History log of /openjdk10/hotspot/src/share/vm/oops/symbol.hpp
Revision Date Author Comments
# 13370:731370f39fcd 02-Aug-2017 iklam

8072061: Automatically determine optimal sizes for the CDS regions
Summary: See new C++ class MetaspaceClosure.
Reviewed-by: coleenp, jiangli, mseledtsov


# 13116:56d2166223f6 23-May-2017 redestad

8180763: Improve inlining of Symbol::equals(char*,int) into CompactHashtable
Reviewed-by: iklam, jiangli


# 11857:d0fbf661cc16 21-Aug-2016 dholmes

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis


# 11664:53f2e6ca643b 27-Jul-2016 acorn

8162340: Better class stream parsing
Summary: Check platform and boot loader for java/* packages
Reviewed-by: lfoltan, coleenp, dholmes


# 10871:90aeaed2b342 12-Apr-2016 stefank

8153967: Remove top.hpp
Reviewed-by: coleenp, jwilhelm


# 10159:832fc8bf51cb 30-Jan-2016 coleenp

8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
Summary: Use align_metadata_size, align_metadata_offset and is_metadata_aligned for metadata rather than align_object_size, etc. Use wordSize rather than HeapWordSize for metadata. Use align_ptr_up rather than align_pointer_up (all the related functions are ptr).
Reviewed-by: hseigel, jmasa, cjplummer


# 9684:cca80b5ad4d7 08-Dec-2015 mgronlun

8140485: Class load and creation cleanup
Reviewed-by: hseigel, coleenp, sspitsyn


# 9208:5d13c9b094c4 26-Oct-2015 neliasso

8139996: CompileCommand prints quoted ascii strings
Summary: Print symbols as utf8
Reviewed-by: kvn


# 8845:17c65a196427 14-Aug-2015 minqi

8130115: REDO - Reduce Symbol::_identity_hash to 2 bytes
Summary: Convert Symbol::_identity_hash from integer to short integer to save two bytes. Also change identity_hash() to have 'this' and first two bytes of symbol join the calculation.
Reviewed-by: iklam, coleenp, shade


# 8706:aec8e7843d43 15-Jul-2015 minqi

8025692: Log what methods are touched at run-time
Summary: Added two diagnostic flags, LogTouchedMethods and PrintTouchedMethodsAtExit to list all methods that have been touched at run time. Added new jcmd, VM.print_touched_methods.
Reviewed-by: acorn, iklam


# 8662:00cd0f4c1172 30-Jun-2015 dcubed

8130135: backout 8087143 due to failures in 8130115
Reviewed-by: minqi, coleenp


# 8660:e532b042ad77 29-Jun-2015 minqi

8087143: Reduce Symbol::_identity_hash to 2 bytes
Summary: Convert Symbol::_identity_hash from integer to short integer to save two bytes. Also change identity_hash() to have 'this' and first two bytes of symbol join the calculation.
Reviewed-by: iklam, coleenp, shade


# 5895:cd6b3f1a94ff 10-Feb-2014 minqi

8033792: AltHashing used jint for imprecise bit shifting
Summary: AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix by change _seed defined as juint.
Reviewed-by: coleenp, ccheung
Contributed-by: yumin.qi@oracle.com


# 5297:b2e698d2276c 13-Sep-2013 drchase

8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
Summary: Enhance method resolution and resulting data structures, plus some refactoring.
Reviewed-by: twisti, acorn, jrose


# 5179:9758d9f36299 29-Aug-2013 coleenp

8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification
Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung
Contributed-by: lois.foltan@oracle.com


# 4871:d9eed26d638a 23-Jun-2013 iklam

8009575: Reduce Symbol::_refcount from 4 bytes to 2 bytes
Summary: Added Atomic::inc(short*) to support this change.
Reviewed-by: coleenp, dcubed, dholmes, minqi


# 4240:63e54c37ac64 27-Feb-2013 simonis

8008959: Fix non-PCH build on Linux, Windows and MacOS X
Summary: Fix the build without precompiled headers by either including the missing ".inline.hpp" files into the appropriate files or by turning inline-functions declared in header files into ordinary functions in ".cpp" files.
Reviewed-by: coleenp, stefank, dholmes


# 3832:bd7a7ce2e264 12-Nov-2012 minqi

6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com


# 3602:da91efe96a93 01-Sep-2012 coleenp

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>


# 3247:fc9d8850ab8b 23-Mar-2012 coleenp

7150058: Allocate symbols from null boot loader to an arena for NMT
Summary: Move symbol allocation to an arena so NMT doesn't have to track them at startup.
Reviewed-by: never, kamg, zgu


# 2273:1d1603768966 05-Apr-2011 trims

7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair


# 2062:3582bf76420e 27-Jan-2011 coleenp

6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank