18 Commits

Author SHA1 Message Date
Coleen Phillimore
6538c5134b 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.

Reviewed-by: dholmes, sspitsyn, dcubed, jmasa
2012-11-28 17:50:21 -05:00
Zhengyu Gu
3e481cdd81 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.

Reviewed-by: acorn, coleenp
2012-10-19 21:40:07 -04:00
Nils Loodin
953bec36ab 8000617: It should be possible to allocate memory without the VM dying
Reviewed-by: coleenp, kamg
2012-10-17 17:36:48 +02:00
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
2012-09-01 13:25:18 -04:00
Zhengyu Gu
a39b17624a 6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
2012-06-28 17:03:16 -04:00
Kurt Miller
95c56a472b 7089790: integrate bsd-port changes
Co-authored-by: Greg Lewis <glewis@eyesbeyond.com>
Co-authored-by: Jung-uk Kim <jkim@freebsd.org>
Co-authored-by: Christos Zoulas <christos@zoulas.com>
Co-authored-by: Landon Fuller <landonf@plausible.coop>
Co-authored-by: The FreeBSD Foundation <board@freebsdfoundation.org>
Co-authored-by: Michael Franz <mvfranz@gmail.com>
Co-authored-by: Roger Hoover <rhoover@apple.com>
Co-authored-by: Alexander Strange <astrange@apple.com>
Reviewed-by: kvn, twisti, jrose
2011-09-25 16:03:29 -07:00
Zhengyu Gu
865413485d 7036747: 7017009 reappeared, problem with ElfStringTable
Created new "new" operator for CHeapObj that allows malloc to fail without causing fatal error. Also replaced "HeapAllocate" with "os::malloc" in decoder code to allow decoder to handle low memory scenario.

Reviewed-by: coleenp, dholmes
2011-04-27 09:09:57 -04:00
Keith McGuigan
380d90b364 6878713: Verifier heap corruption, relating to backward jsrs
Added overflow detection in arena Amalloc methods

Reviewed-by: coleenp, phh
2011-03-02 08:18:35 -05:00
Vladimir Kozlov
b9633d42b4 7017124: Fix some VM stats to avoid 32-bit overflow
Added new method inc_stat_counter() to increment long statistic values and use atomic long load and store.

Reviewed-by: dholmes, jrose, phh, never
2011-02-07 10:34:39 -08:00
Vladimir Kozlov
19a01fed97 6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))
Add another ResourceObj debug field to distinguish garbage

Reviewed-by: dholmes, coleenp
2010-12-10 14:14:02 -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
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
Tom Rodriguez
68ff9b2b00 Merge 2010-08-09 17:51:56 -07:00
Vladimir Kozlov
2e48a18645 6975078: assert(allocated_on_res_area() || allocated_on_C_heap() || allocated_on_arena()
Pass the check in ResourceObj() if _allocation value is already set and object is allocated on stack.

Reviewed-by: dholmes, johnc
2010-08-09 15:17:05 -07:00
Vladimir Kozlov
5bed80aab9 6973963: SEGV in ciBlock::start_bci() with EA
Added more checks into ResourceObj and growableArray to verify correctness of allocation type.

Reviewed-by: never, coleenp, dholmes
2010-08-03 15:55:03 -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
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00