aoqi@0: #!/bin/bash
aoqi@0: #
aoqi@0: # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: #
aoqi@0: # This code is free software; you can redistribute it and/or modify it
aoqi@0: # under the terms of the GNU General Public License version 2 only, as
aoqi@0: # published by the Free Software Foundation.
aoqi@0: #
aoqi@0: # This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0: # version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: # accompanied this code).
aoqi@0: #
aoqi@0: # You should have received a copy of the GNU General Public License version
aoqi@0: # 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: #
aoqi@0: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: # or visit www.oracle.com if you need additional information or have any
aoqi@0: # questions.
aoqi@0: #
aoqi@0: 
aoqi@0: # MANUAL
aoqi@0: #
aoqi@0: # ./common/bin/compare-objects.sh old_jdk_build_dir new_jdk_build_dir
aoqi@0: #
aoqi@0: # Compares object files
aoqi@0: #
aoqi@0: 
aoqi@0: if [ "x$1" = "x-h" ] || [ "x$1" = "x--help" ] || [ "x$1" == "x" ]; then
aoqi@0:     echo "bash ./common/bin/compare-objects.sh old_jdk_build_dir new_jdk_build_dir <pattern>"
aoqi@0:     echo ""
aoqi@0:     echo "Compare object files"
aoqi@0:     echo ""
aoqi@0:     exit 10
aoqi@0: fi
aoqi@0: 
aoqi@0: #######
aoqi@0: #
aoqi@0: # List of files (grep patterns) that are ignored
aoqi@0: # 
aoqi@0: # 1) hotspot object files
aoqi@0: IGNORE="-e hotspot"
aoqi@0: 
aoqi@0: # 2) various build artifacts: sizer.32.o sizer.64.o dummyodbc.o
aoqi@0: #    these are produced during build and then e.g run to produce other data
aoqi@0: #    i.e not directly put into build => safe to ignore
aoqi@0: IGNORE="${IGNORE} -e sizer.32.o -e sizer.64.o"
aoqi@0: IGNORE="${IGNORE} -e dummyodbc.o"
aoqi@0: IGNORE="${IGNORE} -e genSolarisConstants.o"
aoqi@0: IGNORE="${IGNORE} -e genUnixConstants.o"
aoqi@0: 
aoqi@0: OLD="$1"
aoqi@0: NEW="$2"
aoqi@0: shift; shift
aoqi@0: PATTERN="$*"
aoqi@0: 
aoqi@0: if [ -f $NEW/spec.sh ]; then
aoqi@0:     . $NEW/spec.sh
aoqi@0: elif [ -f $NEW/../../spec.sh ]; then
aoqi@0:     . $NEW/../../spec.sh
aoqi@0: elif [ -f $OLD/spec.sh ]; then
aoqi@0:     . $OLD/spec.sh
aoqi@0: elif [ -f $OLD/../../spec.sh ]; then
aoqi@0:     . $OLD/../../spec.sh
aoqi@0: else
aoqi@0:     echo "Unable to find spec.sh"
aoqi@0:     echo "Giving up"
aoqi@0:     exit 1
aoqi@0: fi
aoqi@0: 
aoqi@0: export COMPARE_ROOT=/tmp/cimages.$USER/objects
aoqi@0: mkdir -p $COMPARE_ROOT
aoqi@0: 
aoqi@0: (${CD} $OLD && ${FIND} . -name '*.o') > $COMPARE_ROOT/list.old
aoqi@0: (${CD} $NEW && ${FIND} . -name '*.o') > $COMPARE_ROOT/list.new
aoqi@0: 
aoqi@0: # On macosx JobjC is build in both i386 and x86_64 variant (universial binary)
aoqi@0: #   but new build only builds the x86_64
aoqi@0: # Remove the 386 variants from comparison...to avoid "false" positives
aoqi@0: ${GREP} -v 'JObjC.dst/Objects-normal/i386' $COMPARE_ROOT/list.old > $COMPARE_ROOT/list.old.new
aoqi@0: ${CP} $COMPARE_ROOT/list.old $COMPARE_ROOT/list.old.full
aoqi@0: ${CP} $COMPARE_ROOT/list.old.new $COMPARE_ROOT/list.old
aoqi@0: 
aoqi@0: findnew() {
aoqi@0:     arg_1=$1
aoqi@0:     arg_2=$2
aoqi@0: 
aoqi@0:     # special case 1 unpack-cmd => unpackexe
aoqi@0:     arg_1=`${ECHO} $arg_1 | ${SED} 's!unpack-cmd!unpackexe!g'`
aoqi@0:     arg_2=`${ECHO} $arg_2 | ${SED} 's!unpack-cmd!unpackexe!g'`
aoqi@0: 
aoqi@0:     # special case 2 /JObjC.dst/ => /libjobjc/
aoqi@0:     arg_1=`${ECHO} $arg_1 | ${SED} 's!/JObjC.dst/!/libjobjc/!g'`
aoqi@0:     arg_2=`${ECHO} $arg_2 | ${SED} 's!/JObjC.dst/!/libjobjc/!g'`
aoqi@0: 
aoqi@0:     full=`${ECHO} $arg_1 | ${SED} 's!\.!\\\.!g'`
aoqi@0:     medium=`${ECHO} $arg_1 | ${SED} 's!.*/\([^/]*/[^/]*\)!\1!'`
aoqi@0:     short=`${ECHO} $arg_2 | ${SED} 's!\.!\\\.!g'`
aoqi@0:     if [ "`${GREP} -c "/$full" $COMPARE_ROOT/list.new`" -eq 1 ]
aoqi@0:     then
aoqi@0: 	${ECHO} $NEW/$arg_1
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     if [ "`${GREP} -c "$medium" $COMPARE_ROOT/list.new`" -eq 1 ]
aoqi@0:     then
aoqi@0: 	${GREP} "$medium" $COMPARE_ROOT/list.new
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     if [ "`${GREP} -c "/$short" $COMPARE_ROOT/list.new`" -eq 1 ]
aoqi@0:     then
aoqi@0: 	${GREP} "/$short" $COMPARE_ROOT/list.new
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     # old style has "dir" before obj{64}
aoqi@0:     dir=`${ECHO} $arg_1 | ${SED} 's!.*/\([^/]*\)/obj[64]*.*!\1!g'`
aoqi@0:     if [ -n "$dir" -a "$dir" != "$arg_1" ]
aoqi@0:     then
aoqi@0: 	if [ "`${GREP} $dir $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
aoqi@0: 	then
aoqi@0: 	    ${GREP} $dir $COMPARE_ROOT/list.new | ${GREP} "/$short"
aoqi@0: 	    return
aoqi@0: 	fi
aoqi@0: 
aoqi@0: 	# Try with lib$dir/
aoqi@0: 	if [ "`${GREP} "lib$dir/" $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
aoqi@0: 	then
aoqi@0: 	    ${GREP} "lib$dir/" $COMPARE_ROOT/list.new | ${GREP} "/$short"
aoqi@0: 	    return
aoqi@0: 	fi
aoqi@0: 
aoqi@0: 	# Try with $dir_objs
aoqi@0: 	if [ "`${GREP} "${dir}_objs" $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
aoqi@0: 	then
aoqi@0: 	    ${GREP} "${dir}_objs" $COMPARE_ROOT/list.new | ${GREP} "/$short"
aoqi@0: 	    return
aoqi@0: 	fi
aoqi@0:     fi
aoqi@0: 
aoqi@0:     # check for some specifics...
aoqi@0:     for i in demo hotspot jobjc
aoqi@0:     do
aoqi@0: 	if [ "`${ECHO} $full | ${GREP} -c $i`" -gt 0 ]
aoqi@0: 	then
aoqi@0: 	    if [ "`${GREP} $i $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
aoqi@0: 	    then
aoqi@0: 		${GREP} $i $COMPARE_ROOT/list.new | ${GREP} "/$short"
aoqi@0: 		return
aoqi@0: 	    fi
aoqi@0: 	fi
aoqi@0:     done
aoqi@0: 
aoqi@0:     # check for specific demo
aoqi@0:     demo=`${ECHO} $arg_1 | ${SED} 's!.*/demo/jvmti/\([^/]*\)/.*!\1!g'`
aoqi@0:     if [ -n "$demo" -a "$dir" != "$demo" ]
aoqi@0:     then
aoqi@0: 	if [ "`${GREP} $demo $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
aoqi@0: 	then
aoqi@0: 	    ${GREP} $demo $COMPARE_ROOT/list.new | ${GREP} "/$short"
aoqi@0: 	    return
aoqi@0: 	fi
aoqi@0:     fi
aoqi@0: 
aoqi@0:     return
aoqi@0: }
aoqi@0: 
aoqi@0: compare() {
aoqi@0:     old=$1
aoqi@0:     new=$2
aoqi@0:     ${DIFF} $old $new > /dev/null
aoqi@0:     res=$?
aoqi@0:     if [ $res -eq 0 ]
aoqi@0:     then
aoqi@0: 	${ECHO} 0
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     # check if stripped objects gives equality
aoqi@0:     ${CP} $old $COMPARE_ROOT/`basename $old`.old
aoqi@0:     ${CP} $new $COMPARE_ROOT/`basename $old`.new
aoqi@0:     ${POST_STRIP_CMD} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new > /dev/null 2>&1
aoqi@0:     ${DIFF} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new > /dev/null
aoqi@0:     res=$?
aoqi@0:     ${RM} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new
aoqi@0:     if [ $res -eq 0 ]
aoqi@0:     then
aoqi@0: 	${ECHO} S
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     name=`basename $1 | ${SED} 's!\.o!!'`
aoqi@0:     cntold=`strings $old | ${GREP} -c $name`
aoqi@0:     cntnew=`strings $new | ${GREP} -c $name`
aoqi@0:     
aoqi@0:     if [ $cntold -gt 0 -a $cntnew -gt 0 ]
aoqi@0:     then
aoqi@0: 	${ECHO} F
aoqi@0: 	return
aoqi@0:     fi
aoqi@0: 
aoqi@0:     ${ECHO} 1
aoqi@0: }
aoqi@0: 
aoqi@0: for F in `${CAT} $COMPARE_ROOT/list.old`
aoqi@0: do
aoqi@0:     if [ "${IGNORE}" ] && [ "`${ECHO} $F | ${GREP} ${IGNORE}`" ]
aoqi@0:     then
aoqi@0: 	#
aoqi@0: 	# skip ignored files
aoqi@0:         #
aoqi@0: 	continue;
aoqi@0:     fi
aoqi@0: 
aoqi@0:     if [ "$PATTERN" ] && [ `${ECHO} $F | ${GREP} -c $PATTERN` -eq 0 ]
aoqi@0:     then
aoqi@0: 	continue;
aoqi@0:     fi
aoqi@0: 
aoqi@0:     f=`basename $F`
aoqi@0:     o=$OLD/$F
aoqi@0:     n=`findnew $F $f`
aoqi@0: 
aoqi@0:     if [ "$n" ]
aoqi@0:     then	
aoqi@0: 	n="$NEW/$n"
aoqi@0: 	${ECHO} `compare $o $n` : $f : $o : $n
aoqi@0:     else
aoqi@0: 	${ECHO} "- : $f : $o "
aoqi@0:     fi
aoqi@0: done