56 lines
2.2 KiB
Bash
Executable File
56 lines
2.2 KiB
Bash
Executable File
#!/bin/bash -e
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# Copyright 2020 Google Inc. All rights reserved.
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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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# Generates NDK API txt file used by Mainline modules. NDK APIs would have value
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# "UND" in Ndx column and have suffix "@LIB_NAME" in Name column.
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# For example, current line llvm-readelf output is:
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# 1: 00000000 0 FUNC GLOBAL DEFAULT UND dlopen@LIBC
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# After the parse function below "dlopen" would be write to the output file.
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printHelp() {
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echo "**************************** Usage Instructions ****************************"
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echo "This script is used to generate the Mainline modules backed-by NDK symbols."
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echo ""
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echo "To run this script use: ./ndk_backedby_module.sh \$BINARY_IMAGE_DIRECTORY \$OUTPUT_FILE_PATH \$NDK_LIB_NAME_LIST"
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echo "For example: If all the module image files that you would like to run is under directory '/myModule' and output write to /backedby.txt then the command would be:"
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echo "./ndk_usedby_module.sh /myModule /backedby.txt /ndkLibList.txt"
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echo "If the module1 is backing lib1 then the backedby.txt would contains: "
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echo "lib1"
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}
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genBackedByList() {
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dir="$1"
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[[ ! -e "$2" ]] && echo "" >> "$2"
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while IFS= read -r line
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do
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soFileName=$(echo "$line" | sed 's/\(.*so\).*/\1/')
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if [[ ! -z "$soFileName" && "$soFileName" != *"#"* ]]
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then
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find "$dir" -type f -name "$soFileName" -exec echo "$soFileName" >> "$2" \;
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fi
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done < "$3"
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}
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if [[ "$1" == "help" ]]
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then
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printHelp
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elif [[ "$#" -ne 3 ]]
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then
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echo "Wrong argument length. Expecting 3 argument representing image file directory, output path, path to ndk library list."
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else
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[[ -e "$2" ]] && rm "$2"
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genBackedByList "$1" "$2" "$3"
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fi
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