Summary:
- From http://hg.openjdk.java.net/mlvm/mlvm/hotspot/file/4cd7d914b0e3/coro-simple.patch.
- Resolve trivial conflicts in: systemDictionary.hpp, thread.cpp, debug.hpp.
- Add an option "EnableCoroutine".

Test Plan: run jtreg tests

Reviewed-by: yuleil, shiyuexw, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/113

Summary: Add tag bit to all JNI weak handles
Reviewed-by: kbarrett, coleenp, tschatzl

Reviewed-by: jrose, coleenp, ahgross, acorn, vlivanov

8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Reviewed-by: dlong

8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Reviewed-by: dlong

Reviewed-by: kvn, mdoerr

Reviewed-by: kvn, mdoerr

Summary: Introduce the PreserveFramePointer flag to control if RBP is used as the frame pointer or as a general purpose register.
Reviewed-by: kvn, roland, dlong, enevill, shade

Reviewed-by: coleenp, kvn

Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by: twisti, kvn

Summary: Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed

Summary: the tmp reg used to break the shuffling cycle (handled in ComputeMoveOrder) is set to 64 bit.
Reviewed-by: andrew

Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov

Summary: rbp not restored when stack overflow is thrown from deopt/uncommon trap blobs
Reviewed-by: kvn, iveresov

Summary: On PPC, the first 13 floating point arguments to C calls are passed in floating point registers. Also, all but the first 8 arguments are passed on the stack. So there can be floating point arguments that are passed on the stack and in a register. We duplicate the regs datastructure in c_calling_convention() to represent this.
Reviewed-by: kvn, cjplummer

8003268: SharedRuntime::generate_native_wrapper doesn't save all registers across runtime tracing calls for JNI critical native methods
Reviewed-by: kvn

Summary: Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors.
Reviewed-by: roland

Reviewed-by: kvn

Summary: Change types of above methods and field to InstanceKlass and remove unneeded casts from the source files.
Reviewed-by: dholmes, coleenp, zgu
Contributed-by: harold.seigel@oracle.com

Summary: C1 needs knowledge of T_METADATA at the LIR level.
Reviewed-by: kvn, coleenp

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>

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>

Summary: Save whole XMM/YMM registers in safepoint interrupt handler.
Reviewed-by: roland, twisti

Reviewed-by: kvn, jrose, bdelsart

Reviewed-by: kvn, twisti

Reviewed-by: kvn

7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
Summary: stack must be realigned when calling the runtime for exception propagation at a call.
Reviewed-by: kvn, never

Reviewed-by: kvn

Reviewed-by: never, kvn
Contributed-by: NAndreas Schoesser <andreas.schoesser@sap.com>

Summary: changes necessary for some JSR292 ports
Reviewed-by: jrose, dholmes

Reviewed-by: kvn, jrose

Reviewed-by: twisti, jrose

Reviewed-by: never, kvn

Reviewed-by: kvn, never

Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Summary: C2 for SPARC needs to support JSR 292.
Reviewed-by: kvn, never

Reviewed-by: coleenp, never, gbenson

6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
Summary: During testing a bug was hit when an exception returned to the interpreter and the SP was wrong.
Reviewed-by: kvn, never