ld.in

#!/bin/sh

set -e

fail () { echo >&2 "stunt ld: $*"; exit 127; }

noshift () { fail "no arg for $a"; }

ALLARGS=$*

CC=${REALCC:-cc}
LD=${LD:-ld}
OBJCOPY=${OBJCOPY:-objcopy}

LIBC=false

while [ $# != 0 ]; do
	a=$1; shift
	case "$a" in
	-m)
		march="$1"; shift || noshift
		outargs="$outargs $a $march"
		;;
	-o)
        	outfile="$1"; shift || noshift
        	;;
	--as-needed|--no-as-needed)
		;;
	--stunt-intermediate)
        	inter1="$1"; shift || noshift
        	inter2="$1"; shift || noshift
        	;;
	-lgcc|-lgcc_s)
		# added later
		;;
	-L*|-l*|-*|--whole-archive|--no-whole-archive)
		outargs="$outargs $a"
		;;
	*crt1.o|*crti.o|*crtbegin.o)
		CRTS="${CRTS} $a"
		;;
	*crtend.o|*crtn.o)
		CRTE="${CRTE} $a"
		;;
	*.o|*.ro|*.a)
		INFILES="${INFILES} $a"
		;;
	*)
		outargs="$outargs $a"
		;;
	esac
done

if [ x"$outfile" = x ]; then outfile=a.out; fi

# -lrt not always needed TODO work out at build time
UNAME=$(uname -s)
[ ${UNAME} = Linux ] && DLFLAG="-ldl -lrt"
LIBRARY_PATH=@PATH@/hostlib/lib
RUMPCLIENT="-L${LIBRARY_PATH} -Wl,-R${LIBRARY_PATH} -lrumpclient ${DLFLAG}"
LIBC=@PATH@/rump/lib/libc.a

TMPFILE1=$(mktemp /tmp/XXXXXXXXXXX).o
TMPFILE2=$(mktemp /tmp/XXXXXXXXXXX).o
TMPFILE3=$(mktemp /tmp/XXXXXXXXXXX).o
TMPFILE4=$(mktemp /tmp/XXXXXXXXXXX).o

${CC} ${LDFLAGS} -Wl,-r -nostdlib ${INFILES} -o ${TMPFILE1}
${OBJCOPY} --redefine-syms=@PATH@/host.map ${TMPFILE1} ${TMPFILE2}
${CC} ${LDFLAGS} -Wl,-r ${TMPFILE2} @PATH@/netbsd_init.o -nostdlib ${LIBC} -o ${TMPFILE3} 2>/dev/null
${OBJCOPY} --redefine-syms=@PATH@/namespace.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/extra.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/rump.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/weakasm.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/readwrite.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/emul.map ${TMPFILE3}
${OBJCOPY} --redefine-syms=@PATH@/netbsd.map ${TMPFILE3}
${CC} ${LDFLAGS} -Wl,-r -nostdlib -Wl,-dc ${TMPFILE3} @PATH@/readwrite.o -o ${TMPFILE4}  2>/dev/null
${OBJCOPY} --redefine-syms=@PATH@/errno.map ${TMPFILE4}
${OBJCOPY} -w --localize-symbol='*' ${TMPFILE4}
${OBJCOPY} -w --globalize-symbol='_netbsd_*' ${TMPFILE4}
${CC} ${LDFLAGS} ${TMPFILE4} @PATH@/emul.o @PATH@/rumpclient.o @PATH@/remoteinit.o ${RUMPCLIENT} -o ${outfile}

rm ${TMPFILE1} ${TMPFILE2} ${TMPFILE3} ${TMPFILE4}