62 lines
1.7 KiB
Bash
62 lines
1.7 KiB
Bash
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#!/bin/bash
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# This script is supposed to verify which compiler (GCC or clang) was
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# used to build the packages in a ChromeOS image. To use the script,
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# just pass the path to the tree containing the *.debug files for a
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# ChromeOS image. It then reads the debug info in each .debug file
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# it can find, checking the AT_producer field to determine whether
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# the package was built with clang or GCC. It counts the total
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# number of .debug files found as well as how many are built with
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# each compiler. It writes out these statistics when it is done.
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#
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# For a locally-built ChromeOS image, the debug directory is usually:
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# ${chromeos_root}/chroot/build/${board}/usr/lib/debug (from outside
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# chroot)
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# or
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# /build/${board}/usr/lib/debug (from inside chroot)
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#
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# For a buildbot-built image you can usually download the debug tree
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# (using 'gsutil cp') from
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# gs://chromeos-archive-image/<path-to-your-artifact-tree>/debug.tgz
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# After downloading it somewhere, you will need to uncompress and
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# untar it before running this script.
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#
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DEBUG_TREE=$1
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clang_count=0
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gcc_count=0
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file_count=0
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# Verify the argument.
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if [[ $# != 1 ]]; then
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echo "Usage error:"
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echo "compiler-test.sh <debug_directory>"
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exit 1
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fi
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if [[ ! -d ${DEBUG_TREE} ]] ; then
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echo "Cannot find ${DEBUG_TREE}."
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exit 1
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fi
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cd ${DEBUG_TREE}
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for f in `find . -name "*.debug" -type f` ; do
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at_producer=`readelf --debug-dump=info $f | head -25 | grep AT_producer `;
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if echo ${at_producer} | grep -q 'GNU C' ; then
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((gcc_count++))
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elif echo ${at_producer} | grep -q 'clang'; then
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((clang_count++));
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fi;
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((file_count++))
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done
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echo "GCC count: ${gcc_count}"
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echo "Clang count: ${clang_count}"
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echo "Total file count: ${file_count}"
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exit 0
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