diff options
| -rwxr-xr-x | extra/scripts/relinfo.pl | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/extra/scripts/relinfo.pl b/extra/scripts/relinfo.pl new file mode 100755 index 000000000..ec4a5df13 --- /dev/null +++ b/extra/scripts/relinfo.pl @@ -0,0 +1,78 @@ +#! /usr/bin/perl +eval "exec /usr/bin/perl -S $0 $*" + if 0; +# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Red Hat, Inc. +# Written by Ulrich Drepper <drepper@redhat.com>, 2000. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +for ($cnt = 0; $cnt <= $#ARGV; ++$cnt) { + $relent = 0; + $relsz = 0; + $relcount = 0; + $pltrelsz = 0; + $extplt = 0; + $users = 0; + + open (READLINK, "readlink -f $ARGV[$cnt] |") || die "cannot open readlink"; + while (<READLINK>) { + chop; + $fullpath = $_; + } + close (READLINK); + + open (READELF, "eu-readelf -d $ARGV[$cnt] |") || die "cannot open $ARGV[$cnt]"; + while (<READELF>) { + chop; + if (/.* RELA?ENT *([0-9]*).*/) { + $relent = $1 + 0; + } elsif (/.* RELA?SZ *([0-9]*).*/) { + $relsz = $1 + 0; + } elsif (/.* RELA?COUNT *([0-9]*).*/) { + $relcount = $1 + 0; + } elsif (/.* PLTRELSZ *([0-9]*).*/) { + $pltrelsz = $1 + 0; + } + } + close (READELF); + + open (READELF, "eu-readelf -r $ARGV[$cnt] | sed '/'.gnu.conflict'/,/^\$/d' |") || die "cannot open $ARGV[$cnt]"; + while (<READELF>) { + chop; + if (/.*JU?MP_SLOT *0+ .*/) { + ++$extplt; + } + } + close (READELF); + + if (open (PRELINK, "/usr/sbin/prelink -p 2>/dev/null | fgrep \"$fullpath\" |")) { + while (<PRELINK>) { + ++$users; + } + close(PRELINK); + } else { + $users = -1; + } + + printf ("%s: %d relocations, %d relative (%d%%), %d PLT entries, %d for local syms (%d%%)", + $ARGV[$cnt], $relent == 0 ? 0 : $relsz / $relent, $relcount, + $relent == 0 ? 0 : ($relcount * 100) / ($relsz / $relent), + $relent == 0 ? 0 : $pltrelsz / $relent, + $relent == 0 ? 0 : $pltrelsz / $relent - $extplt, + $relent == 0 ? 0 : (($pltrelsz / $relent - $extplt) * 100) / ($pltrelsz / $relent)); + if ($users >= 0) { + printf(", %d users", $users); + } + printf("\n"); +} |