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: 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: 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

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

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

Reviewed-by: coleenp, never, gbenson

Reviewed-by: kvn, jrose

Summary: Make sure the control word is correct in deopt_blob after restore_result_registers
Reviewed-by: kvn, never

Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

Summary: Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.
Reviewed-by: acorn, swamyv

Summary: Fixed the stack misalignment when generate_native_wrapper is called.
Reviewed-by: never, kamg, kvn, phh

6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
Summary: Avoid casting between int32_t and intptr_t specifically for MasmAssembler::movptr in 32 bit platforms.
Reviewed-by: jrose, kvn

6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: Use the gap also for a narrow oop field and a boxing object value.
Reviewed-by: coleenp, never

Summary: Initial checkin of JSDT code
Reviewed-by: acorn, sbohne