preplib

#!/bin/bash
#
# create the def file for the library
# run it in the libb folder

find nix -name "*.o" \
  -not -name cxxglue.o \
  -not -name __eprintf.o  \
  -not -name assert.o  \
  -not -name ldiv.o  \
  -not -name fprintf.o  \
  -not -name fscanf.o  \
  -not -name printf.o  \
  -not -name scanf.o  \
  -not -name snprintf.o  \
  -not -name sprintf.o  \
  -not -name sscanf.o  \
  -not -name tmpfile.o  \
  -not -name tmpnam.o  \
  -not -name vfprintf.o  \
  -not -name vfscanf.o  \
  -not -name vprintf.o  \
  -not -name vscanf.o  \
  -not -name vsnprintf.o  \
  -not -name vsprintf.o  \
  -not -name vsscanf.o  \
  -not -name __vfprintf_total_size.o \
  -not -name __vwfprintf_total_size.o \
  -not -name tmpfile.o  \
  > ofiles.txt
find nix20   -name "*.o" \
  -not -name swapstack.o \
  -not -name __nocommandline.o \
  >> ofiles.txt
find nixmain -name "*.o" >> ofiles.txt
find math    -name "*.o" >> ofiles.txt

# all function names
rm -f all.def
while IFS="" read -r p || [ -n "$p" ]
do
  m68k-amigaos-objdump -t "$p" | grep " 0000 01" | grep " .text" | xargs -0 | grep .text | awk '{print $6;}' >> all.def
done < ofiles.txt

cat all.def | grep . | sort > alls.def

# check for duplicates
uniq -d alls.def

# find all using some Base or internal variables
rm -f tainted.txt
while IFS="" read -r p || [ -n "$p" ]
do
  x=$(m68k-amigaos-objdump -t "$p" | grep ' 0001 86\| 0000 21')
  if [ "$x" != "" ]; then
    m68k-amigaos-objdump -t "$p" | grep " 0000 01" | xargs -0 | awk '{print $6;}' | grep . >> tainted.txt
  fi
done < ofiles.txt

fs=0

while [ $fs != $(stat --printf="%s" tainted.txt) ]; do
  fs=$(stat --printf="%s" tainted.txt)
  echo $fs 
  cp tainted.txt tainted2.txt
  while IFS="" read -r p || [ -n "$p" ]
  do
    x=$(m68k-amigaos-objdump -t "$p" | grep -f tainted.txt)
    if [ "$x" != "" ]; then
      m68k-amigaos-objdump -t "$p" | grep " 0000 01" | xargs -0 | awk '{print $6;}' | grep . >> tainted2.txt
    fi
  done < ofiles.txt
  cat tainted2.txt | grep . | sort -u > tainted.txt
  rm -f tainted2.txt
done

# write libnix.def
rm -f libnix.def

while IFS="" read -r p || [ -n "$p" ]
do
  if [ "$(grep $p tainted.txt)" == "" ]
  then
    echo .direct $p >> libnix.def
  else
    echo .text $p >> libnix.def
  fi
done < alls.def

rm -f all.def
rm -f alls.def
rm -f tainted.txt
rm -f tainted2.txt

echo ".data ___sF" >>libnix.def
echo ".data ___errno" >>libnix.def
echo ".data __ctype_" >>libnix.def
echo ".data _environ_ptr" >>libnix.def
echo ".data ___timezone" >>libnix.def
echo ".data ___daylight" >>libnix.def
echo ".data ___tzname" >>libnix.def
echo ".data ___decimalpoint" >>libnix.def
echo ".data __impure_ptr" >>libnix.def