1#!/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 33