8166583: Add oopDesc::klass_or_null_acquire()
Summary: Added new function.
Reviewed-by: dholmes, tschatzl

8165808: Add release barriers when allocating objects with concurrent collection
Summary: Add release_set_klass, use in slow-path allocators.
Reviewed-by: jmasa, dholmes

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

8158946: btree009 fails with assert(s > 0) failed: Bad size calculated
Summary: Set oop_size before setting _klass
Reviewed-by: coleenp, dholmes, kbarrett, tschatzl

8132051: Better byte behavior
Reviewed-by: bdelsart, roland, kvn, jrose, ahgross
Contributed-by: coleen.phillimore@oracle.com, roland.westerlin@oracle.com, vladimir.kozlov@oracle.com, john.r.rose@oracle.com

8149973: Optimize object alignment check in debug builds.
Reviewed-by: coleenp, tschatzl

8146987: Improve Parallel GC Full GC by caching results of live_words_in_range()
Summary: A large part of time in the parallel scavenge collector is spent finding out the amount of live words within memory ranges to find out where to move an object to. Try to incrementally calculate this value.
Reviewed-by: tschatzl, mgerdin, jmasa
Contributed-by: ray alex <sky1young@gmail.com>

8146395: Add inline qualifier in oop.hpp and fix inlining in gc files
Summary: Fix remaining issues after 8146401. Also fix windows VS2010 linkage problem (g1OopClosures.hpp).
Reviewed-by: stefank, mgerdin

8146401: Clean up oop.hpp: add inline directives and fix header files
Reviewed-by: coleenp

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

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

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

8129417: Oop iteration clean-up to remove oop_ms_follow_contents
Reviewed-by: pliden, ehelin

8131761: Fix merge error adding code that was removed in 8077936
Reviewed-by: tschatzl

8080746: Refactor oop iteration macros to be more general
Reviewed-by: stefank, pliden

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

Merge

8077936: Remove the unused java_lang_invoke_CallSite::target_volatile
Reviewed-by: vlivanov, jrose

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

8075249: Cleanup forward_to_atomic and ClaimedForwardPtr
Reviewed-by: kbarrett, brutisso

8075242: Remove SpecializationStats
Reviewed-by: brutisso, mgerdin

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

8065972: Remove support for ParNew+SerialOld and DefNew+CMS
Reviewed-by: mgerdin, stefank

8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Summary: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Reviewed-by: lfoltan, coleenp, dholmes

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

8035746: Add missing Klass::oop_is_instanceClassLoader() function
Reviewed-by: mgerdin, coleenp

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

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

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank

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

8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops
Summary: Pick a base that works for both CompressedOpps alignment and CompressedKlassPtrs alignment.
Reviewed-by: kvn, roland

7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti

8000351: Tenuring threshold should be unsigned
Summary: Change the flags and variables related to tenuring threshold to be unsigned
Reviewed-by: jmasa, johnc

7195968: NPG: oopDesc::list_ptr_from_klass is broken
Summary: Remove incorrect cast
Reviewed-by: brutisso, coleenp

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>

7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
Reviewed-by: jrose, never

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

7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart

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

6829194: JSR 292 needs to support compressed oops
Reviewed-by: kvn, jrose

Merge

6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
Summary: Added new product ObjectAlignmentInBytes flag to control object alignment.
Reviewed-by: twisti, ysr, iveresov

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

6700789: G1: Enable use of compressed oops with G1 heaps
Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp

6655638: dynamic languages need method handles
Summary: initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never

Merge

6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, dcubed

6774607: SIGSEGV or (!is_null(v),"oop value can never be zero") assertion when running with CMS and COOPs
Summary: Use the more permissive set_klass_or_null() and klass_or_null() interfaces in ParNew's workqueue overflow code that manipulates the klass-word.
Reviewed-by: coleenp

Merge

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

6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
Summary: decouple set_klass() with zeroing the gap when compressed.
Reviewed-by: kvn, ysr, jrose

6689523: max heap calculation for compressed oops is off by MaxPermSize
Summary: Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on.
Reviewed-by: jmasa, jcoomes, kvn

6693457: Open-source hotspot linux-sparc support
Summary: Move os_cpu/linux_sparc from closed to open
Reviewed-by: kamg

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

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