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

This reverts commit 5382b8e0.

Summary: Fixed build failure on Windows by disabling CPU related features

Test Plan: hotspot/test/sanity

Reviewed-by: kuaiwei, yuleil

Issue: https://github.com/alibaba/dragonwell8/issues/92

Summary: ported heap isolation feature of MultiTenant to Dragonwell8

Test Plan: hotspot/test/multi-tenant/

Reviewed-by: luchsh, mmyxym

Issue: https://github.com/alibaba/dragonwell8/issues/90

Summary: ported HotSpot interfaces to Dragonwell8 to support MultiTenant framework

Test Plan: jdk/test/multi-tenant

Reviewed-by: yuleil, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/84

Reviewers: 效山, 芳玺, 传胜, 三红, yumin.qi

Reviewed By: 三红, 芳玺, 效山, 卓仁

Differential Revision: https://aone.alibaba-inc.com/code/D815657

8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

Reviewed-by: coleenp, eosterlund, mchung, ahgross, rhalade

Reviewed-by: coleenp, eosterlund, mchung, ahgross, rhalade

Summary: Re-application of the change in JDK-8152271.
Reviewed-by: coleenp, sspitsyn

Summary: Re-application of the change in JDK-8152271.
Reviewed-by: coleenp, sspitsyn

Reviewed-by: coleenp, dcubed

Reviewed-by: coleenp, dcubed

Summary: Optimize the method pointer adjustments for prev klass versions and MNT
Reviewed-by: dcubed, coleenp

Summary: use method cpref and klass version to provide meaningful methods name in stacktraces
Reviewed-by: coleenp, dcubed

8072863: Replace fatal() with vm_exit_during_initialization() when an incorrect class is found on the bootclasspath
Reviewed-by: dholmes, coleenp
Contributed-by: NCheleswer Sahu <cheleswer.sahu@oracle.com>

Summary: note all MemberNames created on internal list for adjusting method entries.
Reviewed-by: sspitsyn, dcubed, lfoltan

Summary: ClassLoader for array klass set to null and not the class loader of the component type.
Reviewed-by: dcubed, ctornqvi

Reviewed-by: coleenp, dholmes, sla

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: Add classLoader to java/lang/Class instance for fast access
Reviewed-by: alanb, lfoltan, rriggs, vlivanov, twisti, jfranck

Reviewed-by: coleenp, pliden

Summary: Keep class in CLD::_klasses list and mirror created for CDS classes if OOM during restore_shareable_info(). This keeps pointers consistent for CMS.
Reviewed-by: ehelin, stefank, jmasa, iklam

Summary: Redefined class in stack trace may not be found by method_idnum so handle null.
Reviewed-by: sla, dcubed, sspitsyn

Summary: Add -XX:+VerifyStringTableAtExit option and code to verify StringTable invariants.
Reviewed-by: rdurbin, sspitsyn, coleenp

Summary: Restore the appendix argument after PopFrame() call
Reviewed-by: twisti, coleenp
Contributed-by: serguei.spitsyn@oracle.com

Reviewed-by: acorn, coleenp, sla
Contributed-by: NKaren Kinnear &lt;karen.kinnear@oracle.com&gt;, Bengt Rutisson &lt;bengt.rutisson@oracle.com&gt;, Calvin Cheung &lt;calvin.cheung@oracle.com&gt;, Erik Gahlin &lt;erik.gahlin@oracle.com&gt;, Erik Helin &lt;erik.helin@oracle.com&gt;, Jesper Wilhelmsson &lt;jesper.wilhelmsson@oracle.com&gt;, Keith McGuigan &lt;keith.mcguigan@oracle.com&gt;, Mattias Tobiasson &lt;mattias.tobiasson@oracle.com&gt;, Markus Gronlund &lt;markus.gronlund@oracle.com&gt;, Mikael Auno &lt;mikael.auno@oracle.com&gt;, Nils Eliasson &lt;nils.eliasson@oracle.com&gt;, Nils Loodin &lt;nils.loodin@oracle.com&gt;, Rickard Backman &lt;rickard.backman@oracle.com&gt;, Staffan Larsen &lt;staffan.larsen@oracle.com&gt;, Stefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

Summary: Inject protection_domain, signers, init_lock into java_lang_Class
Reviewed-by: stefank, dholmes, sla

Summary: Instead of terminating the VM, throw OutOfMemoryError exceptions.
Reviewed-by: coleenp, dholmes

Reviewed-by: acorn

Summary: Lazily create and maintain the MemberNameTable to be able to update MemberName's
Reviewed-by: coleenp, jrose, dholmes
Contributed-by: serguei.spitsyn@oracle.com

Reviewed-by: acorn, hawtin

Summary: misc correctness fixes
Reviewed-by: acorn, dholmes, dice, sspitsyn
Contributed-by: dave.dice@oracle.com

Summary: Remove Method* from backtrace but save version so redefine classes doesn't give inaccurate line numbers.  Removed old Merlin API with duplicate code.
Reviewed-by: dholmes, sspitsyn

Reviewed-by: coleenp, dholmes

Summary: Add hotspot support for parameter reflection
Reviewed-by: acorn, jrose, coleenp
Contributed-by: eric.mccorkle@oracle.com

Reviewed-by: dholmes, coleenp
Contributed-by: joel.franck@oracle.com

Summary: renamed to hash_code
Reviewed-by: dholmes, coleenp, brutisso
Contributed-by: erik.helin@oracle.com

Summary: Add ClassLoaderData object for each anonymous class with metaspaces to allocate in.
Reviewed-by: twisti, jrose, stefank