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58 lines
1.7 KiB
58 lines
1.7 KiB
#!/bin/sh
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Purpose
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#
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# Show symbols in the X.509 and TLS libraries that are defined in another
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# libmbedtlsXXX.a library. This is usually done to list Crypto dependencies.
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#
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# Usage:
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# - build the library with debug symbols and the config you're interested in
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# (default, full minus MBEDTLS_USE_PSA_CRYPTO, full, etc.)
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# - run this script with the name of your config as the only argument
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set -eu
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# list mbedtls_ symbols of a given type in a static library
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syms() {
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TYPE="$1"
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FILE="$2"
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nm "$FILE" | sed -n "s/[0-9a-f ]*${TYPE} \(mbedtls_.*\)/\1/p" | sort -u
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}
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# create listings for the given library
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list() {
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NAME="$1"
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FILE="library/libmbed${NAME}.a"
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PREF="${CONFIG}-$NAME"
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syms '[TRrD]' $FILE > ${PREF}-defined
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syms U $FILE > ${PREF}-unresolved
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diff ${PREF}-defined ${PREF}-unresolved \
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| sed -n 's/^> //p' > ${PREF}-external
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sed 's/mbedtls_\([^_]*\).*/\1/' ${PREF}-external \
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| uniq -c | sort -rn > ${PREF}-modules
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rm ${PREF}-defined ${PREF}-unresolved
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}
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CONFIG="${1:-unknown}"
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list x509
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list tls
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