1#! /usr/bin/perl
2eval "exec /usr/bin/env perl -w -S $0 $@"
3    if 0;
4# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Red Hat, Inc.
5# Written by Ulrich Drepper <drepper@redhat.com>, 2000.
6
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License version 2 as
9# published by the Free Software Foundation.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, see <http://www.gnu.org/licenses/>.
18
19for ($cnt = 0; $cnt <= $#ARGV; ++$cnt) {
20  $relent = 0;
21  $relsz = 0;
22  $relcount = 0;
23  $pltrelsz = 0;
24  $extplt = 0;
25  $users = 0;
26
27  open (READLINK, "readlink -f $ARGV[$cnt] |") || die "cannot open readlink";
28  while (<READLINK>) {
29        chop;
30        $fullpath = $_;
31  }
32  close (READLINK);
33
34  open (READELF, "eu-readelf -d $ARGV[$cnt] |") || die "cannot open $ARGV[$cnt]";
35  while (<READELF>) {
36    chop;
37    if (/.* RELA?ENT *([0-9]*).*/) {
38      $relent = $1 + 0;
39    } elsif (/.* RELA?SZ *([0-9]*).*/) {
40      $relsz = $1 + 0;
41    } elsif (/.* RELA?COUNT *([0-9]*).*/) {
42      $relcount = $1 + 0;
43    } elsif (/.* PLTRELSZ *([0-9]*).*/) {
44      $pltrelsz = $1 + 0;
45    }
46  }
47  close (READELF);
48
49  open (READELF, "eu-readelf -r $ARGV[$cnt] | sed '/'.gnu.conflict'/,/^\$/d' |") || die "cannot open $ARGV[$cnt]";
50  while (<READELF>) {
51    chop;
52    if (/.*JU?MP_SLOT *0+ .*/) {
53      ++$extplt;
54    }
55  }
56  close (READELF);
57
58  if (open (PRELINK, "/usr/sbin/prelink -p 2>/dev/null | fgrep \"$fullpath\" |")) {
59    while (<PRELINK>) {
60      ++$users;
61    }
62    close(PRELINK);
63  } else {
64    $users = -1;
65  }
66
67  printf ("%s: %d relocations, %d relative (%d%%), %d PLT entries, %d for local syms (%d%%)",
68	  $ARGV[$cnt], $relent == 0 ? 0 : $relsz / $relent, $relcount,
69	  $relent == 0 ? 0 : ($relcount * 100) / ($relsz / $relent),
70	  $relent == 0 ? 0 : $pltrelsz / $relent,
71	  $relent == 0 ? 0 : $pltrelsz / $relent - $extplt,
72	  $relent == 0 ? 0 : (($pltrelsz / $relent - $extplt) * 100) / ($pltrelsz / $relent));
73  if ($users >= 0) {
74    printf(", %d users", $users);
75  }
76  printf("\n");
77}
78