hg: jdk7/hotspot-comp/hotspot: 6687581: Make CMS work with compressed oops

[coleen.phillimore at sun.com]

Changeset: 790e66e5fbac
Author:    coleenp
Date:      2008-06-09 11:51 -0400
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/790e66e5fbac

6687581: Make CMS work with compressed oops
Summary: Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.
Reviewed-by: ysr, jmasa

! agent/src/share/classes/sun/jvm/hotspot/memory/CompactibleFreeListSpace.java
! agent/src/share/classes/sun/jvm/hotspot/memory/FreeChunk.java
! agent/src/share/classes/sun/jvm/hotspot/oops/Mark.java
! src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp
! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
! src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.hpp
! src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.cpp
+ src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp
! src/share/vm/gc_implementation/concurrentMarkSweep/vmStructs_cms.hpp
! src/share/vm/gc_implementation/includeDB_gc_concurrentMarkSweep
! src/share/vm/oops/markOop.hpp
! src/share/vm/runtime/arguments.cpp
! src/share/vm/runtime/vmStructs.cpp