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#!/bin/bash
# Copyright 2008-2011 Brian Harring <ferringb@gmail.com>: BSD/GPL2
# Copyright 1999-2007 Gentoo Foundation: GPL2
# Distributed under the terms of the GNU General Public License v2
shopt -s extdebug
source "${PKGCORE_BIN_PATH}"/exit-handling.lib || { echo "failed loading libs"; exit -127; }
source "${PKGCORE_BIN_PATH}"/isolated-functions.lib || {
echo "failed sourcing isolated-functions.lib"
exit -1
}
# exit if the feature isn't requested, or the restrict isn't there.
__feature_is_enabled installsources || exit 0
__safe_has installsources ${RESTRICT} && exit 0
if ! ${PKGCORE_PREFIX_SUPPORT:=false}; then
ED=${D}
elif [[ ${ED:-unset} == "unset" ]]; then
echo "The variable ED is missing from the environment, but is required for prefix mode; failing."
exit -1
fi
for x in debugedit scanelf rsync sort; do
if ! type -P ${x} >/dev/null; then
ewarn "FEATURES=installsources is enabled but the ${x} binary could not"
ewarn "be found. This feature will not work unless debugedit is installed!"
exit 0
fi
done
save_elf_sources() {
local x=$1
local sources_dir=/usr/src/debug/${CATEGORY}/${PF}
debugedit -b "${WORKDIR}" -d "${sources_dir}" \
-l "${T}"/debug.sources "${x}"
if [[ -s ${T}/debug.sources ]]; then
[[ -d ${ED}${sources_dir} ]] || mkdir -p "${ED}${sources_dir}"
grep -zv '/<built-in>$' "${T}"/debug.sources | \
(cd "${WORKDIR}"; LANG=C sort -z -u | \
rsync -rtL0 --files-from=- "${WORKDIR}/" "${ED}${sources_dir}/" )
fi
}
# The existence of the section .symtab tells us that a binary is stripped.
# We want to log already stripped binaries, as this may be a QA violation.
# They prevent us from getting the splitdebug data.
if ! __safe_has binchecks ${RESTRICT} && ! __safe_has strip ${RESTRICT}; then
f=$(scanelf -yqRBF '#k%F' -k '!.symtab' "$@")
if [[ -n ${f} ]]; then
echo -e "\a\n"
ewarn "QA Notice: Pre-stripped files found:"
ewarn "${f}"
echo "${f}" > "${T}"/scanelf-already-stripped.log
fi
fi
# Now we look for unstripped binaries.
for x in $(scanelf -yqRBF '#k%F' -k '.symtab' "$@"); do
f=$(file "${x}") || continue
[[ -z ${f} ]] && continue
# only split debug info for final linked objects
# or kernel modules as debuginfo for intermediatary
# files (think crt*.o from gcc/glibc) is useless and
# actually causes problems. install sources for all
# elf types though cause that stuff is good.
if [[ ${f} == *"SB executable"* || ${f} == *"SB shared object"* ]]; then
save_elf_sources "${x}"
elif [[ ${f} == *"SB relocatable"* ]]; then
save_elf_sources "${x}"
fi
done
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