blob: 35bbcc3c8ef613e0f6153dd1f0aa3b6f0ff09dfe [file] [log] [blame]
Joe Onoratoded5d2d2024-05-24 14:13:47 -07001#!/bin/bash
2
3# Copyright (C) 2024 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Read the ELF header from /proc/$PID/exe to determine if the process is
18# 64-bit.
19
20set -e
21
22local PID="$1"
23if [ "$PID" ] ; then
24 if [[ "$(adb shell cat /proc/$PID/exe | xxd -l 1 -s 4 -p)" -eq "02" ]] ; then
25 echo "64"
26 else
27 echo ""
28 fi
29else
30 echo ""
31fi
32