#! /bin/bash

# Paranoid check to make sure we don't reinvoke ourselves, effectively
# making a fork()bomb
if [ -n "$LD_HUGETLBFS_RECURSION" ]; then
    exit 99
fi
export LD_HUGETLBFS_RECURSION=1

### SET DEFAULT LDSCRIPT PATH HERE ###
if [ -z "$HUGETLB_LDSCRIPT_PATH" ]; then
    # Assume this script is running from the libhugetlbfs source tree,
    # and look for the ldscripts accordingly
    HUGETLB_LDSCRIPT_PATH=$(dirname $(readlink $0))/ldscripts
fi

# Try to figure out what's the underlying linker to invoke
if [ -z "$LD" ]; then
    for x in $(which -a ld); do
	if [ "$x" != "$0" ]; then
	    LD="$x"
	    break
	fi
    done
fi

i=0
while [ -n "$1" ]; do
    arg="$1"
    case "$arg" in
	-m*)
	    EMU="${arg#-m}"
	    args[$i]="$arg"
	    i=$[i+1]
	    if [ -z "$EMU" ]; then
		shift
		EMU="$1"
		args[$i]="$1"
		i=$[i+1]
	    fi
	    ;;
	--hugetlbfs-link=*)
	    HTLB_LINK="${arg#--hugetlbfs-link=}"
	    ;;
	--hugetlbfs-script-path=*)
	    HUGETLB_LDSCRIPT_PATH="${arg#--hugetlbfs-script-path=}"
	    ;;
	--)
	    args=("${args[@]}" "$@")
	    break
	    ;;	   
	*)
	    args[$i]="$arg"
	    i=$[i+1]
	    ;;
    esac
    shift
done

if [ -n "$HTLB_LINK" ]; then
    LDSCRIPT="$EMU.x$HTLB_LINK"
    HTLBOPTS="-T${HUGETLB_LDSCRIPT_PATH}/${LDSCRIPT}"
fi

${LD} "${args[@]}" ${HTLBOPTS}