200 Commits

Author SHA1 Message Date
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
Mandy Chung
3c30eafbb5 6864003: Modify JVM_FindClassFromBootLoader to return null if class not found
JVM_FindClassFromBootLoader returns null if class not found

Reviewed-by: acorn, alanb, dholmes
2009-07-27 09:06:22 -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
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
Vladimir Kozlov
7b9d6a79ac 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.

Reviewed-by: never
2009-06-09 16:19:10 -07:00
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
101468324d 6603316: Improve instrumentation for classes loaded at startup
Reviewed-by: xlu, mchung
2009-03-25 13:09:28 -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
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -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
8aebf28301 6567360: 3/4 SIGBUS in jvmti RawMonitor magic check for unaligned bad monitor pointer
Change JvmtiEnvBase::is_valid() and JvmtiRawMonitor::is_valid() to fetch the _magic fields via Bytes::get_native_u[248]().

Reviewed-by: coleenp, swamyv
2009-03-02 14:05:07 -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
Daniel D. Daugherty
56fe18e375 6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.

Reviewed-by: coleenp, swamyv
2009-03-02 14:00:23 -07:00
Daniel D. Daugherty
74a99e1e82 6700114: 3/4 Assertion (_thread->get_interp_only_mode() == 1,"leaving interp only when mode not one")
Don't create JvmtiThreadState for an exiting JavaThread.

Reviewed-by: coleenp, swamyv
2009-03-02 13:57:17 -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
Coleen Phillimore
455ba2dcdf Merge 2009-01-15 12:44:03 -05:00
John Coomes
2ba0d5b055 Merge 2009-01-14 14:12:55 -08:00
Xiaobin Lu
31acc39bf9 Merge 2009-01-13 12:14:38 -08:00
Xiaobin Lu
aae30d753f 6791815: Fix for 6471657 can cause deadlock on non-Solaris platforms when initializing direct buffer support
Place the state transition inside the loop so that the VMThread could proceed for safepoint

Reviewed-by: dholmes, never, acorn
2009-01-13 12:08:43 -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
Jon Masamitsu
3474623106 6689653: JMapPerm fails with UseConcMarkSweepIncGC and compressed oops off
Added safe_object_iterate() for use by JMapPerm.

Reviewed-by: tonyp
2009-01-06 07:05:05 -08:00
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
Coleen Phillimore
e0d2bfab81 6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.

Reviewed-by: acorn, jcoomes
2008-12-10 15:14:29 -08:00
Poonam Bajaj
9330807714 Merge 2008-12-04 17:48:02 -08:00
Poonam Bajaj
eddda26255 6739363: Xcheck jni doesn't check native function arguments
Fix adds support for verifying arguments with -Xcheck:jni.

Reviewed-by: coleenp
2008-12-04 17:29:56 -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
Kumar Srinivasan
3a72f5c241 6755845: JVM_FindClassFromBoot triggers assertions
Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.

Reviewed-by: dholmes, xlu
2008-10-08 08:10:51 -07:00
Chuck Rasbold
453d1a42b0 Merge 2008-09-30 15:53:55 -07:00
Tom Rodriguez
d40b6daac9 6753795: HotSpot crash in strlen() when JVMTI is used
Test for null instead of strlen

Reviewed-by: rasbold
2008-09-30 11:56:01 -07:00
Volker Simonis
ac161a1e17 6744783: HotSpot segfaults if given -XX options with an empty string argument
Reviewed-by: kamg, kvn
2008-09-25 12:50:51 -07:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
2008-07-19 17:38:22 -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
Poonam Bajaj
1f819855d5 6694099: Hotspot vm_exit_out_of_memory should dump core
This fix enables the generation of core file when process runs out of C-heap.

Reviewed-by: sbohne
2008-06-22 20:07:58 -07:00
Kumar Srinivasan
69eb2b72c6 6714758: hotspot: provide an entry point to the BootStrap Class loader[dholmes,acorn]
Adds JVM_FindClassFromBootLoader entry point, for jdk's use

Reviewed-by: dholmes, acorn
2008-06-17 13:08:15 -07:00
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
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
Steve Goldman
c89e39d40a 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer

Reviewed-by: dcubed, kvn
2008-04-08 12:23:15 -04:00
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00