gcc emulating advanced edg wrapper script

diff --git a/ir/be/tools/eccp b/ir/be/tools/eccp
new file mode 100644 (file)
index 0000000..bdf767d
--- /dev/null
+++ b/ir/be/tools/eccp
@@ -0,0 +1,142 @@
+#!/bin/sh
+#
+# Wrapper script for edg to simulate most common gcc flags
+#
+# This is not perfectly exact but should be good enough for most cases in
+# practice :)
+# @author: Matthias Braun
+#
+
+EDGFLAGS="-b vrfy=assert -b ra-chordal-vrfy=assert -fno-reassociation --gnu=30305 --c -I/usr/lib/gcc-lib/i586-suse-linux/3.3.5/include"
+
+ASSEMBLEFLAGS=""
+LFLAGS=""
+OPT0="-fno-opt"
+OPT1=""
+OPT2="-fno-strength-red"
+OPT3="-finline -fif-conv -fno-strength-red"
+
+mode=LINK
+declare -a LFLAGS
+declare -a CPPFLAGS
+declare -a CFLAGS
+declare -a CFILES
+declare -a SFILES
+declare -a OFILES
+OPTFLAGS=""
+OUTFILE=""
+DEBUG=""
+# parse commandline
+while [ -n "$1" ]
+do
+       case "$1" in
+               -S )    mode=COMPILE;;
+               -c )    mode=ASSEMBLE;;
+               -E )    mode=PREPROCESS;;
+               -o )    echo "OUT"; shift ; OUTFILE="$1";;
+               -o* )   OUTFILE="`echo "$1" | sed -e "s/^-o//"`";;
+               -v )    DEBUG="1";;
+               --version )     echo "eccp version 0.1"; exit 0;;
+               -Wl,* ) ;; # TODO
+               -Wa,* ) ;;
+               -Wp,* ) ;;
+               -l )    LFLAGS=("${LFLAGS[@]}" "-l $1");;
+               -L )    LFLAGS=("${LFLAGS[@]}" "-L $1");;
+               -l* | -L* )     LFLAGS=("${LFLAGS[@]}" "$1");;
+               -W* )   ;; #TODO
+               -f* )   ;; #TODO
+               -march=* )      ;;# TODO
+               -g* )   ;; # TODO
+               -pipe ) ;;
+               -MF ) shift;; # TODO
+               -MT ) shift;; # TODO
+               -MD | -MP | -MM | -MG ) ;;
+               -I ) shift; CPPFLAGS=("${CPPFLAGS[@]}" "-I $1");;
+               -D ) shift; CPPFLAGS=("${CPPFLAGS[@]}" "-D $1");;
+               -D* | -I* )     CPPFLAGS=("${CPPFLAGS[@]}" "$1");;
+               -O0 )   OPTFLAGS="$OPT0";;
+               -O | -O1 )      OPTFLAGS="$OPT1";;
+               -O2 )   OPTFLAGS="$OPT2";;
+
+               -O* )   OPTFLAGS="$OPT3";;
+
+               -*      )   echo "WARNING: Unknown option $1" >& 2; exit 1;;
+
+               *.c )   CFILES=("${CFILES[@]}" "$1");;
+               *.s )   SFILES=("${SFILES[@]}" "$1");;
+               *.o )   OFILES=("${OFILES[@]}" "$1");;
+               * )     echo "WARNING: file format $1 not recognized" >&2;
+                       exit 1;;
+       esac
+       shift
+done
+CFLAGS=("${CFLAGS[@]}" $OPTFLAGS)
+
+if [ "$DEBUG" == "1" ]; then
+       echo "OPTFLAGS ${OPTFLAGS}"
+       echo "CFLAGS ${CFLAGS[*]}"
+       echo "CPPFLAGS ${CPPFLAGS[*]}"
+       echo "LFLAGS ${LFLAGS[*]}"
+       echo "CFILES ${CFILES[*]}"
+       echo "SFILES ${SFILES[*]}"
+       echo "OFILES ${OFILE[*]}"
+       echo "OUTFILE $OUTFILE"
+fi
+
+if [ "$mode" = "LINK" -a "$OUTFILE" = "" ] ; then
+       OUTFILE="a.out"
+fi
+
+if [ "$mode" = "PREPROCESS" ] ; then
+       for cfile in "${CFILES[@]}"; do
+               OUTFLAGS=""
+               if [ -n "$OUTFILE" ] ; then
+                       OUTFLAGS="-o$OUTFILE"
+               fi
+
+               if [ "$DEBUG" = "1" ]; then
+                       echo gcc -E "${CPPFLAGS[@]}" "$cfile" "$OUTFLAGS"
+               fi
+               gcc -E "${CPPFLAGS[@]}" "$cfile" "$OUTFLAGS" || exit $?
+       done
+       exit 0
+fi
+
+if [ "$mode" = "COMPILE" -o "$mode" = "ASSEMBLE" -o $mode = "LINK" ] ; then
+       for cfile in "${CFILES[@]}"; do
+               if [ -n "$OUTFILE" -a "$mode" = "COMPILE" ] ; then
+                       sfile="$OUTFILE"
+               else
+                       sfile="`dirname "$cfile"`/`basename "$cfile" .c`.s"
+               fi
+
+               if [ "$DEBUG" = "1" ]; then
+                       echo edg $EDGFLAGS "${CPPFLAGS[@]}" "${CFLAGS[@]}" "$cfile" -o "$sfile"
+               fi
+               edg $EDGFLAGS "${CPPFLAGS[@]}" "${CFLAGS[@]}" "$cfile" || exit $?
+
+               SFILES=("${SFILES[@]}" "$sfile")
+       done
+fi
+
+if [ "$mode" = "ASSEMBLE" -o "$mode" = "LINK" ] ; then
+       for sfile in "${SFILES[@]}"; do
+               if [ -n "$OUTFILE" -a $mode = "ASSEMBLE" ] ; then
+                       ofile="$OUTFILE"
+               else
+                       ofile="`dirname "$sfile"`/`basename "$sfile" .s`.o"
+               fi
+               if [ "$DEBUG" = "1" ]; then
+                       echo gcc $ASSEMBLEFLAGS "$sfile" -c -o "$ofile"
+               fi
+               gcc $ASSEMBLEFLAGS "$sfile" -c -o "$ofile" || exit $?
+               OFILES=("${OFILES[@]}" "$ofile")
+       done
+fi
+
+if [ $mode = "LINK" ] ; then
+       if [ "$DEBUG" = "1" ]; then
+               echo gcc ${LFLAGS[@]} ${OFILES[@]} -o "$OUTFILE"
+       fi
+       gcc ${LFLAGS[@]} ${OFILES[@]} -o "$OUTFILE"
+fi