!587 Add iccarm_link_helper.sh for iccarm toolchain

Merge pull request !587 from weifulun/link_helper

toolchain/iccarm.gni

@@ -101,8 +101,8 @@ template("iccarm_toolchain") {
       if (need_strip) {
         unstripped_outfile = "{{output_dir}}/unstripped/bin/{{target_output_name}}{{output_extension}}"
       }
-      command += "$ld {{ldflags}} $extra_ldflags " +
-                 "{{inputs}} {{libs}} -o $unstripped_outfile"
+      link_helper = rebase_path("//build/lite/toolchain/iccarm_link_helper.sh")
+      command += "$ld {{ldflags}} $extra_ldflags \$($link_helper {{inputs}} {{libs}}) -o $unstripped_outfile"
       if (need_strip) {
         command += " && $strip \"$unstripped_outfile\" \"$outfile\""
       }

toolchain/iccarm_link_helper.sh

+#!/bin/bash
+# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+
+ret=""
+
+for obj in "$@"; do
+    case "${obj}" in
+    *.a) ret="${ret} --whole_archive ${obj}" ;;
+    *) ret="${ret} ${obj}" ;;
+    esac
+done
+
+echo "${ret}"