -qF '#F%n' "${resolved}") |
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|
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local my_allhits |
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if ! ${SHOW_ALL} ; then |
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my_allhits="${allhits}" |
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allhits="${allhits},${interp},${libs}" |
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fi |
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|
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for lib in ${libs//,/ } ; do |
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lib=${lib##*/} |
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[[ ,${my_allhits}, == *,${lib},* ]] && continue |
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rlib=$(find_elf "${lib}" "${resolved}") |
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show_elf "${rlib:-${lib}}" $((indent + 4)) "${parent_elfs}" |
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done |
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} |
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|
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for elf in "$@" ; do |
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if [[ ! -e ${elf} ]] ; then |
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error "${elf}: file does not exist" |
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elif [[ ! -r ${elf} ]] ; then |
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error "${elf}: file is not readable" |
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elif [[ -d ${elf} ]] ; then |
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error "${elf}: is a directory" |
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else |
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allhits="" |
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[[ ${elf} != */* ]] && elf="./${elf}" |
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show_elf "${elf}" 0 "" |
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fi |
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done |
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|
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exit ${ret} |
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|
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|
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|
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-- |
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