Reviewed-by: acorn, hseigel, mschoene

Summary: in FileMapInfo::fail_continue do not set UseSharedSpaces = false
Reviewed-by: dholmes, ccheung

Summary: Change CDS non-fatal preloading errors to warnings.
Reviewed-by: minqi, mseledtsov, coleenp

Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

Summary: Estimate the size of shared archive based on the number of classes in the classlist file
Reviewed-by: iklam, jiangli, minqi, dholmes

Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti

Summary: Preventing GCs to occur before VM is completely initialized. This was previously partly done by one part of the GC locker which not was removed.
Reviewed-by: coleenp, pliden

Summary: Need to refetch each method from InstanceKlass after all safepoints.  Removed leaky PreviousVersionInfo code.
Reviewed-by: dcubed, sspitsyn

8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank

Summary: Fixed MetaspaceShared::is_in_shared_space
Reviewed-by: coleenp, hseigel

Summary: Added dumping of object sizes in CDS archive, sorted by MetaspaceObj::Type
Reviewed-by: coleenp, acorn

Reviewed-by: mgerdin, coleenp

Summary: Changed words to bytes, and added usage percentage information
Reviewed-by: coleenp, twisti
Contributed-by: ioi.lam@oracle.com

Summary: Map memory only once to prevent 'already mapped' failures.
Reviewed-by: acorn, zgu

Summary: Remove function Klass::cast() and calls to it.
Reviewed-by: dholmes, coleenp

Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp

Summary: Change makefiles so that targets and parameters can be overridden by alternate makefiles.
Reviewed-by: dholmes, coleenp

7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
Summary: Need to restore the vtable in metadata when we restore the type from the shared archive.
Reviewed-by: acorn, jcoomes, jmasa, jrose

Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: Njmasa &lt;jon.masamitsu@oracle.com&gt;, stefank &lt;stefan.karlsson@oracle.com&gt;, mgerdin &lt;mikael.gerdin@oracle.com&gt;, never <tom.rodriguez@oracle.com>