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573 Commits

Author SHA1 Message Date
Thomas Stuefe
5b6f81de07 8244777: ClassLoaderStats VM Op uses constant hash value 
Reviewed-by: coleenp, jbachorik
 2020-05-14 08:48:36 +02:00
Erik Österlund
382e5dc334 8241825: Make compressed oops and compressed class pointers independent (x86_64, PPC, S390) 
Reviewed-by: coleenp, fparain, stuefe, mdoerr
 2020-05-13 09:36:12 +00:00
Harold Seigel
39670b0e57 8241934: Simplify parse_stream() and remove has_class_mirror_holder_cld() 
Added paramter to register_loader() which allowed removing of has_class_mirror_holder_cld()

Reviewed-by: coleenp, lfoltan
 2020-05-11 15:00:16 +00:00
Claes Redestad
c2780c9556 8244550: Unsafe::allocateInstance does redundant transitions 
Reviewed-by: coleenp, mchung, dholmes
 2020-05-07 14:09:20 +02:00
Yumin Qi
0c0d485c37 8237750: Load libzip.so only if necessary 
Libzip.so is unconditionally loaded even without usage. Fix by on demand loading.

Reviewed-by: dlong, iklam, ccheung
 2020-05-05 15:40:18 -07:00
Ioi Lam
eadcb08c3c 8241071: Generation of classes.jsa with -Xshare:dump is not deterministic 
Reviewed-by: dholmes, stuefe
 2020-05-05 11:10:02 -07:00
Jie Fu
765a5b858b 8244276: Zero and minimal VM build failure after JDK-8178349 (use of undeclared identifier 'SystemDictionaryShared') 
Reviewed-by: minqi, dholmes
 2020-05-03 20:11:14 +08:00
Yumin Qi
832272da71 8178349: Cache builtin class loader constraints to avoid re-initializing itable/vtable for shared classes 
Record loader constraints for built-in class which is loaded by app loader or platform loader in shared archive in dump time.  When the class loaded from shared archive at runtime, directly check loader constraints using the saved info so avoid lengthy relayout i/v-table at class link stage.

Reviewed-by: iklam, ccheung
 2020-05-01 10:58:45 -07:00
Harold Seigel
d74e4f2237 8243572: Multiple tests fail with assert(cld->klasses() != 0LL) failed: unexpected NULL for cld->klasses() 
Merge unsafe anonymous class stats with hidden classes, avoiding having to call cld->klasses()

Reviewed-by: lfoltan, mchung, mgronlun
 2020-04-30 13:10:09 +00:00
Calvin Cheung
18c43241fb 8241815: Unnecessary calls to SystemDictionaryShared::define_shared_package 
Avoid calling ClassLoaders.definePackage during loading of shared classes originated from the module image since java.lang.Package for named modules are automatically defined.

Reviewed-by: mchung, lfoltan
 2020-04-28 00:09:53 +00:00
Coleen Phillimore
f8ab03fa04 8243503: InstanceKlass::_array_name is not needed and leaks 
Decrement the refcount for all Klass in class unloading.

Reviewed-by: lfoltan, hseigel
 2020-04-24 16:54:28 -04:00
Coleen Phillimore
90ada6a314 8238048: Close alignment gaps in InstanceKlass 
Moved fields around and some constant fields into ConstantPool

Reviewed-by: cjplummer, dlong, iklam
 2020-04-23 16:29:22 -04:00
Mandy Chung
7cc1371059 8238358: Implementation of JEP 371: Hidden Classes 
Co-authored-by: Lois Foltan <lois.foltan@oracle.com>
Co-authored-by: David Holmes <david.holmes@oracle.com>
Co-authored-by: Harold Seigel <harold.seigel@oracle.com>
Co-authored-by: Serguei Spitsyn <serguei.spitsyn@oracle.com>
Co-authored-by: Alex Buckley <alex.buckley@oracle.com>
Co-authored-by: Jamsheed Mohammed C M <jamsheed.c.m@oracle.com>
Co-authored-by: Jan Lahoda <jan.lahoda@oracle.com>
Co-authored-by: Amy Lu <amy.lu@oracle.com>
Reviewed-by: alanb, cjplummer, coleenp, dholmes, dlong, forax, jlahoda, psandoz, plevart, sspitsyn, vromero
 2020-04-21 06:55:38 -07:00
Ioi Lam
0bc7cc4d28 8241158: SA TestHeapDumpForInvokeDynamic.java fails when CDS archive is relocated 
Reviewed-by: ccheung
 2020-04-20 17:33:52 -07:00
Yumin Qi
7b8c373494 8240204: Optimize package handling for archived classes 
ClassLoader::add_package just sets classpath_index to PackageEntry, moved the code to InstanceKlass. Also avoid calling check_prohibited_package since CDS does not archive prohibited classe in set_package.

Reviewed-by: hseigel, lfoltan, redestad, iklam
 2020-04-20 16:36:15 -07:00
Claes Redestad
d185fe9953 8242452: During module definition, move conversion of packages from native to VM 
8242290: Pointless verification in get_package_entry_by_name

Reviewed-by: lfoltan, iklam, hseigel
 2020-04-18 19:45:45 +02:00
Lois Foltan
d37985cd70 8210012: Implement Unified Logging Option for -XX:+TraceMethodHandles and -XX:+TraceInvokeDynamic 
Transition the tracing method handles command line options to unified logging, -Xlog:methodhandles.

Reviewed-by: dholmes, iklam, jrose
 2020-04-15 21:01:02 +00:00
Henry Jen
0278846eaa Merge 2020-04-14 23:11:49 +00:00
Calvin Cheung
dd4e04d6f5 8242134: Consolidate the get_package_entry() in SystemDictionaryShared and ClassLoader 
Keep the version in ClassLoader.

Reviewed-by: hseigel, redestad, lfoltan
 2020-04-08 08:56:05 -07:00
Calvin Cheung
512644de06 8240205: Avoid PackageEntry lookup when loading shared classes 
Do the PackageEntry lookup at one place and then pass it along to the subsequently called functions which need it.

Reviewed-by: redestad, lfoltan
 2020-04-03 14:26:42 -07:00
Claes Redestad
fb56759d08 8242027: Clean up LinkResolver::check_klass_accessability 
Reviewed-by: dholmes
 2020-04-02 18:22:27 +02:00
Claes Redestad
0d22ad6400 8241427: Coarsen locking in Modules::add_module_exports 
Reviewed-by: lfoltan, hseigel
 2020-03-26 00:02:08 +01:00
Claes Redestad
9a6038fbf3 8241584: Remove unused classLoader perf counters 
Reviewed-by: hseigel
 2020-03-25 13:38:31 +01:00
Claes Redestad
23d6a788b4 8241371: Refactor and consolidate package_from_name 
Reviewed-by: iklam, lfoltan
 2020-03-23 23:18:42 +01:00
Ioi Lam
81353a56f9 8241244: CDS dynamic dump asserts in ArchivePtrBitmapCleaner::do_bit 
Reviewed-by: minqi, coleenp
 2020-03-23 13:27:22 -07:00
Claes Redestad
2b465b1ebf 8241010: Unnecessarily resolving some well-known classes 
Reviewed-by: coleenp
 2020-03-13 18:43:11 +01:00
Mandy Chung
d5d6dc0caa 8228336: Refactor native library loading implementation 
Reviewed-by: alanb, dholmes
 2020-03-12 11:54:11 -07:00
Stefan Karlsson
43e0fc04b0 8240529: CheckUnhandledOops breaks NULL check in Modules::define_module 
Reviewed-by: coleenp, lfoltan, hseigel
 2020-03-04 15:50:49 +01:00
Stefan Karlsson
593a05c93a 8240530: CheckUnhandledOops breaks BacktraceBuilder::set_has_hidden_top_frame 
Reviewed-by: coleenp, dholmes
 2020-03-04 15:50:51 +01:00
Ioi Lam
046dcdc0bc 8240613: InstanceKlass::set_init_state failed with assert(good_state || state == allocated) 
Reviewed-by: dcubed
 2020-03-08 15:06:27 -07:00
Ioi Lam
7ba18fc015 8240244: Avoid calling resolve_super_or_fail in SystemDictionary::load_shared_class 
Reviewed-by: redestad, lfoltan, minqi
 2020-03-04 22:26:48 -08:00
Calvin Cheung
5229896f4f 8240481: Remove CDS usage of InstanceKlass::is_in_error_state 
Track the classes which fail verification during CDS dumping in DumpTimeSharedClassInfo.

Reviewed-by: iklam, minqi
 2020-03-04 15:34:53 -08:00
Harold Seigel
cf89ff7a4b 8240324: Improve is_boot_class_loader_data() by adding simple check 
Check if cld is the null_cld before looking at the class loader oop

Reviewed-by: coleenp
 2020-03-03 15:50:20 +00:00
Lois Foltan
c280d98e80 8237766: Enhance signature API to include ResolvingSignatureStream 
New ResolvingSignatureStream class provides the capability to easily walk through the differing parts of a signature while resolving or querying its underlying types.

Co-authored-by: John Rose <john.r.rose@oracle.com>
Reviewed-by: coleenp, fparain, hseigel
 2020-03-02 18:42:22 +00:00
Ioi Lam
0532bd23cd 8240267: VM fails to start with CDS enabled but JVMTI disabled 
Reviewed-by: dholmes
 2020-03-01 17:36:03 -08:00
Yumin Qi
5bfb8146e9 8240258: SystemDictionary::quick_resolve need guarded by INCLUDE_CDS 
Supplemental fix for 8236604 to guard SystemDictionary::quick_resolve with CDS

Reviewed-by: iklam, ccheung
 2020-02-28 19:29:11 -08:00
Jie Fu
f176fae840 8240254: Build is broken when cds is disabled after JDK-8236604 
Reviewed-by: redestad
 2020-02-29 09:38:12 +08:00
Yumin Qi
add146cc8b 8236604: Optimize SystemDictionary::resolve_well_known_classes for CDS 
Serialize SystemDictionary::_well_known_classes into CDS and quickly resolve them at runtime in vm startup stage.

Reviewed-by: iklam, coleenp
 2020-02-28 15:30:29 -08:00
Harold Seigel
a1e9328367 8235225: Replace CHECK_0 with CHECK_NULL for non-integer returning methods 
Change CHECK_0 to CHECK_NULL and CHECK_false where appropriate

Reviewed-by: mikael, dholmes, coleenp
 2020-02-27 13:00:05 +00:00
Claes Redestad
289513cc2b 8239235: Examine SignatureStream performance after consolidation 
Reviewed-by: lfoltan, coleenp
 2020-02-24 10:20:35 +01:00
Frederic Parain
8827df9b2d 8239014: -XX:-UseEmptySlotsInSupers sometime fails to reproduce the layout of the old code 
Reviewed-by: dholmes, coleenp
 2020-02-19 08:57:43 -05:00
Frederic Parain
30707f8007 8238961: Assertion failure in new field layout code when ContendedPaddingWidth == 0 
Reviewed-by: hseigel, coleenp
 2020-02-13 11:23:17 -05:00
Frederic Parain
9886cb401c 8237767: Field layout computation overhaul 
Reviewed-by: dholmes, coleenp, lfoltan, shade
 2020-02-10 09:49:12 -05:00
Lois Foltan
d19a396e96 8230199: consolidate signature parsing code in HotSpot sources 
Add a new Signature class to support basic signature queries and enhance SignatureStream class to parse field signatures in addition to methods.

Co-authored-by: John Rose <john.r.rose@oracle.com>
Reviewed-by: coleenp, dholmes, fparain, hseigel
 2020-02-06 14:29:57 +00:00
Claes Redestad
c639682887 8236075: Minor bootstrap improvements 
Reviewed-by: mchung, alanb
 2020-01-21 13:28:15 +01:00
Harold Seigel
7fc58a1020 8235678: Remove unnecessary calls to Thread::current() in MutexLocker calls 
Add THREAD argument when available and make Thread* the first argument to relevant MutexLocker and MonitorLocker constructors

Reviewed-by: lfoltan, coleenp, dholmes
 2020-01-16 13:48:23 +00:00
Coleen Phillimore
c4b8e38de4 8236224: Obsolete the FieldsAllocationStyle and CompactFields options 
Remove the options and code for options deprecated in JDK 14

Reviewed-by: dholmes, hseigel, fparain
 2020-01-07 13:11:35 -05:00
Smita Kamath
995da6eb2a 8167065: Add intrinsic support for double precision shifting on x86_64 
Reviewed-by: kvn
 2019-12-23 14:42:21 -08:00
Robbin Ehn
e4c96dea46 8235912: JvmtiBreakpoint remove oops_do and metadata_do 
Reviewed-by: coleenp, sspitsyn
 2019-12-19 16:47:59 +01:00
Vladimir Ivanov
2ea157fee1 8227467: Better class method invocations 
Reviewed-by: thartmann, dholmes, ahgross
 2019-12-03 19:31:20 +03:00