8186842: Use Java class loaders for creating the CDS archive
Reviewed-by: coleenp, jiangli, iklam, mseledtsov
Contributed-by: calvin.cheung@oracle.com, ioi.lam@oracle.com

8186706: ArchivedObjectCache obj_hash() is broken.
Summary: Use oop's identity_hash. Also use larger table size.
Reviewed-by: ccheung, iklam, coleenp

8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
8185924: G1NoteEndOfConcMarkClosure::doHeapRegion() does not do remembered set cleanup work for archive region.
Summary: Shared class' constant pool resolved_references array is cached.
Reviewed-by: coleenp, iklam, tschatzl
Contributed-by: jiangli.zhou@oracle.com, thomas.schatzl@oracle.com

8072061: Automatically determine optimal sizes for the CDS regions
Summary: See new C++ class MetaspaceClosure.
Reviewed-by: coleenp, jiangli, mseledtsov

8184994: Add Dictionary size logging and jcmd
Summary: added dcmd for printing system dictionary like the stringtable and symboltable and making print functions go to outputstream rather than tty
Reviewed-by: shade, hseigel

8183552: Move align functions to align.hpp
Reviewed-by: stuefe, pliden

8178499: Remove _ptr_ and _size_ infixes from align functions
Reviewed-by: rehn, tschatzl

8178489: Make align functions more type safe and consistent
Reviewed-by: mgerdin, rehn

8183001: Various inlining improvements
Reviewed-by: iklam, mikael, ehelin, stefank

8181449: Fix debug.hpp / globalDefinitions.hpp dependency inversion
Summary: Refactor debug.hpp and reverse include dependency.
Reviewed-by: coleenp, stefank, dcubed

8176132: -XX:+PrintSharedSpaces should be converted to use Unified Logging.
Summary: Converted -XX:+PrintSharedSpaces to -Xlog:cds=info
Reviewed-by: iklam, jiangli, mseledtsov

8180325: Use ClassLoaderData::classes_do for CDS classes
Summary: Use closures and ClassLoaderData::classes_do instead of SystemDictionary::classes_do
Reviewed-by: iklam, jiangli

8176863: Remove Hashtable::reverse()
Reviewed-by: hseigel, sspitsyn, coleenp

8005165: Remove CPU-dependent code in self-patching vtables
Reviewed-by: coleenp, stuefe, jiangli

8171809: Remove unused CDS code from JDK 9
Reviewed-by: jiangli, ccheung, mseledtsov

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

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

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

8157189: 'iload_w' in shared class is not interpreted correctly.
Summary: Don't rewrite 'iload_w' to 'nofast_iload' in shared class.
Reviewed-by: ccheung, hseigel

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

8150607: Clean up CompactHashtable
Summary: refactored code, and added test cases for serviceability agent
Reviewed-by: jiangli, ccheung

8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
Summary: This optimization reduces the size of the RW region of the CDS archive. It also reduces the amount of pages in the RW region that are actually written into during runtime.
Reviewed-by: dlong, iklam, jiangli
Contributed-by: ioi.lam@oracle.com, calvin.cheung@oracle.com, goetz.lindenmaier@sap.com

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

Merge

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

8149995: TraceClassLoadingPreorder has been converted to Unified Logging.
Summary: TraceClassLoadingPreorder has been converted to Unified Logging. Logging alias table now has extra columns to support multi-tag configurations.
Reviewed-by: iklam, coleenp

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

8148630: Convert TraceStartupTime to Unified Logging
Summary: The former -XX:+TraceStartupTime flag has been converted to the UL option -Xlog:startuptime=info
Reviewed-by: coleenp, dholmes

8145593: Clean up metaspaceShared.cpp
Reviewed-by: jiangli

8140802: Clean up and refactor of class loading code for CDS
Reviewed-by: jiangli, acorn, 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

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

8098821: Crash in system dictionary initialization with shared strings
Summary: map string regions after the compressed class base is known
Reviewed-by: iklam, dcubed
Contributed-by: coleen.phillimore@oracle.com, mikhailo.seledtsov@oracle.com

8015086: add interned strings to the shared archive.
Summary: Support saving interned strings in shared CDS archive.
Reviewed-by: coleenp, iklam, pliden

Merge

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

8075288: malloc without free in VM_PopulateDumpSharedSpace::doit()
Reviewed-by: dholmes, stuefe
Contributed-by: Jungwoo Ha <jwha@google.com>

Merge

8074345: Enable RewriteBytecodes when VM runs with CDS
Summary: Enable bytecode rewriting when CDS turned on.
Reviewed-by: coleenp, iklam
Contributed-by: yumin.qi@oracle.com, ioi.lam@oracle.com

8074459: Flags handling memory sizes should be of type size_t
Summary: Changed the type to size_t for flags that handles memory sizes
Reviewed-by: kbarrett, tschatzl

8059510: Compact symbol table layout inside shared archive.
Summary: Use separate compact table for shared symbols.
Reviewed-by: iklam, gziemski, shade, sla, jrose

8066670: PrintSharedArchiveAndExit does not exit the VM when the archive is invalid
Summary: in FileMapInfo::fail_continue do not set UseSharedSpaces = false
Reviewed-by: dholmes, ccheung

Merge

8064375: Change certain errors to warnings in CDS output.
Summary: Change CDS non-fatal preloading errors to warnings.
Reviewed-by: minqi, mseledtsov, coleenp

8060721: Test runtime/SharedArchiveFile/LimitSharedSizes.java fails in jdk 9 fcs new platforms/compiler
Summary: replaced strcat() with jio_snprintf()
Reviewed-by: dholmes, iklam, dlong, minqi

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

8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

8048150: Allow easy configurations for large CDS archives
Summary: Estimate the size of shared archive based on the number of classes in the classlist file
Reviewed-by: iklam, jiangli, minqi, dholmes

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

8048241: Introduce umbrella header os.inline.hpp and clean up includes
Reviewed-by: coleenp, dholmes, lfoltan

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

8028498: runtime/SharedArchiveFile/CdsDifferentObjectAlignment.java asserts in RT_Baseline
Summary: Preventing GCs to occur before VM is completely initialized. This was previously partly done by one part of the GC locker which not was removed.
Reviewed-by: coleenp, pliden

8025856: Fix typos in the GC code
Summary: Fix about 440 typos in comments in the VM code
Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes

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

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

8016075: Win32 crash with CDS enabled and small heap size
Summary: Fixed MetaspaceShared::is_in_shared_space
Reviewed-by: coleenp, hseigel

8014912: Restore PrintSharedSpaces functionality after NPG
Summary: Added dumping of object sizes in CDS archive, sorted by MetaspaceObj::Type
Reviewed-by: coleenp, acorn

8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions
Reviewed-by: mgerdin, coleenp

8005467: CDS size information is incorrect and unfriendly
Summary: Changed words to bytes, and added usage percentage information
Reviewed-by: coleenp, twisti
Contributed-by: ioi.lam@oracle.com

8003705: CDS failed on Windows: can not map in the CDS.
Summary: Map memory only once to prevent 'already mapped' failures.
Reviewed-by: acorn, zgu

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

7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp

7189254: Change makefiles for more flexibility to override defaults
Summary: Change makefiles so that targets and parameters can be overridden by alternate makefiles.
Reviewed-by: dholmes, coleenp

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>