| #!/usr/bin/env python3 |
| # |
| # Copyright (C) 2024 The Android Open Source Project |
| # |
| # 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. |
| # |
| |
| """ |
| This script is used as a replacement for the Rust linker to allow fine-grained |
| control over the what gets emitted to the linker. |
| """ |
| |
| import os |
| import shutil |
| import subprocess |
| import sys |
| import argparse |
| |
| replacementVersionScript = None |
| |
| argparser = argparse.ArgumentParser() |
| argparser.add_argument('--android-clang-bin', required=True) |
| args = argparser.parse_known_args() |
| clang_args = [args[0].android_clang_bin] + args[1] |
| |
| for i, arg in enumerate(clang_args): |
| if arg.startswith('-Wl,--android-version-script='): |
| replacementVersionScript = arg.split("=")[1] |
| del clang_args[i] |
| break |
| |
| if replacementVersionScript: |
| versionScriptFound = False |
| for i, arg in enumerate(clang_args): |
| if arg.startswith('-Wl,--version-script='): |
| clang_args[i] ='-Wl,--version-script=' + replacementVersionScript |
| versionScriptFound = True |
| break |
| |
| if not versionScriptFound: |
| # If rustc did not emit a version script, just append the arg |
| clang_args.append('-Wl,--version-script=' + replacementVersionScript) |
| try: |
| subprocess.run(clang_args, encoding='utf-8', check=True) |
| except subprocess.CalledProcessError as e: |
| sys.exit(-1) |
| |