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122 Commits

Author SHA1 Message Date
Kevin Walls
b6d2068ee2 6994753: Implement optional hook to a Java method at VM startup 
Reviewed-by: mchung, acorn
 2011-01-12 15:44:16 +00:00
Coleen Phillimore
dec384330b 6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places 
Enhance the error reporting mechanism to help user to fix the problem rather than making it look like a VM error.

Reviewed-by: kvn, kamg
 2011-01-03 14:09:11 -05:00
Igor Veresov
d59d7ffc4a 6985015: C1 needs to support compressed oops 
This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered.

Reviewed-by: twisti, kvn, never, phh
 2010-11-30 23:23:40 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot 
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
 2010-11-23 13:22:55 -08:00
Igor Veresov
15c6dde68a Merge 2010-11-19 17:01:34 -08:00
Vladimir Kozlov
d563b15558 6999491: non-zero COOPs are used when they should not 
HeapBaseMinAddress should be used only for a default heap size calculation.

Reviewed-by: iveresov, jcoomes, dholmes
 2010-11-12 09:51:43 -08:00
Zhengyu Gu
6fd53f05d1 Merge 2010-11-12 09:37:13 -05:00
Igor Veresov
0e15b9fce3 6998737: JSR 292: Remove the plug guarding the use of compressed oops 
The plug that guards the use of compressed oops with invokedynamic needs to be removed

Reviewed-by: twisti, kvn
 2010-11-09 15:12:15 -08:00
Keith McGuigan
d4ca94df32 6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0 
Change property value to 1.<major_version> for major_version >= 7

Reviewed-by: dholmes, acorn
 2010-11-05 09:32:08 -04:00
Igor Veresov
308952f81e 6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424 
Turn CDS off if compressed oops is on

Reviewed-by: ysr, kvn, jcoomes, phh
 2010-11-02 16:02:46 -07:00
John Coomes
f07d7731aa Merge 2010-11-01 10:49:14 -07:00
Y. Srinivas Ramakrishna
cbc7f8756a 6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data 
Deprecated HandlePromotionFailure, removing the ability to turn off that feature, did away with one epoch look-ahead when deciding if a scavenge is likely to fail, relying on current data.

Reviewed-by: jmasa, johnc, poonam
 2010-10-23 23:03:49 -07:00
Igor Veresov
6a17d9c416 6989669: Coops: -Xshare:dump causes crash 
Temporarily fix to disable compressed oops with CDS

Reviewed-by: dholmes, twisti, kvn, never
 2010-10-19 11:14:52 -07:00
Karen Kinnear
7d2a7e7452 Merge 2010-10-13 11:46:46 -04:00
Coleen Phillimore
39992cab03 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong 
Min_stack_allowed is a compile time constant and Stack*Pages are settable

Reviewed-by: dholmes, kvn
 2010-10-07 08:06:06 -07:00
Vladimir Kozlov
68f9001261 Merge 2010-10-06 14:18:32 -07:00
Vladimir Kozlov
c5191a8103 6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big 
Set upper limit 256 for ObjectAlignmentInBytes value.

Reviewed-by: never, iveresov
 2010-10-05 08:57:20 -07:00
Zhengyu Gu
afc563751f 6988363: Rebrand vm vendor property settings (jdk7 only) 
Vendor properties should be initialized after JDK version is determined.

Reviewed-by: kamg, ohair, dcubed, dholmes
 2010-09-30 12:05:08 -04:00
Keith McGuigan
9e9551fdd8 Merge 2010-09-22 12:54:51 -04:00
Zhengyu Gu
f9eb9cccb9 6981753: Rebrand vm vendor property settings 
Uses JDK_Version to determinate to set vm vendor to "Oracle Corporation" for JDK7 and later.

Reviewed-by: kamg, ohair, coleenp
 2010-09-17 09:45:32 -04:00
Vladimir Kozlov
5e98ce13ab Merge 2010-09-16 16:48:40 -07:00
Vladimir Kozlov
7df5e956d1 6984368: Large default heap size does not allow to use zero based compressed oops 
Take into account HeapBaseMinAddress and round down MaxPermSize

Reviewed-by: never
 2010-09-14 17:19:35 -07:00
Keith McGuigan
5c3276599b Merge 2010-09-07 11:38:09 -04:00
Igor Veresov
2c66a6c3fd 6953144: Tiered compilation 
Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
 2010-09-03 17:51:07 -07:00
Ivan P Krylov
5d5bcb4bca 6979444: add command line option to print command line flags descriptions 
Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments

Reviewed-by: kamg, dholmes, dsamersoff
 2010-08-31 03:14:00 -07:00
Tom Rodriguez
150ca9b5b1 Merge 2010-08-27 17:35:08 -07:00
Tom Rodriguez
08d9e03b81 4809552: Optimize Arrays.fill(...) 
Reviewed-by: kvn
 2010-08-27 17:33:49 -07:00
Daniel D. Daugherty
11da6c2e2a Merge 2010-08-23 08:44:03 -07:00
Tom Rodriguez
519c627fe5 Merge 2010-08-20 09:55:50 -07:00
Tom Rodriguez
a54b1ff70e 6978249: spill between cpu and fpu registers when those moves are fast 
Reviewed-by: kvn
 2010-08-19 14:51:47 -07:00
Pavel Tisnovsky
b002fe5992 6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash 
Test minimal stack sizes given (also fixed linux compilation error)

Reviewed-by: never, phh, coleenp
 2010-08-19 14:23:59 -04:00
John Cuthbertson
becf7cffb3 Merge 2010-08-14 00:47:52 -07:00
Bob Vandette
b95c7e9523 6953477: Increase portability and flexibility of building Hotspot 
A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.

Reviewed-by: phh, never, coleenp, dholmes
 2010-08-03 08:13:38 -04:00
Andrew Haley
d44a3683b1 6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows 
Reviewed-by: dcubed, dholmes
 2010-07-28 17:38:21 +01:00
Antonios Printezis
38ab95c64b 6962589: remove breadth first scanning code from parallel gc 
Remove the breadth-first copying order from ParallelScavenge and use depth-first by default.

Reviewed-by: jcoomes, ysr, johnc
 2010-07-22 10:27:41 -04:00
Coleen Phillimore
091b24c59d Merge 2010-06-30 11:52:10 -04:00
John R Rose
7b529c7ee7 Merge 2010-06-29 16:09:57 -07:00
Vladimir Kozlov
4bd0381466 6964774: Adjust optimization flags setting 
Adjust performance flags settings.

Reviewed-by: never, phh
 2010-06-29 10:34:00 -07:00
Coleen Phillimore
52adb9a491 Merge 2010-06-28 12:03:05 -04:00
John Coomes
a792499b68 6888573: class data sharing does not always disable large pages 
Reviewed-by: phh
 2010-06-24 15:38:42 -07:00
John R Rose
d6a9b93b5a Merge 2010-06-02 22:45:42 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories 
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
 2010-05-27 19:08:38 -07:00
Vladimir Kozlov
cc18a50e59 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb 
Added new product ObjectAlignmentInBytes flag to control object alignment.

Reviewed-by: twisti, ysr, iveresov
 2010-05-27 18:01:56 -07:00
Christian Thalinger
0211f9703a 6943304: remove tagged stack interpreter 
Reviewed-by: coleenp, never, gbenson
 2010-04-30 08:37:24 -07:00
Antonios Printezis
a6d2266193 6949307: G1: raise a vm error, do not core dump, if target pause time and target interval are inconsistent 
First, change the guarantee to raising a vm error. Second, set the interval dynamically, and based on the pause time target, if it is not set explicitly.

Reviewed-by: ysr, johnc
 2010-05-07 13:14:41 -04:00
Antonios Printezis
972acdab81 6937160: G1: should observe GCTimeRatio 
Remove the G1GCPercent parameter, that specifies the desired GC overhead percentage in G1, and observe the GCTimeRatio parameter instead.

Reviewed-by: jmasa, johnc
 2010-03-30 15:36:55 -04:00
Andrey Petrusenko
531591c2b9 Merge 2010-03-22 02:40:53 -07:00
Christian Thalinger
1270c6c005 6932091: JSR 292 x86 code cleanup 
Some code cleanups found during the JSR 292 SPARC port.

Reviewed-by: kvn, never
 2010-03-18 09:56:51 +01:00
John Coomes
4f82340476 4396719: Mark Sweep stack overflow on deeply nested Object arrays 
Use an explicit stack for object arrays and process them in chunks.

Reviewed-by: iveresov, apetrusenko
 2010-03-03 14:48:26 -08:00
Jon Masamitsu
f254745228 6928081: G1: rename parameters common with CMS 
Rename marking stack sizing flags to be common between G1 and CMS

Reviewed-by: ysr, tonyp
 2010-02-24 07:00:33 -08:00