#!/bin/bash

# Copyright (C) 2024 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Read the ELF header from /proc/$PID/exe to determine if the process is
# 64-bit.

set -e

local PID="$1"
if [ "$PID" ] ; then
    if [[ "$(adb shell cat /proc/$PID/exe | xxd -l 1 -s 4 -p)" -eq "02" ]] ; then
        echo "64"
    else
        echo ""
    fi
else
    echo ""
fi

