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>

Reviewed-by: kvn, jrose

6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: NJohn Rose &lt;john.r.rose@oracle.com&gt;, Christian Thalinger &lt;christian.thalinger@oracle.com&gt;, Michael Haupt <michael.haupt@oracle.com>

Reviewed-by: kvn, never

Reviewed-by: sspitsyn, dholmes, coleenp, kamg

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

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

Reviewed-by: coleenp, mgronlun, rbackman

Summary: Change constMethodOop::_exception_table to optionally inlined u2 table.
Reviewed-by: bdelsart, coleenp, kamg

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

Summary: Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance
Reviewed-by: pbk, kamg, dlong, kvn, fparain

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

Reviewed-by: acorn, kamg, sspitsyn, dholmes

Reviewed-by: brutisso, sla, mgerdin

Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com

7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
Summary: Fold instanceKlass::_enclosing_method_class_index and instanceKlass::_enclosing_method_method_index into the instanceKlass::_inner_classes array.
Reviewed-by: never, coleenp
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Assert doesn't respect invokedynamic opcode
Reviewed-by: dcubed, phh

Summary: Add an internal testing API to HotSpot to enable more targeted testing of vm functionality
Reviewed-by: phh, dholmes

7130993: nsk/jdi/ReferenceType/instances/instances004 fails with JFR: assert(ServiceUtil::visible_oop(obj))
Summary: Skip reporting invisible refs in iterate_over_object to avoid assert(ServiceUtil::visible_oop(obj))
Reviewed-by: dcubed, mgronlun, rbackman
Contributed-by: serguei.spitsyn@oracle.com

Reviewed-by: kvn

Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

Summary: reset jvmtithreadstate exception state after frame pop and forceearlyreturn processed
Reviewed-by: minqi, dholmes, dlong
Contributed-by: bill.pittore@oracle.com

Reviewed-by: dholmes, bdelsart, kvn, twisti

Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com

Summary: Change ClassFileParser::parseClassFile() to use the instanceKlass:_cached_class_file_bytes field to avoid leaking the cache.
Reviewed-by: coleenp, acorn, poonam

Summary: Handle LVT attribute in the class file reconstitutor.
Reviewed-by: phh, coleenp
Contributed-by: Nthomaswue <thomas.wuerthinger@oracle.com>

Summary: Revamp class os's socket method formal args to match socket.h, insert casts in appropriate places, and copyin-copyout int*'s that s/b socklen_t*'s in jvm.cpp.
Reviewed-by: coleenp, dholmes
Contributed-by: erik.gahlin@oracle.com, rickard.backman@oracle.com, nils.loodin@oracle.com, markus.gronlund@oracle.com

Summary: Fixed G1CollectedHeap::is_in, added tests, cleaned up comments and made Space::is_in pure virtual.
Reviewed-by: brutisso, tonyp, jcoomes

Reviewed-by: kvn, jrose, twisti

Summary: arrayOopDesc::max_array_length() should return a value that does not overflow a size_t if it is converted to bytes.
Reviewed-by: kvn, dholmes

7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
Reviewed-by: never
Contributed-by: NOmair Majid <omajid@redhat.com>

7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
Reviewed-by: iveresov, never

Reviewed-by: kvn, twisti

Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: NChristos Zoulas &lt;christos@zoulas.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Kurt Miller &lt;kurt@intricatesoftware.com&gt;, Alexander Strange &lt;astrange@apple.com&gt;, Mike Swingler &lt;swingler@apple.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Victor Hernandez &lt;vhernandez@apple.com&gt;, Pratik Solanki <psolanki@apple.com>

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>

Reviewed-by: kvn

Summary: shared fix necessary for ARM/PPC
Reviewed-by: twisti, roland

Reviewed-by: kvn

Reviewed-by: jrose, twisti, kvn, coleenp

Reviewed-by: jrose, never