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110 Commits

Author SHA1 Message Date
Stefan Karlsson
1b001a2afd 8049421: G1 Class Unloading after completing a concurrent mark cycle 
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
 2014-07-07 10:12:40 +02:00
Stefan Karlsson
ef1e9b3c80 8049420: Backout 8048248 to correct attribution 
Reviewed-by: ehelin, brutisso
 2014-07-07 12:37:11 +02:00
Stefan Karlsson
8c3aced316 8048248: G1 Class Unloading after completing a concurrent mark cycle 
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
 2014-07-07 10:12:40 +02:00
Goetz Lindenmaier
8e7c8f1d88 8044775: Improve usage of umbrella header atomic.inline.hpp 
Reviewed-by: stefank, kvn
 2014-06-04 11:56:44 +02:00
Dmitry Samersoff
c291efb1df 6904403: assert(f == k-&gt;has_finalizer(),&quot;inconsistent has_finalizer&quot;) with debug VM 
Don't assert if one of classes in hierarhy was redefined

Reviewed-by: coleenp, sspitsyn
 2014-05-28 07:36:32 -07:00
Lois Foltan
8c36d0cd2b 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults 
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
 2014-04-14 14:27:45 -04:00
Coleen Phillimore
c8990959f2 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool) 
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
 2014-04-08 13:58:38 -04:00
Coleen Phillimore
472622d900 8031820: NPG: Fix remaining references to metadata as oops in comments 
8012125: Comments for ConstantPoolCache should reflect the addition of resolved_references in ConstantPool

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
 2014-03-26 21:47:45 -04:00
Roland Westrelin
493557fc90 8031752: Failed speculative optimizations should be reattempted when root of compilation is different 
Support for speculative traps that keep track of the root of the compilation in which a trap occurs.

Reviewed-by: kvn, twisti
 2014-02-25 18:16:24 +01:00
Coleen Phillimore
4ab0b2732c 8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on 
Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.

Reviewed-by: dcubed, acorn
 2014-02-15 13:03:38 -05:00
Yumin Qi
a90e842e0c 8033792: AltHashing used jint for imprecise bit shifting 
AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix  by change _seed defined as juint.

Reviewed-by: coleenp, ccheung
 2014-02-10 21:29:14 -08:00
Harold Seigel
4856bd53aa 8027804: JCK resolveMethod test fails expecting AbstractMethodError 
Create AME overpass methods and fix method search logic

Reviewed-by: kamg, acorn, lfoltan, coleenp
 2013-12-16 08:24:33 -05:00
Karen Kinnear
536943884a 8028438: static superclass method masks default methods 
Reviewed-by: hseigel, lfoltan, coleenp
 2013-12-03 11:13:14 -08:00
Lois Foltan
28557bc30e 8026065: InterfaceMethodref for invokespecial must name a direct superinterface 
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
 2013-11-26 09:52:22 -05:00
Ioi Lam
0e4eda601c 8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread 
Revert changes in JDK-8008962

Reviewed-by: coleenp, sspitsyn
 2013-10-22 14:29:02 -07:00
Karen Kinnear
088ded71f9 8009130: Lambda: Fix access controls, loader constraints 
New default methods list with inherited superinterface methods

Reviewed-by: minqi, sspitsyn, coleenp
 2013-10-07 12:20:28 -04:00
Lois Foltan
e2466c1507 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries 
Remove unnecessary volatile keyword on stack locals within instanceKlass.cpp to work around Solaris Studio C++ compiler issue

Reviewed-by: coleenp, dcubed
 2013-10-03 18:50:58 -04:00
Daniel D. Daugherty
156b06d897 Merge 2013-09-20 12:58:35 -07:00
Coleen Phillimore
ec5e07f810 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously 
Need to refetch each method from InstanceKlass after all safepoints.  Removed leaky PreviousVersionInfo code.

Reviewed-by: dcubed, sspitsyn
 2013-09-20 09:30:02 -04:00
David Chase
222c735458 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation 
Enhance method resolution and resulting data structures, plus some refactoring.

Reviewed-by: twisti, acorn, jrose
 2013-09-13 22:38:02 -04:00
Jiangli Zhou
553b498f51 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes 
Change InstanceKlass::_source_file_name and _generic_signature to u2 fields.

Reviewed-by: coleenp, iklam
 2013-08-19 14:59:54 -04:00
Jiangli Zhou
3dfcb4125e 8020309: Eliminate InstanceKlass::_cached_class_file_len 
Use JvmtiCachedClassFileData.

Reviewed-by: iklam, sspitsyn, dcubed
 2013-07-17 18:06:29 -04:00
Jiangli Zhou
b454ece6d7 7133260: AllocationProfiler uses space in metadata and doesn't seem to do anything useful 
Remove -Xaprof and Klass::_alloc_count & ArrayKlass::_alloc_size.

Reviewed-by: stefank, coleenp
 2013-07-03 17:26:59 -04:00
Coleen Phillimore
39a1c1d6c2 8016325: JVM hangs verifying system dictionary 
Minimize redundant verifications of Klasses.

Reviewed-by: hseigel, jmasa
 2013-06-24 18:55:46 -04:00
Staffan Larsen
718f3252f6 8005849: JEP 167: Event-Based JVM Tracing 
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
 2013-06-10 11:30:51 +02:00
Serguei Spitsyn
b2e43ed612 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes 
The fix of perf regression is to use method_idnum() for direct indexing into NMT

Reviewed-by: twisti, kvn, coleenp, dholmes
 2013-05-23 23:04:33 -07:00
Coleen Phillimore
6ed8c8fcea 8003421: NPG: Move oops out of InstanceKlass into mirror 
Inject protection_domain, signers, init_lock into java_lang_Class

Reviewed-by: stefank, dholmes, sla
 2013-05-22 14:37:49 -04:00
Yumin Qi
c6aa9c656f 8003557: NPG: Klass* const k should be const Klass* k 
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
 2013-05-10 08:27:30 -07:00
Ioi Lam
4e19360f89 8008962: NPG: Memory regression: One extra Monitor per ConstantPool 
Re-use InstanceKlass::_init_lock locking ConstantPool as well.

Reviewed-by: dholmes, coleenp, acorn
 2013-04-25 12:55:49 -07:00
Coleen Phillimore
cd7d504d54 8011803: release_C_heap_structures is never called for anonymous classes 
Call this function from the ClassLoaderData destructor instead of the system dictionary walk.

Reviewed-by: stefank, mgerdin
 2013-04-24 16:19:35 -04:00
Serguei Spitsyn
87f3086e13 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition 
Lazily create and maintain the MemberNameTable to be able to update MemberName's

Reviewed-by: coleenp, jrose, dholmes
 2013-04-20 04:07:08 -07:00
Coleen Phillimore
c5867cb71b 8003419: NPG: Clean up metadata created during class loading if failure 
Store metadata on ClassFileParser instance to be cleaned up by destructor.  This enabled some refactoring of the enormous parseClassFile function.

Reviewed-by: jmasa, acorn
 2013-03-13 17:34:29 -04:00
Daniel D. Daugherty
fc336457e7 Merge 2013-03-08 17:49:52 -08:00
Coleen Phillimore
addd95f165 8003553: NPG: metaspace objects should be zeroed in constructors 
Zero metadata in constructors, not in allocation (and some in constructors)

Reviewed-by: jmasa, sspitsyn
 2013-03-08 11:47:57 -05:00
Morris Meyer
15108cd14e 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp 
Fix null pointer

Reviewed-by: kvn, coleenp
 2013-03-05 18:03:36 -08:00
Coleen Phillimore
faea95b8d3 8007320: NPG: move method annotations 
Allocate method annotations and attach to ConstMethod if present

Reviewed-by: dcubed, jiangli, sspitsyn, iklam
 2013-02-11 14:06:22 -05:00
Bill Pittore
9cad40fca6 Merge 2013-02-07 16:05:48 -05:00
Jiangli Zhou
7cadb57785 Merge 2013-02-01 15:25:37 -05:00
Ioi Lam
93b845e21b 6479360: PrintClassHistogram improvements 
Jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)

Reviewed-by: coleenp, hseigel, sla, acorn
 2013-01-25 15:06:18 -05:00
Ioi Lam
27c881b2fb 8006280: Need to reorder metadata structures to reduce size (64-bit) 
Reordered Klass, InstanceKlass and Method to save 8 bytes each

Reviewed-by: coleenp, jiangli
 2013-01-24 10:57:38 -08:00
Joseph Provino
698fba94ef 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS 
Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.

Reviewed-by: coleenp, stefank
 2013-01-23 13:02:39 -05:00
Dean Long
6e8916cdbb Merge 2013-01-17 01:27:02 -05:00
Aleksey Shipilev
0614ed6542 8003985: Support @Contended Annotation - JEP 142 
HotSpot changes to support @Contended annotation.

Reviewed-by: coleenp, kvn, jrose
 2013-01-14 15:17:47 +01:00
Jiangli Zhou
2cbabcea4a 8005895: Inefficient InstanceKlass field packing wasts memory 
Pack _misc_has_default_methods into the _misc_flags, move _idnum_allocated_count.

Reviewed-by: coleenp, shade
 2013-01-11 16:55:07 -05:00
Zhengyu Gu
db4cfa5011 Merge 2013-01-08 11:39:53 -08:00
Zhengyu Gu
5c6318e816 8005048: NMT: #loaded classes needs to just show the # defined classes 
Count number of instance classes so that it matches class metadata size

Reviewed-by: coleenp, acorn
 2013-01-08 14:04:25 -05:00
Coleen Phillimore
64499d9494 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs 
Relocate functions with jsr's when rewriting so not repeated after reading shared archive

Reviewed-by: twisti, jrose
 2013-01-02 20:28:09 -05:00
Joel Borggren-Franck
6ed6cb5375 8004823: Add VM support for type annotation reflection 
Reviewed-by: dholmes, coleenp
 2012-12-20 10:22:19 +01:00
Coleen Phillimore
54bbf614e8 8004883: NPG: clean up anonymous class fix 
Add klass_holder() to return either mirror or class_loader depending on if the class is anonymous or not.

Reviewed-by: stefank, jrose
 2012-12-12 11:39:29 -05:00
Yumin Qi
f712e12f98 6830717: replay of compilations would help with debugging 
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
 2012-11-12 14:03:53 -08:00