common/hooks/post-install/06-strip-and-debug-pkgs.sh

   1 # This hook executes the following tasks:
   2 #       - strips ELF binaries/libraries
   3 #       - generates -dbg pkgs
   4
   5 make_debug() {
   6         local dname= fname= dbgfile=
   7
   8         [ -n "$nodebug" ] && return 0
   9
  10         dname=${1%/*}/ ; dname=${dname#$PKGDESTDIR}
  11         fname="${1##*/}"
  12         dbgfile="${dname}/${fname}"
  13
  14         mkdir -p "${PKGDESTDIR}/usr/lib/debug/${dname}"
  15         $OBJCOPY --only-keep-debug --compress-debug-sections \
  16                 "$1" "${PKGDESTDIR}/usr/lib/debug/${dbgfile}"
  17         if [ $? -ne 0 ]; then
  18                 msg_red "${pkgver}: failed to create dbg file: ${dbgfile}\n"
  19                 return 1
  20         fi
  21         chmod 644 "${PKGDESTDIR}/usr/lib/debug/${dbgfile}"
  22 }
  23
  24 attach_debug() {
  25         local dname= fname= dbgfile=
  26
  27         [ -n "$nodebug" ] && return 0
  28
  29         dname=${1%/*}/ ; dname=${dname#$PKGDESTDIR}
  30         fname="${1##*/}"
  31         dbgfile="${dname}/${fname}"
  32
  33         $OBJCOPY --add-gnu-debuglink="${PKGDESTDIR}/usr/lib/debug/${dbgfile}" "$1"
  34         if [ $? -ne 0 ]; then
  35                 msg_red "${pkgver}: failed to attach dbg to ${dbgfile}\n"
  36                 return 1
  37         fi
  38 }
  39
  40 create_debug_pkg() {
  41         local _pkgname= _destdir=
  42
  43         [ -n "$nodebug" ] && return 0
  44         [ ! -d "${PKGDESTDIR}/usr/lib/debug" ] && return 0
  45
  46         _pkgname="${pkgname}-dbg-${version}"
  47         _destdir="${XBPS_DESTDIR}/${XBPS_CROSS_TRIPLET}/${_pkgname}"
  48         mkdir -p "${_destdir}/usr/lib"
  49         mv ${PKGDESTDIR}/usr/lib/debug ${_destdir}/usr/lib
  50         if [ $? -ne 0 ]; then
  51                 msg_red "$pkgver: failed to create debug pkg\n"
  52                 return 1
  53         fi
  54         printf "${pkgver} " >> ${_destdir}/rdeps
  55         rmdir --ignore-fail-on-non-empty "${PKGDESTDIR}/usr/lib" 2>/dev/null
  56         return 0
  57 }
  58
  59 hook() {
  60         local fname= x= f= _soname= STRIPCMD=
  61
  62         if [ -n "$nostrip" ]; then
  63                 return 0
  64         fi
  65
  66         STRIPCMD=/usr/bin/$STRIP
  67
  68         find ${PKGDESTDIR} -type f | while read -r f; do
  69                 if [[ $f =~ ^${PKGDESTDIR}/usr/lib/debug/ ]]; then
  70                         continue
  71                 fi
  72
  73                 fname=${f##*/}
  74                 for x in ${nostrip_files}; do
  75                         if [ "$x" = "$fname" -o "$x" = "${f#$PKGDESTDIR}" ]; then
  76                                 found=1
  77                                 break
  78                         fi
  79                 done
  80                 if [ -n "$found" ]; then
  81                         unset found
  82                         continue
  83                 fi
  84                 case "$(file -bi "$f")" in
  85                 application/x-executable*)
  86                         chmod +w "$f"
  87                         if [[ $(file $f) =~ "statically linked" ]]; then
  88                                 # static binary
  89                                 if ! $STRIPCMD "$f"; then
  90                                         msg_red "$pkgver: failed to strip ${f#$PKGDESTDIR}\n"
  91                                         return 1
  92                                 fi
  93                                 echo "   Stripped static executable: ${f#$PKGDESTDIR}"
  94                         else
  95                                 make_debug "$f"
  96                                 if ! $STRIPCMD "$f"; then
  97                                         msg_red "$pkgver: failed to strip ${f#$PKGDESTDIR}\n"
  98                                         return 1
  99                                 fi
 100                                 echo "   Stripped executable: ${f#$PKGDESTDIR}"
 101                                 unset nopie_found
 102                                 for x in ${nopie_files}; do
 103                                         if [ "$x" = "${f#$PKGDESTDIR}" ]; then
 104                                                 nopie_found=1
 105                                                 break
 106                                         fi
 107                                 done
 108                                 if [ -z "$nopie" ] && [ -z "$nopie_found" ]; then
 109                                         msg_red "$pkgver: non-PIE executable found in PIE build: ${f#$PKGDESTDIR}\n"
 110                                         return 1
 111                                 fi
 112                                 attach_debug "$f"
 113                         fi
 114                         ;;
 115                 application/x-sharedlib*|application/x-pie-executable*)
 116                         local type="$(file -b "$f")"
 117                         if [[ $type =~ "no machine" ]]; then
 118                                 # using ELF as a container format (e.g. guile)
 119                                 echo "   Ignoring ELF file without machine set: ${f#$PKGDESTDIR}"
 120                                 continue
 121                         fi
 122
 123                         chmod +w "$f"
 124                         # shared library
 125                         make_debug "$f"
 126                         if ! $STRIPCMD --strip-unneeded "$f"; then
 127                                 msg_red "$pkgver: failed to strip ${f#$PKGDESTDIR}\n"
 128                                 return 1
 129                         fi
 130                         if [[ $type =~ "interpreter " ]]; then
 131                                 echo "   Stripped position-independent executable: ${f#$PKGDESTDIR}"
 132                         else
 133                                 echo "   Stripped library: ${f#$PKGDESTDIR}"
 134                         fi
 135                         attach_debug "$f"
 136                         ;;
 137                 application/x-archive*)
 138                         chmod +w "$f"
 139                         if ! $STRIPCMD --strip-debug "$f"; then
 140                                 msg_red "$pkgver: failed to strip ${f#$PKGDESTDIR}\n"
 141                                 return 1
 142                         fi
 143                         echo "   Stripped static library: ${f#$PKGDESTDIR}";;
 144                 esac
 145         done
 146         create_debug_pkg
 147         return $?
 148 }