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https://github.com/eclipse-cdt/cdt
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a588063b23
Because we build cross platform, we want to make sure no unexpected dependencies are introduced on newer or non-universal libraries in the native code. Change-Id: Ib8ffeb5f374bcd04514c31dca9d8297fed70343a
53 lines
2.2 KiB
Bash
Executable file
53 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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set -eu
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###
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# Check that all .so files in CDT for a given ${ARCH} (using ${PREFIX} toolchain)
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# use glibc symbols no greater than ${ALLOWED_GLIBC_VERSION} and depend on
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# no libs other than ${ALLOWED_LIBS}
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function check {
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ARCH=$1; shift
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PREFIX=$1; shift
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ALLOWED_GLIBC_VERSION=$1; shift
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ALLOWED_LIBS="$@"; shift
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ret_code=0
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while read line; do
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${PREFIX}-linux-gnu-readelf -d ${line} | grep -E '\(NEEDED\)' | while read needed; do
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needed=${needed//*Shared library: [/}
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needed=${needed//]*/}
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if [[ ! " ${ALLOWED_LIBS} " =~ " ${needed} " ]]; then
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echo "ERROR: $line has illegal dependency of ${needed}"
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ret_code=1
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fi
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done
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# The way the version check is done is that all symbol version info is extracted
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# from relocations match @GLIBC_*, the versions are sorted with the max
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# allowed version added to the list too. And then we check the last entry in
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# the list to make sure it is == to max allowed version.
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${PREFIX}-linux-gnu-objdump -R ${line} | grep @GLIBC_ | while read version; do
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echo ${version//*@GLIBC_}
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done > /tmp/version_check
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echo ${ALLOWED_GLIBC_VERSION} >> /tmp/version_check
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max_version_in_use=$(cat /tmp/version_check | sort --unique --version-sort | tail -n1)
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if [ "$max_version_in_use" != "$ALLOWED_GLIBC_VERSION" ]; then
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echo "ERROR: $line has dependency on glibc greater than allowed version of ${ALLOWED_GLIBC_VERSION} for at least the following symbols"
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# This only lists greatest version number symbols
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${PREFIX}-linux-gnu-objdump -R ${line} | grep @GLIBC_${max_version_in_use}
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ret_code=1
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fi
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done <<<$(git ls-files **/linux/${ARCH}/\*.so)
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return ${ret_code}
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}
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exit_code=0
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# This is the current set of allowed so dependencies for CDT code. Additional entries here are permitted,
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# provided they are found on all Linux machines by default.
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check aarch64 aarch64 2.17 libc.so.6 ld-linux-aarch64.so.1 || exit_code=1
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check x86_64 x86_64 2.4 libc.so.6 || exit_code=1
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check ppc64le powerpc64le 2.17 libc.so.6 || exit_code=1
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exit ${exit_code}
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