8152953: ForceSafepoint operations should be more specific
Reviewed-by: dholmes, sspitsyn, rkennke, coleenp

Merge

Merge

Merge

8155672: Remove instanceKlassHandles and KlassHandles
Summary: Summary: Use unhandled pointers for Klass and InstanceKlass, remove handles with no implementation.
Reviewed-by: dholmes, lfoltan, vlivanov, sspitsyn

8177530: Module system implementation refresh (4/2017)
Reviewed-by: lfoltan, sspitsyn
Contributed-by: alan.bateman@oracle.com, harold.seigel@oracle.com, mandy.chung@oracle.com

8176100: [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, coleenp, tschatzl

8176054: [BACKOUT][REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, mgerdin

8175085: [REDO] G1 Needs pre barrier on dereference of weak JNI handles
Reviewed-by: kbarrett, dcubed, tschatzl

8175086: [BACKOUT] fix for JDK-8166188
Reviewed-by: kbarrett, jwilhelm, dcubed

8166188: G1 Needs pre barrier on dereference of weak JNI handles
Summary: Add low tag to jweaks and G1 barrier for jweak loads.
Reviewed-by: mgerdin, mdoerr, pliden, dlong, dcubed, coleenp, aph, tschatzl
Contributed-by: kim.barrett@oracle.com, martin.doerr@sap.com, volker.simonis@sap.com

8169069: Module system implementation refresh (11/2016)
Reviewed-by: lfoltan, acorn, ctornqvi, mchung
Contributed-by: lois.foltan@oracle.com, harold.seigel@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com, serguei.spitsyn@oracle.com, george.triantafillou@oracle.com

8164612: NoSuchMethodException when method name contains NULL or Latin-1 supplement character
Summary: String length needs to be updated when converting from unicode to utf8.
Reviewed-by: kvn, coleenp

8165226: Bad -Xloggc: arguments crashes the VM
Reviewed-by: dsamersoff, sjohanss

8145964: NoClassDefFound error in transforming lambdas
Summary: Skip VM anonymous classes in retransformation and give an error for redefinition.
Reviewed-by: dholmes, dcubed, never

8136930: Simplify use of module-system options by custom launchers
Reviewed-by: coleenp, lfoltan, mchung

8159145: Add JVMTI function GetNamedModule
Summary: Introduce function GetNamedModule with a jtreg test coverage
Reviewed-by: alanb, ctornqvi, hseigel, jiangli, dholmes, dcubed

8075030: JvmtiEnv::GetObjectSize reports incorrect java.lang.Class instance size
Reviewed-by: coleenp, sspitsyn, sla

8154110: Update class* and safepoint* logging subsystems
Summary: Refactored logging tags in class and safepoint subsystems.
Reviewed-by: coleenp, rehn, hseigel

8154059: JVMTI ObjectTagging to UL
Reviewed-by: sspitsyn, mlarsson

8075253: Multiversion JAR feature: CDS does not support MV-JARs
Summary: handle "Multi-Release" jar during CDS dump time
Reviewed-by: jiangli, iklam, minqi, redestad

Merge

8150015: Integrate TraceTime with Unified Logging more seamlessly
Reviewed-by: coleenp, dholmes

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, harold.seigel@oracle.com, lois.foltan@oracle.com, calvin.cheung@oracle.com, christian.tornqvist@oracle.com, erik.joelsson@oracle.com, george.triantafillou@oracle.com, igor.ignatyev@oracle.com, ioi.lam@oracle.com, james.laskey@oracle.com, jean-francois.denise@oracle.com, jiangli.zhou@oracle.com, markus.gronlund@oracle.com, serguei.spitsyn@oracle.com, staffan.larsen@oracle.com, sundararajan.athijegannathan@oracle.com

8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
Summary: TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData have been reimplemented using Unified logging.
Reviewed-by: iklam, coleenp, dholmes, jiangli, hseigel, rprotacio
Contributed-by: max.ockner@oracle.com, ioi.lam@oracle.com

8147464: Use LogConfiguration::configure_stdout() instead of parse_log_arguments
Reviewed-by: mlarsson, sjohanss

8145083: Use semaphore instead of mutex for synchronization of Unified Logging configuration
Reviewed-by: dholmes, kbarrett, mgronlun

8145092: Use Unified Logging for the GC logging
Summary: JEP-271. VM changes contributed by brutisso, test changes contributed by david.
Reviewed-by: sjohanss, david, brutisso
Contributed-by: bengt.rutisson@oracle.com, david.lindholm@oralce.com

8140485: Class load and creation cleanup
Reviewed-by: hseigel, coleenp, sspitsyn

Merge

8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

8139203: Consistent naming for klass type predicates
8138923: Remove oop coupling with InstanceKlass subclasses
Summary: Renamed oop_is_instance and friends, removed the functions in oop that dug down into InstanceKlass.
Reviewed-by: jrose, lfoltan, stefank

8139040: Fix initializations before ShouldNotReachHere() etc. and enable -Wuninitialized on linux.
Reviewed-by: stuefe, coleenp, roland

8132725: Memory leak in Arguments::add_property function
Summary: Logic in add_property was rewritten to avoid memory leak
Reviewed-by: iklam, coleenp

8072911: Remove includes of oop.inline.hpp from .hpp files
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes

8064701: Some CDS optimizations should be disabled if bootclasspath is modified by JVMTI
Summary: Added API to track bootclasspath modification
Reviewed-by: jiangli, dholmes, minqi

8059677: Thread.getName() instantiates Strings
Reviewed-by: coleenp, dholmes, sla

8062116: JVMTI GetClassMethods is Slow
Summary: Allocate enough space for all jmethodids; make adding a jmethodid O(1)
Reviewed-by: coleenp, rasbold, sspitsyn

8026977: NPG: Remove ConstantPool::lock
Summary: Write klass and resolved_references constant pool fields lock free.
Reviewed-by: jrose, twisti

8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
Reviewed-by: dholmes, sspitsyn

6471769: Error: assert(_cur_stack_depth == count_frames(),"cur_stack_depth out of sync")
Summary: It is more safe to get/update data for suspended threads at a safepoint
Reviewed-by: dcubed, twisti, dholmes
Contributed-by: serguei.spitsyn@oracle.com

8034249: need more workarounds for suspend equivalent condition issue
Summary: Collect data at safepoint, do not rely on thread suspension
Reviewed-by: dcubed, dholmes
Contributed-by: serguei.spitsyn@oracle.com

8032223: nsk/regression/b4663146 gets assert(SafepointSynchronize::is_at_safepoint() || JvmtiEnv::is_thread_fully_suspended(get_thread(), false, &debug_bits))
Summary: It is better to calculate frame count for suspended threads at a safepoint
Reviewed-by: twisti, dsamersoff, sla, dholmes, dcubed
Contributed-by: serguei.spitsyn@oracle.com

8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
Summary: Revert changes in JDK-8008962
Reviewed-by: coleenp, sspitsyn

8008962: NPG: Memory regression: One extra Monitor per ConstantPool
Summary: Re-use InstanceKlass::_init_lock locking ConstantPool as well.
Reviewed-by: dholmes, coleenp, acorn

8000692: Remove old KERNEL code
Summary: Removed depreciated kernel VM source code from hotspot VM
Reviewed-by: dholmes, acorn

8003935: Simplify the needed includes for using Thread::current()
Reviewed-by: dholmes, rbackman, coleenp

8001471: Klass::cast() does nothing
Summary: Remove function Klass::cast() and calls to it.
Reviewed-by: dholmes, coleenp

8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
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

6964458: Reimplement class meta-data storage to use native memory
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: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K
Reviewed-by: sspitsyn, dholmes, coleenp, kamg

6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

7122253: Instrumentation.retransformClasses() leaks class bytes
Summary: Change ClassFileParser::parseClassFile() to use the instanceKlass:_cached_class_file_bytes field to avoid leaking the cache.
Reviewed-by: coleenp, acorn, poonam

7103224: collision between __LEAF define in interfaceSupport.hpp and /usr/include/sys/cdefs.h with gcc
Reviewed-by: never
Contributed-by: Omair Majid <omajid@redhat.com>

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

7086585: make Java field injection more flexible
Reviewed-by: jrose, twisti, kvn, coleenp

7007254: NullPointerException occurs with jvisualvm placed under a dir. including Japanese chars
Summary: use java_lang_String::create_from_platform_dependent_str() instead of java_lang_String::create_from_str() in JvmtiEnv::AddToSystemClassLoaderSearch()
Reviewed-by: dcubed

6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
Summary: Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean.
Reviewed-by: coleenp, kvn, dholmes, ysr

7004582: Add GetThisObject() function to JVMTI 1.2
Summary: Add 'GetThisObject' function
Reviewed-by: never, coleenp

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

6968367: can_post_on_exceptions is still using VM_DeoptimizeFrame in some places
Reviewed-by: kvn, twisti

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Merge

6637203: Classunloading messages go to stdout rather than Xloggc file, causing hangs when stdout is closed
Summary: Decoupled TraceClassUnloading from verbose:gc, JVMTI_VERBOSE_GC and PrintGC[Details], making it settable in a manner identical to TraceClassLoading. Reverted an inadvertent change of TraceClassUnloading output in a previous changeset from gclog back to tty.
Reviewed-by: coleenp, dholmes, jmasa, poonam

Merge

6914300: ciEnv should export all well known classes
Reviewed-by: kvn, twisti

Merge

6849968: 3/2 JVMTI tests fails on jdk5.0 with hs14
Summary: If a JVMTI agent asks for version 1.0, then it should get version 1.0 semantics.
Reviewed-by: dholmes, ohair

6648438: 4/4 src/share/vm/prims/jvmtiEnv.cpp:457 assert(phase == JVMTI_PHASE_LIVE,"sanity check")
Summary: Return error on invalid JVMTI_PHASE instead of asserting.
Reviewed-by: dholmes, ohair

6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv

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