Mercurial > jdk8-mips64-public / file comparison
comparison: common/bin/difflib.sh
common/bin/difflib.sh
- changeset 425
- e1830598f0b7
- child 445
- efd26e051e50
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| 419:42f275168fa5 | 425:e1830598f0b7 |
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| 1 #!/bin/bash | |
| 2 # | |
| 3 # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
| 4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 5 # | |
| 6 # This code is free software; you can redistribute it and/or modify it | |
| 7 # under the terms of the GNU General Public License version 2 only, as | |
| 8 # published by the Free Software Foundation. | |
| 9 # | |
| 10 # This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 # version 2 for more details (a copy is included in the LICENSE file that | |
| 14 # accompanied this code). | |
| 15 # | |
| 16 # You should have received a copy of the GNU General Public License version | |
| 17 # 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 # | |
| 20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 # or visit www.oracle.com if you need additional information or have any | |
| 22 # questions. | |
| 23 # | |
| 24 | |
| 25 # Simple tool to diff two shared libraries. | |
| 26 # Criterias: two shared libraries are considered equal if: | |
| 27 # the file sizes are the same AND the symbols outputs from the nm command are equal | |
| 28 | |
| 29 if [ $# -lt 2 ] | |
| 30 then | |
| 31 echo "Diff two shared libs. Return codes:" | |
| 32 echo "0 - no diff" | |
| 33 echo "1 - Identical symbols AND size, BUT not bytewise identical" | |
| 34 echo "2 - Identical symbols BUT NEW size" | |
| 35 echo "3 - Differences, content BUT SAME size" | |
| 36 echo "4 - Differences, content AND size" | |
| 37 echo "10 - Could not perform diff" | |
| 38 echo "Use 'quiet' to disable any output." | |
| 39 echo "Syntax: $0 file1 file2 [quiet]" | |
| 40 exit 10 | |
| 41 fi | |
| 42 | |
| 43 if [ ! -f $1 ] | |
| 44 then | |
| 45 echo $1 does not exist | |
| 46 exit 10 | |
| 47 fi | |
| 48 | |
| 49 if [ ! -f $2 ] | |
| 50 then | |
| 51 echo $2 does not exist | |
| 52 exit 10 | |
| 53 fi | |
| 54 | |
| 55 if [ "`uname`" == "SunOS" ]; then | |
| 56 NM=gnm | |
| 57 STAT=gstat | |
| 58 elif [ $OSTYPE == "cygwin" ]; then | |
| 59 NM="$VS100COMNTOOLS/../../VC/bin/amd64/dumpbin.exe" | |
| 60 NM_ARGS=/exports | |
| 61 STAT=stat | |
| 62 else | |
| 63 NM=nm | |
| 64 STAT=stat | |
| 65 fi | |
| 66 | |
| 67 # Should the differences be viewed? | |
| 68 VIEW= | |
| 69 # You can do export DIFF=meld to view | |
| 70 # any differences using meld instead. | |
| 71 if [ -n "$DIFF" ]; then | |
| 72 DIFF="$DIFF" | |
| 73 else | |
| 74 DIFF=diff | |
| 75 fi | |
| 76 OLD=$(cd $(dirname $1) && pwd)/$(basename $1) | |
| 77 NEW=$(cd $(dirname $2) && pwd)/$(basename $2) | |
| 78 | |
| 79 OLD_SIZE=$($STAT -c%s "$OLD") | |
| 80 NEW_SIZE=$($STAT -c%s "$NEW") | |
| 81 | |
| 82 if [ $# -gt 3 ] | |
| 83 then | |
| 84 ROOT1=$(cd $3 && pwd) | |
| 85 ROOT2=$(cd $4 && pwd) | |
| 86 OLD_NAME=$(echo $OLD | sed "s|$ROOT1/||") | |
| 87 NEW_NAME=$(echo $NEW | sed "s|$ROOT2/||") | |
| 88 if [ "x$5" == "xview" ]; then VIEW=view; fi | |
| 89 else | |
| 90 ROOT1=$(dirname $OLD)/ | |
| 91 ROOT2=$(dirname $NEW)/ | |
| 92 OLD_NAME=$OLD | |
| 93 NEW_NAME=$NEW | |
| 94 if [ "x$3" == "xview" ]; then VIEW=view; fi | |
| 95 fi | |
| 96 | |
| 97 OLD_SUFFIX="${OLD##*.}" | |
| 98 NEW_SUFFIX="${NEW##*.}" | |
| 99 if [ "$OLD_SUFFIX" != "$NEW_SUFFIX" ]; then | |
| 100 echo The files do not have the same suffix type! | |
| 101 exit 10 | |
| 102 fi | |
| 103 | |
| 104 if [ "$OLD_SUFFIX" != "so" ] && [ "$OLD_SUFFIX" != "dylib" ] && [ "$OLD_SUFFIX" != "dll" ]; then | |
| 105 echo The files have to be .so, .dylib or .dll! They are $OLD_SUFFIX | |
| 106 exit 10 | |
| 107 fi | |
| 108 | |
| 109 TYPE="$OLD_SUFFIX" | |
| 110 | |
| 111 if cmp $OLD $NEW > /dev/null | |
| 112 then | |
| 113 # The files were bytewise identical. | |
| 114 echo Identical: $OLD_NAME | |
| 115 exit 0 | |
| 116 fi | |
| 117 | |
| 118 OLD_SYMBOLS=$COMPARE_ROOT/$OLD_NAME.old | |
| 119 NEW_SYMBOLS=$COMPARE_ROOT/$NEW_NAME.new | |
| 120 | |
| 121 mkdir -p $(dirname $OLD_SYMBOLS) | |
| 122 mkdir -p $(dirname $NEW_SYMBOLS) | |
| 123 | |
| 124 if [ $OSTYPE == "cygwin" ]; then | |
| 125 "$NM" $NM_ARGS $OLD | grep " = " > $OLD_SYMBOLS | |
| 126 "$NM" $NM_ARGS $NEW | grep " = " > $NEW_SYMBOLS | |
| 127 "$NM" $NM_ARGS $OLD > $OLD_SYMBOLS.full | |
| 128 "$NM" $NM_ARGS $NEW > $NEW_SYMBOLS.full | |
| 129 else | |
| 130 # Strip the addresses, just compare the ordering of the symbols. | |
| 131 $NM $OLD | cut -f 2- -d ' ' > $OLD_SYMBOLS | |
| 132 $NM $NEW | cut -f 2- -d ' ' > $NEW_SYMBOLS | |
| 133 # But store the full information for easy diff access. | |
| 134 $NM $OLD > $OLD_SYMBOLS.full | |
| 135 $NM $NEW > $NEW_SYMBOLS.full | |
| 136 fi | |
| 137 | |
| 138 DIFFS=$(LANG=C diff $OLD_SYMBOLS $NEW_SYMBOLS) | |
| 139 | |
| 140 RESULT=0 | |
| 141 | |
| 142 if [ -n "$DIFFS" ]; then | |
| 143 if [ $OLD_SIZE -ne $NEW_SIZE ] | |
| 144 then | |
| 145 echo Differences, content AND size : $OLD_NAME | |
| 146 RESULT=4 | |
| 147 else | |
| 148 echo Differences, content BUT SAME size: $OLD_NAME | |
| 149 RESULT=3 | |
| 150 fi | |
| 151 if [ "x$VIEW" == "xview" ]; then | |
| 152 LANG=C $DIFF $OLD_SYMBOLS $NEW_SYMBOLS | |
| 153 fi | |
| 154 else | |
| 155 if [ $OLD_SIZE -ne $NEW_SIZE ] | |
| 156 then | |
| 157 echo Identical symbols BUT NEW size : $OLD_NAME | |
| 158 RESULT=2 | |
| 159 else | |
| 160 echo Identical symbols AND size, BUT not bytewise identical: $OLD_NAME | |
| 161 RESULT=1 | |
| 162 fi | |
| 163 fi | |
| 164 | |
| 165 exit $RESULT | |
| 166 | |
| 167 | |
| 168 |
