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6948539: CMS+UseCompressedOops: placement of cms_free bit interferes with promoted object link
Summary: When using compressed oops, use compressed promoted pointers in b63:b31 of the mark word, so as not to interfere with the CMS "freeness bit" at b7. Updated mark-word layout documentation.
Reviewed-by: minqi, poonam, jmasa, coleenp
author | ysr |
---|---|
date | Mon, 17 May 2010 00:47:28 -0700 |
parents | a61af66fc99e |
children |
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#!/bin/sh STARTDIR=`dirname $0` if [ "x$SA_JAVA" = "x" ]; then SA_JAVA=java fi if [ -f $STARTDIR/sa.jar ] ; then CP=$STARTDIR/sa.jar else CP=$STARTDIR/../build/classes fi # License file for development version of dbx setenv LM_LICENSE_FILE 7588@extend.eng:/usr/dist/local/config/sparcworks/license.dat:7588@setlicense $SA_JAVA -Xbootclasspath/p:$CP -Djava.rmi.server.codebase=file:/$CP -Djava.security.policy=$STARTDIR\/grantAll.policy sun.jvm.hotspot.DebugServer $*