aboutsummaryrefslogtreecommitdiff
blob: dd4fc6ab9687d5395e2069365b4a875d8ac71ef1 (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
#! @BASH@

# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.

# The GNU C Library 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
# Library General Public License for more details.

# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB.  If not,
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.


# This is the `ldd' command, which lists what shared libraries are
# used by given dynamically-linked executables.  It works by invoking the
# run-time dynamic linker as a command and setting the environment
# variable LD_TRACE_LOADED_OBJECTS to a non-empty value.

# We should be able to find the translation right at the beginning.
TEXTDOMAIN=libc
TEXTDOMAINDIR=@TEXTDOMAINDIR@

RTLD=@RTLD@
warn=
bind_now=

while test $# -gt 0; do
  case "$1" in
  --v | --ve | --ver | --vers | --versi | --versio | --version)
    echo $"ldd (GNU libc) @VERSION@
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
    exit 0 ;;
  --h | --he | --hel | --help)
    echo $"ldd [OPTION]... FILE...
      --help              print this help and exit
      --version           print version information and exit
  -d, --data-relocs       process data relocations
  -r, --function-relocs   process data and function relocations
Report bugs using the \`glibcbug' script to <bugs@gnu.ai.mit.edu>."
    exit 0 ;;
  -d | --d | --da | --dat | --data | --data- | --data-r | --data-re | \
  --data-rel | --data-relo | --data-reloc | --data-relocs)
    warn=yes
    shift ;;
  -r | --f | --fu | --fun | --func | --funct | --functi | --functio | \
  --function | --function- | --function-r | --function-re | --function-rel | \
  --function-relo | --function-reloc | --function-relocs)
    warn=yes
    bind_now=yes
    shift ;;
  --)		# Stop option processing.
    shift; break ;;
  -*)
    echo >&2 $"ldd: unrecognized option" "\`$1'"
    echo >&2 $"Try \`ldd --help' for more information."
    exit 1 ;;
  *)
    break ;;
  esac
done

case $# in
0)
  echo >&2 $"ldd: missing file arguments"
  echo >&2 $"Try \`ldd --help' for more information."
  exit 1 ;;
1)
  # We don't list the file name when there is only one.
  case "$1" in
  /*) file="$1" ;;
  *) file="./$1" ;;
  esac
  if test ! -f "$file"; then
    echo "ldd: ${file}:" $"no such file"
    exit 1
  elif test -r "$file"; then
    test -x "$file" ||
    echo $"ldd: warning: you do not have execution permission for" "\`$file'"
      if ${RTLD} --verify "$file"; then
	LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
	 exec ${RTLD} ${RELOCS} "$file" || exit 1
      else
	echo $"	not a dynamic executable"
	exit 1
      fi
  else
    echo $"ldd: error: you do not have read permission for" "\`$file'"
    exit 1
  fi
  exit ;;
*)
  set -e	# Bail out immediately if ${RTLD} loses on any argument.
  result=0
  for file; do
    echo "${file}:"
    case "$file" in
    /*) : ;;
    *) file="./$file" ;;
    esac
    if test ! -f "$file"; then
      echo "ldd: ${file}:" $"no such file"
      result=1
    elif test -r "$file"; then
      test -x "$file" || echo $"\
ldd: warning: you do not have execution permission for" "\`$file'"
      if ${RTLD} --verify "$file"; then
	LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now \
	 ${RTLD} ${RELOCS} "$file" || result=1
      else
	echo $"	not a dynamic executable"
	result=1
      fi
    else
      echo $"ldd: error: you do not have read permission for" "\`$file'"
      result=1
    fi
  done
esac

exit $result
# Local Variables:
#  mode:ksh
# End: