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