869 Commits

Author SHA1 Message Date
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