95 lines
1.8 KiB
Bash
Executable file
95 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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BDIR="$HOME/abc"
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objs="$BDIR/brt.o $BDIR/lib.o"
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BC="$BDIR/b"
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# compile in.b [out.s]
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compile() {
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if [ "${1##*.}" != "b" ]; then
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echo "Error: can only compile b files" >&2
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exit 1
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fi
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cout=$2
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[ "$cout" != "" ] || cout=${1%b}s
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tmp1=`mktemp`; tmp2=`mktemp`
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$BC $1 $tmp2 $tmp1
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retval=$?
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cat $tmp1 $tmp2 > $cout
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rm $tmp1 $tmp2
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[ $retval -eq 0 ] || rm $cout && return $retval
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echo $cout
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return $retval
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}
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# assemble in.{sb} [out.o]
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assemble() {
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atmp=""
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ain=$1
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aout=$2;
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if [ "${1##*.}" = "b" ]; then
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[ "$aout" != "" ] || aout=${ain%b}o
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ain=`mktemp --suffix=.s`
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compile $1 $ain >/dev/null || return 1
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atmp="foo"
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elif [ "${1##*.}" = "s" ]; then
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[ "$aout" != "" ] || aout=${ain%s}o
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else
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echo "Error: can only compile b and s files" >&2
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exit 1
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fi
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as --32 -g $ain -o $aout
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[ "$atmp" != "" ] && rm $ain
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echo $aout
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}
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out=""
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action="link"
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while getopts "o:Sc" o
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do case "$o" in
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o) out="$OPTARG";;
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S) action=compile;;
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c) action=assemble;;
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esac
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done
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shift $(($OPTIND - 1))
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# ignore -o option if more than one file given and not linking objs
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if [ $# -gt 1 ]; then
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if [ "$action" != "link" ]; then
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out=""
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fi
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fi
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[ $# -ne 1 ] && havelist=yes
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tmpobjs=""
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for i in $@; do
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if [ "$action" != "link" ]; then
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[ "$havelist" = "yes" ] && echo $i:
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$action $i $out >/dev/null
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[ $? -eq 0 ] || break=1
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else
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if [ "${i##*.}" = "o" ]; then
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objs="$objs $i"
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else
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[ "$havelist" = "yes" ] && echo $i:
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ltmp=`mktemp --suffix=.o`
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tmpobjs="$tmpobjs $ltmp"
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assemble $i $ltmp >/dev/null
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[ $? -eq 0 ] || break=1
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fi
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fi
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done
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if [ $break ]; then
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[ "$tmpobjs" = "" ] || rm $tmpobjs
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echo "Error" >&2
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exit 1
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fi
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if [ "$action" = "link" ]; then
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if [ "$out" = "" ]; then
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out="-o a.out"
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else
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out="-o $out"
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fi
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ld -m elf_i386 -T $BDIR/link.ld $out $objs $tmpobjs
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rm $tmpobjs
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fi
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