hg: jdk/sandbox: 8236236: Eliminate CDS md region and consolidate c++ vtable patching code

[chris.hegarty at oracle.com]

Changeset: ee29fd484961
Author:    iklam
Date:      2020-01-22 11:52 -0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ee29fd484961

8236236: Eliminate CDS md region and consolidate c++ vtable patching code
Reviewed-by: ccheung

! src/hotspot/share/include/cds.h
! src/hotspot/share/memory/dynamicArchive.cpp
! src/hotspot/share/memory/filemap.cpp
! src/hotspot/share/memory/filemap.hpp
! src/hotspot/share/memory/metaspaceShared.cpp
! src/hotspot/share/memory/metaspaceShared.hpp
! src/hotspot/share/runtime/vmStructs.cpp
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/FileMapInfo.java
! test/hotspot/jtreg/runtime/cds/SpaceUtilizationCheck.java
! test/hotspot/jtreg/runtime/cds/appcds/SharedArchiveConsistency.java
! test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/ArchiveConsistency.java