erikj@459: #!/bin/bash
erikj@459: #
erikj@459: # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
erikj@459: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
erikj@459: #
erikj@459: # This code is free software; you can redistribute it and/or modify it
erikj@459: # under the terms of the GNU General Public License version 2 only, as
erikj@459: # published by the Free Software Foundation.
erikj@459: #
erikj@459: # This code is distributed in the hope that it will be useful, but WITHOUT
erikj@459: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
erikj@459: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
erikj@459: # version 2 for more details (a copy is included in the LICENSE file that
erikj@459: # accompanied this code).
erikj@459: #
erikj@459: # You should have received a copy of the GNU General Public License version
erikj@459: # 2 along with this work; if not, write to the Free Software Foundation,
erikj@459: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
erikj@459: #
erikj@459: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
erikj@459: # or visit www.oracle.com if you need additional information or have any
erikj@459: # questions.
erikj@459: #
erikj@459: 
erikj@459: # MANUAL
erikj@459: #
erikj@459: # ./common/bin/compare-objects.sh old_jdk_build_dir new_jdk_build_dir
erikj@459: #
erikj@459: # Compares object files
erikj@459: #
erikj@459: 
erikj@459: if [ "x$1" = "x-h" ] || [ "x$1" = "x--help" ] || [ "x$1" == "x" ]; then
ohair@478:     echo "bash ./common/bin/compare-objects.sh old_jdk_build_dir new_jdk_build_dir <pattern>"
erikj@459:     echo ""
erikj@459:     echo "Compare object files"
erikj@459:     echo ""
erikj@459:     exit 10
erikj@459: fi
erikj@459: 
erikj@459: #######
erikj@459: #
erikj@459: # List of files (grep patterns) that are ignored
erikj@459: # 
erikj@459: # 1) hotspot object files
erikj@459: IGNORE="-e hotspot"
erikj@459: 
erikj@459: # 2) various build artifacts: sizer.32.o sizer.64.o dummyodbc.o
erikj@459: #    these are produced during build and then e.g run to produce other data
erikj@459: #    i.e not directly put into build => safe to ignore
erikj@459: IGNORE="${IGNORE} -e sizer.32.o -e sizer.64.o"
erikj@459: IGNORE="${IGNORE} -e dummyodbc.o"
erikj@459: IGNORE="${IGNORE} -e genSolarisConstants.o"
erikj@459: IGNORE="${IGNORE} -e genUnixConstants.o"
erikj@459: 
erikj@459: OLD="$1"
erikj@459: NEW="$2"
erikj@459: shift; shift
erikj@459: PATTERN="$*"
erikj@459: 
erikj@459: if [ -f $NEW/spec.sh ]; then
erikj@459:     . $NEW/spec.sh
erikj@459: elif [ -f $NEW/../../spec.sh ]; then
erikj@459:     . $NEW/../../spec.sh
erikj@459: elif [ -f $OLD/spec.sh ]; then
erikj@459:     . $OLD/spec.sh
erikj@459: elif [ -f $OLD/../../spec.sh ]; then
erikj@459:     . $OLD/../../spec.sh
erikj@459: else
erikj@459:     echo "Unable to find spec.sh"
erikj@459:     echo "Giving up"
erikj@459:     exit 1
erikj@459: fi
erikj@459: 
erikj@459: export COMPARE_ROOT=/tmp/cimages.$USER/objects
erikj@459: mkdir -p $COMPARE_ROOT
erikj@459: 
erikj@459: (${CD} $OLD && ${FIND} . -name '*.o') > $COMPARE_ROOT/list.old
erikj@459: (${CD} $NEW && ${FIND} . -name '*.o') > $COMPARE_ROOT/list.new
erikj@459: 
erikj@459: # On macosx JobjC is build in both i386 and x86_64 variant (universial binary)
erikj@459: #   but new build only builds the x86_64
erikj@459: # Remove the 386 variants from comparison...to avoid "false" positives
erikj@459: ${GREP} -v 'JObjC.dst/Objects-normal/i386' $COMPARE_ROOT/list.old > $COMPARE_ROOT/list.old.new
erikj@459: ${CP} $COMPARE_ROOT/list.old $COMPARE_ROOT/list.old.full
erikj@459: ${CP} $COMPARE_ROOT/list.old.new $COMPARE_ROOT/list.old
erikj@459: 
erikj@459: findnew() {
erikj@459:     arg_1=$1
erikj@459:     arg_2=$2
erikj@459: 
erikj@459:     # special case 1 unpack-cmd => unpackexe
erikj@459:     arg_1=`${ECHO} $arg_1 | ${SED} 's!unpack-cmd!unpackexe!g'`
erikj@459:     arg_2=`${ECHO} $arg_2 | ${SED} 's!unpack-cmd!unpackexe!g'`
erikj@459: 
erikj@459:     # special case 2 /JObjC.dst/ => /libjobjc/
erikj@459:     arg_1=`${ECHO} $arg_1 | ${SED} 's!/JObjC.dst/!/libjobjc/!g'`
erikj@459:     arg_2=`${ECHO} $arg_2 | ${SED} 's!/JObjC.dst/!/libjobjc/!g'`
erikj@459: 
erikj@459:     full=`${ECHO} $arg_1 | ${SED} 's!\.!\\\.!g'`
erikj@459:     medium=`${ECHO} $arg_1 | ${SED} 's!.*/\([^/]*/[^/]*\)!\1!'`
erikj@459:     short=`${ECHO} $arg_2 | ${SED} 's!\.!\\\.!g'`
erikj@459:     if [ "`${GREP} -c "/$full" $COMPARE_ROOT/list.new`" -eq 1 ]
erikj@459:     then
erikj@459: 	${ECHO} $NEW/$arg_1
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     if [ "`${GREP} -c "$medium" $COMPARE_ROOT/list.new`" -eq 1 ]
erikj@459:     then
erikj@459: 	${GREP} "$medium" $COMPARE_ROOT/list.new
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     if [ "`${GREP} -c "/$short" $COMPARE_ROOT/list.new`" -eq 1 ]
erikj@459:     then
erikj@459: 	${GREP} "/$short" $COMPARE_ROOT/list.new
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     # old style has "dir" before obj{64}
erikj@459:     dir=`${ECHO} $arg_1 | ${SED} 's!.*/\([^/]*\)/obj[64]*.*!\1!g'`
erikj@459:     if [ -n "$dir" -a "$dir" != "$arg_1" ]
erikj@459:     then
erikj@459: 	if [ "`${GREP} $dir $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
erikj@459: 	then
erikj@459: 	    ${GREP} $dir $COMPARE_ROOT/list.new | ${GREP} "/$short"
erikj@459: 	    return
erikj@459: 	fi
erikj@459: 
erikj@459: 	# Try with lib$dir/
erikj@459: 	if [ "`${GREP} "lib$dir/" $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
erikj@459: 	then
erikj@459: 	    ${GREP} "lib$dir/" $COMPARE_ROOT/list.new | ${GREP} "/$short"
erikj@459: 	    return
erikj@459: 	fi
erikj@459: 
erikj@459: 	# Try with $dir_objs
erikj@459: 	if [ "`${GREP} "${dir}_objs" $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
erikj@459: 	then
erikj@459: 	    ${GREP} "${dir}_objs" $COMPARE_ROOT/list.new | ${GREP} "/$short"
erikj@459: 	    return
erikj@459: 	fi
erikj@459:     fi
erikj@459: 
erikj@459:     # check for some specifics...
erikj@459:     for i in demo hotspot jobjc
erikj@459:     do
erikj@459: 	if [ "`${ECHO} $full | ${GREP} -c $i`" -gt 0 ]
erikj@459: 	then
erikj@459: 	    if [ "`${GREP} $i $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
erikj@459: 	    then
erikj@459: 		${GREP} $i $COMPARE_ROOT/list.new | ${GREP} "/$short"
erikj@459: 		return
erikj@459: 	    fi
erikj@459: 	fi
erikj@459:     done
erikj@459: 
erikj@459:     # check for specific demo
erikj@459:     demo=`${ECHO} $arg_1 | ${SED} 's!.*/demo/jvmti/\([^/]*\)/.*!\1!g'`
erikj@459:     if [ -n "$demo" -a "$dir" != "$demo" ]
erikj@459:     then
erikj@459: 	if [ "`${GREP} $demo $COMPARE_ROOT/list.new | ${GREP} -c "/$short"`" -eq 1 ]
erikj@459: 	then
erikj@459: 	    ${GREP} $demo $COMPARE_ROOT/list.new | ${GREP} "/$short"
erikj@459: 	    return
erikj@459: 	fi
erikj@459:     fi
erikj@459: 
erikj@459:     return
erikj@459: }
erikj@459: 
erikj@459: compare() {
erikj@459:     old=$1
erikj@459:     new=$2
erikj@459:     ${DIFF} $old $new > /dev/null
erikj@459:     res=$?
erikj@459:     if [ $res -eq 0 ]
erikj@459:     then
erikj@459: 	${ECHO} 0
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     # check if stripped objects gives equality
erikj@459:     ${CP} $old $COMPARE_ROOT/`basename $old`.old
erikj@459:     ${CP} $new $COMPARE_ROOT/`basename $old`.new
erikj@459:     ${POST_STRIP_CMD} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new > /dev/null 2>&1
erikj@459:     ${DIFF} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new > /dev/null
erikj@459:     res=$?
erikj@459:     ${RM} $COMPARE_ROOT/`basename $old`.old $COMPARE_ROOT/`basename $old`.new
erikj@459:     if [ $res -eq 0 ]
erikj@459:     then
erikj@459: 	${ECHO} S
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     name=`basename $1 | ${SED} 's!\.o!!'`
erikj@459:     cntold=`strings $old | ${GREP} -c $name`
erikj@459:     cntnew=`strings $new | ${GREP} -c $name`
erikj@459:     
erikj@459:     if [ $cntold -gt 0 -a $cntnew -gt 0 ]
erikj@459:     then
erikj@459: 	${ECHO} F
erikj@459: 	return
erikj@459:     fi
erikj@459: 
erikj@459:     ${ECHO} 1
erikj@459: }
erikj@459: 
erikj@459: for F in `${CAT} $COMPARE_ROOT/list.old`
erikj@459: do
erikj@459:     if [ "${IGNORE}" ] && [ "`${ECHO} $F | ${GREP} ${IGNORE}`" ]
erikj@459:     then
erikj@459: 	#
erikj@459: 	# skip ignored files
erikj@459:         #
erikj@459: 	continue;
erikj@459:     fi
erikj@459: 
erikj@459:     if [ "$PATTERN" ] && [ `${ECHO} $F | ${GREP} -c $PATTERN` -eq 0 ]
erikj@459:     then
erikj@459: 	continue;
erikj@459:     fi
erikj@459: 
erikj@459:     f=`basename $F`
erikj@459:     o=$OLD/$F
erikj@459:     n=`findnew $F $f`
erikj@459: 
erikj@459:     if [ "$n" ]
erikj@459:     then	
erikj@459: 	n="$NEW/$n"
erikj@459: 	${ECHO} `compare $o $n` : $f : $o : $n
erikj@459:     else
erikj@459: 	${ECHO} "- : $f : $o "
erikj@459:     fi
erikj@459: done