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https://github.com/physwizz/a155-U-u1.git
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61 lines
1.8 KiB
Bash
Executable File
61 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (C) 2020 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may 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,
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# WITHOUT 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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if [ "$#" -ne 2 ]; then
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echo "ERROR: illegal number of parameters" >&2
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echo "Usage: compare_to_wl <path/to/Module.symvers> <path/to/symbol-list>" >&2
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exit 1
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fi
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ksymtab=$(mktemp)
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symbollist=$(mktemp)
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# List of objects, typically vmlinux + GKI modules
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objects="${KMI_STRICT_MODE_OBJECTS:-vmlinux}"
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objects=($objects)
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# Parse Module.symvers, and ignore non-exported and vendor-specific symbols
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cut -d$'\t' -f2- $1 | while read line; do
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ksym=($line) # 0=symbol name; 1=object name; 2=export type
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if [[ "${ksym[2]}" != "EXPORT_SYMBOL"* ]]; then
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continue
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elif [[ ! " ${objects[@]} " =~ " ${ksym[1]} " ]]; then
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continue
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fi
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echo "${ksym[0]}"
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done | sort -u > $ksymtab
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sort -u "$2" > $symbollist
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delta=$(diff -u $ksymtab $symbollist | grep -v ' ')
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cat $ksymtab > ksymtab.txt
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cat $symbollist > symbollist.txt
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echo $delta > delta.txt
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#rm $ksymtab $symbollist
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if [ -n "$delta" ]; then
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echo "ERROR: Differences between ksymtab and symbol list detected!" >&2
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echo "Symbols missing from ksymtab:" >&2
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echo "$delta" | sed -n -e 's/^+/ - /p' >&2
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echo "Symbols missing from symbol list:" >&2
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echo "$delta" | sed -n -e 's/^-/ - /p' >&2
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cat ./build/Notice_KMI_violation
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exit 1
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fi
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echo "There is no KMI violation"
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