| #!/bin/bash |
| |
| # |
| # Copyright (C) 2016 The Android Open Source Project |
| # |
| # Permission is hereby granted, free of charge, to any person |
| # obtaining a copy of this software and associated documentation |
| # files (the "Software"), to deal in the Software without |
| # restriction, including without limitation the rights to use, copy, |
| # modify, merge, publish, distribute, sublicense, and/or sell copies |
| # of the Software, and to permit persons to whom the Software is |
| # furnished to do so, subject to the following conditions: |
| # |
| # The above copyright notice and this permission notice shall be |
| # included in all copies or substantial portions of the Software. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| # SOFTWARE. |
| # |
| |
| # This shell-script checks the symbols in libavb_host.a and fails |
| # if a reference not starting with avb_ is referenced. It's intended |
| # to catch mistakes where the standard C library is inadvertently |
| # used. |
| |
| set -e |
| |
| SYMBOLS_FILE=$(mktemp /tmp/libavb_host_symbols.XXXXXXXXXX) |
| |
| trap "rm -f '${SYMBOLS_FILE}'" EXIT |
| |
| readelf --symbols --wide "${ANDROID_HOST_OUT}/obj/STATIC_LIBRARIES/libavb_host_intermediates/libavb_host.a" | \ |
| awk '$7 == "UND" && $8 != "" {print $8}' | \ |
| grep -v ^avb_ | \ |
| sort -u > "${SYMBOLS_FILE}" |
| |
| # If this file is non-empty, it means that the library is using |
| # symbols not starting with "avb_". |
| if [ -s "${SYMBOLS_FILE}" ] ; then |
| echo "ERROR: $0: Unexpected symbols in libavb_host:" >&2 |
| cat "${SYMBOLS_FILE}" >&2 |
| exit 1 |
| fi |