diff --git a/tools/gen_sdk_package_darling_dmg.sh b/tools/gen_sdk_package_darling_dmg.sh
index ccabe8b..3f7a9da 100755
--- a/tools/gen_sdk_package_darling_dmg.sh
+++ b/tools/gen_sdk_package_darling_dmg.sh
@@ -22,6 +22,8 @@ if [ $# -eq 0 ]; then
   exit 1
 fi
 
+XCODEDMG=$(make_absolute_path $1 $(get_exec_dir))
+
 mkdir -p $BUILD_DIR
 
 require modinfo
@@ -75,6 +77,6 @@ function cleanup()
 trap cleanup EXIT
 
 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$TARGET_DIR_SDK_TOOLS/lib \
-  $TARGET_DIR/SDK/tools/bin/darling-dmg $1 $TMP
+  $TARGET_DIR/SDK/tools/bin/darling-dmg $XCODEDMG $TMP
 
 XCODEDIR=$TMP ./tools/gen_sdk_package.sh
diff --git a/tools/gen_sdk_package_p7zip.sh b/tools/gen_sdk_package_p7zip.sh
index 8b7dd85..6e1c056 100755
--- a/tools/gen_sdk_package_p7zip.sh
+++ b/tools/gen_sdk_package_p7zip.sh
@@ -21,10 +21,7 @@ if [ $# -eq 0 ]; then
   exit 1
 fi
 
-case $1 in
-  /*) XCODEDMG="$1" ;;
-  *) XCODEDMG="$PWD/$1" ;;
-esac
+XCODEDMG=$(make_absolute_path $1 $(get_exec_dir))
 
 mkdir -p $BUILD_DIR
 
diff --git a/tools/gen_sdk_package_pbzx.sh b/tools/gen_sdk_package_pbzx.sh
index 8e4fc55..07d78dc 100755
--- a/tools/gen_sdk_package_pbzx.sh
+++ b/tools/gen_sdk_package_pbzx.sh
@@ -15,6 +15,8 @@ if [ $# -eq 0 ]; then
   exit 1
 fi
 
+XCODE=$(make_absolute_path $1 $(get_exec_dir))
+
 mkdir -p $BUILD_DIR
 pushd $BUILD_DIR &>/dev/null
 
@@ -36,10 +38,10 @@ create_tmp_dir
 
 pushd $TMP_DIR &>/dev/null
 
-echo "Extracting $1 (this may take several minutes) ..."
+echo "Extracting $XCODE (this may take several minutes) ..."
 
 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$TARGET_DIR/lib \
-  verbose_cmd "$TARGET_DIR/bin/xar -xf $1 -C $TMP_DIR"
+  verbose_cmd "$TARGET_DIR/bin/xar -xf $XCODE -C $TMP_DIR"
 
 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$TARGET_DIR/lib \
   verbose_cmd "$TARGET_DIR/SDK/tools/bin/pbzx -n Content | cpio -i"
diff --git a/tools/tools.sh b/tools/tools.sh
index 8e4cc91..236a9b9 100644
--- a/tools/tools.sh
+++ b/tools/tools.sh
@@ -189,6 +189,28 @@ function extract()
 }
 
 
+function get_exec_dir()
+{
+  local dirs=$(dirs)
+  echo ${dirs##* }
+}
+
+function make_absolute_path()
+{
+  local current_path
+
+  if [ $# -eq 1 ]; then
+    current_path=$PWD
+  else
+    current_path=$2
+  fi
+
+  case $1 in
+    /*) echo "$1" ;;
+     *) echo "${current_path}/$1" ;;
+  esac
+}
+
 function cleanup_tmp_dir()
 {
   if [ -n "$OC_KEEP_TMP_DIR" ]; then