hg: jdk/jdk: 8216557: Aarch64: Add support for Concurrent Class Unloading

[ningsheng.jian at arm.com]

Changeset: 44ca4b9d77ce
Author:    smonteith
Date:      2020-04-29 14:53 +0800
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/44ca4b9d77ce

8216557: Aarch64: Add support for Concurrent Class Unloading
Reviewed-by: aph, eosterlund, pliden, njian
Contributed-by: aph at redhat.com, stuart.monteith at arm.com

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/c1_MacroAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/shared/barrierSetAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/shared/barrierSetAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/gc/shared/barrierSetNMethod_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/z/zArguments_aarch64.cpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
! src/hotspot/cpu/aarch64/stubRoutines_aarch64.cpp
! src/hotspot/cpu/aarch64/stubRoutines_aarch64.hpp
! src/hotspot/share/gc/shared/barrierSetNMethod.cpp
! src/hotspot/share/runtime/globals.hpp
! src/hotspot/share/runtime/sharedRuntime.cpp
! test/hotspot/jtreg/gc/stress/gcbasher/TestGCBasherWithZ.java