227 Commits

Author SHA1 Message Date
Daniel D. Daugherty
2a4f284029 6419370: 4/4 new jmethodID code has tiny holes in synchronization
Fix races in jmethodID cache and JNI itable index cache.

Reviewed-by: ikrylov, acorn
2009-09-21 09:30:24 -06:00
Karen Kinnear
9ed976194b 6879572: SA fails _is_marked_dependent not found
Reviewed-by: kamg, dcubed
2009-09-16 15:42:46 -04:00
Karen Kinnear
27286386e9 Merge 2009-09-16 09:10:57 -04:00
John R Rose
e261aecad8 6863023: need non-perm oops in code cache for JSR 292
Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
2009-09-15 21:53:47 -07:00
Karen Kinnear
ab1485b385 Merge 2009-09-10 09:04:41 -04:00
Karen Kinnear
488e99efd8 6830542: Performance: JVM_DefineClass already verified
Reviewed-by: kamg, phh
2009-09-04 12:53:02 -04:00
Daniel D. Daugherty
2357edfa00 Merge 2009-08-28 12:32:06 -06:00
Daniel D. Daugherty
779247f1cb 6875393: 2/3 JNI itable index cache is broken
Add missing initialization of cache size.

Reviewed-by: tbell
2009-08-28 12:25:46 -06:00
Vladimir Kozlov
ab7a29cdcc Merge 2009-08-06 09:37:26 -07:00
Y. Srinivas Ramakrishna
c6763b5bad 4957990: Perm heap bloat in JVM
Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.

Reviewed-by: jcoomes, jmasa, kvn, never
2009-09-02 00:04:29 -07:00
John Coomes
e7c70c499b 6845368: large objects cause a crash or unexpected exception
Reviewed-by: jmasa, iveresov
2009-08-13 16:22:45 -07:00
John Coomes
662adda5e6 6861660: OopMapBlock count/size confusion
Reviewed-by: tonyp, iveresov
2009-08-11 15:37:23 -07:00
Coleen Phillimore
76a4e2a8c1 Merge 2009-07-30 15:06:19 -04:00
Erik Trimble
e846382e12 Merge 2009-07-29 16:00:35 -07:00
Xiomara Jayasena
a63ef10004 6862919: Update copyright year
Update copyright for files that have been modified in 2009, up to 07/09

Reviewed-by: tbell, ohair
2009-07-28 12:12:40 -07:00
Coleen Phillimore
3e69a71772 Merge 2009-07-27 17:23:52 -04:00
Christian Thalinger
714db48492 Merge 2009-07-27 06:15:29 -07:00
Vladimir Kozlov
1a7cfb7023 Merge 2009-07-24 09:01:00 -07:00
John R Rose
6515225d49 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
Remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them

Reviewed-by: kvn
2009-07-21 16:56:06 -07:00
Christian Thalinger
6b849a12a0 6860920: serialize.cpp shouldn't use objArrayOopDesc::base_offset_in_bytes(T_BYTE)
Serialize.cpp currently uses objArrayOopDesc::base_offset_in_bytes(T_BYTE), which seems to be wrong.

Reviewed-by: coleenp, kvn
2009-07-20 08:20:00 -07:00
Y. Srinivas Ramakrishna
075c1335cb 6700789: G1: Enable use of compressed oops with G1 heaps
Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
2009-07-14 15:40:39 -07:00
Jeremy Manson
28d4ad46aa 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit
Call report_java_out_of_memory("Requested array size exceeds VM limit")

Reviewed-by: tbell, dholmes, alanb, ysr
2009-06-29 14:42:12 -07:00
Mandy Chung
08f5aeffc1 6857194: Add hotspot perf counters to aid class loading performance measurement
Add new jvmstat counters to measure detailed class loading time

Reviewed-by: acorn, kamg
2009-07-10 11:10:00 -07:00
Tomas Hurka
6ee565c7b8 6839599: JVM crash while profiling Tomcat and Liferay
ConstantPoolOopDesc::copy_cpool_bytes() - do the brute-force search search through 'tbl' when SymbolTable::lookup_only() returns NULL

Reviewed-by: kamg
2009-05-20 09:36:53 +02:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
2009-04-21 23:21:04 -07:00
John R Rose
ce0c084720 6655638: dynamic languages need method handles
Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
2009-04-08 10:56:49 -07:00
Vladimir Kozlov
aee9449305 Merge 2009-03-31 10:02:01 -07:00
Karen Kinnear
472349069b Merge 2009-03-23 10:42:20 -04:00
John R Rose
cfb08c72ba 6814659: separable cleanups and subroutines for 6655638
Preparatory but separable changes for method handles

Reviewed-by: kvn, never
2009-03-20 23:19:36 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Karen Kinnear
25de21d620 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242
Reviewed-by: kamg, coleenp
2009-03-18 17:20:57 -04:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base
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
2009-03-12 10:37:46 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
2009-03-09 13:28:46 -07:00
Karen Kinnear
a23cbf5b96 Merge 2009-03-05 22:07:29 -05:00
Daniel D. Daugherty
8aa430beb0 Merge 2009-03-02 14:43:36 -07:00
Daniel D. Daugherty
da3f81559f 6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.

Reviewed-by: acorn, swamyv
2009-03-02 14:03:03 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Jon Masamitsu
3b5d6a04dd 6690928: Use spinning in combination with yields for workstealing termination
Substitute a spin loop for most calls to yield() to reduce the stress on the system.

Reviewed-by: tonyp
2009-02-08 13:18:01 -08:00
Jon Masamitsu
39b23ff0a0 6792421: assert(_bitMap->isMarked(addr+size-1),inconsistent Printezis mark)
The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.

Reviewed-by: ysr, tonyp
2009-01-31 00:15:00 -08:00
John Coomes
2ba0d5b055 Merge 2009-01-14 14:12:55 -08:00
Jon Masamitsu
c2ff9781c7 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.

Reviewed-by: ysr, dcubed
2009-01-11 16:58:24 -08:00
Coleen Phillimore
76f79d82ad Merge 2009-01-09 14:39:07 -05:00
Xiaobin Lu
f05b009ce8 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2

Reviewed-by: jcoomes, acorn, phh, never
2008-12-24 19:13:53 -08:00
Erik Trimble
efd43c045a Merge 2008-12-20 09:57:03 -08:00
Xiomara Jayasena
99f0eac1a2 6785258: Update copyright year
Update copyright for files that have been modified starting July 2008 to Dec 2008

Reviewed-by: katleman, ohair, tbell
2008-12-15 16:55:11 -08:00
John Coomes
000b184507 6578152: fill_region_with_object has usability and safety issues
Reviewed-by: apetrusenko, ysr
2008-12-11 12:05:08 -08:00
Y. Srinivas Ramakrishna
6c53645a84 6774607: SIGSEGV or (!is_null(v),"oop value can never be zero") assertion when running with CMS and COOPs
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
2008-11-24 09:53:31 -08:00
John R Rose
849e0ffb04 6653858: dynamic languages need to be able to load anonymous classes
Low-level privileged sun.misc.Unsafe.defineAnonymousClass

Reviewed-by: kvn
2008-11-12 22:33:26 -08:00
Coleen Phillimore
d1aacc7cdf 6700107: java/lang/Class/forName/TooManyDimensions.java crashes with SIGSEGV in c2 compiler with fastdebug
ObjArrayKlass::compute_modifier_flags was unnecessarily recursive

Reviewed-by: kamg
2008-10-14 10:15:33 -04:00