btfd.sh

   1 #!/bin/sh
   2 PREFIX=/usr/local
   3 # backtrace symbols .bt file dump helper for atscap-1.1
   4 # Usage: $0 <FILENAME
   5 #
   6 # Application name is AN
   7 # Application signal handler name is SN
   8 #
   9 # CO PO PC BO BC P1 P2 B1 B2 are checks for various extracts
  10 #
  11 AN="atscap"
  12 SN="signal_handler"
  13 CO="\#"
  14 PO="\("
  15 PC="\)"
  16 BO="\["
  17 BC="\]"
  18
  19 while read line
  20
  21 do
  22
  23   NAME=""
  24   FUNC=""
  25   ADDR=""
  26
  27 # extract file name, (function name) and [address]
  28   C1=`expr index "$line" "$CO"`
  29   if [ "$C1" -eq "1" ]
  30     then   echo "$line"; continue
  31   fi
  32
  33 #  echo "RAW $line"
  34
  35   N1="0"
  36   N2="1"
  37
  38   P1=`expr index "$line" "$PO"`
  39   P2=`expr index "$line" "$PC"`
  40
  41   B1=`expr index "$line" "$BO"`
  42   B2=`expr index "$line" "$BC"`
  43
  44 # echo "  " $C1 $P1 $P2 $B1 $B2
  45
  46   if [ "$P1" -gt "0" ]
  47     then if [ "$P2" -gt "0" ]
  48       then FUNC=${line:$P1:$P2-$P1-1}
  49     fi
  50   fi
  51
  52   if [ "$B2" -gt "$B1" ]
  53       then ADDR=${line:$B1:$B2-$B1-1}
  54   fi
  55
  56   N2=$P1
  57
  58   if [ "$N2" -eq "0" ]
  59     then N2=$B1;
  60   fi
  61
  62   if [ "$N2" -eq "0" ]
  63     then N2=$P1;
  64   fi
  65
  66 #  echo N1 $N1 N2 $N2 P1 $P1 P2 $P2 B1 $B1 B2 $B2
  67
  68   if [ "$N2" -gt "$N1" ]
  69     then NAME=${line:$N1:$N2-$N1-1}
  70   fi
  71
  72 # if [ "$N2" -gt "1" ]
  73 #   then echo NAME $NAME
  74 # fi
  75
  76 # if [ "$P2" -gt "1" ]
  77 #   then echo FUNC $FUNC
  78 # fi
  79
  80 # if [ "$B2" -gt "1" ]
  81 #   then echo ADDR $ADDR
  82 # fi
  83 #  echo "+++" NAME $NAME FUNC $FUNC ADDR $ADDR
  84
  85 # only want AM matches to application name AN to generate addr2line
  86   AM=`expr index "$NAME" "$AN"`
  87 # only want SM non-match to signal_handler function to generate addr2line
  88   SM=`expr index "$NAME" "$SN"`
  89 #  echo $NAME $AN $AM
  90 #  echo $NAME $SN $SM
  91
  92   if [ "$AM" -ne "1" ]
  93     then continue
  94   fi
  95
  96   if [ "$SM" -eq "0" ]
  97     then continue
  98   fi
  99
 100 #  echo DO addr2line.new -s -f -e $PREFIX/bin/atscap $ADDR
 101
 102   addr2line -s -f -e $PREFIX/bin/atscap $ADDR
 103
 104 done