1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/common/bin/diffexec.sh Tue Apr 10 08:18:28 2012 -0700
1.3 @@ -0,0 +1,150 @@
1.4 +#!/bin/bash
1.5 +#
1.6 +# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
1.7 +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 +#
1.9 +# This code is free software; you can redistribute it and/or modify it
1.10 +# under the terms of the GNU General Public License version 2 only, as
1.11 +# published by the Free Software Foundation.
1.12 +#
1.13 +# This code is distributed in the hope that it will be useful, but WITHOUT
1.14 +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 +# version 2 for more details (a copy is included in the LICENSE file that
1.17 +# accompanied this code).
1.18 +#
1.19 +# You should have received a copy of the GNU General Public License version
1.20 +# 2 along with this work; if not, write to the Free Software Foundation,
1.21 +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 +#
1.23 +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 +# or visit www.oracle.com if you need additional information or have any
1.25 +# questions.
1.26 +#
1.27 +
1.28 +if [ $# -lt 2 ]
1.29 +then
1.30 + echo "Diff two executables. Return codes:"
1.31 + echo "0 - no diff"
1.32 + echo "1 - Identical symbols AND size, BUT not bytewise identical"
1.33 + echo "2 - Identical symbols BUT NEW size"
1.34 + echo "3 - Differences, content BUT SAME size"
1.35 + echo "4 - Differences, content AND size"
1.36 + echo "10 - Could not perform diff"
1.37 + echo "Use 'quiet' to disable any output."
1.38 + echo "Syntax: $0 file1 file2 [quiet]"
1.39 + exit 10
1.40 +fi
1.41 +
1.42 +if [ ! -f $1 ]
1.43 +then
1.44 + echo $1 does not exist
1.45 + exit 10
1.46 +fi
1.47 +
1.48 +if [ ! -f $2 ]
1.49 +then
1.50 + echo $2 does not exist
1.51 + exit 10
1.52 +fi
1.53 +
1.54 +if [ "`uname`" == "SunOS" ]; then
1.55 + NM=gnm
1.56 + STAT=gstat
1.57 +elif [ $OSTYPE == "cygwin" ]; then
1.58 + NM="$VS100COMNTOOLS/../../VC/bin/amd64/dumpbin.exe"
1.59 + NM_ARGS=/exports
1.60 + STAT=stat
1.61 +else
1.62 + NM=nm
1.63 + STAT=stat
1.64 +fi
1.65 +
1.66 +# Should the differences be viewed?
1.67 +VIEW=
1.68 +# You can do export DIFF=meld to view
1.69 +# any differences using meld instead.
1.70 +if [ -n "$DIFF" ]; then
1.71 + DIFF="$DIFF"
1.72 +else
1.73 + DIFF=diff
1.74 +fi
1.75 +OLD=$(cd $(dirname $1) && pwd)/$(basename $1)
1.76 +NEW=$(cd $(dirname $2) && pwd)/$(basename $2)
1.77 +
1.78 +OLD_SIZE=$($STAT -c%s "$OLD")
1.79 +NEW_SIZE=$($STAT -c%s "$NEW")
1.80 +
1.81 +if [ $# -gt 3 ]
1.82 +then
1.83 + ROOT1=$(cd $3 && pwd)
1.84 + ROOT2=$(cd $4 && pwd)
1.85 + OLD_NAME=$(echo $OLD | sed "s|$ROOT1/||")
1.86 + NEW_NAME=$(echo $NEW | sed "s|$ROOT2/||")
1.87 + if [ "x$5" == "xview" ]; then VIEW=view; fi
1.88 +else
1.89 + ROOT1=$(dirname $OLD)/
1.90 + ROOT2=$(dirname $NEW)/
1.91 + OLD_NAME=$OLD
1.92 + NEW_NAME=$NEW
1.93 + if [ "x$3" == "xview" ]; then VIEW=view; fi
1.94 +fi
1.95 +
1.96 +if cmp $OLD $NEW > /dev/null
1.97 +then
1.98 + # The files were bytewise identical.
1.99 + echo Identical: $OLD_NAME
1.100 + exit 0
1.101 +fi
1.102 +
1.103 +OLD_SYMBOLS=$COMPARE_ROOT/$OLD_NAME.old
1.104 +NEW_SYMBOLS=$COMPARE_ROOT/$NEW_NAME.new
1.105 +
1.106 +mkdir -p $(dirname $OLD_SYMBOLS)
1.107 +mkdir -p $(dirname $NEW_SYMBOLS)
1.108 +
1.109 +if [ $OSTYPE == "cygwin" ]; then
1.110 + "$NM" $NM_ARGS $OLD | grep " = " > $OLD_SYMBOLS
1.111 + "$NM" $NM_ARGS $NEW | grep " = " > $NEW_SYMBOLS
1.112 + "$NM" $NM_ARGS $OLD > $OLD_SYMBOLS.full
1.113 + "$NM" $NM_ARGS $NEW > $NEW_SYMBOLS.full
1.114 +else
1.115 + # Strip the addresses, just compare the ordering of the symbols.
1.116 + $NM $OLD | cut -f 2- -d ' ' > $OLD_SYMBOLS
1.117 + $NM $NEW | cut -f 2- -d ' ' > $NEW_SYMBOLS
1.118 + # But store the full information for easy diff access.
1.119 + $NM $OLD > $OLD_SYMBOLS.full
1.120 + $NM $NEW > $NEW_SYMBOLS.full
1.121 +fi
1.122 +
1.123 +DIFFS=$(LANG=C diff $OLD_SYMBOLS $NEW_SYMBOLS)
1.124 +
1.125 +RESULT=0
1.126 +
1.127 +if [ -n "$DIFFS" ]; then
1.128 + if [ $OLD_SIZE -ne $NEW_SIZE ]
1.129 + then
1.130 + echo Differences, content AND size : $OLD_NAME
1.131 + RESULT=4
1.132 + else
1.133 + echo Differences, content BUT SAME size: $OLD_NAME
1.134 + RESULT=3
1.135 + fi
1.136 + if [ "x$VIEW" == "xview" ]; then
1.137 + LANG=C $DIFF $OLD_SYMBOLS $NEW_SYMBOLS
1.138 + fi
1.139 +else
1.140 + if [ $OLD_SIZE -ne $NEW_SIZE ]
1.141 + then
1.142 + echo Identical symbols BUT NEW size : $OLD_NAME
1.143 + RESULT=2
1.144 + else
1.145 + echo Identical symbols AND size, BUT not bytewise identical: $OLD_NAME
1.146 + RESULT=1
1.147 + fi
1.148 +fi
1.149 +
1.150 +exit $RESULT
1.151 +
1.152 +
1.153 +
