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59 Commits

Author SHA1 Message Date
Paul Hübner
f48ad21ecc 8371216: oopDesc::print_value_on breaks if klass is garbage 
Reviewed-by: coleenp, mdoerr
 2025-11-10 09:24:45 +00:00
Thomas Schatzl
8d5c005642 8342382: Implement JEP 522: G1 GC: Improve Throughput by Reducing Synchronization 
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Carlo Refice <carlo.refice@oracle.com>
Co-authored-by: Fei Yang <fyang@openjdk.org>
Reviewed-by: iwalulya, rcastanedalo, aph, ayang
 2025-09-22 13:47:45 +00:00
Kim Barrett
9e843f56ec 8367014: Rename class Atomic to AtomicAccess 
Reviewed-by: dholmes, aph, stefank
 2025-09-12 06:35:55 +00:00
Fredrik Bredberg
a272696813 8365190: Remove LockingMode related code from share 
Reviewed-by: aboldtch, dholmes, ayang, coleenp, lmesnik, rcastanedalo
 2025-09-08 10:28:18 +00:00
Stefan Karlsson
c33c1cfe73 8347909: Automatic precompiled.hpp inclusion 
Reviewed-by: lkorinth, erikj, dholmes, ihse
 2025-01-21 10:21:24 +00:00
Roman Kennke
276251c44a 8342826: Improve performance of oopDesc::klass() after JDK-8305895 
Reviewed-by: coleenp, shade, mli
 2024-11-15 21:21:03 +00:00
Roman Kennke
44ec501a41 8305895: Implement JEP 450: Compact Object Headers (Experimental) 
Co-authored-by: Sandhya Viswanathan <sviswanathan@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Hamlin Li <mli@openjdk.org>
Co-authored-by: Thomas Stuefe <stuefe@openjdk.org>
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org>
Reviewed-by: coleenp, stefank, stuefe, phh, ihse, lmesnik, tschatzl, matsaave, rcastanedalo, vpaprotski, yzheng, egahlin
 2024-11-08 17:21:39 +00:00
Axel Boldt-Christmas
821c514a13 8341692: Implement JEP 490: ZGC: Remove the Non-Generational Mode 
Reviewed-by: ihse, eosterlund, stefank, prr, cjplummer, dholmes
 2024-10-30 11:05:07 +00:00
Thomas Schatzl
7834662ca3 8340119: Remove oopDesc::size_might_change() 
Reviewed-by: stefank, iwalulya
 2024-09-17 08:11:22 +00:00
Aleksey Shipilev
1eec30a6c0 8331573: Rename CollectedHeap::is_gc_active to be explicitly about STW GCs 
Reviewed-by: stefank, zgu, tschatzl, gli
 2024-05-06 11:17:39 +00:00
Stefan Karlsson
6f087cbcd5 8328698: oopDesc::klass_raw() decodes without a null check 
Reviewed-by: ayang, tschatzl
 2024-04-08 09:29:40 +00:00
Stefan Karlsson
9f9a732c38 8325752: Remove badMetaWordVal 
Reviewed-by: coleenp, tschatzl
 2024-02-22 16:02:26 +00:00
Ioi Lam
ecd25e7d6f 8318484: Initial version of cdsConfig.hpp 
Reviewed-by: dholmes, ccheung, sspitsyn
 2023-10-21 15:43:36 +00:00
Thomas Stuefe
753bd563ec 8311870: Split CompressedKlassPointers from compressedOops.hpp 
Reviewed-by: iklam, rkennke
 2023-07-12 09:06:53 +00:00
Stefan Karlsson
d20034b09c 8307058: Implementation of Generational ZGC 
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org>
Co-authored-by: Per Liden <pliden@openjdk.org>
Co-authored-by: Stefan Johansson <sjohanss@openjdk.org>
Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org>
Co-authored-by: Erik Helin <ehelin@openjdk.org>
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Co-authored-by: Nils Eliasson <neliasso@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Leslie Zhai <lzhai@openjdk.org>
Co-authored-by: Fei Yang <fyang@openjdk.org>
Co-authored-by: Yadong Wang <yadongwang@openjdk.org>
Reviewed-by: eosterlund, aboldtch, rcastanedalo
 2023-05-11 13:59:37 +00:00
Roman Kennke
7f6358a8b5 8291555: Implement alternative fast-locking scheme 
Co-authored-by: Fei Yang <fyang@openjdk.org>
Co-authored-by: Thomas Stuefe <stuefe@openjdk.org>
Reviewed-by: dcubed, stuefe, shade, dholmes, dlong
 2023-05-08 17:51:39 +00:00
Ioi Lam
723037a79d 8298048: Combine CDS archive heap into a single block 
Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Reviewed-by: matsaave, tschatzl
 2023-04-21 15:29:45 +00:00
Thomas Schatzl
5d7e7e28b1 8302760: Improve liveness/remembered set verification for G1 
Reviewed-by: kbarrett, iwalulya
 2023-02-22 16:11:41 +00:00
Johan Sjölen
c8ace482ed 8301072: Replace NULL with nullptr in share/oops/ 
Reviewed-by: stefank, coleenp, dholmes
 2023-02-10 09:57:59 +00:00
Axel Boldt-Christmas
4bd3f0a0d5 8301088: oopDesc::print_on should consistently use a trailing newline 
Reviewed-by: tschatzl, coleenp
 2023-01-30 07:14:25 +00:00
Coleen Phillimore
94eb25a4f1 8256072: Eliminate JVMTI tagmap rehashing 
Reviewed-by: kbarrett, eosterlund
 2022-11-03 17:27:00 +00:00
Stefan Karlsson
6bd2794175 8293304: Replace some usages of INTPTR_FORMAT with PTR_FORMAT 
Reviewed-by: kbarrett, coleenp
 2022-09-08 13:37:06 +00:00
Ioi Lam
7244dd6fab 8292267: Clean up synchronizer.hpp 
Reviewed-by: coleenp, dcubed, dholmes
 2022-08-19 17:25:12 +00:00
Coleen Phillimore
270cf67e5f 8288752: Split thread implementation files 
Reviewed-by: dholmes, rehn, iklam
 2022-06-22 12:49:25 +00:00
Alan Bateman
9583e3657e 8284161: Implementation of Virtual Threads (Preview) 
Co-authored-by: Ron Pressler <rpressler@openjdk.org>
Co-authored-by: Alan Bateman <alanb@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Andrew Haley <aph@openjdk.org>
Co-authored-by: Rickard Bäckman <rbackman@openjdk.org>
Co-authored-by: Markus Grönlund <mgronlun@openjdk.org>
Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org>
Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org>
Co-authored-by: Chris Plummer <cjplummer@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Robbin Ehn <rehn@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org>
Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
 2022-05-07 08:06:16 +00:00
Stefan Karlsson
af18b1111a 8283574: Use Klass::_id for type checks in the C++ code 
Reviewed-by: tschatzl, kbarrett
 2022-03-24 06:02:09 +00:00
Roman Kennke
3edee1e1fe 8272723: Don't use Access API to access primitive fields 
Reviewed-by: stefank, eosterlund
 2021-10-11 10:37:54 +00:00
Roman Kennke
a86ac0d1e3 8271939: Clean up primitive raw accessors in oopDesc 
Reviewed-by: stefank, tschatzl
 2021-08-09 10:31:31 +00:00
Ioi Lam
024c4027d8 8271014: Refactor HeapShared::is_archived_object() 
Reviewed-by: ccheung, minqi
 2021-07-21 18:49:19 +00:00
David Holmes
02f895c5f6 8252685: APIs that require JavaThread should take JavaThread arguments 
Reviewed-by: coleenp, sspitsyn, kvn, iklam
 2021-05-17 04:05:44 +00:00
Ioi Lam
95f0fd6c4d 8265696: Move CDS sources to src/hotspot/shared/cds 
Reviewed-by: erikj, dholmes, stuefe
 2021-04-23 04:13:02 +00:00
Stefan Karlsson
a79f095697 8263721: Unify oop casting 
Reviewed-by: kbarrett, coleenp
 2021-03-24 10:28:38 +00:00
Ioi Lam
c5ff454481 8250989: Consolidate buffer allocation code for CDS static/dynamic dumping 
Reviewed-by: ccheung, coleenp
 2021-02-07 07:10:38 +00:00
Ioi Lam
5ea960728c 8258459: Decouple gc_globals.hpp from globals.hpp 
Reviewed-by: lfoltan, coleenp
 2021-01-05 05:57:08 +00:00
Kim Barrett
2d9fa9da02 8247912: Make narrowOop a scoped enum 
Reviewed-by: iklam, stefank
 2020-10-01 10:45:22 +00:00
Aditya Mandaleeka
e63b90cc17 8251358: Clean up Access configuration after Shenandoah barrier change 
Reviewed-by: eosterlund, rkennke, shade
 2020-09-29 07:25:08 +00:00
Aleksey Shipilev
11c4ea963c 8253278: Refactor/cleanup oopDesc::*_klass_addr 
Reviewed-by: coleenp, stefank
 2020-09-18 08:22:54 +00:00
Per Lidén
b053f09769 8231113: Remove CollectedHeap::check_oop_location() 
Reviewed-by: stefank, eosterlund, tschatzl
 2019-09-19 16:05:47 +02:00
Evgeny Mandrikov
51b0eab330 8207800: always_do_update_barrier is unused 
Reviewed-by: shade, tschatzl
 2019-09-10 07:42:04 +02:00
Erik Österlund
f869706f5f 8224815: Remove non-GC uses of CollectedHeap::is_in_reserved() 
Reviewed-by: stefank, coleenp
 2019-09-05 08:26:49 +02:00
Erik Österlund
855f16ef50 8229278: Improve hs_err location printing to assume less about GC internals 
Reviewed-by: stefank, kbarrett
 2019-08-28 11:19:09 +02:00
Stefan Karlsson
ae5615c614 8229258: Rework markOop and markOopDesc into a simpler mark word value carrier 
Reviewed-by: rkennke, coleenp, kbarrett, dcubed
 2019-08-06 10:48:21 +02:00
Coleen Phillimore
2a48a29c33 8219459: oopDesc::is_valid() is broken 
Use Metaspace::contains() to test address ranges.

Reviewed-by: mdoerr, stuefe, jiangli
 2019-05-14 08:52:51 -04:00
Stefan Karlsson
c90f3ee68b 8223624: Cleanup includes of universe.hpp 
Reviewed-by: coleenp, lkorinth
 2019-05-09 14:28:30 +02:00
Stefan Karlsson
5a8ba256df 8223136: Move compressed oops functions to CompressedOops class 
Reviewed-by: coleenp, lkorinth
 2019-05-09 14:26:03 +02:00
Per Lidén
6bce53795b 8221748: Remove unused oopDesc::is_unlocked_oop() 
Reviewed-by: kbarrett
 2019-04-02 10:04:35 +02:00
Claes Redestad
c6c604784a 8216197: Remove unused new_hash methods 
Reviewed-by: kbarrett, dholmes
 2019-01-07 10:21:43 +01:00
Jiangli Zhou
a2ad8f419f 8206009: Move CDS java heap object archiving code to heapShared.hpp and heapShared.cpp 
Restructure and cleanup java heap object archiving code.

Reviewed-by: coleenp, iklam
 2018-10-09 15:58:07 -04:00
Martin Doerr
4af2374271 8210754: print_location is not reliable enough (printing register info) 
Reviewed-by: stuefe, coleenp
 2018-10-04 16:39:07 +02:00
Ioi Lam
1619cbd14b 8210864: Reduce the use of metaspaceShared.hpp 
Reviewed-by: coleenp, lfoltan
 2018-09-18 21:46:17 -07:00