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#! /bin/sh
if [ $# -ne 2 ]; then
echo "cores_backtrace.sh <os> <directory>"
exit 1
fi
os=$1
directory=$2
case $os in
freebsd|linux|macos|netbsd|openbsd)
;;
*)
echo "unsupported operating system ${os}"
exit 1
;;
esac
first=1
for corefile in $(find "$directory" -type f) ; do
if [ "$first" -eq 1 ]; then
first=0
else
# to make it easier to separate the different crash reports
echo -e '\n\n'
fi
if [ "$os" = 'macos' ] || [ "$os" = 'openbsd' ]; then
lldb -c $corefile --batch -o 'thread backtrace all' -o 'quit'
else
auxv=$(gdb --quiet --core ${corefile} --batch -ex 'info auxv' 2>/dev/null)
if [ $? -ne 0 ]; then
echo "could not process ${corefile}"
continue
fi
if [ "$os" = 'freebsd' ]; then
binary=$(echo "$auxv" | grep AT_EXECPATH | perl -pe "s/^.*\"(.*)\"\$/\$1/g")
elif [ "$os" = 'netbsd' ]; then
binary=$(echo "$auxv" | grep AT_SUN_EXECNAME | perl -pe "s/^.*\"(.*)\"\$/\$1/g")
elif [ "$os" = 'linux' ]; then
binary=$(echo "$auxv" | grep AT_EXECFN | perl -pe "s/^.*\"(.*)\"\$/\$1/g")
else
echo 'should not get here'
exit 1
fi
echo "dumping ${corefile} for ${binary}"
gdb --batch --quiet -ex "thread apply all bt full" -ex "quit" "$binary" "$corefile" 2>/dev/null
fi
done
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