Summary: Add Hotspot code of the Wisp implementation

Test Plan: all Wisp tests

Reviewed-by: yuleil, shiyuexw, sanhong

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

This reverts commit 6585eb9c.

This reverts commit 5382b8e0.

This reverts commit 174fa73f.

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

Summary: Fix build issues on Windows/Mac from G1ElasticHeap

Test Plan:
test/elastic_heap/

Reviewers:
shiyuexw, sanhong

Issue:
https://github.com/alibaba/dragonwell8/issues/54

CR:

Summary: add jwarmup symbols to mapfile

Test Plan: build successful

Reviewers: shiyue, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/53

CR: https://github.com/alibaba/dragonwell8_hotspot/pull/18

Summary: G1ElasticHeap to support heap shrink/expansion in runtime

Test Plan:
test/elastic-heap/

Reviewers:

Issue:
https://github.com/alibaba/dragonwell8/issues/46

CR:
https://github.com/alibaba/dragonwell8_hotspot/pull/12

Test Plan: existing test cases

Reviewed-by: shiyue, kuaiwei

Issue: https://github.com/alibaba/dragonwell8/issues/52

Summary:
  change build script and to code to support windows platform

Test Plan:
  existing test cases

Reviewers:
  shiyue, chuansheng

Issue:
  https://aone.alibaba-inc.com/task/22514166

CR:

Summary:
  Port jwarmup to dragonwell 8u hotspot

ref T19299187

Test Plan:
test/hotspot/jtreg/jwarmup/Issue11272598.java
test/hotspot/jtreg/jwarmup/TestDisableNCE.java
test/hotspot/jtreg/jwarmup/TestNotDeoptJITMethod.sh
test/hotspot/jtreg/jwarmup/issue9780156.sh
test/hotspot/jtreg/jwarmup/TestEagerCompilation.java
test/hotspot/jtreg/jwarmup/TestNotifyDeopt.sh
test/hotspot/jtreg/jwarmup/TestCheckIfCompilationIsComplete.sh
test/hotspot/jtreg/jwarmup/TestFlagAssertion.java
test/hotspot/jtreg/jwarmup/TestReadLogfile.java
test/hotspot/jtreg/jwarmup/TestClassInitChain.java
test/hotspot/jtreg/jwarmup/TestLogFlush.java
test/hotspot/jtreg/jwarmup/TestRecordNullMethodCounter.java
test/hotspot/jtreg/jwarmup/TestThrowInitializaitonException.java
test/hotspot/jtreg/jwarmup/TestDisableMethodData.sh
test/hotspot/jtreg/jwarmup/TestMethodRecorder.java
test/hotspot/jtreg/jwarmup/TestTieredCompilationInRecording.sh

Reviewers: 传胜, 三红, yumin.qi

Reviewed By: 传胜, 三红

Subscribers: 麦庶

Differential Revision: https://aone.alibaba-inc.com/code/D852146

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

Reviewed-by: mdoerr, apetushkov

Summary: Avoid use of lambdas and StringJoiner so GenerateJfrFiles builds with OpenJDK 7
Reviewed-by: shade

Reviewed-by: dholmes, alanb, rriggs

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

Reviewed-by: clanger, andrew

Summary: Compile with -O3 and relevant C flags as for fdlibm.
Reviewed-by: andrew

Reviewed-by: erikj, dholmes

Summary: Remove Linux kernel version check as very unlikely a kernel older than 2.4 will be used.
Reviewed-by: erikj

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Reviewed-by: erikj

Reviewed-by: tbell

Summary: Only produce those files if STRIP_POLICY != no_strip
Reviewed-by: erikj

Summary: Only add .gnu_debuglink sections when there is some stripping done.
Reviewed-by: erikj, dholmes

Reviewed-by: dholmes, erikj

Reviewed-by: dholmes, erikj

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling
Reviewed-by: erikj, goetz, dholmes

Reviewed-by: erikj

Summary: Generate debug info for assembler files as needed.
Reviewed-by: erikj

Reviewed-by: tbell

Reviewed-by: tbell

Reviewed-by: dsamersoff, erikj

Reviewed-by: ihse, mikael, brutisso

Reviewed-by: ihse, mikael, brutisso

Reviewed-by: tbell, mikael

Reviewed-by: tbell, mikael

Reviewed-by: asaha

Reviewed-by: dcubed, mikael