78 lines
1.5 KiB
Bash
Executable File
78 lines
1.5 KiB
Bash
Executable File
#! /bin/bash
|
|
#
|
|
# Copyright 2019 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.
|
|
|
|
usage() {
|
|
cat >&2 <<EOF
|
|
Determine and print the 32- or 64-bit architecture of a device.
|
|
|
|
Usage:
|
|
$0 --32 Select the 32-bit architecture
|
|
$0 --64 Select the 64-bit architecture
|
|
EOF
|
|
exit 1
|
|
}
|
|
|
|
check_32bit() {
|
|
if ! adb shell test -e /system/bin/linker; then
|
|
echo >&2 "Device does not have 32-bit support"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
if [[ $# -ne 1 ]]; then
|
|
usage
|
|
fi
|
|
|
|
uname_m="$(adb shell uname -m)"
|
|
|
|
case "$1" in
|
|
(--32)
|
|
case $uname_m in
|
|
(armv*)
|
|
echo arm
|
|
;;
|
|
(i?86)
|
|
echo x86
|
|
;;
|
|
(aarch64)
|
|
check_32bit
|
|
echo arm
|
|
;;
|
|
(x86_64)
|
|
check_32bit
|
|
echo x86
|
|
;;
|
|
(*)
|
|
echo >&2 "Unknown ISA: $uname_m"
|
|
exit 1
|
|
esac
|
|
;;
|
|
(--64)
|
|
case $uname_m in
|
|
(aarch64)
|
|
echo arm64
|
|
;;
|
|
(x86_64)
|
|
echo x86_64
|
|
;;
|
|
(*)
|
|
echo >&2 "Unknown ISA: $uname_m"
|
|
exit 1
|
|
esac
|
|
;;
|
|
(*) usage;;
|
|
esac
|