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