Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn

Summary: Changed _query_lock to heap object from static object. Also fixed _query_lock and snapshot lock ranks, so they can participate deadlock detection.
Reviewed-by: coleenp, dholmes, kvn

Summary: Assertion on stack base is not necessary
Reviewed-by: coleenp, dholmes, kvn

Summary: Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.
Reviewed-by: kvn, acorn, dholmes, fparain

Summary: Updated core path location to reflect macosx default
Reviewed-by: dholmes, kamg

Summary: change hotspot flag to be unsigned
Reviewed-by: dholmes, sla, fparain, brutisso
Contributed-by: NChris Dennis <cdennis@terracottatech.com>

Reviewed-by: jcoomes

Summary: libjvm_g_db.so and libjvm_g_dtrace.so links in .diz file still had 64 directory
Reviewed-by: kamg, dholmes, sspitsyn

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

Summary: Missing .PHONY targets in makefile
Reviewed-by: dholmes, dsamersoff

Summary: check for and skip diamond shaped NULL check code for the result of toString()
Reviewed-by: twisti, roland

Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

Summary: Remove the per-thread expansion tables (PosParPRT) and associated expansion and compaction from the fine grain RSet entries. This code has been unused for a while.
Reviewed-by: johnc, brutisso
Contributed-by: NThomas Schatzl <thomas.schatzl@jku.at>

Summary: build powerpc with -fPIC
Reviewed-by: mikael, vladidan, roland
Contributed-by: dean.long@oracle.com

Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

Summary: Bug fix of 7126277 changed hashing algorithm and also changed key as final field, this led SA unable to set correct value for key. Solution by reading key/value and insert them into the new table.
Reviewed-by: dholmes, mikael
Contributed-by: yumin.qi@oracle.com

Summary: String offset and count fields as fix of 6924259 were removed, and become optional. SA still use offset and count fields to read String contents and failed. Fix if they exist, use them other then use value field only to read, this keeps consistent with the changes in 6924259.
Reviewed-by: dholmes, mikael
Contributed-by: yumin.qi@oracle.com

Summary: In fieldDescriptor::generic_signature() returns NULL immediately if the field has no generic signature.
Reviewed-by: dholmes, coleenp, jcoomes

Summary: When looking for the same value in an other register check that all parts of that register has the same value.
Reviewed-by: johnc, twisti

Summary: StackOverflowError may get lost on OSX.
Reviewed-by: kvn, dcubed

7175255: symlinks are wrong, which caused jdk8-promote-2 to fail (client/64/64 directories in debuginfo zips)
Summary: Fix bad paths in client/64 and server/64 debug info and symlink creation
Reviewed-by: ohair, dholmes

Summary: Simple change to enable proper builds of arm target
Reviewed-by: ohair, dholmes

Summary: disable vectorization of a memory access with more elements per vector than one which is used for alignment on sparc
Reviewed-by: twisti

Reviewed-by: jrose, kvn

Reviewed-by: coleenp, jrose, kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

Summary: Arrays.copyOfRange(original, from, to) with from > original.length tries to do a copy with a negative length.
Reviewed-by: kvn, twisti