supersize: Track symbol aliases and shared symbols

tools/binary_size/libsupersize/testdata/create-test-size.sh

Index: tools/binary_size/libsupersize/testdata/create-test-size.sh
diff --git a/tools/binary_size/libsupersize/testdata/create-test-size.sh b/tools/binary_size/libsupersize/testdata/create-test-size.sh
new file mode 100755
index 0000000000000000000000000000000000000000..5856dc5c6fdc2ce4b3c9057b73e7c0dd63fe0e04
--- /dev/null
+++ b/tools/binary_size/libsupersize/testdata/create-test-size.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+base_dir=$(dirname "$0")
+abs_base_dir=$(python -c "import os; print os.path.abspath('$base_dir')")
+toolchain_dir=$abs_base_dir/mock_toolchain
+export PATH="$toolchain_dir:$PATH"
+echo "Added to PATH: $toolchain_dir"
+set -x
+exec $base_dir/../main.py archive test.size \
+    --map-file $base_dir/test.map \
+    --elf-file $base_dir/mock_output_directory/elf