gdb/config.gdb

   1 #!/bin/sh
   2
   3 # Shell script to do machine-dependent things in
   4 # preparation for compiling gdb.
   5 #
   6 # Usage: config.gdb machine
   7 #
   8 # If config.gdb succeeds, it leaves its status in config.status.
   9 # If config.gdb fails after disturbing the status quo,
  10 #       config.status is removed.
  11
  12 progname=$0
  13 host=
  14 target=
  15 list_hosts=
  16 list_targets=
  17 srcdir=
  18
  19 for arg in $*; do
  20   case $arg in
  21     -srcdir=*|+srcdir=*)
  22       srcdir=`echo $arg | sed 's/[+-]srcdir=//'`
  23       ;;
  24     -host|+host)
  25       list_hosts=true
  26       ;;
  27     -target|+target)
  28       list_targets=true
  29       ;;
  30     -host=*|+host=*)
  31       if [ "$host" = "" ]; then
  32         host=`echo $arg | sed 's/[+-]host=//'`
  33       else
  34         echo Error: Attempt to specify host machine twice
  35         bad=true
  36       fi
  37       ;;
  38     -target=*|+target=*)
  39       if [ "$target" = "" ]; then
  40         target=`echo $arg | sed 's/[+-]target=//'`
  41       else
  42         echo Error: Attempt to specify target machine twice
  43         bad=true
  44       fi
  45       ;;
  46     *)
  47       if [ "$host" = "" ]; then
  48         host=$arg
  49       else
  50         if [ "$target" = "" ]; then
  51           target=$arg
  52         else
  53           echo Error: More arguments than host and target machine names
  54           bad=true
  55         fi
  56       fi
  57       ;;
  58   esac
  59 done
  60
  61 if [ "$target" = "" ]; then target=$host; fi
  62 if [ "$host" = "" ]; then bad=true; fi
  63
  64 # Find the source files, if location was not specified
  65 if [ "$srcdir" = "" ]; then
  66   srcdirdefaulted=true
  67   srcdir=.
  68   if [ ! -r main.c ]; then
  69     srcdir=..
  70   fi
  71 fi
  72 if [ ! -r ${srcdir}/main.c ]; then
  73   if [ "$srcdirdefaulted" != "true" ]; then
  74     echo "$progname: Can't find debugger sources in \`${srcdir}'." 1>&2
  75   else
  76     echo "$progname: Can't find debugger sources in \`.' or \`..'." 1>&2
  77   fi
  78   exit 1
  79 fi
  80
  81 if [ "$list_hosts" = "true" ]; then
  82   cd $srcdir/xconfig
  83   for i in * ; do
  84 # The {} in ${i} are required or else /bin/sh in sony newsos 3.2 removes
  85 # the quote after it.
  86   awk <$i "NR == 1 { lastchar = substr(\"${i}\", length(\"${i}\"), 1)
  87 if (lastchar != \"~\" && lastchar != \"#\") \
  88 printf \"%-12s %s\n\", \"${i}\", substr(\$0,2) }"
  89   done
  90 fi
  91
  92 if [ "$list_targets" = "true" ]; then
  93   cd $srcdir/tconfig
  94   for i in * ; do
  95   awk <$i "NR == 1 { lastchar = substr(\"${i}\", length(\"${i}\"), 1)
  96 if (lastchar != \"~\" && lastchar != \"#\") \
  97 printf \"%-12s %s\n\", \"${i}\", substr(\$0,2) }"
  98   done
  99 fi
 100
 101 if [ "$list_hosts" = "true" -o "$list_targets" = "true" ]; then
 102   exit 0
 103 fi
 104
 105 if [ "$host" != "" -a ! -f $srcdir/xconfig/$host ]; then
 106   echo "No such host $host"
 107   bad=true
 108 fi
 109
 110 if [ "$target" != "" -a ! -f $srcdir/tconfig/$target ]; then
 111   echo "No such target $target"
 112   bad=true
 113 fi
 114
 115 if [ "$bad" = "true" ] ; then
 116   echo "Usage: "
 117   echo "  $progname [+srcdir=\`dir'] machine"
 118   echo "    For normal usage"
 119   echo "  $progname [+srcdir=\`dir'] \`host' \`target'"
 120   echo "  $progname [+srcdir=\`dir'] +host=\`host' +target=\`target'"
 121   echo "    If you are doing remote debugging between machines of two"
 122   echo "    different types (cross-debugging).  \`host' is the type of"
 123   echo "    machine on which GDB will be running.  \`target' is the"
 124   echo "    machine that the program you are debugging will be"
 125   echo "    running on."
 126   echo "  $progname +host"
 127   echo "    Print a list of valid host machine types."
 128   echo "  $progname +target"
 129   echo "    Print a list of valid target machine types."
 130   echo
 131   echo "  +srcdir=\`dir' means that the sources are in \`dir'.  For"
 132   echo "    example, \`cd /obj/hp300; config.gdb +srcdir=/src/gdb hp300'"
 133   echo "    If +srcdir is not specified, sources can either be in \`.'"
 134   echo "    or \`..'."
 135   echo
 136
 137   if [ -r config.status ]
 138   then
 139     cat config.status
 140   fi
 141   exit 1
 142 fi
 143
 144 rm -f tm.h xm.h
 145
 146 cat $srcdir/xconfig/$host $srcdir/tconfig/$target | awk '$1 == "#msg" {
 147   print substr($0,6)}'
 148 paramfile=${srcdir}/`awk '
 149   $1 == "TM_FILE=" { print $2 }' <$srcdir/tconfig/$target`
 150 if [ "$paramfile" != "${srcdir}/" ] ; then
 151   # Make a symlink if possible, otherwise try a hard link
 152   ln -s $paramfile tm.h 2>/dev/null || ln $paramfile tm.h
 153 fi
 154
 155 paramfile=${srcdir}/`awk '
 156   $1 == "XM_FILE=" { print $2 }' <$srcdir/xconfig/$host`
 157 if [ "$paramfile" != "${srcdir}/" ] ; then
 158   # Make a symlink if possible, otherwise try a hard link
 159   ln -s $paramfile xm.h 2>/dev/null || ln $paramfile xm.h
 160 fi
 161
 162 rm -f config.status
 163
 164 case ${srcdir} in
 165   .)
 166     ;;
 167   *)
 168     echo "srcdir=${srcdir}" >./Makefile.sdir
 169     grep -s "source ${srcdir}/.gdbinit" .gdbinit 2>/dev/null || \
 170       echo "source ${srcdir}/.gdbinit" >> .gdbinit
 171 esac
 172
 173 rm -f Makefile
 174 make "srcdir=${srcdir}" \
 175   "M_MAKEFILE=$srcdir/tconfig/$target $srcdir/xconfig/$host" \
 176   -f $srcdir/Makefile.dist Makefile
 177
 178 echo "GDB is now set up for host machine $host and target machine $target." \
 179         | tee config.status
 180 exit 0