8178380: Module system implementation refresh (5/2017)
Reviewed-by: lfoltan, hseigel, mchung, sspitsyn
Contributed-by: alan.bateman@oracle.com, serguei.spitsyn@oracle.com

8174823: Module system implementation refresh (3/2017)
Reviewed-by: sspitsyn, dholmes, lfoltan, mchung

8162795: [REDO] MemberNameTable doesn't purge stale entries
Summary: Re-application of the change in JDK-8152271.
Reviewed-by: coleenp, sspitsyn

8170959: unloading archived shared class caused crash
Reviewed-by: coleenp, sspitsyn, mockner

8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, psandoz, coleenp, iklam, stefank, simonis
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>, Christian Thalinger <cthalinger@twitter.com>, Dean Long <dean.long@oracle.com>, Dmitrij Pochepko <dmitrij.pochepko@oracle.com>, Dmitry Chuyko <dmitry.chuyko@oracle.com>, Doug Simon <doug.simon@oracle.com>, Eric Caspole <eric.caspole@oracle.com>, Igor Ignatyev <igor.ignatyev@oracle.com>, Igor Veresov <igor.veresov@oracle.com>, John Rose <john.r.rose@oracle.com>, Morris Meyer <morris.meyer@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Rickard Backman <rickard.backman@oracle.com>

Merge

8169734: Update uses of string "java.base" to macro
Summary: Replaced instances of "java.base" string with JAVA_BASE_NAME macro
Reviewed-by: sspitsyn, dcubed

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

8166203: NoClassDefFoundError should not be thrown if class is in_error_state at link time
Reviewed-by: coleenp, dholmes, sspitsyn

8081800: AbstractMethodError when evaluating a private method in an interface via debugger
Reviewed-by: acorn, dcubed, coleenp

8163969: Cyclic interface initialization causes JVM crash
Summary: Fix interface initialization to follow spec: interface initializations do not set initialization state of interfaces that extend them.
Reviewed-by: dholmes, acorn, lfoltan

8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
Summary: In java_lang_Class::create_mirror, restructure the check for adding a class to the fixup_module_list, guarded by Module_lock.
Reviewed-by: acorn, coleenp, dholmes, zgu

8078644: CDS needs to support JVMTI CFLH
Summary: Support posting CLFH for shared classes. Tests are contributed by Misha Seledtsov.
Reviewed-by: iklam, coleenp, acorn, dcubed, sspitsyn

8165246: [REDO] InstanceKlass::_previous_version_count goes negative
Summary: make _has_previous_version a boolean that is set to true when previous version of a class is added or during class unloading call to purge_previous_versions
Reviewed-by: gtriantafill, dcubed, sspitsyn

8165268: [BACKOUT] InstanceKlass::_previous_version_count goes negative
Reviewed-by: dcubed

8164692: InstanceKlass::_previous_version_count goes negative
Summary: decrement previous_version_count when it's removed from the list.
Reviewed-by: dcubed, dlong, sspitsyn

8158854: Ensure release_store is paired with load_acquire in lock-free code
Reviewed-by: shade, dcubed, zgu

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8161445: [BACKOUT] MemberNameTable doesn't purge stale entries
Summary: Original change caused performance regression in microbenchmarks after GC
Reviewed-by: dholmes, ecaspole

8162340: Better class stream parsing
Summary: Check platform and boot loader for java/* packages
Reviewed-by: lfoltan, coleenp, dholmes

8153312: Constrain AppCDS behavior
Reviewed-by: iklam, acorn, mschoene

8150752: Share Class Data
Reviewed-by: acorn, hseigel, mschoene

8159666: Better CDS support for Event-based tracing
Reviewed-by: jiangli, mgronlun

8152271: MemberNameTable doesn't purge stale entries
Summary: Intern MemberNames in table instead of allocating new entries
Reviewed-by: vlivanov, sspitsyn, dholmes

8157490: JCK test vm/jni/DefineClass/dfcl001/dfcl00101m1/dfcl00101m1 crashes when run with -Xlog:classload=info
Summary: null stream->source() no longer causes error with -Xlog:class+load
Reviewed-by: lfoltan, coleenp

8153858: Clean up needed when obtaining the package name from a fully qualified class name
Summary: Consolidated and refactored code parsing fully qualified names. Includes gtest.
Reviewed-by: dholmes, coleenp

8154750: Add missing OrderAccess operations to ClassLoaderData lock-free data structures
Reviewed-by: kbarrett, coleenp, acorn

8153535: Convert TraceRedefineClasses to Unified Logging
Reviewed-by: rprotacio, coleenp

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

8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
Summary: Converted package() and module() functions to pure virtual functions of Klass
Reviewed-by: dholmes, coleenp, lfoltan, hseigel

8148195: Some InstanceKlass and MethodCounters fields can be excluded when JVMTI is not supported
Summary: Removed "previous version", "cached class file", and breakpoint related fields and code when JVMTI is not supported
Reviewed-by: coleenp, sspitsyn

8132524: Missing includes to resourceArea.hpp
Summary: Files that use ResourceMark are missing the include of resourceArea.hpp
Reviewed-by: tschatzl, jwilhelm

8152632: Rename LogHandle(...) to Log(...)
Reviewed-by: brutisso, mlarsson, rprotacio

Merge

8023191: OSR nmethods should be flushed to free space in CodeCache
Summary: Treat OSR nmethods like normal nmethods and flush them if they are cold/unused.
Reviewed-by: kvn

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

7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode
Reviewed-by: jrose, kvn

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

8148481: Devirtualize Klass::vtable
Summary: Move remainder of vtable related methods to Klass
Reviewed-by: cjplummer, coleenp

8148047: Move the vtable length field to Klass
Reviewed-by: cjplummer, twisti, coleenp, kbarrett

8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
Summary: Use align_metadata_size, align_metadata_offset and is_metadata_aligned for metadata rather than align_object_size, etc. Use wordSize rather than HeapWordSize for metadata. Use align_ptr_up rather than align_pointer_up (all the related functions are ptr).
Reviewed-by: hseigel, jmasa, cjplummer

8143608: Don't 64-bit align start of InstanceKlass vtable, itable, and nonstatic_oopmap on 32-bit systems
Summary: Removed alignment of these fields.
Reviewed-by: coleenp, dholmes, mgerdin

8146690: Make all classes in GC follow the naming convention.
Reviewed-by: dholmes, stefank

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

8142976: Reimplement TraceClassInitialization with Unified Logging
Summary: TraceClassInitialization logging reimplemented with Unified Logging.
Reviewed-by: coleenp, hseigel

Merge

8098557: Only init superintf if subclass, not sub interface inits.
Summary: must exclude jck lang exec05001m311_rt until fixed.
Reviewed-by: lfoltan, hseigel, dholmes

8143408: Crash during InstanceKlass unloading when clearing dependency context
Reviewed-by: kvn

8139595: MethodHandles::remove_dependent_nmethod is not MT safe
Reviewed-by: jrose, coleenp

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

8139163: InstanceKlass::cast passes through NULL
Summary: Reduce raw (InstanceKlass*) casts and InstanceKlass::cast, which no long allows null
Reviewed-by: twisti, kbarrett

8140274: methodHandles and constantPoolHandles should be passed as const references
Summary: modified code to use const reference parameters
Reviewed-by: sspitsyn, twisti

8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
Reviewed-by: mgerdin, vlivanov

8138659: Speed up InstanceKlass subclass discrimination
Summary: Add _misc_kind field and flags, move around predicates.
Reviewed-by: coleenp, stefank

8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
8042894: runtime: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
Reviewed-by: goetz, brutisso

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

8087342: Crash in klassItable::initialize_itable_for_interface
Summary: Fix method searches to handle static, private instance and overpass
Reviewed-by: lfoltan, dholmes, hseigel

8076110: VM crash when class is redefined with Instrumentation.redefineClasses
Reviewed-by: coleenp, sspitsyn

Merge

8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
Reviewed-by: sspitsyn, coleenp

Merge

8059340: ConstantPool::_resolved_references is missing in heap dump
Reviewed-by: sspitsyn, stefank, twisti

8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
Reviewed-by: roland, psandoz, plevart, kbarrett, jrose

8076319: jstat verified class fix
Summary: Move verify perf data so that it only counts classes that actually get verified.
Reviewed-by: acorn, coleenp, gtriantafill

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david

Merge

8057919: Class.getSimpleName() should work for non-JLS compliant class names
Reviewed-by: dholmes, jrose

Merge

8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
Reviewed-by: brutisso, coleenp, kbarrett, sjohanss

Merge

Merge

8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
Summary: use method cpref and klass version to provide meaningful methods name in stacktraces
Reviewed-by: coleenp, dcubed

8005521: StressMethodComparator is not thread-safe
Summary: Remove the debug option. It isn't correct or tested.
Reviewed-by: gtriantafill, dholmes, sspitsyn

8075957: Reduce calls to the GC specific object visitors in oopDesc
Reviewed-by: brutisso, mgerdin, pliden

Merge

8075247: Cleanup specialized_oop_closures.hpp
Reviewed-by: mgerdin, brutisso, tschatzl

8075242: Remove SpecializationStats
Reviewed-by: brutisso, mgerdin

8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
Summary: Only do full metadata walk during class redefinition and only walk handles during class unloading.
Reviewed-by: sspitsyn, stefank

8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale
Summary: optimize the adjust_method_entries functions by using the orig_method_idnum() function
Reviewed-by: coleenp, dcubed
Contributed-by: serguei.spitsyn@oracle.com

Merge

8067480: Crash in klassItable::initialize_itable_for_interface when running vm.runtime.defmeth.StaticMethodsTest.
Summary: A static method should be skipped in entirety by find_instance_method(), searching should continue to find an overpass method of the same name and signature if present.
Reviewed-by: acorn, hseigel

8064524: Compiler code generation improvements
Reviewed-by: jrose, acorn, vlivanov

8067713: Move clean_weak_method_links for redefinition out of class unloading
Summary: Do this work during class redefinition, only verify clean during class unloading in debug mode.
Reviewed-by: sspitsyn, roland, kbarrett

Merge

8060074: os::free() takes MemoryTrackingLevel but doesn't need it
Summary: Cleaned up unused arguments in os::free and it's callers.
Reviewed-by: lfoltan, coleenp, ctornqvi, dholmes
Contributed-by: max.ockner@oracle.com

Merge

Merge

8064811: Use THREAD instead of CHECK_NULL in return statements
Reviewed-by: coleenp, simonis, dholmes

8042235: redefining method used by multiple MethodHandles crashes VM
Summary: note all MemberNames created on internal list for adjusting method entries.
Reviewed-by: sspitsyn, dcubed, lfoltan

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

8062370: Various minor code improvements
Summary: A lot of fixes useful to improve the code quality.
Reviewed-by: coleenp, dholmes

Merge

8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method.
Reviewed-by: kvn, iignatyev

8059846: InstanceKlass should use MutexLockerEx to acquire OsrList_lock
Summary: Replace explicit locking of OsrList_lock by a MutexLockerEx instantiation.
Reviewed-by: kvn, anoll, drchase, dholmes, dlong, coleenp

8043275: Fix interface initialization for default methods.
Summary: Initialize interfaces that declare concrete instance methods.
Reviewed-by: kamg, coleenp, psandoz

8055008: Clean up code that saves the previous versions of redefined classes
Summary: Use scratch_class to find EMCP methods for breakpoints if the old methods are still running.
Reviewed-by: dcubed, sspitsyn

8046210: Missing memory barrier when reading init_lock
Reviewed-by: fparain, dcubed, mdoerr
Contributed-by: Bill Pittore <bill.pittore@oracle.com>

8054819: Rename HeapRegionSeq to HeapRegionManager
Reviewed-by: jwilhelm, jmasa

8046070: Class Data Sharing clean up and refactoring
Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

8049426: Minor cleanups after G1 class unloading
Reviewed-by: stefank, brutisso

8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

8049420: Backout 8048248 to correct attribution
Reviewed-by: ehelin, brutisso

8048248: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov

8046670: Make CMS metadata aware closures applicable for other collectors
Reviewed-by: ehelin, mgerdin

8044775: Improve usage of umbrella header atomic.inline.hpp.
Reviewed-by: stefank, kvn

6904403: assert(f == k-&gt;has_finalizer(),&quot;inconsistent has_finalizer&quot;) with debug VM
Summary: Don't assert if one of classes in hierarhy was redefined
Reviewed-by: coleenp, sspitsyn

8042727: nsk/jdb/unwatch/unwatch001 crash in InstanceKlass::methods_do(void (*)(Method*))
Summary: Only walk methods in instanceklass if the class is loaded
Reviewed-by: dholmes, fparain

8037816: Fix for 8036122 breaks build with Xcode5/clang
Summary: Repaired or selectively disabled offending formats; future-proofed with additional checking
Reviewed-by: kvn, jrose, stefank

8042195: Introduce umbrella header orderAccess.inline.hpp.
Reviewed-by: dholmes, kvn, stefank, twisti

8036956: remove EnableInvokeDynamic flag
Summary: The EnableInvokeDynamic flag and all support code is removed because it is not longer used in JDK 9.
Reviewed-by: kvn, twisti
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>

8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
Summary: A static method should be preferred during method resolution over an overpass, search the current class as well as its superclasses.
Reviewed-by: acorn, coleenp, kamg

Merge

8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
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

8038636: speculative traps break when classes are redefined
Summary: remove speculative traps that point to methods that are redefined
Reviewed-by: kvn, twisti

8031820: NPG: Fix remaining references to metadata as oops in comments
8012125: Comments for ConstantPoolCache should reflect the addition of resolved_references in ConstantPool
Summary: Updated comments in metadata header files, and renamed this_oop variables to this_cp or this_k when referring to constant pool or classes.
Reviewed-by: stefank, jmasa

Merge

8034188: OSR methods may not be recompiled at proper compilation level
Summary: remove_osr_nmethod doesn't check that it is the correct method
Reviewed-by: kvn, iveresov

8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

Merge

8035648: Don't use Handle in java_lang_String::print
Reviewed-by: coleenp, pliden

4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
Reviewed-by: dcubed, dholmes, sspitsyn

Merge

Merge

Merge

8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
Summary: memory ordering fixes in GC and other runtime code showing on PPC64.
Reviewed-by: kvn, coleenp

8034080: Remove the USDT1 dtrace code from Hotspot
Reviewed-by: dholmes, coleenp

8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
Summary: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.
Reviewed-by: dcubed, acorn

8027804: JCK resolveMethod test fails expecting AbstractMethodError
Summary: Create AME overpass methods and fix method search logic
Reviewed-by: kamg, acorn, lfoltan, coleenp

8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40
Summary: Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.
Reviewed-by: stefank, jmasa, mgerdin

Merge

Merge

8027675: Full collections with Serial slower in JDK 8 compared to 7u40
Summary: Reduced the number of calls to follow_class_loader and instead marked and pushed the klass holder directly. Also removed unneeded calls to adjust_klass.
Reviewed-by: coleenp, jmasa, mgerdin, tschatzl

8028438: static superclass method masks default methods
Reviewed-by: hseigel, lfoltan, coleenp

8026065: InterfaceMethodref for invokespecial must name a direct superinterface
Summary: Add verification to check that invokespecial of an InterfaceMethodref names a method in a direct superinterface of the current class or interface in accordance with JSR 335, JVMS 4.9.2 Structural Constraints.
Reviewed-by: acorn, hseigel, coleenp
Contributed-by: lois.foltan@oracle.com

8027572: assert(r != 0) failed: invalid
Summary: null classes should be expected in profiles with conflicts
Reviewed-by: kvn, iveresov

8024423: JVMTI: GetLoadedClasses doesn't enumerate anonymous classes
Summary: Rewrite of the getLoadedClasses() method implementation to include anonymous classes.
Reviewed-by: coleenp, sspitsyn

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

8024667: VM crashes with "assert(method() != NULL) failed: must have set method"
Summary: Check if data is in shared spaces before deallocating it.
Reviewed-by: coleenp, dcubed

8026185: nsk/jvmit/GetMethodDeclaringClass/declcls001 failed
Summary: Missed initialization. Thanks Coleen.
Reviewed-by: coleenp, minqi

8009130: Lambda: Fix access controls, loader constraints.
Summary: New default methods list with inherited superinterface methods
Reviewed-by: minqi, sspitsyn, coleenp

8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
Summary: Remove unnecessary volatile keyword on stack locals within instanceKlass.cpp to work around Solaris Studio C++ compiler issue
Reviewed-by: coleenp, dcubed
Contributed-by: lois.foltan@oracle.com

8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
Reviewed-by: coleenp, bharadwaj, minqi

7195622: CheckUnhandledOops has limited usefulness now
Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com

Merge

8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
Summary: Need to refetch each method from InstanceKlass after all safepoints. Removed leaky PreviousVersionInfo code.
Reviewed-by: dcubed, sspitsyn

8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
Summary: Enhance method resolution and resulting data structures, plus some refactoring.
Reviewed-by: twisti, acorn, jrose

8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
Summary: Change InstanceKlass::_source_file_name and _generic_signature to u2 fields.
Reviewed-by: coleenp, iklam

8020309: Eliminate InstanceKlass::_cached_class_file_len.
Summary: Use JvmtiCachedClassFileData.
Reviewed-by: iklam, sspitsyn, dcubed

7133260: AllocationProfiler uses space in metadata and doesn't seem to do anything useful.
Summary: Remove -Xaprof and Klass::_alloc_count & ArrayKlass::_alloc_size.
Reviewed-by: stefank, coleenp

8016325: JVM hangs verifying system dictionary
Summary: Minimize redundant verifications of Klasses.
Reviewed-by: hseigel, jmasa

8013945: CMS fatal error: must own lock MemberNameTable_lock
Summary: The "delete mnt" needs to grab MemberNameTable_lock if !SafepointSynchronize::is_at_safepoint()
Reviewed-by: sla, mgerdin, dholmes, jmasa
Contributed-by: serguei.spitsyn@oracle.com

8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
Summary: The fix of perf regression is to use method_idnum() for direct indexing into NMT
Reviewed-by: twisti, kvn, coleenp, dholmes
Contributed-by: serguei.spitsyn@oracle.com

8003421: NPG: Move oops out of InstanceKlass into mirror
Summary: Inject protection_domain, signers, init_lock into java_lang_Class
Reviewed-by: stefank, dholmes, sla

8003557: NPG: Klass* const k should be const Klass* k.
Summary: With NPG, const KlassOop klass which is in fact a definition converted to Klass* const, which is not the original intention. The right usage is converting them to const Klass*.
Reviewed-by: coleenp, kvn
Contributed-by: yumin.qi@oracle.com

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

8011803: release_C_heap_structures is never called for anonymous classes.
Summary: Call this function from the ClassLoaderData destructor instead of the system dictionary walk.
Reviewed-by: stefank, mgerdin

8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
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

Merge

8010943: guarantee(length == 0) failed: invalid method ordering length
Summary: Add DumpSharedSpaces to IF condition to handle verify during -Xshare:dump.
Reviewed-by: coleenp, zgu

7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>

8003419: NPG: Clean up metadata created during class loading if failure
Summary: Store metadata on ClassFileParser instance to be cleaned up by destructor. This enabled some refactoring of the enormous parseClassFile function.
Reviewed-by: jmasa, acorn

Merge

8003553: NPG: metaspace objects should be zeroed in constructors
Summary: Zero metadata in constructors, not in allocation (and some in constructors)
Reviewed-by: jmasa, sspitsyn

8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
Summary: fix null pointer
Reviewed-by: kvn, coleenp

8007320: NPG: move method annotations
Summary: allocate method annotations and attach to ConstMethod if present
Reviewed-by: dcubed, jiangli, sspitsyn, iklam

Merge

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

6479360: PrintClassHistogram improvements
Summary: jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)
Reviewed-by: coleenp, hseigel, sla, acorn
Contributed-by: ioi.lam@oracle.com

8005590: java_lang_Class injected field resolved_constructor appears unused
Reviewed-by: coleenp, dholmes

Merge

8005048: NMT: #loaded classes needs to just show the # defined classes
Summary: Count number of instance classes so that it matches class metadata size
Reviewed-by: coleenp, acorn

8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
Summary: Relocate functions with jsr's when rewriting so not repeated after reading shared archive
Reviewed-by: twisti, jrose

8004823: Add VM support for type annotation reflection
Reviewed-by: dholmes, coleenp
Contributed-by: joel.franck@oracle.com

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

Merge

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

6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com

7200776: Implement default methods in interfaces
Summary: Add generic type analysis and default method selection algorithms
Reviewed-by: coleenp, acorn

8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn

7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
Summary: Simple renaming to be consistent with instanceKlass->InstanceKlass renaming
Reviewed-by: stefank, jmasa

7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
Summary: Need to restore the vtable in metadata when we restore the type from the shared archive.
Reviewed-by: acorn, jcoomes, jmasa, jrose

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>

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@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

7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
Summary: Change the _host_klass to be conditionally created embedded instanceKlass field.
Reviewed-by: jrose, coleenp, dholmes

7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
Summary: Change implementor to embedded instanceKlass field.
Reviewed-by: sspitsyn, minqi, coleenp

Merge

7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
Summary: Fold instanceKlass::_enclosing_method_class_index and instanceKlass::_enclosing_method_method_index into the instanceKlass::_inner_classes array.
Reviewed-by: never, coleenp
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com

7117052: instanceKlass::_init_state can be u1 type
Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

7098194: integrate macosx-port changes
Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: Christos Zoulas <christos@zoulas.com>, Greg Lewis <glewis@eyesbeyond.com>, Kurt Miller <kurt@intricatesoftware.com>, Alexander Strange <astrange@apple.com>, Mike Swingler <swingler@apple.com>, Roger Hoover <rhoover@apple.com>, Victor Hernandez <vhernandez@apple.com>, Pratik Solanki <psolanki@apple.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>

7088955: add C2 IR support to the SA
Reviewed-by: kvn

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

7071653: JSR 292: call site change notification should be pushed not pulled
Reviewed-by: kvn, never, bdelsart

7033141: assert(has_cp_cache(i)) failed: oob
Summary: Unrewrite bytecodes for OOM error allocating the constant pool cache.
Reviewed-by: dcubed, acorn, never

7032306: Fastdebug build failure on Solaris with SS11 compilers
Reviewed-by: kvn, iveresov

7017732: move static fields into Class to prepare for perm gen removal
Reviewed-by: kvn, coleenp, twisti, stefank

7012648: move JSR 292 to package java.lang.invoke and adjust names
Summary: package and class renaming only; delete unused methods and classes
Reviewed-by: twisti

6845426: non-static <clinit> method with no args is called during the class initialization process
Summary: Only call <clinit> with ACC_STATIC for classfiles with version > 50
Reviewed-by: acorn, dholmes, coleenp

7014851: Remove unused parallel compaction code
Summary: Removed.
Reviewed-by: jcoomes, brutisso

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

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

6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

6980262: Memory leak when exception is thrown in static initializer
Summary: Use resource memory instead of c-heap for the exception message
Reviewed-by: phh, jmasa

6962589: remove breadth first scanning code from parallel gc
Summary: Remove the breadth-first copying order from ParallelScavenge and use depth-first by default.
Reviewed-by: jcoomes, ysr, johnc

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

6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed

6935224: Adding new DTrace probes to work with Palantir
Summary: Adding probes related to thread scheduling and class initialization
Reviewed-by: kamg, never

6912062: disassembler plugin needs to produce symbolic information in product mode
Summary: More informative disassembly in product mode. Also, a more consistent CompileCommand syntax.
Reviewed-by: never

Merge

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

6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build
Reviewed-by: dholmes, acorn, jrose

6815692: method handle code needs some cleanup (post-6655638)
Summary: correctly raise exceptions, support safe bitwise "raw" conversions, fix bugs revealed by VerifyMethodHandles, remove dead code, improve debugging support
Reviewed-by: never, twisti

Merge

Merge

6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr

6419370: 4/4 new jmethodID code has tiny holes in synchronization
Summary: Fix races in jmethodID cache and JNI itable index cache.
Reviewed-by: ikrylov, acorn

Merge

6830542: Performance: JVM_DefineClass already verified.
Reviewed-by: kamg, phh

Merge

Merge

6875393: 2/3 JNI itable index cache is broken
Summary: Add missing initialization of cache size.
Reviewed-by: tbell

6845368: large objects cause a crash or unexpected exception
Reviewed-by: jmasa, iveresov

6861660: OopMapBlock count/size confusion
Reviewed-by: tonyp, iveresov

6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit
Summary: call report_java_out_of_memory("Requested array size exceeds VM limit")
Reviewed-by: tbell, dholmes, alanb, ysr
Contributed-by: jeremymanson@google.com

6857194: Add hotspot perf counters to aid class loading performance measurement
Summary: Add new jvmstat counters to measure detailed class loading time
Reviewed-by: acorn, kamg

Merge

6814659: separable cleanups and subroutines for 6655638
Summary: preparatory but separable changes for method handles
Reviewed-by: kvn, never

4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
Reviewed-by: kamg, coleenp

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

Merge

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

Merge

6453355: 4/4 new No_Safepoint_Verifier uses fail during GC
Summary: (for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI
Reviewed-by: dcubed

6497639: 4/3 Profiling Swing application caused JVM crash
Summary: Make RedefineClasses() interoperate better with class sharing.
Reviewed-by: sspitsyn, jmasa

6667620: (Escape Analysis) fix deoptimization for scalar replaced objects
Summary: Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed.
Reviewed-by: rasbold, never

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