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

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

Reviewed-by: acorn, hseigel, ahgross, rhalade

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

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

Summary: Behavior of strncmp may be unexpected if char buffers[s] is[are] not null terminated and buffer size is smaller than the length n. Added check to avoid this scenario.
Reviewed-by: dholmes, iklam

Summary: Behavior of strncmp may be unexpected if char buffers[s] is[are] not null terminated and buffer size is smaller than the length n. Added check to avoid this scenario.
Reviewed-by: dholmes, iklam

Reviewed-by: acorn, hseigel, mschoene

Reviewed-by: jrose, ahgross, alanb, bmoloden

Reviewed-by: jrose, ahgross, alanb, bmoloden

Reviewed-by: sla, stefank

Reviewed-by: mgerdin, coleenp, bdelsart

8058536: java/lang/instrument/NativeMethodPrefixAgent.java fails due to VirtualMachineError: out of space in CodeCache for method handle intrinsic
Summary: Make sure MH intrinsics can be created before compiler instances
Reviewed-by: kvn

Reviewed-by: mchung, dfuchs, ahgross, jmasa, brutisso, mgerdin
Contributed-by: kim.barrett@oracle.com

Reviewed-by: mchung, dfuchs, ahgross, jmasa, brutisso, mgerdin
Contributed-by: kim.barrett@oracle.com

Summary: Misplacement of #if INCLUE_CDS, typos, unnecessary C string duplication
Reviewed-by: dholmes, ccheung

Summary: Because anonymous classes are not in the system dictionary, we have to set 'unloading_occurred' based on 'CLDG::do_unloading()'. Added jtreg test.
Reviewed-by: kvn, coleenp

Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

Summary: Initialize host_klass while parsing the class with the other initializations.
Reviewed-by: sspitsyn, stefank

Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

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

8058092: Test vm/mlvm/meth/stress/compiler/deoptimize. Assert in src/share/vm/classfile/systemDictionary.cpp: MH intrinsic invariant
Summary: Throw exception if unable to compile an MH intrinsic
Reviewed-by: kvn

Summary: Don't make compiled MH intrinsics not entrant when redefining classes
Reviewed-by: kvn, vlivanov

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: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.
Reviewed-by: dcubed, acorn

Reviewed-by: dholmes, kvn, stefank, twisti

Summary: Initialize host_klass while parsing the class with the other initializations.
Reviewed-by: sspitsyn, stefank

Summary: no call to SystemDictionary::notice_modification() when class is defined through Unsafe.defineAnonymousClass() can caused missed dependency change.
Reviewed-by: kvn, twisti

Reviewed-by: dholmes, egahlin

Reviewed-by: iveresov, jrose

Summary: Move protection domain oops from system dictionary entries into a seperate set; the system dictionary references entries in that set now. This allows fast iteration during non-classunloading garbage collection. Implementation based on initial prototype from Ioi Lam (iklam).
Reviewed-by: coleenp, iklam

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: Need to walk array class vtables replacing old methods too if j.l.o redefined
Reviewed-by: sspitsyn, dcubed, ctornqvi

8013648: Guarantee(VerifyBeforeGC || VerifyDuringGC || VerifyBeforeExit || VerifyAfterGC) failed: too expensive
Summary: Fix code to call correct version of function find_class().
Reviewed-by: coleenp, rdurbin, dcubed

Summary: Avoid holding SystemDictionary_lock while calling Klass::remove_unshareable_info
Reviewed-by: coleenp, acorn
Contributed-by: ioi.lam@oracle.com

Summary: Fix text, overwritten type and holder for resolved method
Reviewed-by: coleenp, dcubed, minqi, dholmes

Reviewed-by: kvn, jrose

Summary: Check for exception during SystemDictionary::resolve_instance_class_or_null() and clean up.
Reviewed-by: coleenp, acorn, hseigel, minqi
Contributed-by: ioi.lam@oracle.com

Summary: SystemDictionary::find(...) should not create and register ClassLoaderData objects for class loaders.
Reviewed-by: coleenp, acorn
Contributed-by: NStefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Erik Helin <erik.helin@oracle.com>

Summary: Perform verification during VM startup under control of new flag and within a VMOperation.
Reviewed-by: stefank, jmasa, brutisso