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#!@KSH@ -p
#
#  size_rtems
#
#  This script gathers information related to the size of RTEMS
#  using the GNU "size" command.
#
#  This script operates by summing up the sizes of the various
#  object files which constitute a particular configuration of
#  RTEMS.  This size information is gathered for placement in the
#  brochure flyers and supplement manuals.
#
#  NOTE: The concept of the minimum executive size is buried in this script.
#
#  COPYRIGHT (c) 1989-1999.
#  On-Line Applications Research Corporation (OAR).
#
#  The license and distribution terms for this file may be
#  found in the file LICENSE in this distribution or at
#  http://www.rtems.org/license/LICENSE.

target=@target@
program_prefix=@program_prefix@

gnusize=${program_prefix}size

# check usage
if [ $# -ne 2 ] ; then
  echo usage ${0}: bsp object_directory
  exit 1
fi

bsp=$1
board=$1
ARCH=$2

cpu=`echo $target | sed -e 's/-.*//'`

case $target in
  sparc-sun-solaris*)
      rtems_cpu=unix
      bsp=solaris2
      echo Not supported on unix port.
      exit 0
      ;;
  i[34567]86-pc-linux-gnu)
      echo linux
      rtems_cpu=unix
      bsp=linux1
      echo Not supported on unix port.
      exit 0
      ;;
  i[34567]86-unknown-freebsd2.[12]*)
      echo freebsd
      rtems_cpu=unix
      bsp=freebsd2
      echo Not supported on unix port.
      exit 0
      ;;
  *-rtems*)
    cpu=`echo $target | sed -e 's/-.*//'`
    rtems_cpu=$cpu
    ;;
  *)
    echo unknown target $target
    exit 1
    ;;
esac

case $ARCH in
  *debug*)   VARIANT=debug ;;
  *profile*) VARIANT=profile ;;
  *)         VARIANT=optimized;;
esac

echo
echo Size Information for the Following Configuration:
echo CPU: ${cpu}
echo BSP: ${board}
echo VARIANT: ${VARIANT}
echo


#
#  KLUDGE to figure out at runtime how to echo a line without a
#  newline.
#
count=`echo "\\c" | wc -c`
if [ ${count} -ne 0 ] ; then
  EARG="-n"
  EOL=""
else
  EARG=""
  EOL="\\c"
fi

if [ ! -d ../${board} ] ; then
  echo "${board} does not exist ... is the current directory the build directory?"
  exit 1
fi

#DIRLIST -- so greps for DIRLIST will find this file
CPUOBJ=exec/score/cpu/${rtems_cpu}/wrap/${ARCH}
COREOBJ=exec/score/src/${ARCH}
RTEMSOBJ=exec/rtems/src/${ARCH}
SAPIOBJ=exec/sapi/src/${ARCH}
OPTOBJ=exec/rtems/optman/${ARCH}

# XXX These have been split up
MANLIST=" \
${RTEMSOBJ}/clockget.o \
${RTEMSOBJ}/clockset.o \
${RTEMSOBJ}/clocktick.o \
${RTEMSOBJ}/dpmem.o \
${RTEMSOBJ}/event.o \
${RTEMSOBJ}/intr.o \
${RTEMSOBJ}/msg.o \
${RTEMSOBJ}/part.o \
${RTEMSOBJ}/ratemon.o \
${RTEMSOBJ}/region.o \
${RTEMSOBJ}/sem.o \
${RTEMSOBJ}/signal.o \
${RTEMSOBJ}/tasks.o \
${RTEMSOBJ}/timer.o \
${SAPIOBJ}/debug.o \
${SAPIOBJ}/extension.o \
${SAPIOBJ}/fatal.o \
${SAPIOBJ}/exinit.o \
${SAPIOBJ}/io.o \
${SAPIOBJ}/rtemsapi.o \
"

if [ -r ${RTEMSOBJ}/mp.o ] ; then
  MPLIST="\
  ${RTEMSOBJ}/mp.o ${RTEMSOBJ}/eventmp.o \
  ${COREOBJ}/mpci.o ${RTEMSOBJ}/msgmp.o ${COREOBJ}/objectmp.o \
  ${RTEMSOBJ}/partmp.o ${RTEMSOBJ}/regionmp.o ${RTEMSOBJ}/semmp.o \
  ${RTEMSOBJ}/signalmp.o ${RTEMSOBJ}/taskmp.o ${COREOBJ}/threadmp.o \
  "

  MPOBJLIST=${OPTOBJ}/no-mp.rel
fi

OPTMANLIST="\
${OPTOBJ}/no-dpmem.rel \
${OPTOBJ}/no-event.rel \
${MPOBJLIST} \
${OPTOBJ}/no-msg.rel \
${OPTOBJ}/no-part.rel \
${OPTOBJ}/no-region.rel \
${OPTOBJ}/no-rtmon.rel \
${OPTOBJ}/no-sem.rel \
${OPTOBJ}/no-signal.rel \
${OPTOBJ}/no-timer.rel \
"
REQMANLIST="\
${SAPIOBJ}/exinit.o \
${RTEMSOBJ}/tasks.o \
${RTEMSOBJ}/intr.o \
${SAPIOBJ}/fatal.o \
"
# XXX parts of these have been split up
CORELIST=" \
${COREOBJ}/apiext.o ${COREOBJ}/chain.o \
${COREOBJ}/coremsg.o   ${COREOBJ}/coremutex.o ${COREOBJ}/coresem.o \
${COREOBJ}/heap.o  ${COREOBJ}/interr.o \
${COREOBJ}/isr.o \
${COREOBJ}/object.o \
${SAPIOBJ}/rtemsapi.o \
${COREOBJ}/thread.o ${COREOBJ}/threadq.o ${COREOBJ}/tod.o \
${COREOBJ}/userext.o \
${COREOBJ}/watchdog.o ${COREOBJ}/wkspace.o \
"

CPULIST="\
${CPUOBJ}/rtems-cpu.rel \
"

# check directories
for i in ${EXECOBJ} ${CPUOBJ} ${OPTOBJ}
do
  if [ ! -d ${i} ] ; then
    echo "${i} does not exist ... is RTEMS compiled and installed?"
    exit 1
  fi
done

for i in ${MANLIST} ${MPLIST} ${OPTMANLIST} ${REQMANLIST} ${CORELIST} ${CPULIST}
do
  if [ ! -r ${i} ] ; then
    echo ${i} does not exist ... is RTEMS compiled and installed?
    exit 1
  fi
done

# "rips" a line of gsize's output and prints size, data, bss
parse_size()
{
  echo $1 $2 $3
}

# prepares a list of code, data, bss sizes for a directory
sizedir()
{
  ${gnusize} $* | sed -e '1,1d' |
    while read line
      do
        parse_size ${line}
      done
}

# adds the numbers passed on the command line
addit()
{
  sumx=0
  for x in $*
  do
    sumx=`expr $sumx + $x`
  done
  echo $sumx
}

# adds a column from the output of sizedir
addsizes()
{
  # dc version is not portable enough -- It can be left out during
  #  installing linux and may not be available on non-UNIX hosts.
  #cut -d' ' -f${2} ${1} | sed -e '2,$s/$/ + /' -e '$,$s/$/ p/' | dc
  
  #  This may not be as fast but it is probably more portable.
  addit `cut -d' ' -f${2} ${1}`
}

# calculates total size of a directory and prints report line
size_files()
{
  trap "rm -f /tmp/size.$$ ; exit 1"  2 3

    for file in $*
      do
        parse_size `${gnusize} $file | sed -e '/text/d'`
      done >/tmp/size.$$

  code=`cat /tmp/size.$$ | addsizes 1`
  data=`cat /tmp/size.$$ | addsizes 2`
  bss=` cat /tmp/size.$$ | addsizes 3`
  echo "${code}	${data}	${bss}"
  rm /tmp/size.$$
}

echo
echo "     RTEMS SIZE REPORT"
echo
echo   "          CODE	DATA	BSS"
echo   "          =================="
echo ${EARG} "MANAGERS: " ${EOL} ; size_files $MANLIST $MPLIST
echo ${EARG} "CORE    : " ${EOL} ; size_files $CORELIST $CPULIST
echo ${EARG} "CPU     : " ${EOL} ; size_files $CPULIST
echo ${EARG} "OVERALL : " ${EOL} ; size_files $CPULIST $CORELIST $MANLIST \
                                               $MPLIST
echo ${EARG} "MINIMUM : " ${EOL} ; size_files $CPULIST $CORELIST \
                                               $OPTMANLIST $REQMANLIST
echo

for file in $MANLIST
do
  base=`basename ${file}`
  echo ${EARG}  ""${base}	: " ${EOL} " ; size_files ${file}
done

echo ${EARG} "MP	 : " ${EOL} ; size_files $MPLIST

echo
for file in $OPTMANLIST
do
  base=`basename ${file}`
  echo ${EARG} "${base}	: " ${EOL} ; size_files ${file}
done

echo
exit 0