| 1 | #! /bin/sh
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| 2 |
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| 3 | # Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 4 | #
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| 5 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 6 | # available from http://www.virtualbox.org. This file is free software;
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| 7 | # you can redistribute it and/or modify it under the terms of the GNU
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| 8 | # General Public License (GPL) as published by the Free Software
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| 9 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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| 10 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 11 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 12 | #
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| 13 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 14 | # Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 15 | # additional information or have any questions.
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| 16 | #
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| 17 |
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| 18 | # Compare undefined symbols in a shared or static object against a new-line
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| 19 | # separated list of grep patterns in a text file.
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| 20 | #
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| 21 | # Usage: /bin/sh <script name> <object> <allowed undefined symbols> [--static]
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| 22 | #
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| 23 | # Currently only works for native objects on Linux platforms
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| 24 |
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| 25 | echoerr()
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| 26 | {
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| 27 | echo $* 1>&2
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| 28 | }
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| 29 |
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| 30 | hostos=$1
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| 31 | target=$2
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| 32 | symbols=$3
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| 33 | static=$4
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| 34 |
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| 35 | if test $# -lt 3 || test $# -gt 4 || test ! -r "$target" || test ! -r "$symbols"; then
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| 36 | if test ! -r "$target"; then
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| 37 | echoerr "$0: '$target' not readable"
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| 38 | elif test ! -r "$symbols"; then
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| 39 | echoerr "$0: '$symbols' not readable"
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| 40 | else
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| 41 | echoerr "$0: Wrong number of arguments"
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| 42 | fi
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| 43 | args_ok="no"
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| 44 | fi
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| 45 |
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| 46 | if test $# -eq 4 && test "$static" != "--static"; then
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| 47 | args_ok="no"
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| 48 | fi
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| 49 |
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| 50 | if test "$args_ok" = "no"; then
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| 51 | echoerr "Usage: $0 <object> <allowed undefined symbols> [--static]"
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| 52 | exit 1
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| 53 | fi
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| 54 |
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| 55 | if test "$hostos" = "solaris"; then
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| 56 | objdumpbin=/usr/sfw/bin/gobjdump
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| 57 | grepbin=/usr/sfw/bin/ggrep
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| 58 | elif test "$hostos" = "linux"; then
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| 59 | objdumpbin=`which objdump`
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| 60 | grepbin=`which grep`
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| 61 | else
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| 62 | echoerr "$0: '$hostos' not a valid hostos string. supported 'linux' 'solaris'"
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| 63 | exit 1
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| 64 | fi
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| 65 |
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| 66 | command="-T"
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| 67 | if test "$static" = "--static"; then
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| 68 | command="-t"
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| 69 | fi
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| 70 |
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| 71 | if test ! -x "$objdumpbin"; then
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| 72 | echoerr "$0: '$objdumpbin' not found or not executable."
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| 73 | exit 1
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| 74 | fi
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| 75 |
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| 76 | undefined=`$objdumpbin $command $target | $grepbin '*UND*' | $grepbin -v -f $symbols | sed -e 's/^.*[ ]\(.*\)/\1/'`
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| 77 | num_undef=`echo $undefined | wc -w`
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| 78 |
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| 79 | if test $num_undef -ne 0; then
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| 80 | echoerr "$0: following symbols not defined in $symbols:"
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| 81 | echoerr "$undefined"
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| 82 | exit 1
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| 83 | fi
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| 84 | # Return code
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| 85 | exit 0
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| 86 |
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| 87 |
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