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#! /bin/sh -e
PATCHELF="../src/patchelf"
SONAME="phdr-corruption.so"
SCRATCH="scratch/$(basename "$0" .sh)"
SCRATCH_SO="${SCRATCH}/${SONAME}"
READELF=${READELF:-readelf}
rm -rf "${SCRATCH}"
mkdir -p "${SCRATCH}"
cp "${SONAME}" "${SCRATCH}"
"${PATCHELF}" --set-rpath "$(pwd)" "${SCRATCH_SO}"
# Check for PT_PHDR entry VirtAddr corruption
readelfData=$(${READELF} -l "${SCRATCH_SO}" 2>&1)
if [ "$(echo "$readelfData" | grep -c "PHDR")" != 1 ]; then
# Triggered if PHDR errors appear on stderr
echo "ERROR: Unexpected number of occurences of PHDR in readelf results!"
exit 1
fi
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