blob: 7656280823f261a5b1b5a642f71a7288bc3896f1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#!/bin/bash
#
# strip.sh - Strip debugging symbols from binary files
#
# Copyright (c) 2007-2017 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; }'
}
source_files() {
LANG=C readelf "$1" --debug-dump | \
awk '/DW_AT_name +:/{name=$8}/DW_AT_comp_dir +:/{print $8 "/" name}'
}
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/$binary.debug" ]]; then
return
fi
# copy source files to debug directory
local f t
while read -r f; do
t=${f/"$srcdir"/$dbgsrc}
mkdir -p "${t%/*}"
cp -- "$f" "$t"
done < <(source_files "$binary")
# adjust debug symbols to point at sources
debugedit -b "${srcdir}" -d /usr/src/debug/ -i "$binary" &> /dev/null
# copy debug symbols to debug directory
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 ${STRIP_STATIC+x} ]] && STRIP_STATIC="-S"
if check_option "debug" "y"; then
dbgdir="$pkgdirbase/$pkgbase-@DEBUGSUFFIX@/usr/lib/debug"
dbgsrc="$pkgdirbase/$pkgbase-@DEBUGSUFFIX@/usr/src/debug"
mkdir -p "$dbgdir" "$dbgsrc"
fi
local binary strip_flags
find . -type f -perm -u+w -print0 2>/dev/null | while read -rd '' binary ; do
case "$(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
}
|
