blob: da1f0b3f3f6ea0982622cee0cff8181ce3f3fd7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#!/bin/bash
progname="${0##*/}"
progname="${progname%.sh}"
# usage: check_elf_alignment.sh [path to *.so files|path to *.apk]
cleanup_trap() {
if [ -n "${tmp}" -a -d "${tmp}" ]; then
rm -rf ${tmp}
fi
exit $1
}
usage() {
echo "Host side script to check the ELF alignment of shared libraries."
echo "Shared libraries are reported ALIGNED when their ELF regions are"
echo "16 KB or 64 KB aligned. Otherwise they are reported as UNALIGNED."
echo
echo "Usage: ${progname} [input-path|input-APK]"
}
if [ ${#} -ne 1 ]; then
usage
exit
fi
case ${1} in
--help | -h | -\?)
usage
exit
;;
*)
dir="${1}"
;;
esac
if ! [ -f "${dir}" -o -d "${dir}" ]; then
echo "Invalid file: ${dir}" >&2
exit 1
fi
if [[ ${dir} == *.apk ]]; then
trap 'cleanup_trap' EXIT
dir_filename=$(basename ${dir})
tmp=$(mktemp -d -t ${dir_filename%.apk}_out_XXXXX)
unzip ${dir} lib/arm64-v8a/* lib/x86_64/* -d ${tmp} >/dev/null 2>&1
dir=${tmp}
fi
RED="\e[31m"
GREEN="\e[32m"
ENDCOLOR="\e[0m"
matches="$(find ${dir} -name "*.so" -type f)"
IFS=$'\n'
for match in $matches; do
res="$(objdump -p ${match} | grep LOAD | awk '{ print $NF }' | head -1)"
if [[ $res =~ "2**14" ]] || [[ $res =~ "2**16" ]]; then
echo -e "${match}: ${GREEN}ALIGNED${ENDCOLOR} ($res)"
else
echo -e "${match}: ${RED}UNALIGNED${ENDCOLOR} ($res)"
fi
done
|
