ceph/src/ceph-clsinfo

   1 #!/bin/sh
   2
   3
   4 show_name=0
   5 show_ver=0
   6 show_arch=0
   7 show_default=1
   8 fname=""
   9
  10 usage="usage: $0 [option]... <cls_filename>\n"
  11 usage=$usage"options:\n"
  12 usage=$usage"\t-n, --name\n"
  13 usage=$usage"\t-v, --ver\n"
  14 usage=$usage"\t-a, --arch\n"
  15
  16 usage_exit() {
  17         printf "$usage"
  18         exit 1
  19 }
  20
  21 err_exit() {
  22         echo "Error: $*"
  23         exit 1
  24 }
  25
  26 while [ $# -ge 1 ]; do
  27 case $1 in
  28     -n | --name )
  29             show_name=1
  30             show_default=0
  31             ;;
  32     -v | --ver )
  33             show_ver=1
  34             show_default=0
  35             ;;
  36     -a | --arch )
  37             show_arch=1
  38             show_default=0
  39             ;;
  40     * )
  41             [ -n "$fname" ] && usage_exit
  42             fname=$1
  43             ;;
  44
  45 esac
  46 shift
  47 done
  48
  49 [ -z "$fname" ] && usage_exit
  50
  51 if [ $show_default -eq 1 ]; then
  52         show_name=1
  53         show_ver=1
  54         show_arch=1
  55 fi
  56
  57 [ -e "$fname" ] || err_exit "File not found: ${fname}"
  58
  59 if [ $show_name -eq 1 ]; then
  60         raw_name=`nm $fname | grep __cls_name__`
  61         name=`echo $raw_name | sed 's/.*cls_name__//g'`
  62         [ -z "$name" ] && err_exit "Could not detect class name"
  63         s=$name
  64         c=" "
  65 fi
  66
  67 if [ $show_ver -eq 1 ]; then
  68         raw_ver=`nm $fname | grep __cls_ver__`
  69         ver=`echo $raw_ver | sed 's/.*cls_ver__//g; s/_/./g'`
  70         [ -z "$ver" ] && err_exit "Could not detect class version"
  71         s=$s$c$ver
  72         c=" "
  73 fi
  74
  75 if [ $show_arch -eq 1 ]; then
  76         raw_arch=`readelf -h $fname | grep Machine`
  77         arch=""
  78         [ `echo $raw_arch | grep -c 386` -gt 0 ] && arch="i386"
  79         [ `echo $raw_arch | grep -c 86-64` -gt 0 ] && arch="x86-64"
  80         [ -z "$arch" ] && err_exit "unknown file architecture"
  81         s=$s$c$arch
  82         c=" "
  83 fi
  84
  85 echo $s