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843 Commits

Author SHA1 Message Date
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
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Y. Srinivas Ramakrishna
74ee57a572 Merge 2008-07-01 11:59:44 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
John Coomes
762f7c8f2b Merge 2008-06-10 11:14:27 -07:00
Coleen Phillimore
a2d6036a4d 6687581: Make CMS work with compressed oops 
Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.

Reviewed-by: ysr, jmasa
 2008-06-09 11:51:19 -04:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00
Jon Masamitsu
39463bb3fc 6629727: assertion in set_trap_state() in methodDataOop.hpp is too strong 
The assertion can failure due to race conditions.

Reviewed-by: never
 2008-06-04 13:51:09 -07:00
Coleen Phillimore
646ceb4a45 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC 
Decouple set_klass() with zeroing the gap when compressed.

Reviewed-by: kvn, ysr, jrose
 2008-05-28 21:06:24 -07:00
Vladimir Kozlov
e53e767d88 6703888: Compressed Oops: use the 32-bits gap after klass in a object 
Use the gap also for a narrow oop field and a boxing object value.

Reviewed-by: coleenp, never
 2008-05-21 16:31:35 -07:00
Coleen Phillimore
aee4bafd9b 6689523: max heap calculation for compressed oops is off by MaxPermSize 
Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on.

Reviewed-by: jmasa, jcoomes, kvn
 2008-04-29 19:31:29 -04:00
Paul Hohensee
81c6ccf729 6693457: Open-source hotspot linux-sparc support 
Move os_cpu/linux_sparc from closed to open

Reviewed-by: kamg
 2008-04-24 15:07:57 -04:00
Keith McGuigan
f072bc9d3f 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes 
Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
 2008-04-17 22:18:15 -04:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
 2008-04-13 17:43:42 -04:00
Chuck Rasbold
21dbe47a30 6624474: Server compiler generates unexpected LinkageError 
Fix load_signature_classes to tolerate LinkageErrors

Reviewed-by: kvn, never
 2008-04-03 13:33:13 -07:00
Vladimir Kozlov
2ea233816f 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments 
BcEscapeAnalyzer does not analyze methods with no oop arguments.

Reviewed-by: rasbold
 2008-03-28 11:52:29 -07:00
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Daniel D. Daugherty
454bce8993 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC 
(for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI

Reviewed-by: dcubed
 2008-03-12 18:09:34 -07:00
Daniel D. Daugherty
f813016add 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure 
Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup()

Reviewed-by: coleenp, sspitsyn, jmasa
 2008-03-12 18:07:46 -07:00
Daniel D. Daugherty
0f1d30354a 6497639: 4/3 Profiling Swing application caused JVM crash 
Make RedefineClasses() interoperate better with class sharing.

Reviewed-by: sspitsyn, jmasa
 2008-03-12 18:06:50 -07:00
Vladimir Kozlov
b64d5e4209 6667615: (Escape Analysis) extend MDO to cache arguments escape state 
Use MDO to cache arguments escape state determined by the byte code escape analyzer.

Reviewed-by: never
 2008-03-11 19:00:38 -07:00
Vladimir Kozlov
96e8bcb6aa 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects 
Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed.

Reviewed-by: rasbold, never
 2008-03-11 11:25:13 -07:00
Vladimir Kozlov
9f1a8ede80 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM 
T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.

Reviewed-by: jrose
 2008-02-25 15:05:44 -08:00
Daniel D. Daugherty
5fa349cc42 6664627: Merge changes made only in hotspot 11 forward to jdk 7 
Reviewed-by: jcoomes
 2007-12-05 09:00:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00