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#!/bin/bash
set -e -o pipefail
# This script copies a locally built GLIBC to a remote device.
#
# Usage: push_glibc <target>...
#
# This script works with 64-bit (amd64 or arm64) ChromeOS targets.
# It copies both 32-bit and 64-bit glibc loaders onto the device.
# This allows loading and running both 32-bit and 64-bit binaries
# on the same device.
for target in "$@"
do
echo -n "pushing glibc to ${target} ... "
case "$(ssh -i ${HOME}/.ssh/testing_rsa ${target} uname -m)" in
x86_64)
glibc="/usr/x86_64-cros-linux-gnu/lib64"
loader="ld-linux-x86-64.so.2"
glibc32="/usr/i686-pc-linux-gnu/lib"
loader32="ld-linux.so.2"
;;
aarch64)
glibc="/usr/aarch64-cros-linux-gnu/lib64"
loader="ld-linux-aarch64.so.1"
glibc32="/usr/armv7a-cros-linux-gnueabihf/lib"
loader32="ld-linux-armhf.so.3"
;;
*)
echo "unknown arch"
continue
;;
esac
target_sh ${target} "rm -rf /tmp/glibc"
target_sh ${target} "mkdir -p /tmp/glibc"
target_cp "${glibc}" ${target}:/tmp/glibc
target_sh ${target} "rm -rf /tmp/glibc32"
target_sh ${target} "mkdir -p /tmp/glibc32"
target_cp "${glibc32}" ${target}:/tmp/glibc32
echo "#!/bin/bash" > /tmp/ld.so
echo "LD_LIBRARY_PATH=/tmp/glibc/${glibc##*/} exec /tmp/glibc/${glibc##*/}/${loader} \"\$@\"" >> /tmp/ld.so
chmod +x /tmp/ld.so
target_cp /tmp/ld.so ${target}:/tmp/glibc
rm /tmp/ld.so
echo "#!/bin/bash" > /tmp/ld.so
echo "LD_LIBRARY_PATH=/tmp/glibc32/${glibc32##*/} exec /tmp/glibc32/${glibc32##*/}/${loader32} \"\$@\"" >> /tmp/ld.so
chmod +x /tmp/ld.so
target_cp /tmp/ld.so ${target}:/tmp/glibc32
rm /tmp/ld.so
echo "done"
done
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