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- #!/bin/sh -
- #
- # This file is simply an example of what can be done using the new binary
- # and symbol table output functions. It produces a byte array with the
- # symbols in the object as array references within it.
- #
- # The output is a Linux OMAGIC binary created by ld86 -N, this means the
- # object can be linked directly to C-functions created by the same GCC that
- # compiled ld86.
- #
- # Use it in a makefile:
- #
- # .s86.o:
- # as86_to_data $*.s86 $*.o $(AS86FLAGS)
- #
- [ $# -lt 2 ] && {
- echo "Usage: `basename $0` infile outfile [as86 opts]" 1>&2
- exit 1
- }
- trap "rm -f _$$.* ; exit 99" 1 2 3 15
- LIBDIR='%%LIBDIR%%' # Set by make install
- [ -d "$LIBDIR" ] || LIBDIR='%%BINDIR%%'
- [ -d "$LIBDIR" ] || LIBDIR=/usr/bin
- IFILE="$1"
- OFILE="$2"
- shift ; shift
- RV=0
- $LIBDIR/as86 "$@" "$IFILE" -b _$$.bin -s _$$.sym || RV=$?
- [ "$RV" = 0 ] && {
- (
- cat _$$.sym
- echo %%%%
- od -v -t uC _$$.bin
- echo %%%%
- ) | \
- awk > _$$.v ' BEGIN{
- startaddr="";
- printf ".text\n.data\n";
- }
- /^%%%%$/ { flg++;
- next;
- }
- flg==0 {
- if(NF == 0) next;
- if( substr($2,1,4) == "0000" ) $2=substr($2,5);
- if( $1 == "+" && $4 == "$start" )
- {
- if( $2 != "0000" ) startaddr=" - $" $2;
- }
- else if( substr($3, 1, 1) == "E" && $4 != "start" && $4 != "size" && $4 != "data" )
- {
- printf "export _%s\n", $4
- printf "_%s = * + $%s%s\n\n", $4, $2, startaddr;
- }
- next;
- }
- flg==1 {
- if(NF <= 1) next;
- printf " .byte ";
- for(i=2;i<NF;i++) printf("%3d,", $i);
- printf("%3d", $NF);
- printf "\n";
- }
- '
- RV=$?
- }
- [ "$RV" = 0 ] || { rm -f _$$.* ; exit $RV ; }
- # If you want to see the assembler.
- # cp _$$.v `basename $2 .o`.asm
- $LIBDIR/as86 -o _$$.o86 _$$.v || RV=$?
- [ "$RV" = 0 ] || { rm -f _$$.* ; exit $RV ; }
- $LIBDIR/ld86 -r -N _$$.o86 -o _$$.o || RV=$?
- [ "$RV" = 0 ] || { rm -f _$$.* ; exit $RV ; }
- if [ "X$OFILE" = "X-" ]
- then cat _$$.o
- else mv -f _$$.o "$OFILE" || RV=$?
- fi
- rm -f _$$.*
- exit $RV
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