mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-16 06:15:08 -05:00
118 lines
3.3 KiB
Bash
118 lines
3.3 KiB
Bash
#!/bin/bash
|
|
#
|
|
# strip.sh - Strip debugging symbols from binary files
|
|
#
|
|
# Copyright (c) 2007-2016 Pacman Development Team <pacman-dev@archlinux.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
[[ -n "$LIBMAKEPKG_TIDY_STRIP_SH" ]] && return
|
|
LIBMAKEPKG_TIDY_STRIP_SH=1
|
|
|
|
LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
|
|
|
|
source "$LIBRARY/util/message.sh"
|
|
source "$LIBRARY/util/option.sh"
|
|
|
|
|
|
packaging_options+=('strip' 'debug')
|
|
tidy_modify+=('tidy_strip')
|
|
|
|
|
|
build_id() {
|
|
LANG=C readelf -n $1 | sed -n '/Build ID/ { s/.*: //p; q; }'
|
|
}
|
|
|
|
strip_file() {
|
|
local binary=$1; shift
|
|
|
|
if check_option "debug" "y"; then
|
|
local bid=$(build_id "$binary")
|
|
|
|
# has this file already been stripped
|
|
if [[ -n "$bid" ]]; then
|
|
if [[ -f "$dbgdir/.build-id/${bid:0:2}/${bid:2}.debug" ]]; then
|
|
return
|
|
fi
|
|
elif [[ -f "$dbgdir/$binary.debug" ]]; then
|
|
return
|
|
fi
|
|
|
|
mkdir -p "$dbgdir/${binary%/*}"
|
|
objcopy --only-keep-debug "$binary" "$dbgdir/$binary.debug"
|
|
objcopy --add-gnu-debuglink="$dbgdir/${binary#/}.debug" "$binary"
|
|
|
|
# create any needed hardlinks
|
|
while read -rd '' file ; do
|
|
if [[ "${binary}" -ef "${file}" && ! -f "$dbgdir/${file}.debug" ]]; then
|
|
mkdir -p "$dbgdir/${file%/*}"
|
|
ln "$dbgdir/${binary}.debug" "$dbgdir/${file}.debug"
|
|
fi
|
|
done < <(find . -type f -perm -u+w -print0 2>/dev/null)
|
|
|
|
if [[ -n "$bid" ]]; then
|
|
local target
|
|
mkdir -p "$dbgdir/.build-id/${bid:0:2}"
|
|
|
|
target="../../../../../${binary#./}"
|
|
target="${target/..\/..\/usr\/lib\/}"
|
|
target="${target/..\/usr\/}"
|
|
ln -s "$target" "$dbgdir/.build-id/${bid:0:2}/${bid:2}"
|
|
|
|
target="../../${binary#./}.debug"
|
|
ln -s "$target" "$dbgdir/.build-id/${bid:0:2}/${bid:2}.debug"
|
|
fi
|
|
fi
|
|
|
|
strip $@ "$binary"
|
|
}
|
|
|
|
|
|
tidy_strip() {
|
|
if check_option "strip" "y"; then
|
|
msg2 "$(gettext "Stripping unneeded symbols from binaries and libraries...")"
|
|
# make sure library stripping variables are defined to prevent excess stripping
|
|
[[ -z ${STRIP_SHARED+x} ]] && STRIP_SHARED="-S"
|
|
[[ -z ${STRIP_STATIC+x} ]] && STRIP_STATIC="-S"
|
|
|
|
if check_option "debug" "y"; then
|
|
dbgdir="$pkgdir-@DEBUGSUFFIX@/usr/lib/debug"
|
|
mkdir -p "$dbgdir"
|
|
fi
|
|
|
|
local binary strip_flags
|
|
find . -type f -perm -u+w -print0 2>/dev/null | while read -rd '' binary ; do
|
|
case "$(file -bi "$binary")" in
|
|
*application/x-sharedlib*) # Libraries (.so)
|
|
strip_flags="$STRIP_SHARED";;
|
|
*application/x-archive*) # Libraries (.a)
|
|
strip_flags="$STRIP_STATIC";;
|
|
*application/x-object*)
|
|
case "$binary" in
|
|
*.ko) # Kernel module
|
|
strip_flags="$STRIP_SHARED";;
|
|
*)
|
|
continue;;
|
|
esac;;
|
|
*application/x-executable*) # Binaries
|
|
strip_flags="$STRIP_BINARIES";;
|
|
*)
|
|
continue ;;
|
|
esac
|
|
strip_file "$binary" ${strip_flags}
|
|
done
|
|
fi
|
|
}
|