truffle: src/share/vm/oops/instanceKlass.cpp annotate

annotate src/share/vm/oops/instanceKlass.cpp @ 9126:bc26f978b0ce

HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly don't use the (wrong) cached value, but ask the runtime on each request. Fixes regression on xml.* benchmarks @ specjvm2008. The problem was: After the constructor of Object was deoptimized due to an assumption violation, it was recompiled again after some time. However, on recompilation, the value of hasFinalizeSubclass for the class was not updated and it was compiled again with a, now wrong, assumption, which then triggers deoptimization again. This was repeated until it hit the recompilation limit (defined by PerMethodRecompilationCutoff), and therefore only executed by the interpreter from now on, causing the performance regression.

author	Bernhard Urban <bernhard.urban@jku.at>
date	Mon, 15 Apr 2013 19:54:58 +0200
parents	89e4d67fdd2a
children	836a62f43af9

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	26 #include "classfile/javaClasses.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	28 #include "classfile/verifier.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	29 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	30 #include "compiler/compileBroker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	31 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33 #include "interpreter/oopMapCache.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	34 #include "interpreter/rewriter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	35 #include "jvmtifiles/jvmti.h"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	36 #include "memory/genOopClosures.inline.hpp"
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	37 #include "memory/heapInspection.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	38 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	39 #include "memory/oopFactory.hpp"
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	40 #include "oops/fieldStreams.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	41 #include "oops/instanceClassLoaderKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	42 #include "oops/instanceKlass.hpp"
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	43 #include "oops/instanceMirrorKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	44 #include "oops/instanceOop.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	45 #include "oops/klass.inline.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	46 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	47 #include "oops/oop.inline.hpp"
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	48 #include "oops/symbol.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	49 #include "prims/jvmtiExport.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	50 #include "prims/jvmtiRedefineClassesTrace.hpp"
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	51 #include "prims/methodComparator.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	52 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	53 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	54 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	55 #include "runtime/mutexLocker.hpp"
7180 f34d701e952e 8003935: Simplify the needed includes for using Thread::current() stefank parents: 6985 diff changeset	56 #include "runtime/thread.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	57 #include "services/threadService.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	58 #include "utilities/dtrace.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	59 #include "utilities/macros.hpp"
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	60 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	61 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	62 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	63 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	64 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	65 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	66 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	67 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	68 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	69 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	70 #include "oops/oop.pcgc.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	71 #endif // INCLUDE_ALL_GCS
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	72 #ifdef COMPILER1
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	73 #include "c1/c1_Compiler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	74 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	75
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	76 #ifdef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	77
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	78 #ifndef USDT2
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	79
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	80 HS_DTRACE_PROBE_DECL4(hotspot, class__initialization__required,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	81 char*, intptr_t, oop, intptr_t);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	82 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__recursive,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	83 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	84 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__concurrent,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	85 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	86 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__erroneous,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	87 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	88 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__super__failed,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	89 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	90 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__clinit,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	91 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	92 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__error,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	93 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	94 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	95 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	96
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	97 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	98 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	99 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	100 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	101 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	102 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	103 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	104 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	105 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	106 HS_DTRACE_PROBE4(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	107 data, len, (clss)->class_loader(), thread_type); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	108 }
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	109
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	110 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	111 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	112 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	113 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	114 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	115 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	116 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	117 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	118 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	119 HS_DTRACE_PROBE5(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	120 data, len, (clss)->class_loader(), thread_type, wait); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	121 }
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	122 #else /* USDT2 */
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	123
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	124 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	125 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	126 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	127 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	128 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	129 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	130 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	131 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	132 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	133 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	134 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	135 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	136 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	137 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	138 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	139 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	140 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	141 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	142 data, len, (clss)->class_loader(), thread_type); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	143 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	144
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	145 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	146 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	147 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	148 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	149 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	150 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	151 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	152 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	153 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	154 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	155 data, len, (clss)->class_loader(), thread_type, wait); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	156 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	157 #endif /* USDT2 */
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	158
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	159 #else // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	160
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	161 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	162 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	163
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	164 #endif // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	165
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	166 volatile int InstanceKlass::_total_instanceKlass_count = 0;
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	167
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	168 InstanceKlass* InstanceKlass::allocate_instance_klass(
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	169 ClassLoaderData* loader_data,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	170 int vtable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	171 int itable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	172 int static_field_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	173 int nonstatic_oop_map_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	174 ReferenceType rt,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	175 AccessFlags access_flags,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	176 Symbol* name,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	177 Klass* super_klass,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	178 bool is_anonymous,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	179 TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	180
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	181 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	182 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	183
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	184 // Allocation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	185 InstanceKlass* ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	186 if (rt == REF_NONE) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 if (name == vmSymbols::java_lang_Class()) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	188 ik = new (loader_data, size, THREAD) InstanceMirrorKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	189 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	190 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	191 } else if (name == vmSymbols::java_lang_ClassLoader() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	192 (SystemDictionary::ClassLoader_klass_loaded() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 super_klass != NULL &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	194 super_klass->is_subtype_of(SystemDictionary::ClassLoader_klass()))) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	195 ik = new (loader_data, size, THREAD) InstanceClassLoaderKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	196 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	197 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	198 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	199 // normal class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	200 ik = new (loader_data, size, THREAD) InstanceKlass(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	201 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	202 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	203 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	204 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	205 // reference klass
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	206 ik = new (loader_data, size, THREAD) InstanceRefKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	207 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	208 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	209 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	210
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	211 // Check for pending exception before adding to the loader data and incrementing
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	212 // class count. Can get OOM here.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	213 if (HAS_PENDING_EXCEPTION) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	214 return NULL;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	215 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	216
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	217 // Add all classes to our internal class loader list here,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	218 // including classes in the bootstrap (NULL) class loader.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	219 loader_data->add_class(ik);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	220
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	221 Atomic::inc(&_total_instanceKlass_count);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	222 return ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	223 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	224
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	225
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	226 // copy method ordering from resource area to Metaspace
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	227 void InstanceKlass::copy_method_ordering(intArray* m, TRAPS) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	228 if (m != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	229 // allocate a new array and copy contents (memcpy?)
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	230 _method_ordering = MetadataFactory::new_array<int>(class_loader_data(), m->length(), CHECK);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	231 for (int i = 0; i < m->length(); i++) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	232 _method_ordering->at_put(i, m->at(i));
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	233 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	234 } else {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	235 _method_ordering = Universe::the_empty_int_array();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	236 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	237 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	238
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	239
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	240 InstanceKlass::InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	241 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	242 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	243 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	245 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	246 bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	247 No_Safepoint_Verifier no_safepoint; // until k becomes parsable
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	248
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	249 int iksize = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	250 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	251
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	252 set_vtable_length(vtable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	253 set_itable_length(itable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	254 set_static_field_size(static_field_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	255 set_nonstatic_oop_map_size(nonstatic_oop_map_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	256 set_access_flags(access_flags);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	257 _misc_flags = 0; // initialize to zero
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	258 set_is_anonymous(is_anonymous);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	259 assert(size() == iksize, "wrong size for object");
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	260
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	261 set_array_klasses(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	262 set_methods(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	263 set_method_ordering(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	264 set_local_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	265 set_transitive_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	266 init_implementor();
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	267 set_fields(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	268 set_constants(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	269 set_class_loader_data(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	270 set_protection_domain(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	271 set_signers(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	272 set_source_file_name(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	273 set_source_debug_extension(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	274 set_array_name(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	275 set_inner_classes(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	276 set_static_oop_field_count(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	277 set_nonstatic_field_size(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	278 set_is_marked_dependent(false);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	279 set_init_state(InstanceKlass::allocated);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	280 set_init_thread(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	281 set_init_lock(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	282 set_reference_type(rt);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	283 set_oop_map_cache(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	284 set_jni_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	285 set_osr_nmethods_head(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	286 set_breakpoints(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	287 init_previous_versions();
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	288 set_generic_signature(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	289 release_set_methods_jmethod_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	290 release_set_methods_cached_itable_indices(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	291 set_annotations(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	292 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	293 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	294 _dependencies = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	295 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	296 set_cached_class_file(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	297 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	298 set_minor_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	299 set_major_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	300 NOT_PRODUCT(_verify_count = 0;)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	301
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	302 // initialize the non-header words to zero
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	303 intptr_t* p = (intptr_t*)this;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	304 for (int index = InstanceKlass::header_size(); index < iksize; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	305 p[index] = NULL_WORD;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	306 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	307
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308 // Set temporary value until parseClassFile updates it with the real instance
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	309 // size.
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	310 set_layout_helper(Klass::instance_layout_helper(0, true));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	311 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	312
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	313
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	314 void InstanceKlass::deallocate_methods(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	315 Array<Method> methods) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	316 if (methods != NULL && methods != Universe::the_empty_method_array()) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	317 for (int i = 0; i < methods->length(); i++) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	318 Method* method = methods->at(i);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	319 if (method == NULL) continue; // maybe null if error processing
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	320 // Only want to delete methods that are not executing for RedefineClasses.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	321 // The previous version will point to them so they're not totally dangling
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	322 assert (!method->on_stack(), "shouldn't be called with methods on stack");
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	323 MetadataFactory::free_metadata(loader_data, method);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	324 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	325 MetadataFactory::free_array<Method*>(loader_data, methods);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	326 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	327 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	328
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	329 void InstanceKlass::deallocate_interfaces(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	330 Klass* super_klass,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	331 Array<Klass> local_interfaces,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	332 Array<Klass> transitive_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	333 // Only deallocate transitive interfaces if not empty, same as super class
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	334 // or same as local interfaces. See code in parseClassFile.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	335 Array<Klass> ti = transitive_interfaces;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	336 if (ti != Universe::the_empty_klass_array() && ti != local_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	337 // check that the interfaces don't come from super class
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	338 Array<Klass> sti = (super_klass == NULL) ? NULL :
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	339 InstanceKlass::cast(super_klass)->transitive_interfaces();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	340 if (ti != sti) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	341 MetadataFactory::free_array<Klass*>(loader_data, ti);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	342 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	343 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	344
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	345 // local interfaces can be empty
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	346 if (local_interfaces != Universe::the_empty_klass_array()) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	347 MetadataFactory::free_array<Klass*>(loader_data, local_interfaces);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	348 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	349 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	350
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 // This function deallocates the metadata and C heap pointers that the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352 // InstanceKlass points to.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	353 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	354
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	355 // Orphan the mirror first, CMS thinks it's still live.
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	356 if (java_mirror() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	357 java_lang_Class::set_klass(java_mirror(), NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	358 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	359
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	360 // Need to take this class off the class loader data list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	361 loader_data->remove_class(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	362
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	363 // The array_klass for this class is created later, after error handling.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	364 // For class redefinition, we keep the original class so this scratch class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	365 // doesn't have an array class. Either way, assert that there is nothing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	366 // to deallocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	367 assert(array_klasses() == NULL, "array classes shouldn't be created for this class yet");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	368
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	369 // Release C heap allocated data that this might point to, which includes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	370 // reference counting symbol names.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	371 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	372
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	373 deallocate_methods(loader_data, methods());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	374 set_methods(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	376 if (method_ordering() != Universe::the_empty_int_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	377 MetadataFactory::free_array<int>(loader_data, method_ordering());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379 set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	380
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	381 // This array is in Klass, but remove it with the InstanceKlass since
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	382 // this place would be the only caller and it can share memory with transitive
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	383 // interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	384 if (secondary_supers() != Universe::the_empty_klass_array() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 secondary_supers() != transitive_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	386 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	387 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 set_secondary_supers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	389
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	390 deallocate_interfaces(loader_data, super(), local_interfaces(), transitive_interfaces());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	391 set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392 set_local_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	394 MetadataFactory::free_array<jushort>(loader_data, fields());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	395 set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	396
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	397 // If a method from a redefined class is using this constant pool, don't
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	398 // delete it, yet. The new class's previous version will point to this.
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	399 if (constants() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	400 assert (!constants()->on_stack(), "shouldn't be called if anything is onstack");
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	401 MetadataFactory::free_metadata(loader_data, constants());
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	402 set_constants(NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	403 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	404
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	405 if (inner_classes() != Universe::the_empty_short_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	406 MetadataFactory::free_array<jushort>(loader_data, inner_classes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	408 set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	410 // Null out Java heap objects, although these won't be walked to keep
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	411 // alive once this InstanceKlass is deallocated.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	412 set_protection_domain(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	413 set_signers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	414 set_init_lock(NULL);
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	415
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	416 // We should deallocate the Annotations instance
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	417 MetadataFactory::free_metadata(loader_data, annotations());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	418 set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	419 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	420
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	421 volatile oop InstanceKlass::init_lock() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	422 volatile oop lock = _init_lock; // read once
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	423 assert((oop)lock != NULL \|\| !is_not_initialized(), // initialized or in_error state
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	424 "only fully initialized state can have a null lock");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	425 return lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	426 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	427
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	428 // Set the initialization lock to null so the object can be GC'ed. Any racing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	429 // threads to get this lock will see a null lock and will not lock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 // That's okay because they all check for initialized state after getting
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	431 // the lock and return.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	432 void InstanceKlass::fence_and_clear_init_lock() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	433 // make sure previous stores are all done, notably the init_state.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	434 OrderAccess::storestore();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	435 klass_oop_store(&_init_lock, NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	436 assert(!is_not_initialized(), "class must be initialized now");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	437 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	438
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	439
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	440 bool InstanceKlass::should_be_initialized() const {
0 a61af66fc99e Initial load duke parents: diff changeset	441 return !is_initialized();
a61af66fc99e Initial load duke parents: diff changeset	442 }
a61af66fc99e Initial load duke parents: diff changeset	443
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	444 klassVtable* InstanceKlass::vtable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	445 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size());
0 a61af66fc99e Initial load duke parents: diff changeset	446 }
a61af66fc99e Initial load duke parents: diff changeset	447
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	448 klassItable* InstanceKlass::itable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	449 return new klassItable(instanceKlassHandle(this));
0 a61af66fc99e Initial load duke parents: diff changeset	450 }
a61af66fc99e Initial load duke parents: diff changeset	451
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	452 void InstanceKlass::eager_initialize(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	453 if (!EagerInitialization) return;
a61af66fc99e Initial load duke parents: diff changeset	454
a61af66fc99e Initial load duke parents: diff changeset	455 if (this->is_not_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	456 // abort if the the class has a class initializer
a61af66fc99e Initial load duke parents: diff changeset	457 if (this->class_initializer() != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	458
a61af66fc99e Initial load duke parents: diff changeset	459 // abort if it is java.lang.Object (initialization is handled in genesis)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	460 Klass* super = this->super();
0 a61af66fc99e Initial load duke parents: diff changeset	461 if (super == NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	462
a61af66fc99e Initial load duke parents: diff changeset	463 // abort if the super class should be initialized
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	464 if (!InstanceKlass::cast(super)->is_initialized()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	465
a61af66fc99e Initial load duke parents: diff changeset	466 // call body to expose the this pointer
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	467 instanceKlassHandle this_oop(thread, this);
0 a61af66fc99e Initial load duke parents: diff changeset	468 eager_initialize_impl(this_oop);
a61af66fc99e Initial load duke parents: diff changeset	469 }
a61af66fc99e Initial load duke parents: diff changeset	470 }
a61af66fc99e Initial load duke parents: diff changeset	471
a61af66fc99e Initial load duke parents: diff changeset	472
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	473 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) {
0 a61af66fc99e Initial load duke parents: diff changeset	474 EXCEPTION_MARK;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	475 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	476 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	477
a61af66fc99e Initial load duke parents: diff changeset	478 // abort if someone beat us to the initialization
a61af66fc99e Initial load duke parents: diff changeset	479 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	480
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	481 ClassState old_state = this_oop->init_state();
0 a61af66fc99e Initial load duke parents: diff changeset	482 link_class_impl(this_oop, true, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	483 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	484 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	485 // Abort if linking the class throws an exception.
a61af66fc99e Initial load duke parents: diff changeset	486
a61af66fc99e Initial load duke parents: diff changeset	487 // Use a test to avoid redundantly resetting the state if there's
a61af66fc99e Initial load duke parents: diff changeset	488 // no change. Set_init_state() asserts that state changes make
a61af66fc99e Initial load duke parents: diff changeset	489 // progress, whereas here we might just be spinning in place.
a61af66fc99e Initial load duke parents: diff changeset	490 if( old_state != this_oop->_init_state )
a61af66fc99e Initial load duke parents: diff changeset	491 this_oop->set_init_state (old_state);
a61af66fc99e Initial load duke parents: diff changeset	492 } else {
a61af66fc99e Initial load duke parents: diff changeset	493 // linking successfull, mark class as initialized
a61af66fc99e Initial load duke parents: diff changeset	494 this_oop->set_init_state (fully_initialized);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	495 this_oop->fence_and_clear_init_lock();
0 a61af66fc99e Initial load duke parents: diff changeset	496 // trace
a61af66fc99e Initial load duke parents: diff changeset	497 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	498 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	499 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name());
a61af66fc99e Initial load duke parents: diff changeset	500 }
a61af66fc99e Initial load duke parents: diff changeset	501 }
a61af66fc99e Initial load duke parents: diff changeset	502 }
a61af66fc99e Initial load duke parents: diff changeset	503
a61af66fc99e Initial load duke parents: diff changeset	504
a61af66fc99e Initial load duke parents: diff changeset	505 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization
a61af66fc99e Initial load duke parents: diff changeset	506 // process. The step comments refers to the procedure described in that section.
a61af66fc99e Initial load duke parents: diff changeset	507 // Note: implementation moved to static method to expose the this pointer.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	508 void InstanceKlass::initialize(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	509 if (this->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	510 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	511 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	512 initialize_impl(this_oop, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	513 // Note: at this point the class may be initialized
a61af66fc99e Initial load duke parents: diff changeset	514 // OR it may be in the state of being initialized
a61af66fc99e Initial load duke parents: diff changeset	515 // in case of recursive initialization!
a61af66fc99e Initial load duke parents: diff changeset	516 } else {
a61af66fc99e Initial load duke parents: diff changeset	517 assert(is_initialized(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	518 }
a61af66fc99e Initial load duke parents: diff changeset	519 }
a61af66fc99e Initial load duke parents: diff changeset	520
a61af66fc99e Initial load duke parents: diff changeset	521
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	522 bool InstanceKlass::verify_code(
0 a61af66fc99e Initial load duke parents: diff changeset	523 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	524 // 1) Verify the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	525 Verifier::Mode mode =
a61af66fc99e Initial load duke parents: diff changeset	526 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 964 diff changeset	527 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	528 }
a61af66fc99e Initial load duke parents: diff changeset	529
a61af66fc99e Initial load duke parents: diff changeset	530
a61af66fc99e Initial load duke parents: diff changeset	531 // Used exclusively by the shared spaces dump mechanism to prevent
a61af66fc99e Initial load duke parents: diff changeset	532 // classes mapped into the shared regions in new VMs from appearing linked.
a61af66fc99e Initial load duke parents: diff changeset	533
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	534 void InstanceKlass::unlink_class() {
0 a61af66fc99e Initial load duke parents: diff changeset	535 assert(is_linked(), "must be linked");
a61af66fc99e Initial load duke parents: diff changeset	536 _init_state = loaded;
a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	539 void InstanceKlass::link_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	540 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	541 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	542 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	543 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	544 link_class_impl(this_oop, true, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	545 }
a61af66fc99e Initial load duke parents: diff changeset	546 }
a61af66fc99e Initial load duke parents: diff changeset	547
a61af66fc99e Initial load duke parents: diff changeset	548 // Called to verify that a class can link during initialization, without
a61af66fc99e Initial load duke parents: diff changeset	549 // throwing a VerifyError.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	550 bool InstanceKlass::link_class_or_fail(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	551 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	552 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	553 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	554 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	555 link_class_impl(this_oop, false, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	556 }
a61af66fc99e Initial load duke parents: diff changeset	557 return is_linked();
a61af66fc99e Initial load duke parents: diff changeset	558 }
a61af66fc99e Initial load duke parents: diff changeset	559
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	560 bool InstanceKlass::link_class_impl(
0 a61af66fc99e Initial load duke parents: diff changeset	561 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	562 // check for error state
a61af66fc99e Initial load duke parents: diff changeset	563 if (this_oop->is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	564 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	565 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(),
a61af66fc99e Initial load duke parents: diff changeset	566 this_oop->external_name(), false);
a61af66fc99e Initial load duke parents: diff changeset	567 }
a61af66fc99e Initial load duke parents: diff changeset	568 // return if already verified
a61af66fc99e Initial load duke parents: diff changeset	569 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	570 return true;
a61af66fc99e Initial load duke parents: diff changeset	571 }
a61af66fc99e Initial load duke parents: diff changeset	572
a61af66fc99e Initial load duke parents: diff changeset	573 // Timing
a61af66fc99e Initial load duke parents: diff changeset	574 // timer handles recursion
a61af66fc99e Initial load duke parents: diff changeset	575 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl");
a61af66fc99e Initial load duke parents: diff changeset	576 JavaThread* jt = (JavaThread*)THREAD;
a61af66fc99e Initial load duke parents: diff changeset	577
a61af66fc99e Initial load duke parents: diff changeset	578 // link super class before linking this class
a61af66fc99e Initial load duke parents: diff changeset	579 instanceKlassHandle super(THREAD, this_oop->super());
a61af66fc99e Initial load duke parents: diff changeset	580 if (super.not_null()) {
a61af66fc99e Initial load duke parents: diff changeset	581 if (super->is_interface()) { // check if super class is an interface
a61af66fc99e Initial load duke parents: diff changeset	582 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	583 Exceptions::fthrow(
a61af66fc99e Initial load duke parents: diff changeset	584 THREAD_AND_LOCATION,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	585 vmSymbols::java_lang_IncompatibleClassChangeError(),
0 a61af66fc99e Initial load duke parents: diff changeset	586 "class %s has interface %s as super class",
a61af66fc99e Initial load duke parents: diff changeset	587 this_oop->external_name(),
a61af66fc99e Initial load duke parents: diff changeset	588 super->external_name()
a61af66fc99e Initial load duke parents: diff changeset	589 );
a61af66fc99e Initial load duke parents: diff changeset	590 return false;
a61af66fc99e Initial load duke parents: diff changeset	591 }
a61af66fc99e Initial load duke parents: diff changeset	592
a61af66fc99e Initial load duke parents: diff changeset	593 link_class_impl(super, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	594 }
a61af66fc99e Initial load duke parents: diff changeset	595
a61af66fc99e Initial load duke parents: diff changeset	596 // link all interfaces implemented by this class before linking this class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	597 Array<Klass> interfaces = this_oop->local_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	598 int num_interfaces = interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	599 for (int index = 0; index < num_interfaces; index++) {
a61af66fc99e Initial load duke parents: diff changeset	600 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	601 instanceKlassHandle ih(THREAD, interfaces->at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	602 link_class_impl(ih, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	603 }
a61af66fc99e Initial load duke parents: diff changeset	604
a61af66fc99e Initial load duke parents: diff changeset	605 // in case the class is linked in the process of linking its superclasses
a61af66fc99e Initial load duke parents: diff changeset	606 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	607 return true;
a61af66fc99e Initial load duke parents: diff changeset	608 }
a61af66fc99e Initial load duke parents: diff changeset	609
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	610 // trace only the link time for this klass that includes
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	611 // the verification time
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	612 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	613 ClassLoader::perf_class_link_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	614 ClassLoader::perf_classes_linked(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	615 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	616 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	617 PerfClassTraceTime::CLASS_LINK);
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	618
0 a61af66fc99e Initial load duke parents: diff changeset	619 // verification & rewriting
a61af66fc99e Initial load duke parents: diff changeset	620 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	621 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	622 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	623 // rewritten will have been set if loader constraint error found
a61af66fc99e Initial load duke parents: diff changeset	624 // on an earlier link attempt
a61af66fc99e Initial load duke parents: diff changeset	625 // don't verify or rewrite if already rewritten
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	626
0 a61af66fc99e Initial load duke parents: diff changeset	627 if (!this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	628 if (!this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	629 {
a61af66fc99e Initial load duke parents: diff changeset	630 // Timer includes any side effects of class verification (resolution,
a61af66fc99e Initial load duke parents: diff changeset	631 // etc), but not recursive entry into verify_code().
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	632 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	633 ClassLoader::perf_class_verify_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	634 ClassLoader::perf_classes_verified(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	635 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	636 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	637 PerfClassTraceTime::CLASS_VERIFY);
0 a61af66fc99e Initial load duke parents: diff changeset	638 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	639 if (!verify_ok) {
a61af66fc99e Initial load duke parents: diff changeset	640 return false;
a61af66fc99e Initial load duke parents: diff changeset	641 }
a61af66fc99e Initial load duke parents: diff changeset	642 }
a61af66fc99e Initial load duke parents: diff changeset	643
a61af66fc99e Initial load duke parents: diff changeset	644 // Just in case a side-effect of verify linked this class already
a61af66fc99e Initial load duke parents: diff changeset	645 // (which can sometimes happen since the verifier loads classes
a61af66fc99e Initial load duke parents: diff changeset	646 // using custom class loaders, which are free to initialize things)
a61af66fc99e Initial load duke parents: diff changeset	647 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	648 return true;
a61af66fc99e Initial load duke parents: diff changeset	649 }
a61af66fc99e Initial load duke parents: diff changeset	650
a61af66fc99e Initial load duke parents: diff changeset	651 // also sets rewritten
a61af66fc99e Initial load duke parents: diff changeset	652 this_oop->rewrite_class(CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	653 }
a61af66fc99e Initial load duke parents: diff changeset	654
3404 2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	655 // relocate jsrs and link methods after they are all rewritten
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	656 this_oop->link_methods(CHECK_false);
3404 2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	657
0 a61af66fc99e Initial load duke parents: diff changeset	658 // Initialize the vtable and interface table after
a61af66fc99e Initial load duke parents: diff changeset	659 // methods have been rewritten since rewrite may
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	660 // fabricate new Method*s.
0 a61af66fc99e Initial load duke parents: diff changeset	661 // also does loader constraint checking
a61af66fc99e Initial load duke parents: diff changeset	662 if (!this_oop()->is_shared()) {
a61af66fc99e Initial load duke parents: diff changeset	663 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	664 this_oop->vtable()->initialize_vtable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	665 this_oop->itable()->initialize_itable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	666 }
a61af66fc99e Initial load duke parents: diff changeset	667 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	668 else {
a61af66fc99e Initial load duke parents: diff changeset	669 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	670 this_oop->vtable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	671 // In case itable verification is ever added.
a61af66fc99e Initial load duke parents: diff changeset	672 // this_oop->itable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	673 }
a61af66fc99e Initial load duke parents: diff changeset	674 #endif
a61af66fc99e Initial load duke parents: diff changeset	675 this_oop->set_init_state(linked);
a61af66fc99e Initial load duke parents: diff changeset	676 if (JvmtiExport::should_post_class_prepare()) {
a61af66fc99e Initial load duke parents: diff changeset	677 Thread *thread = THREAD;
a61af66fc99e Initial load duke parents: diff changeset	678 assert(thread->is_Java_thread(), "thread->is_Java_thread()");
a61af66fc99e Initial load duke parents: diff changeset	679 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop());
a61af66fc99e Initial load duke parents: diff changeset	680 }
a61af66fc99e Initial load duke parents: diff changeset	681 }
a61af66fc99e Initial load duke parents: diff changeset	682 }
a61af66fc99e Initial load duke parents: diff changeset	683 return true;
a61af66fc99e Initial load duke parents: diff changeset	684 }
a61af66fc99e Initial load duke parents: diff changeset	685
a61af66fc99e Initial load duke parents: diff changeset	686
a61af66fc99e Initial load duke parents: diff changeset	687 // Rewrite the byte codes of all of the methods of a class.
a61af66fc99e Initial load duke parents: diff changeset	688 // The rewriter must be called exactly once. Rewriting must happen after
a61af66fc99e Initial load duke parents: diff changeset	689 // verification but before the first method of the class is executed.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	690 void InstanceKlass::rewrite_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	691 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	692 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	693 if (this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	694 assert(this_oop()->is_shared(), "rewriting an unshared class?");
a61af66fc99e Initial load duke parents: diff changeset	695 return;
a61af66fc99e Initial load duke parents: diff changeset	696 }
3404 2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	697 Rewriter::rewrite(this_oop, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	698 this_oop->set_rewritten();
a61af66fc99e Initial load duke parents: diff changeset	699 }
a61af66fc99e Initial load duke parents: diff changeset	700
3404 2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	701 // Now relocate and link method entry points after class is rewritten.
2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	702 // This is outside is_rewritten flag. In case of an exception, it can be
2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	703 // executed more than once.
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	704 void InstanceKlass::link_methods(TRAPS) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	705 int len = methods()->length();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	706 for (int i = len-1; i >= 0; i--) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	707 methodHandle m(THREAD, methods()->at(i));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	708
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	709 // Set up method entry points for compiler and interpreter .
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	710 m->link_method(m, CHECK);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	711
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	712 // This is for JVMTI and unrelated to relocator but the last thing we do
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	713 #ifdef ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	714 if (StressMethodComparator) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	715 ResourceMark rm(THREAD);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	716 static int nmc = 0;
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	717 for (int j = i; j >= 0 && j >= i-4; j--) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	718 if ((++nmc % 1000) == 0) tty->print_cr("Have run MethodComparator %d times...", nmc);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	719 bool z = MethodComparator::methods_EMCP(m(),
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	720 methods()->at(j));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	721 if (j == i && !z) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	722 tty->print("MethodComparator FAIL: "); m->print(); m->print_codes();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	723 assert(z, "method must compare equal to itself");
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	724 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	725 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	726 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	727 #endif //ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	728 }
3404 2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	729 }
2d4b2b833d29 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	730
0 a61af66fc99e Initial load duke parents: diff changeset	731
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	732 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	733 // Make sure klass is linked (verified) before initialization
a61af66fc99e Initial load duke parents: diff changeset	734 // A class could already be verified, since it has been reflected upon.
a61af66fc99e Initial load duke parents: diff changeset	735 this_oop->link_class(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	736
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	737 DTRACE_CLASSINIT_PROBE(required, InstanceKlass::cast(this_oop()), -1);
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	738
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	739 bool wait = false;
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	740
0 a61af66fc99e Initial load duke parents: diff changeset	741 // refer to the JVM book page 47 for description of steps
a61af66fc99e Initial load duke parents: diff changeset	742 // Step 1
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	743 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	744 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	745 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	746
a61af66fc99e Initial load duke parents: diff changeset	747 Thread *self = THREAD; // it's passed the current thread
a61af66fc99e Initial load duke parents: diff changeset	748
a61af66fc99e Initial load duke parents: diff changeset	749 // Step 2
a61af66fc99e Initial load duke parents: diff changeset	750 // If we were to use wait() instead of waitInterruptibly() then
a61af66fc99e Initial load duke parents: diff changeset	751 // we might end up throwing IE from link/symbol resolution sites
a61af66fc99e Initial load duke parents: diff changeset	752 // that aren't expected to throw. This would wreak havoc. See 6320309.
a61af66fc99e Initial load duke parents: diff changeset	753 while(this_oop->is_being_initialized() && !this_oop->is_reentrant_initialization(self)) {
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	754 wait = true;
0 a61af66fc99e Initial load duke parents: diff changeset	755 ol.waitUninterruptibly(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	756 }
a61af66fc99e Initial load duke parents: diff changeset	757
a61af66fc99e Initial load duke parents: diff changeset	758 // Step 3
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	759 if (this_oop->is_being_initialized() && this_oop->is_reentrant_initialization(self)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	760 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	761 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	762 }
0 a61af66fc99e Initial load duke parents: diff changeset	763
a61af66fc99e Initial load duke parents: diff changeset	764 // Step 4
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	765 if (this_oop->is_initialized()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	766 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	767 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	768 }
0 a61af66fc99e Initial load duke parents: diff changeset	769
a61af66fc99e Initial load duke parents: diff changeset	770 // Step 5
a61af66fc99e Initial load duke parents: diff changeset	771 if (this_oop->is_in_error_state()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	772 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	773 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	774 const char* desc = "Could not initialize class ";
a61af66fc99e Initial load duke parents: diff changeset	775 const char* className = this_oop->external_name();
a61af66fc99e Initial load duke parents: diff changeset	776 size_t msglen = strlen(desc) + strlen(className) + 1;
1751 2528b5bd749c 6980262: Memory leak when exception is thrown in static initializer kamg parents: 1706 diff changeset	777 char* message = NEW_RESOURCE_ARRAY(char, msglen);
0 a61af66fc99e Initial load duke parents: diff changeset	778 if (NULL == message) {
a61af66fc99e Initial load duke parents: diff changeset	779 // Out of memory: can't create detailed error message
a61af66fc99e Initial load duke parents: diff changeset	780 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className);
a61af66fc99e Initial load duke parents: diff changeset	781 } else {
a61af66fc99e Initial load duke parents: diff changeset	782 jio_snprintf(message, msglen, "%s%s", desc, className);
a61af66fc99e Initial load duke parents: diff changeset	783 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message);
a61af66fc99e Initial load duke parents: diff changeset	784 }
a61af66fc99e Initial load duke parents: diff changeset	785 }
a61af66fc99e Initial load duke parents: diff changeset	786
a61af66fc99e Initial load duke parents: diff changeset	787 // Step 6
a61af66fc99e Initial load duke parents: diff changeset	788 this_oop->set_init_state(being_initialized);
a61af66fc99e Initial load duke parents: diff changeset	789 this_oop->set_init_thread(self);
a61af66fc99e Initial load duke parents: diff changeset	790 }
a61af66fc99e Initial load duke parents: diff changeset	791
a61af66fc99e Initial load duke parents: diff changeset	792 // Step 7
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	793 Klass* super_klass = this_oop->super();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	794 if (super_klass != NULL && !this_oop->is_interface() && super_klass->should_be_initialized()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	795 super_klass->initialize(THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	796
a61af66fc99e Initial load duke parents: diff changeset	797 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	798 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	799 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	800 {
a61af66fc99e Initial load duke parents: diff changeset	801 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	802 this_oop->set_initialization_state_and_notify(initialization_error, THREAD); // Locks object, set state, and notify all waiting threads
a61af66fc99e Initial load duke parents: diff changeset	803 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	804 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	805 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	806 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	807 }
a61af66fc99e Initial load duke parents: diff changeset	808 }
a61af66fc99e Initial load duke parents: diff changeset	809
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	810 if (this_oop->has_default_methods()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	811 // Step 7.5: initialize any interfaces which have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	812 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	813 Klass* iface = this_oop->local_interfaces()->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	814 InstanceKlass* ik = InstanceKlass::cast(iface);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	815 if (ik->has_default_methods() && ik->should_be_initialized()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	816 ik->initialize(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	817
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	818 if (HAS_PENDING_EXCEPTION) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	819 Handle e(THREAD, PENDING_EXCEPTION);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	820 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	821 {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	822 EXCEPTION_MARK;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	823 // Locks object, set state, and notify all waiting threads
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	824 this_oop->set_initialization_state_and_notify(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	825 initialization_error, THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	826
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	827 // ignore any exception thrown, superclass initialization error is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	828 // thrown below
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	829 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	830 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	831 DTRACE_CLASSINIT_PROBE_WAIT(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	832 super__failed, InstanceKlass::cast(this_oop()), -1, wait);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	833 THROW_OOP(e());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	834 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	835 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	836 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	837 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	838
0 a61af66fc99e Initial load duke parents: diff changeset	839 // Step 8
a61af66fc99e Initial load duke parents: diff changeset	840 {
a61af66fc99e Initial load duke parents: diff changeset	841 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl");
a61af66fc99e Initial load duke parents: diff changeset	842 JavaThread* jt = (JavaThread*)THREAD;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	843 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	844 // Timer includes any side effects of class initialization (resolution,
a61af66fc99e Initial load duke parents: diff changeset	845 // etc), but not recursive entry into call_class_initializer().
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	846 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	847 ClassLoader::perf_class_init_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	848 ClassLoader::perf_classes_inited(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	849 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	850 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	851 PerfClassTraceTime::CLASS_CLINIT);
0 a61af66fc99e Initial load duke parents: diff changeset	852 this_oop->call_class_initializer(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	853 }
a61af66fc99e Initial load duke parents: diff changeset	854
a61af66fc99e Initial load duke parents: diff changeset	855 // Step 9
a61af66fc99e Initial load duke parents: diff changeset	856 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	857 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	858 { ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	859 debug_only(this_oop->vtable()->verify(tty, true);)
a61af66fc99e Initial load duke parents: diff changeset	860 }
a61af66fc99e Initial load duke parents: diff changeset	861 }
a61af66fc99e Initial load duke parents: diff changeset	862 else {
a61af66fc99e Initial load duke parents: diff changeset	863 // Step 10 and 11
a61af66fc99e Initial load duke parents: diff changeset	864 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	865 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	866 {
a61af66fc99e Initial load duke parents: diff changeset	867 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	868 this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	869 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	870 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	871 DTRACE_CLASSINIT_PROBE_WAIT(error, InstanceKlass::cast(this_oop()), -1,wait);
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1039 diff changeset	872 if (e->is_a(SystemDictionary::Error_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	873 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	874 } else {
a61af66fc99e Initial load duke parents: diff changeset	875 JavaCallArguments args(e);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	876 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	877 vmSymbols::throwable_void_signature(),
0 a61af66fc99e Initial load duke parents: diff changeset	878 &args);
a61af66fc99e Initial load duke parents: diff changeset	879 }
a61af66fc99e Initial load duke parents: diff changeset	880 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	881 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	882 }
a61af66fc99e Initial load duke parents: diff changeset	883
a61af66fc99e Initial load duke parents: diff changeset	884
a61af66fc99e Initial load duke parents: diff changeset	885 // Note: implementation moved to static method to expose the this pointer.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	886 void InstanceKlass::set_initialization_state_and_notify(ClassState state, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	887 instanceKlassHandle kh(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	888 set_initialization_state_and_notify_impl(kh, state, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	889 }
a61af66fc99e Initial load duke parents: diff changeset	890
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	891 void InstanceKlass::set_initialization_state_and_notify_impl(instanceKlassHandle this_oop, ClassState state, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	892 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	893 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	894 this_oop->set_init_state(state);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	895 this_oop->fence_and_clear_init_lock();
0 a61af66fc99e Initial load duke parents: diff changeset	896 ol.notify_all(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	897 }
a61af66fc99e Initial load duke parents: diff changeset	898
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	899 // The embedded _implementor field can only record one implementor.
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	900 // When there are more than one implementors, the _implementor field
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	901 // is set to the interface Klass* itself. Following are the possible
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	902 // values for the _implementor field:
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	903 // NULL - no implementor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	904 // implementor Klass* - one implementor
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	905 // self - more than one implementor
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	906 //
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	907 // The _implementor field only exists for interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	908 void InstanceKlass::add_implementor(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	909 assert(Compile_lock->owned_by_self(), "");
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	910 assert(is_interface(), "not interface");
0 a61af66fc99e Initial load duke parents: diff changeset	911 // Filter out my subinterfaces.
a61af66fc99e Initial load duke parents: diff changeset	912 // (Note: Interfaces are never on the subklass list.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	913 if (InstanceKlass::cast(k)->is_interface()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	914
a61af66fc99e Initial load duke parents: diff changeset	915 // Filter out subclasses whose supers already implement me.
a61af66fc99e Initial load duke parents: diff changeset	916 // (Note: CHA must walk subclasses of direct implementors
a61af66fc99e Initial load duke parents: diff changeset	917 // in order to locate indirect implementors.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	918 Klass* sk = InstanceKlass::cast(k)->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	919 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this))
0 a61af66fc99e Initial load duke parents: diff changeset	920 // We only need to check one immediate superclass, since the
a61af66fc99e Initial load duke parents: diff changeset	921 // implements_interface query looks at transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	922 // Any supers of the super have the same (or fewer) transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	923 return;
a61af66fc99e Initial load duke parents: diff changeset	924
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	925 Klass* ik = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	926 if (ik == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	927 set_implementor(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	928 } else if (ik != this) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	929 // There is already an implementor. Use itself as an indicator of
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	930 // more than one implementors.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	931 set_implementor(this);
0 a61af66fc99e Initial load duke parents: diff changeset	932 }
a61af66fc99e Initial load duke parents: diff changeset	933
a61af66fc99e Initial load duke parents: diff changeset	934 // The implementor also implements the transitive_interfaces
a61af66fc99e Initial load duke parents: diff changeset	935 for (int index = 0; index < local_interfaces()->length(); index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	936 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k);
0 a61af66fc99e Initial load duke parents: diff changeset	937 }
a61af66fc99e Initial load duke parents: diff changeset	938 }
a61af66fc99e Initial load duke parents: diff changeset	939
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	940 void InstanceKlass::init_implementor() {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	941 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	942 set_implementor(NULL);
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	943 }
0 a61af66fc99e Initial load duke parents: diff changeset	944 }
a61af66fc99e Initial load duke parents: diff changeset	945
a61af66fc99e Initial load duke parents: diff changeset	946
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	947 void InstanceKlass::process_interfaces(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	948 // link this class into the implementors list of every interface it implements
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	949 Klass* this_as_klass_oop = this;
0 a61af66fc99e Initial load duke parents: diff changeset	950 for (int i = local_interfaces()->length() - 1; i >= 0; i--) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	951 assert(local_interfaces()->at(i)->is_klass(), "must be a klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	952 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	953 assert(interf->is_interface(), "expected interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	954 interf->add_implementor(this_as_klass_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	955 }
a61af66fc99e Initial load duke parents: diff changeset	956 }
a61af66fc99e Initial load duke parents: diff changeset	957
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	958 bool InstanceKlass::can_be_primary_super_slow() const {
0 a61af66fc99e Initial load duke parents: diff changeset	959 if (is_interface())
a61af66fc99e Initial load duke parents: diff changeset	960 return false;
a61af66fc99e Initial load duke parents: diff changeset	961 else
a61af66fc99e Initial load duke parents: diff changeset	962 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	963 }
a61af66fc99e Initial load duke parents: diff changeset	964
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	965 GrowableArray<Klass> InstanceKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	966 // The secondaries are the implemented interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	967 InstanceKlass* ik = InstanceKlass::cast(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	968 Array<Klass> interfaces = ik->transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	969 int num_secondaries = num_extra_slots + interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	970 if (num_secondaries == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	971 // Must share this for correct bootstrapping!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	972 set_secondary_supers(Universe::the_empty_klass_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	973 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	974 } else if (num_extra_slots == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	975 // The secondary super list is exactly the same as the transitive interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	976 // Redefine classes has to be careful not to delete this!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	977 set_secondary_supers(interfaces);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	978 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	979 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	980 // Copy transitive interfaces to a temporary growable array to be constructed
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	981 // into the secondary super list with extra slots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	982 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(interfaces->length());
0 a61af66fc99e Initial load duke parents: diff changeset	983 for (int i = 0; i < interfaces->length(); i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	984 secondaries->push(interfaces->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	985 }
a61af66fc99e Initial load duke parents: diff changeset	986 return secondaries;
a61af66fc99e Initial load duke parents: diff changeset	987 }
a61af66fc99e Initial load duke parents: diff changeset	988 }
a61af66fc99e Initial load duke parents: diff changeset	989
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	990 bool InstanceKlass::compute_is_subtype_of(Klass* k) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	991 if (k->is_interface()) {
0 a61af66fc99e Initial load duke parents: diff changeset	992 return implements_interface(k);
a61af66fc99e Initial load duke parents: diff changeset	993 } else {
a61af66fc99e Initial load duke parents: diff changeset	994 return Klass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	995 }
a61af66fc99e Initial load duke parents: diff changeset	996 }
a61af66fc99e Initial load duke parents: diff changeset	997
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	998 bool InstanceKlass::implements_interface(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	999 if (this == k) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1000 assert(k->is_interface(), "should be an interface class");
0 a61af66fc99e Initial load duke parents: diff changeset	1001 for (int i = 0; i < transitive_interfaces()->length(); i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1002 if (transitive_interfaces()->at(i) == k) {
0 a61af66fc99e Initial load duke parents: diff changeset	1003 return true;
a61af66fc99e Initial load duke parents: diff changeset	1004 }
a61af66fc99e Initial load duke parents: diff changeset	1005 }
a61af66fc99e Initial load duke parents: diff changeset	1006 return false;
a61af66fc99e Initial load duke parents: diff changeset	1007 }
a61af66fc99e Initial load duke parents: diff changeset	1008
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1009 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1010 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	1011 if (length > arrayOopDesc::max_array_length(T_OBJECT)) {
876 1413494da700 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit martin parents: 875 diff changeset	1012 report_java_out_of_memory("Requested array size exceeds VM limit");
5935 a735aec54ea4 7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02 sspitsyn parents: 4739 diff changeset	1013 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	1014 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	1015 }
a61af66fc99e Initial load duke parents: diff changeset	1016 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1017 Klass* ak = array_klass(n, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1018 KlassHandle h_ak (THREAD, ak);
a61af66fc99e Initial load duke parents: diff changeset	1019 objArrayOop o =
a61af66fc99e Initial load duke parents: diff changeset	1020 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1021 return o;
a61af66fc99e Initial load duke parents: diff changeset	1022 }
a61af66fc99e Initial load duke parents: diff changeset	1023
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1024 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1025 if (TraceFinalizerRegistration) {
a61af66fc99e Initial load duke parents: diff changeset	1026 tty->print("Registered ");
a61af66fc99e Initial load duke parents: diff changeset	1027 i->print_value_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	1028 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i);
a61af66fc99e Initial load duke parents: diff changeset	1029 }
a61af66fc99e Initial load duke parents: diff changeset	1030 instanceHandle h_i(THREAD, i);
a61af66fc99e Initial load duke parents: diff changeset	1031 // Pass the handle as argument, JavaCalls::call expects oop as jobjects
a61af66fc99e Initial load duke parents: diff changeset	1032 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1033 JavaCallArguments args(h_i);
a61af66fc99e Initial load duke parents: diff changeset	1034 methodHandle mh (THREAD, Universe::finalizer_register_method());
a61af66fc99e Initial load duke parents: diff changeset	1035 JavaCalls::call(&result, mh, &args, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1036 return h_i();
a61af66fc99e Initial load duke parents: diff changeset	1037 }
a61af66fc99e Initial load duke parents: diff changeset	1038
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1039 instanceOop InstanceKlass::allocate_instance(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1040 bool has_finalizer_flag = has_finalizer(); // Query before possible GC
a61af66fc99e Initial load duke parents: diff changeset	1041 int size = size_helper(); // Query before forming handle.
a61af66fc99e Initial load duke parents: diff changeset	1042
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1043 KlassHandle h_k(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1044
a61af66fc99e Initial load duke parents: diff changeset	1045 instanceOop i;
a61af66fc99e Initial load duke parents: diff changeset	1046
a61af66fc99e Initial load duke parents: diff changeset	1047 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1048 if (has_finalizer_flag && !RegisterFinalizersAtInit) {
a61af66fc99e Initial load duke parents: diff changeset	1049 i = register_finalizer(i, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1050 }
a61af66fc99e Initial load duke parents: diff changeset	1051 return i;
a61af66fc99e Initial load duke parents: diff changeset	1052 }
a61af66fc99e Initial load duke parents: diff changeset	1053
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1054 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1055 if (is_interface() \|\| is_abstract()) {
a61af66fc99e Initial load duke parents: diff changeset	1056 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1057 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
a61af66fc99e Initial load duke parents: diff changeset	1058 : vmSymbols::java_lang_InstantiationException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1059 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1060 if (this == SystemDictionary::Class_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1061 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1062 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
a61af66fc99e Initial load duke parents: diff changeset	1063 : vmSymbols::java_lang_IllegalAccessException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1064 }
a61af66fc99e Initial load duke parents: diff changeset	1065 }
a61af66fc99e Initial load duke parents: diff changeset	1066
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1067 Klass* InstanceKlass::array_klass_impl(bool or_null, int n, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1068 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1069 return array_klass_impl(this_oop, or_null, n, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1070 }
a61af66fc99e Initial load duke parents: diff changeset	1071
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1072 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1073 if (this_oop->array_klasses() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1074 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1075
a61af66fc99e Initial load duke parents: diff changeset	1076 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1077 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	1078 {
a61af66fc99e Initial load duke parents: diff changeset	1079 // Atomic creation of array_klasses
a61af66fc99e Initial load duke parents: diff changeset	1080 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	1081 MutexLocker ma(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1082
a61af66fc99e Initial load duke parents: diff changeset	1083 // Check if update has already taken place
a61af66fc99e Initial load duke parents: diff changeset	1084 if (this_oop->array_klasses() == NULL) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1085 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1086 this_oop->set_array_klasses(k);
a61af66fc99e Initial load duke parents: diff changeset	1087 }
a61af66fc99e Initial load duke parents: diff changeset	1088 }
a61af66fc99e Initial load duke parents: diff changeset	1089 }
a61af66fc99e Initial load duke parents: diff changeset	1090 // _this will always be set at this point
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1091 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses();
0 a61af66fc99e Initial load duke parents: diff changeset	1092 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	1093 return oak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	1094 }
a61af66fc99e Initial load duke parents: diff changeset	1095 return oak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1096 }
a61af66fc99e Initial load duke parents: diff changeset	1097
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1098 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1099 return array_klass_impl(or_null, 1, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1100 }
a61af66fc99e Initial load duke parents: diff changeset	1101
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1102 void InstanceKlass::call_class_initializer(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1103 instanceKlassHandle ik (THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1104 call_class_initializer_impl(ik, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1105 }
a61af66fc99e Initial load duke parents: diff changeset	1106
a61af66fc99e Initial load duke parents: diff changeset	1107 static int call_class_initializer_impl_counter = 0; // for debugging
a61af66fc99e Initial load duke parents: diff changeset	1108
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1109 Method* InstanceKlass::class_initializer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1110 Method* clinit = find_method(
2334 dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1111 vmSymbols::class_initializer_name(), vmSymbols::void_method_signature());
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1112 if (clinit != NULL && clinit->has_valid_initializer_flags()) {
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1113 return clinit;
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1114 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1115 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1116 }
a61af66fc99e Initial load duke parents: diff changeset	1117
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1118 void InstanceKlass::call_class_initializer_impl(instanceKlassHandle this_oop, TRAPS) {
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1119 if (ReplayCompiles &&
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1120 (ReplaySuppressInitializers == 1 \|\|
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1121 ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1122 // Hide the existence of the initializer for the purpose of replaying the compile
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1123 return;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1124 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1125
0 a61af66fc99e Initial load duke parents: diff changeset	1126 methodHandle h_method(THREAD, this_oop->class_initializer());
a61af66fc99e Initial load duke parents: diff changeset	1127 assert(!this_oop->is_initialized(), "we cannot initialize twice");
a61af66fc99e Initial load duke parents: diff changeset	1128 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	1129 tty->print("%d Initializing ", call_class_initializer_impl_counter++);
a61af66fc99e Initial load duke parents: diff changeset	1130 this_oop->name()->print_value();
a61af66fc99e Initial load duke parents: diff changeset	1131 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop());
a61af66fc99e Initial load duke parents: diff changeset	1132 }
a61af66fc99e Initial load duke parents: diff changeset	1133 if (h_method() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1134 JavaCallArguments args; // No arguments
a61af66fc99e Initial load duke parents: diff changeset	1135 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1136 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args)
a61af66fc99e Initial load duke parents: diff changeset	1137 }
a61af66fc99e Initial load duke parents: diff changeset	1138 }
a61af66fc99e Initial load duke parents: diff changeset	1139
a61af66fc99e Initial load duke parents: diff changeset	1140
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1141 void InstanceKlass::mask_for(methodHandle method, int bci,
0 a61af66fc99e Initial load duke parents: diff changeset	1142 InterpreterOopMap* entry_for) {
a61af66fc99e Initial load duke parents: diff changeset	1143 // Dirty read, then double-check under a lock.
a61af66fc99e Initial load duke parents: diff changeset	1144 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1145 // Otherwise, allocate a new one.
a61af66fc99e Initial load duke parents: diff changeset	1146 MutexLocker x(OopMapCacheAlloc_lock);
a61af66fc99e Initial load duke parents: diff changeset	1147 // First time use. Allocate a cache in C heap
a61af66fc99e Initial load duke parents: diff changeset	1148 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1149 _oop_map_cache = new OopMapCache();
a61af66fc99e Initial load duke parents: diff changeset	1150 }
a61af66fc99e Initial load duke parents: diff changeset	1151 }
a61af66fc99e Initial load duke parents: diff changeset	1152 // _oop_map_cache is constant after init; lookup below does is own locking.
a61af66fc99e Initial load duke parents: diff changeset	1153 _oop_map_cache->lookup(method, bci, entry_for);
a61af66fc99e Initial load duke parents: diff changeset	1154 }
a61af66fc99e Initial load duke parents: diff changeset	1155
a61af66fc99e Initial load duke parents: diff changeset	1156
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1157 bool InstanceKlass::find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1158 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1159 Symbol* f_name = fs.name();
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1160 Symbol* f_sig = fs.signature();
0 a61af66fc99e Initial load duke parents: diff changeset	1161 if (f_name == name && f_sig == sig) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1162 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1163 return true;
a61af66fc99e Initial load duke parents: diff changeset	1164 }
a61af66fc99e Initial load duke parents: diff changeset	1165 }
a61af66fc99e Initial load duke parents: diff changeset	1166 return false;
a61af66fc99e Initial load duke parents: diff changeset	1167 }
a61af66fc99e Initial load duke parents: diff changeset	1168
a61af66fc99e Initial load duke parents: diff changeset	1169
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1170 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1171 const int n = local_interfaces()->length();
a61af66fc99e Initial load duke parents: diff changeset	1172 for (int i = 0; i < n; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1173 Klass* intf1 = local_interfaces()->at(i);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1174 assert(intf1->is_interface(), "just checking type");
0 a61af66fc99e Initial load duke parents: diff changeset	1175 // search for field in current interface
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1176 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1177 assert(fd->is_static(), "interface field must be static");
a61af66fc99e Initial load duke parents: diff changeset	1178 return intf1;
a61af66fc99e Initial load duke parents: diff changeset	1179 }
a61af66fc99e Initial load duke parents: diff changeset	1180 // search for field in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1181 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1182 if (intf2 != NULL) return intf2;
a61af66fc99e Initial load duke parents: diff changeset	1183 }
a61af66fc99e Initial load duke parents: diff changeset	1184 // otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1185 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1186 }
a61af66fc99e Initial load duke parents: diff changeset	1187
a61af66fc99e Initial load duke parents: diff changeset	1188
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1189 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1190 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1191 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1192 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1193 return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1194 }
a61af66fc99e Initial load duke parents: diff changeset	1195 // 2) search for field recursively in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1196 { Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1197 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1198 }
a61af66fc99e Initial load duke parents: diff changeset	1199 // 3) apply field lookup recursively if superclass exists
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1200 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1201 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1202 }
a61af66fc99e Initial load duke parents: diff changeset	1203 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1204 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1205 }
a61af66fc99e Initial load duke parents: diff changeset	1206
a61af66fc99e Initial load duke parents: diff changeset	1207
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1208 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1209 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1210 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1211 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1212 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1213 }
a61af66fc99e Initial load duke parents: diff changeset	1214 // 2) search for field recursively in direct superinterfaces
a61af66fc99e Initial load duke parents: diff changeset	1215 if (is_static) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1216 Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1217 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1218 }
a61af66fc99e Initial load duke parents: diff changeset	1219 // 3) apply field lookup recursively if superclass exists
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1220 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1221 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1222 }
a61af66fc99e Initial load duke parents: diff changeset	1223 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1224 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1225 }
a61af66fc99e Initial load duke parents: diff changeset	1226
a61af66fc99e Initial load duke parents: diff changeset	1227
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1228 bool InstanceKlass::find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1229 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1230 if (fs.offset() == offset) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1231 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1232 if (fd->is_static() == is_static) return true;
a61af66fc99e Initial load duke parents: diff changeset	1233 }
a61af66fc99e Initial load duke parents: diff changeset	1234 }
a61af66fc99e Initial load duke parents: diff changeset	1235 return false;
a61af66fc99e Initial load duke parents: diff changeset	1236 }
a61af66fc99e Initial load duke parents: diff changeset	1237
a61af66fc99e Initial load duke parents: diff changeset	1238
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1239 bool InstanceKlass::find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1240 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1241 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1242 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1243 return true;
a61af66fc99e Initial load duke parents: diff changeset	1244 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1245 klass = klass->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1246 }
a61af66fc99e Initial load duke parents: diff changeset	1247 return false;
a61af66fc99e Initial load duke parents: diff changeset	1248 }
a61af66fc99e Initial load duke parents: diff changeset	1249
a61af66fc99e Initial load duke parents: diff changeset	1250
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1251 void InstanceKlass::methods_do(void f(Method* method)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1252 int len = methods()->length();
a61af66fc99e Initial load duke parents: diff changeset	1253 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1254 Method* m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1255 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1256 f(m);
a61af66fc99e Initial load duke parents: diff changeset	1257 }
a61af66fc99e Initial load duke parents: diff changeset	1258 }
a61af66fc99e Initial load duke parents: diff changeset	1259
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1260
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1261 void InstanceKlass::do_local_static_fields(FieldClosure* cl) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1262 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1263 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1264 fieldDescriptor fd;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1265 fd.initialize(this, fs.index());
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1266 cl->do_field(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1267 }
0 a61af66fc99e Initial load duke parents: diff changeset	1268 }
a61af66fc99e Initial load duke parents: diff changeset	1269 }
a61af66fc99e Initial load duke parents: diff changeset	1270
a61af66fc99e Initial load duke parents: diff changeset	1271
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1272 void InstanceKlass::do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1273 instanceKlassHandle h_this(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1274 do_local_static_fields_impl(h_this, f, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	1275 }
a61af66fc99e Initial load duke parents: diff changeset	1276
a61af66fc99e Initial load duke parents: diff changeset	1277
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1278 void InstanceKlass::do_local_static_fields_impl(instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1279 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1280 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1281 fieldDescriptor fd;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1282 fd.initialize(this_oop(), fs.index());
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1283 f(&fd, CHECK);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1284 }
0 a61af66fc99e Initial load duke parents: diff changeset	1285 }
a61af66fc99e Initial load duke parents: diff changeset	1286 }
a61af66fc99e Initial load duke parents: diff changeset	1287
a61af66fc99e Initial load duke parents: diff changeset	1288
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1289 static int compare_fields_by_offset(int* a, int* b) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1290 return a[0] - b[0];
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1291 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1292
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1293 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1294 InstanceKlass* super = superklass();
0 a61af66fc99e Initial load duke parents: diff changeset	1295 if (super != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1296 super->do_nonstatic_fields(cl);
a61af66fc99e Initial load duke parents: diff changeset	1297 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1298 fieldDescriptor fd;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1299 int length = java_fields_count();
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1300 // In DebugInfo nonstatic fields are sorted by offset.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1301 int* fields_sorted = NEW_C_HEAP_ARRAY(int, 2*(length+1), mtClass);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1302 int j = 0;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1303 for (int i = 0; i < length; i += 1) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1304 fd.initialize(this, i);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1305 if (!fd.is_static()) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1306 fields_sorted[j + 0] = fd.offset();
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1307 fields_sorted[j + 1] = i;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1308 j += 2;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1309 }
0 a61af66fc99e Initial load duke parents: diff changeset	1310 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1311 if (j > 0) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1312 length = j;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1313 // _sort_Fn is defined in growableArray.hpp.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1314 qsort(fields_sorted, length/2, 2*sizeof(int), (_sort_Fn)compare_fields_by_offset);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1315 for (int i = 0; i < length; i += 2) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1316 fd.initialize(this, fields_sorted[i + 1]);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1317 assert(!fd.is_static() && fd.offset() == fields_sorted[i], "only nonstatic fields");
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1318 cl->do_field(&fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1319 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1320 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1321 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1322 }
a61af66fc99e Initial load duke parents: diff changeset	1323
a61af66fc99e Initial load duke parents: diff changeset	1324
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1325 void InstanceKlass::array_klasses_do(void f(Klass* k, TRAPS), TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1326 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1327 ArrayKlass::cast(array_klasses())->array_klasses_do(f, THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1328 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1329
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1330 void InstanceKlass::array_klasses_do(void f(Klass* k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1331 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1332 ArrayKlass::cast(array_klasses())->array_klasses_do(f);
0 a61af66fc99e Initial load duke parents: diff changeset	1333 }
a61af66fc99e Initial load duke parents: diff changeset	1334
a61af66fc99e Initial load duke parents: diff changeset	1335
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1336 void InstanceKlass::with_array_klasses_do(void f(Klass* k)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1337 f(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1338 array_klasses_do(f);
a61af66fc99e Initial load duke parents: diff changeset	1339 }
a61af66fc99e Initial load duke parents: diff changeset	1340
a61af66fc99e Initial load duke parents: diff changeset	1341 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1342 static int linear_search(Array<Method> methods, Symbol* name, Symbol* signature) {
0 a61af66fc99e Initial load duke parents: diff changeset	1343 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1344 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1345 Method* m = methods->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1346 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1347 if (m->signature() == signature && m->name() == name) {
a61af66fc99e Initial load duke parents: diff changeset	1348 return index;
a61af66fc99e Initial load duke parents: diff changeset	1349 }
a61af66fc99e Initial load duke parents: diff changeset	1350 }
a61af66fc99e Initial load duke parents: diff changeset	1351 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1352 }
a61af66fc99e Initial load duke parents: diff changeset	1353 #endif
a61af66fc99e Initial load duke parents: diff changeset	1354
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1355 static int binary_search(Array<Method> methods, Symbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	1356 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1357 // methods are sorted, so do binary search
a61af66fc99e Initial load duke parents: diff changeset	1358 int l = 0;
a61af66fc99e Initial load duke parents: diff changeset	1359 int h = len - 1;
a61af66fc99e Initial load duke parents: diff changeset	1360 while (l <= h) {
a61af66fc99e Initial load duke parents: diff changeset	1361 int mid = (l + h) >> 1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1362 Method* m = methods->at(mid);
0 a61af66fc99e Initial load duke parents: diff changeset	1363 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1364 int res = m->name()->fast_compare(name);
a61af66fc99e Initial load duke parents: diff changeset	1365 if (res == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1366 return mid;
0 a61af66fc99e Initial load duke parents: diff changeset	1367 } else if (res < 0) {
a61af66fc99e Initial load duke parents: diff changeset	1368 l = mid + 1;
a61af66fc99e Initial load duke parents: diff changeset	1369 } else {
a61af66fc99e Initial load duke parents: diff changeset	1370 h = mid - 1;
a61af66fc99e Initial load duke parents: diff changeset	1371 }
a61af66fc99e Initial load duke parents: diff changeset	1372 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1373 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1374 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1375
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1376 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1377 return InstanceKlass::find_method(methods(), name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1378 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1379
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1380 Method* InstanceKlass::find_method(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1381 Array<Method> methods, Symbol* name, Symbol* signature) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1382 int hit = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1383 if (hit != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1384 Method* m = methods->at(hit);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1385 // Do linear search to find matching signature. First, quick check
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1386 // for common case
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1387 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1388 // search downwards through overloaded methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1389 int i;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1390 for (i = hit - 1; i >= 0; --i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1391 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1392 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1393 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1394 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1395 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1396 // search upwards
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1397 for (i = hit + 1; i < methods->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1398 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1399 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1400 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1401 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1402 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1403 // not found
0 a61af66fc99e Initial load duke parents: diff changeset	1404 #ifdef ASSERT
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1405 int index = linear_search(methods, name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1406 assert(index == -1, err_msg("binary search should have found entry %d", index));
0 a61af66fc99e Initial load duke parents: diff changeset	1407 #endif
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1408 }
0 a61af66fc99e Initial load duke parents: diff changeset	1409 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1410 }
a61af66fc99e Initial load duke parents: diff changeset	1411
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1412 int InstanceKlass::find_method_by_name(Symbol* name, int* end) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1413 return find_method_by_name(methods(), name, end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1414 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1415
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1416 int InstanceKlass::find_method_by_name(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1417 Array<Method> methods, Symbol* name, int* end_ptr) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1418 assert(end_ptr != NULL, "just checking");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1419 int start = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1420 int end = start + 1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1421 if (start != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1422 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1423 while (end < methods->length() && (methods->at(end))->name() == name) ++end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1424 *end_ptr = end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1425 return start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1426 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1427 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1428 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1429
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1430 Method* InstanceKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1431 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1432 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1433 Method* method = InstanceKlass::cast(klass)->find_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1434 if (method != NULL) return method;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1435 klass = InstanceKlass::cast(klass)->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1436 }
a61af66fc99e Initial load duke parents: diff changeset	1437 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1438 }
a61af66fc99e Initial load duke parents: diff changeset	1439
a61af66fc99e Initial load duke parents: diff changeset	1440 // lookup a method in all the interfaces that this class implements
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1441 Method* InstanceKlass::lookup_method_in_all_interfaces(Symbol* name,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	1442 Symbol* signature) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1443 Array<Klass> all_ifs = transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	1444 int num_ifs = all_ifs->length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1445 InstanceKlass *ik = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1446 for (int i = 0; i < num_ifs; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1447 ik = InstanceKlass::cast(all_ifs->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1448 Method* m = ik->lookup_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1449 if (m != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1450 return m;
a61af66fc99e Initial load duke parents: diff changeset	1451 }
a61af66fc99e Initial load duke parents: diff changeset	1452 }
a61af66fc99e Initial load duke parents: diff changeset	1453 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1454 }
a61af66fc99e Initial load duke parents: diff changeset	1455
a61af66fc99e Initial load duke parents: diff changeset	1456 /* jni_id_for_impl for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1457 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1458 MutexLocker ml(JfieldIdCreation_lock);
a61af66fc99e Initial load duke parents: diff changeset	1459 // Retry lookup after we got the lock
a61af66fc99e Initial load duke parents: diff changeset	1460 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1461 if (probe == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1462 // Slow case, allocate new static field identifier
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1463 probe = new JNIid(this_oop(), offset, this_oop->jni_ids());
0 a61af66fc99e Initial load duke parents: diff changeset	1464 this_oop->set_jni_ids(probe);
a61af66fc99e Initial load duke parents: diff changeset	1465 }
a61af66fc99e Initial load duke parents: diff changeset	1466 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1467 }
a61af66fc99e Initial load duke parents: diff changeset	1468
a61af66fc99e Initial load duke parents: diff changeset	1469
a61af66fc99e Initial load duke parents: diff changeset	1470 /* jni_id_for for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1471 JNIid* InstanceKlass::jni_id_for(int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1472 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1473 if (probe == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1474 probe = jni_id_for_impl(this, offset);
0 a61af66fc99e Initial load duke parents: diff changeset	1475 }
a61af66fc99e Initial load duke parents: diff changeset	1476 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1477 }
a61af66fc99e Initial load duke parents: diff changeset	1478
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1479 u2 InstanceKlass::enclosing_method_data(int offset) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1480 Array<jushort>* inner_class_list = inner_classes();
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1481 if (inner_class_list == NULL) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1482 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1483 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1484 int length = inner_class_list->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1485 if (length % inner_class_next_offset == 0) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1486 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1487 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1488 int index = length - enclosing_method_attribute_size;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1489 assert(offset < enclosing_method_attribute_size, "invalid offset");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1490 return inner_class_list->at(index + offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1491 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1492 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1493
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1494 void InstanceKlass::set_enclosing_method_indices(u2 class_index,
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1495 u2 method_index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1496 Array<jushort>* inner_class_list = inner_classes();
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1497 assert (inner_class_list != NULL, "_inner_classes list is not set up");
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1498 int length = inner_class_list->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1499 if (length % inner_class_next_offset == enclosing_method_attribute_size) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1500 int index = length - enclosing_method_attribute_size;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1501 inner_class_list->at_put(
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1502 index + enclosing_method_class_index_offset, class_index);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1503 inner_class_list->at_put(
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1504 index + enclosing_method_method_index_offset, method_index);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1505 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1506 }
0 a61af66fc99e Initial load duke parents: diff changeset	1507
a61af66fc99e Initial load duke parents: diff changeset	1508 // Lookup or create a jmethodID.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1509 // This code is called by the VMThread and JavaThreads so the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1510 // locking has to be done very carefully to avoid deadlocks
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1511 // and/or other cache consistency problems.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1512 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1513 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) {
0 a61af66fc99e Initial load duke parents: diff changeset	1514 size_t idnum = (size_t)method_h->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1515 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1516 size_t length = 0;
a61af66fc99e Initial load duke parents: diff changeset	1517 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1518
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1519 // We use a double-check locking idiom here because this cache is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1520 // performance sensitive. In the normal system, this cache only
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1521 // transitions from NULL to non-NULL which is safe because we use
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1522 // release_set_methods_jmethod_ids() to advertise the new cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1523 // A partially constructed cache should never be seen by a racing
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1524 // thread. We also use release_store_ptr() to save a new jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1525 // in the cache so a partially constructed jmethodID should never be
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1526 // seen either. Cache reads of existing jmethodIDs proceed without a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1527 // lock, but cache writes of a new jmethodID requires uniqueness and
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1528 // creation of the cache itself requires no leaks so a lock is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1529 // generally acquired in those two cases.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1530 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1531 // If the RedefineClasses() API has been used, then this cache can
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1532 // grow and we'll have transitions from non-NULL to bigger non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1533 // Cache creation requires no leaks and we require safety between all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1534 // cache accesses and freeing of the old cache so a lock is generally
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1535 // acquired when the RedefineClasses() API has been used.
0 a61af66fc99e Initial load duke parents: diff changeset	1536
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1537 if (jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1538 // the cache already exists
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1539 if (!ik_h->idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1540 // the cache can't grow so we can just get the current values
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1541 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1542 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1543 // cache can grow so we have to be more careful
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1544 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1545 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1546 // we're single threaded or at a safepoint - no locking needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1547 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1548 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1549 MutexLocker ml(JmethodIdCreation_lock);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1550 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1551 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1552 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1553 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1554 // implied else:
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1555 // we need to allocate a cache so default length and id values are good
0 a61af66fc99e Initial load duke parents: diff changeset	1556
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1557 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1558 length <= idnum \|\| // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1559 id == NULL) { // cache doesn't contain entry
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1560
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1561 // This function can be called by the VMThread so we have to do all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1562 // things that might block on a safepoint before grabbing the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1563 // Otherwise, we can deadlock with the VMThread or have a cache
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1564 // consistency issue. These vars keep track of what we might have
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1565 // to free after the lock is dropped.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1566 jmethodID to_dealloc_id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1567 jmethodID* to_dealloc_jmeths = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1568
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1569 // may not allocate new_jmeths or use it if we allocate it
0 a61af66fc99e Initial load duke parents: diff changeset	1570 jmethodID* new_jmeths = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1571 if (length <= idnum) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1572 // allocate a new cache that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1573 size_t size = MAX2(idnum+1, (size_t)ik_h->idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1574 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1575 memset(new_jmeths, 0, (size+1)*sizeof(jmethodID));
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1576 // cache size is stored in element[0], other elements offset by one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1577 new_jmeths[0] = (jmethodID)size;
0 a61af66fc99e Initial load duke parents: diff changeset	1578 }
a61af66fc99e Initial load duke parents: diff changeset	1579
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1580 // allocate a new jmethodID that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1581 jmethodID new_id = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1582 if (method_h->is_old() && !method_h->is_obsolete()) {
a61af66fc99e Initial load duke parents: diff changeset	1583 // The method passed in is old (but not obsolete), we need to use the current version
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1584 Method* current_method = ik_h->method_with_idnum((int)idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	1585 assert(current_method != NULL, "old and but not obsolete, so should exist");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1586 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method);
0 a61af66fc99e Initial load duke parents: diff changeset	1587 } else {
a61af66fc99e Initial load duke parents: diff changeset	1588 // It is the current version of the method or an obsolete method,
a61af66fc99e Initial load duke parents: diff changeset	1589 // use the version passed in
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1590 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h());
0 a61af66fc99e Initial load duke parents: diff changeset	1591 }
a61af66fc99e Initial load duke parents: diff changeset	1592
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1593 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1594 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1595 // we're single threaded or at a safepoint - no locking needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1596 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1597 &to_dealloc_id, &to_dealloc_jmeths);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1598 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	1599 MutexLocker ml(JmethodIdCreation_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1600 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1601 &to_dealloc_id, &to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1602 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1603
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1604 // The lock has been dropped so we can free resources.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1605 // Free up either the old cache or the new cache if we allocated one.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1606 if (to_dealloc_jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1607 FreeHeap(to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1608 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1609 // free up the new ID since it wasn't needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1610 if (to_dealloc_id != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1611 Method::destroy_jmethod_id(ik_h->class_loader_data(), to_dealloc_id);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1612 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1613 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1614 return id;
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1615 }
0 a61af66fc99e Initial load duke parents: diff changeset	1616
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1617
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1618 // Common code to fetch the jmethodID from the cache or update the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1619 // cache with the new jmethodID. This function should never do anything
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1620 // that causes the caller to go to a safepoint or we can deadlock with
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1621 // the VMThread or have cache consistency issues.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1622 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1623 jmethodID InstanceKlass::get_jmethod_id_fetch_or_update(
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1624 instanceKlassHandle ik_h, size_t idnum, jmethodID new_id,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1625 jmethodID* new_jmeths, jmethodID* to_dealloc_id_p,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1626 jmethodID** to_dealloc_jmeths_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1627 assert(new_id != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1628 assert(to_dealloc_id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1629 assert(to_dealloc_jmeths_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1630 assert(Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1631 SafepointSynchronize::is_at_safepoint() \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1632 JmethodIdCreation_lock->owned_by_self(), "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1633
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1634 // reacquire the cache - we are locked, single threaded or at a safepoint
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1635 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1636 jmethodID id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1637 size_t length = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	1638
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1639 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1640 (length = (size_t)jmeths[0]) <= idnum) { // cache is too short
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1641 if (jmeths != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1642 // copy any existing entries from the old cache
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1643 for (size_t index = 0; index < length; index++) {
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1644 new_jmeths[index+1] = jmeths[index+1];
0 a61af66fc99e Initial load duke parents: diff changeset	1645 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1646 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1647 }
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1648 ik_h->release_set_methods_jmethod_ids(jmeths = new_jmeths);
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1649 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1650 // fetch jmethodID (if any) from the existing cache
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1651 id = jmeths[idnum+1];
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1652 *to_dealloc_jmeths_p = new_jmeths; // save new cache for later delete
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1653 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1654 if (id == NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1655 // No matching jmethodID in the existing cache or we have a new
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1656 // cache or we just grew the cache. This cache write is done here
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1657 // by the first thread to win the foot race because a jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1658 // needs to be unique once it is generally available.
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1659 id = new_id;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1660
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1661 // The jmethodID cache can be read while unlocked so we have to
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1662 // make sure the new jmethodID is complete before installing it
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1663 // in the cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1664 OrderAccess::release_store_ptr(&jmeths[idnum+1], id);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1665 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1666 *to_dealloc_id_p = new_id; // save new id for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1667 }
a61af66fc99e Initial load duke parents: diff changeset	1668 return id;
a61af66fc99e Initial load duke parents: diff changeset	1669 }
a61af66fc99e Initial load duke parents: diff changeset	1670
a61af66fc99e Initial load duke parents: diff changeset	1671
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1672 // Common code to get the jmethodID cache length and the jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1673 // value at index idnum if there is one.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1674 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1675 void InstanceKlass::get_jmethod_id_length_value(jmethodID* cache,
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1676 size_t idnum, size_t length_p, jmethodID id_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1677 assert(cache != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1678 assert(length_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1679 assert(id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1680
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1681 // cache size is stored in element[0], other elements offset by one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1682 *length_p = (size_t)cache[0];
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1683 if (*length_p <= idnum) { // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1684 *id_p = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1685 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1686 *id_p = cache[idnum+1]; // fetch jmethodID (if any)
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1687 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1688 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1689
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1690
0 a61af66fc99e Initial load duke parents: diff changeset	1691 // Lookup a jmethodID, NULL if not found. Do no blocking, no allocations, no handles
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1692 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) {
0 a61af66fc99e Initial load duke parents: diff changeset	1693 size_t idnum = (size_t)method->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1694 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1695 size_t length; // length assigned as debugging crumb
a61af66fc99e Initial load duke parents: diff changeset	1696 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1697 if (jmeths != NULL && // If there is a cache
0 a61af66fc99e Initial load duke parents: diff changeset	1698 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough,
a61af66fc99e Initial load duke parents: diff changeset	1699 id = jmeths[idnum+1]; // Look up the id (may be NULL)
a61af66fc99e Initial load duke parents: diff changeset	1700 }
a61af66fc99e Initial load duke parents: diff changeset	1701 return id;
a61af66fc99e Initial load duke parents: diff changeset	1702 }
a61af66fc99e Initial load duke parents: diff changeset	1703
a61af66fc99e Initial load duke parents: diff changeset	1704
a61af66fc99e Initial load duke parents: diff changeset	1705 // Cache an itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1706 void InstanceKlass::set_cached_itable_index(size_t idnum, int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	1707 int* indices = methods_cached_itable_indices_acquire();
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1708 int* to_dealloc_indices = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1709
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1710 // We use a double-check locking idiom here because this cache is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1711 // performance sensitive. In the normal system, this cache only
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1712 // transitions from NULL to non-NULL which is safe because we use
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1713 // release_set_methods_cached_itable_indices() to advertise the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1714 // new cache. A partially constructed cache should never be seen
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1715 // by a racing thread. Cache reads and writes proceed without a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1716 // lock, but creation of the cache itself requires no leaks so a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1717 // lock is generally acquired in that case.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1718 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1719 // If the RedefineClasses() API has been used, then this cache can
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1720 // grow and we'll have transitions from non-NULL to bigger non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1721 // Cache creation requires no leaks and we require safety between all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1722 // cache accesses and freeing of the old cache so a lock is generally
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1723 // acquired when the RedefineClasses() API has been used.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1724
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1725 if (indices == NULL \|\| idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1726 // we need a cache or the cache can grow
0 a61af66fc99e Initial load duke parents: diff changeset	1727 MutexLocker ml(JNICachedItableIndex_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1728 // reacquire the cache to see if another thread already did the work
0 a61af66fc99e Initial load duke parents: diff changeset	1729 indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1730 size_t length = 0;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1731 // cache size is stored in element[0], other elements offset by one
0 a61af66fc99e Initial load duke parents: diff changeset	1732 if (indices == NULL \|\| (length = (size_t)indices[0]) <= idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1733 size_t size = MAX2(idnum+1, (size_t)idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1734 int* new_indices = NEW_C_HEAP_ARRAY(int, size+1, mtClass);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1735 new_indices[0] = (int)size;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1736 // copy any existing entries
0 a61af66fc99e Initial load duke parents: diff changeset	1737 size_t i;
a61af66fc99e Initial load duke parents: diff changeset	1738 for (i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1739 new_indices[i+1] = indices[i+1];
a61af66fc99e Initial load duke parents: diff changeset	1740 }
a61af66fc99e Initial load duke parents: diff changeset	1741 // Set all the rest to -1
a61af66fc99e Initial load duke parents: diff changeset	1742 for (i = length; i < size; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1743 new_indices[i+1] = -1;
a61af66fc99e Initial load duke parents: diff changeset	1744 }
a61af66fc99e Initial load duke parents: diff changeset	1745 if (indices != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1746 // We have an old cache to delete so save it for after we
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1747 // drop the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1748 to_dealloc_indices = indices;
0 a61af66fc99e Initial load duke parents: diff changeset	1749 }
a61af66fc99e Initial load duke parents: diff changeset	1750 release_set_methods_cached_itable_indices(indices = new_indices);
a61af66fc99e Initial load duke parents: diff changeset	1751 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1752
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1753 if (idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1754 // this cache can grow so we have to write to it safely
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1755 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1756 }
0 a61af66fc99e Initial load duke parents: diff changeset	1757 } else {
a61af66fc99e Initial load duke parents: diff changeset	1758 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
a61af66fc99e Initial load duke parents: diff changeset	1759 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1760
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1761 if (!idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1762 // The cache cannot grow and this JNI itable index value does not
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1763 // have to be unique like a jmethodID. If there is a race to set it,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1764 // it doesn't matter.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1765 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1766 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1767
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1768 if (to_dealloc_indices != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1769 // we allocated a new cache so free the old one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1770 FreeHeap(to_dealloc_indices);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1771 }
0 a61af66fc99e Initial load duke parents: diff changeset	1772 }
a61af66fc99e Initial load duke parents: diff changeset	1773
a61af66fc99e Initial load duke parents: diff changeset	1774
a61af66fc99e Initial load duke parents: diff changeset	1775 // Retrieve a cached itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1776 int InstanceKlass::cached_itable_index(size_t idnum) {
0 a61af66fc99e Initial load duke parents: diff changeset	1777 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1778 if (indices != NULL && ((size_t)indices[0]) > idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1779 // indices exist and are long enough, retrieve possible cached
a61af66fc99e Initial load duke parents: diff changeset	1780 return indices[idnum+1];
a61af66fc99e Initial load duke parents: diff changeset	1781 }
a61af66fc99e Initial load duke parents: diff changeset	1782 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1783 }
a61af66fc99e Initial load duke parents: diff changeset	1784
a61af66fc99e Initial load duke parents: diff changeset	1785
a61af66fc99e Initial load duke parents: diff changeset	1786 //
a61af66fc99e Initial load duke parents: diff changeset	1787 // Walk the list of dependent nmethods searching for nmethods which
3852 fdb992d83a87 7071653: JSR 292: call site change notification should be pushed not pulled twisti parents: 3404 diff changeset	1788 // are dependent on the changes that were passed in and mark them for
0 a61af66fc99e Initial load duke parents: diff changeset	1789 // deoptimization. Returns the number of nmethods found.
a61af66fc99e Initial load duke parents: diff changeset	1790 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1791 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) {
0 a61af66fc99e Initial load duke parents: diff changeset	1792 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1793 int found = 0;
a61af66fc99e Initial load duke parents: diff changeset	1794 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1795 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1796 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1797 // since dependencies aren't removed until an nmethod becomes a zombie,
a61af66fc99e Initial load duke parents: diff changeset	1798 // the dependency list may contain nmethods which aren't alive.
a61af66fc99e Initial load duke parents: diff changeset	1799 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) {
a61af66fc99e Initial load duke parents: diff changeset	1800 if (TraceDependencies) {
a61af66fc99e Initial load duke parents: diff changeset	1801 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1802 tty->print_cr("Marked for deoptimization");
a61af66fc99e Initial load duke parents: diff changeset	1803 tty->print_cr(" context = %s", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1804 changes.print();
a61af66fc99e Initial load duke parents: diff changeset	1805 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1806 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1807 }
a61af66fc99e Initial load duke parents: diff changeset	1808 nm->mark_for_deoptimization();
a61af66fc99e Initial load duke parents: diff changeset	1809 found++;
a61af66fc99e Initial load duke parents: diff changeset	1810 }
a61af66fc99e Initial load duke parents: diff changeset	1811 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1812 }
a61af66fc99e Initial load duke parents: diff changeset	1813 return found;
a61af66fc99e Initial load duke parents: diff changeset	1814 }
a61af66fc99e Initial load duke parents: diff changeset	1815
a61af66fc99e Initial load duke parents: diff changeset	1816
a61af66fc99e Initial load duke parents: diff changeset	1817 //
a61af66fc99e Initial load duke parents: diff changeset	1818 // Add an nmethodBucket to the list of dependencies for this nmethod.
a61af66fc99e Initial load duke parents: diff changeset	1819 // It's possible that an nmethod has multiple dependencies on this klass
a61af66fc99e Initial load duke parents: diff changeset	1820 // so a count is kept for each bucket to guarantee that creation and
a61af66fc99e Initial load duke parents: diff changeset	1821 // deletion of dependencies is consistent.
a61af66fc99e Initial load duke parents: diff changeset	1822 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1823 void InstanceKlass::add_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1824 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1825 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1826 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1827 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1828 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1829 b->increment();
a61af66fc99e Initial load duke parents: diff changeset	1830 return;
a61af66fc99e Initial load duke parents: diff changeset	1831 }
a61af66fc99e Initial load duke parents: diff changeset	1832 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1833 }
a61af66fc99e Initial load duke parents: diff changeset	1834 _dependencies = new nmethodBucket(nm, _dependencies);
a61af66fc99e Initial load duke parents: diff changeset	1835 }
a61af66fc99e Initial load duke parents: diff changeset	1836
a61af66fc99e Initial load duke parents: diff changeset	1837
a61af66fc99e Initial load duke parents: diff changeset	1838 //
a61af66fc99e Initial load duke parents: diff changeset	1839 // Decrement count of the nmethod in the dependency list and remove
a61af66fc99e Initial load duke parents: diff changeset	1840 // the bucket competely when the count goes to 0. This method must
a61af66fc99e Initial load duke parents: diff changeset	1841 // find a corresponding bucket otherwise there's a bug in the
a61af66fc99e Initial load duke parents: diff changeset	1842 // recording of dependecies.
a61af66fc99e Initial load duke parents: diff changeset	1843 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1844 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1845 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1846 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1847 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1848 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1849 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1850 if (b->decrement() == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1851 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1852 _dependencies = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1853 } else {
a61af66fc99e Initial load duke parents: diff changeset	1854 last->set_next(b->next());
a61af66fc99e Initial load duke parents: diff changeset	1855 }
a61af66fc99e Initial load duke parents: diff changeset	1856 delete b;
a61af66fc99e Initial load duke parents: diff changeset	1857 }
a61af66fc99e Initial load duke parents: diff changeset	1858 return;
a61af66fc99e Initial load duke parents: diff changeset	1859 }
a61af66fc99e Initial load duke parents: diff changeset	1860 last = b;
a61af66fc99e Initial load duke parents: diff changeset	1861 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1862 }
a61af66fc99e Initial load duke parents: diff changeset	1863 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1864 tty->print_cr("### %s can't find dependent nmethod:", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1865 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1866 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1867 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1868 }
a61af66fc99e Initial load duke parents: diff changeset	1869
a61af66fc99e Initial load duke parents: diff changeset	1870
a61af66fc99e Initial load duke parents: diff changeset	1871 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1872 void InstanceKlass::print_dependent_nmethods(bool verbose) {
0 a61af66fc99e Initial load duke parents: diff changeset	1873 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1874 int idx = 0;
a61af66fc99e Initial load duke parents: diff changeset	1875 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1876 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1877 tty->print("[%d] count=%d { ", idx++, b->count());
a61af66fc99e Initial load duke parents: diff changeset	1878 if (!verbose) {
a61af66fc99e Initial load duke parents: diff changeset	1879 nm->print_on(tty, "nmethod");
a61af66fc99e Initial load duke parents: diff changeset	1880 tty->print_cr(" } ");
a61af66fc99e Initial load duke parents: diff changeset	1881 } else {
a61af66fc99e Initial load duke parents: diff changeset	1882 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1883 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1884 tty->print_cr("--- } ");
a61af66fc99e Initial load duke parents: diff changeset	1885 }
a61af66fc99e Initial load duke parents: diff changeset	1886 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1887 }
a61af66fc99e Initial load duke parents: diff changeset	1888 }
a61af66fc99e Initial load duke parents: diff changeset	1889
a61af66fc99e Initial load duke parents: diff changeset	1890
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1891 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1892 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1893 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1894 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1895 return true;
a61af66fc99e Initial load duke parents: diff changeset	1896 }
a61af66fc99e Initial load duke parents: diff changeset	1897 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1898 }
a61af66fc99e Initial load duke parents: diff changeset	1899 return false;
a61af66fc99e Initial load duke parents: diff changeset	1900 }
a61af66fc99e Initial load duke parents: diff changeset	1901 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1902
a61af66fc99e Initial load duke parents: diff changeset	1903
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1904 // Garbage collection
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1905
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1906 void InstanceKlass::oops_do(OopClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1907 Klass::oops_do(cl);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1908
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1909 cl->do_oop(adr_protection_domain());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1910 cl->do_oop(adr_signers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1911 cl->do_oop(adr_init_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1912
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1913 // Don't walk the arrays since they are walked from the ClassLoaderData objects.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1914 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1915
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1916 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1917 template <class T> void assert_is_in(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1918 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1919 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1920 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1921 assert(Universe::heap()->is_in(o), "should be in heap");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1922 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1923 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1924 template <class T> void assert_is_in_closed_subset(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1925 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1926 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1927 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1928 assert(Universe::heap()->is_in_closed_subset(o),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1929 err_msg("should be in closed *p " INTPTR_FORMAT " " INTPTR_FORMAT, (address)p, (address)o));
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1930 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1931 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1932 template <class T> void assert_is_in_reserved(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1933 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1934 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1935 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1936 assert(Universe::heap()->is_in_reserved(o), "should be in reserved");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1937 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1938 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1939 template <class T> void assert_nothing(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1940
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1941 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1942 template <class T> void assert_is_in(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1943 template <class T> void assert_is_in_closed_subset(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1944 template <class T> void assert_is_in_reserved(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1945 template <class T> void assert_nothing(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1946 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1947
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1948 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1949 // Macros that iterate over areas of oops which are specialized on type of
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1950 // oop pointer either narrow or wide, depending on UseCompressedOops
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1951 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1952 // Parameters are:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1953 // T - type of oop to point to (either oop or narrowOop)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1954 // start_p - starting pointer for region to iterate over
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1955 // count - number of oops or narrowOops to iterate over
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1956 // do_oop - action to perform on each oop (it's arbitrary C code which
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1957 // makes it more efficient to put in a macro rather than making
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1958 // it a template function)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1959 // assert_fn - assert function which is template function because performance
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1960 // doesn't matter when enabled.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1961 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1962 T, start_p, count, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1963 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1964 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1965 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1966 T* const end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1967 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1968 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1969 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1970 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1971 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1972 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1973
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1974 #define InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1975 T, start_p, count, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1976 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1977 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1978 T* const start = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1979 T* p = start + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1980 while (start < p) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1981 --p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1982 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1983 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1984 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1985 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1986
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1987 #define InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1988 T, start_p, count, low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1989 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1990 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1991 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1992 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1993 assert(mask_bits((intptr_t)l, sizeof(T)-1) == 0 && \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1994 mask_bits((intptr_t)h, sizeof(T)-1) == 0, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1995 "bounded region must be properly aligned"); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1996 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1997 T* end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1998 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1999 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2000 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2001 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2002 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2003 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2004 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2005 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2006
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2007
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2008 // The following macros call specialized macros, passing either oop or
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2009 // narrowOop as the specialization type. These test the UseCompressedOops
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2010 // flag.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2011 #define InstanceKlass_OOP_MAP_ITERATE(obj, do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2012 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2013 /* Compute oopmap block range. The common case \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2014 is nonstatic_oop_map_size == 1. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2015 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2016 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2017 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2018 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2019 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2020 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2021 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2022 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2023 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2024 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2025 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2026 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2027 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2028 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2029 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2030 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2031 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2032 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2033
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2034 #define InstanceKlass_OOP_MAP_REVERSE_ITERATE(obj, do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2035 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2036 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2037 OopMapBlock* map = start_map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2038 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2039 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2040 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2041 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2042 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2043 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2044 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2045 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2046 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2047 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2048 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2049 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2050 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2051 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2052 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2053 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2054
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2055 #define InstanceKlass_BOUNDED_OOP_MAP_ITERATE(obj, low, high, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2056 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2057 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2058 /* Compute oopmap block range. The common case is \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2059 nonstatic_oop_map_size == 1, so we accept the \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2060 usually non-existent extra overhead of examining \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2061 all the maps. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2062 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2063 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2064 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2065 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2066 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2067 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2068 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2069 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2070 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2071 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2072 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2073 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2074 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2075 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2076 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2077 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2078 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2079 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2080 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2081 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2082
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2083 void InstanceKlass::oop_follow_contents(oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2084 assert(obj != NULL, "can't follow the content of NULL object");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2085 MarkSweep::follow_klass(obj->klass());
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2086 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2087 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2088 MarkSweep::mark_and_push(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2089 assert_is_in_closed_subset)
0 a61af66fc99e Initial load duke parents: diff changeset	2090 }
a61af66fc99e Initial load duke parents: diff changeset	2091
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2092 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2093 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm,
0 a61af66fc99e Initial load duke parents: diff changeset	2094 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2095 assert(obj != NULL, "can't follow the content of NULL object");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2096 PSParallelCompact::follow_klass(cm, obj->klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2097 // Only mark the header and let the scan of the meta-data mark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2098 // everything else.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2099 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2100 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2101 PSParallelCompact::mark_and_push(cm, p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2102 assert_is_in)
0 a61af66fc99e Initial load duke parents: diff changeset	2103 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2104 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2105
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2106 // closure's do_metadata() method dictates whether the given closure should be
0 a61af66fc99e Initial load duke parents: diff changeset	2107 // applied to the klass ptr in the object header.
a61af66fc99e Initial load duke parents: diff changeset	2108
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2109 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2110 /* Make sure the non-virtual and the virtual versions match. */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2111 assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2112 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2113 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2114
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2115 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2116 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2117 int InstanceKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2118 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2119 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2120 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2121 closure->do_klass##nv_suffix(obj->klass()); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2122 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2123 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2124 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2125 SpecializationStats:: \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2126 record_do_oop_call##nv_suffix(SpecializationStats::ik); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2127 (closure)->do_oop##nv_suffix(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2128 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2129 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2130 }
a61af66fc99e Initial load duke parents: diff changeset	2131
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2132 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2133 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2134 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2135 int InstanceKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2136 OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2137 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2138 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2139 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2140 closure->do_klass##nv_suffix(obj->klass()); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2141 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2142 /* instance variables */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2143 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2144 obj, \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2145 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2146 (closure)->do_oop##nv_suffix(p), \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2147 assert_is_in_closed_subset) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2148 return size_helper(); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2149 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2150 #endif // INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2151
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2152 #define InstanceKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2153 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2154 int InstanceKlass::oop_oop_iterate##nv_suffix##_m(oop obj, \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2155 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2156 MemRegion mr) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2157 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2158 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2159 if (mr.contains(obj)) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2160 closure->do_klass##nv_suffix(obj->klass()); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2161 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2162 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2163 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2164 obj, mr.start(), mr.end(), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2165 (closure)->do_oop##nv_suffix(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2166 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2167 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2168 }
a61af66fc99e Initial load duke parents: diff changeset	2169
a61af66fc99e Initial load duke parents: diff changeset	2170 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2171 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	2172 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN_m)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2173 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN_m)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2174 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2175 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2176 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2177 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2178
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2179 int InstanceKlass::oop_adjust_pointers(oop obj) {
0 a61af66fc99e Initial load duke parents: diff changeset	2180 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2181 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2182 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2183 MarkSweep::adjust_pointer(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2184 assert_is_in)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2185 MarkSweep::adjust_klass(obj->klass());
0 a61af66fc99e Initial load duke parents: diff changeset	2186 return size;
a61af66fc99e Initial load duke parents: diff changeset	2187 }
a61af66fc99e Initial load duke parents: diff changeset	2188
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2189 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2190 void InstanceKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2191 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2192 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2193 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2194 pm->claim_or_forward_depth(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2195 }, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2196 assert_nothing )
0 a61af66fc99e Initial load duke parents: diff changeset	2197 }
a61af66fc99e Initial load duke parents: diff changeset	2198
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2199 int InstanceKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2200 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2201 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2202 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2203 PSParallelCompact::adjust_pointer(p), \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2204 assert_is_in)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2205 obj->update_header(cm);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2206 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	2207 }
a61af66fc99e Initial load duke parents: diff changeset	2208
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2209 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2210
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2211 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2212 assert(is_loader_alive(is_alive), "this klass should be live");
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2213 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2214 if (ClassUnloading) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2215 Klass* impl = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2216 if (impl != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2217 if (!impl->is_loader_alive(is_alive)) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2218 // remove this guy
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2219 Klass** klass = adr_implementor();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2220 assert(klass != NULL, "null klass");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2221 if (klass != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2222 *klass = NULL;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2223 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2224 }
0 a61af66fc99e Initial load duke parents: diff changeset	2225 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2226 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2227 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2228 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2229
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2230 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2231 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2232 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2233 if (mdo != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2234 for (ProfileData* data = mdo->first_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2235 mdo->is_valid(data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2236 data = mdo->next_data(data)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2237 data->clean_weak_klass_links(is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2238 }
0 a61af66fc99e Initial load duke parents: diff changeset	2239 }
a61af66fc99e Initial load duke parents: diff changeset	2240 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2241 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2242
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2243
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2244 static void remove_unshareable_in_class(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2245 // remove klass's unshareable info
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2246 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2247 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2248
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2249 void InstanceKlass::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2250 Klass::remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2251 // Unlink the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2252 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2253 unlink_class();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2254 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2255 init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2256
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2257 constants()->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2258
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2259 for (int i = 0; i < methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2260 Method* m = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2261 m->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2262 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2263
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2264 // Need to reinstate when reading back the class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2265 set_init_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2266
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2267 // do array classes also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2268 array_klasses_do(remove_unshareable_in_class);
0 a61af66fc99e Initial load duke parents: diff changeset	2269 }
a61af66fc99e Initial load duke parents: diff changeset	2270
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2271 void restore_unshareable_in_class(Klass* k, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2272 k->restore_unshareable_info(CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	2273 }
a61af66fc99e Initial load duke parents: diff changeset	2274
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2275 void InstanceKlass::restore_unshareable_info(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2276 Klass::restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2277 instanceKlassHandle ik(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2278
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2279 Array<Method> methods = ik->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2280 int num_methods = methods->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2281 for (int index2 = 0; index2 < num_methods; ++index2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2282 methodHandle m(THREAD, methods->at(index2));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2283 m()->link_method(m, CHECK);
6733 fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	2284 // restore method's vtable by calling a virtual function
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	2285 m->restore_vtable();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2286 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2287 if (JvmtiExport::has_redefined_a_class()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2288 // Reinitialize vtable because RedefineClasses may have changed some
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2289 // entries in this vtable for super classes so the CDS vtable might
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2290 // point to old or obsolete entries. RedefineClasses doesn't fix up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2291 // vtables in the shared system dictionary, only the main one.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2292 // It also redefines the itable too so fix that too.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2293 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2294 ik->vtable()->initialize_vtable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2295 ik->itable()->initialize_itable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2296 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2297
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2298 // Allocate a simple java object for a lock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2299 // This needs to be a java object because during class initialization
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2300 // it can be held across a java call.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2301 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2302 Handle h(THREAD, (oop)r);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2303 ik->set_init_lock(h());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2304
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2305 // restore constant pool resolved references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2306 ik->constants()->restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2307
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2308 ik->array_klasses_do(restore_unshareable_in_class, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2309 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2310
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2311 static void clear_all_breakpoints(Method* m) {
0 a61af66fc99e Initial load duke parents: diff changeset	2312 m->clear_all_breakpoints();
a61af66fc99e Initial load duke parents: diff changeset	2313 }
a61af66fc99e Initial load duke parents: diff changeset	2314
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2315 void InstanceKlass::release_C_heap_structures() {
0 a61af66fc99e Initial load duke parents: diff changeset	2316 // Deallocate oop map cache
a61af66fc99e Initial load duke parents: diff changeset	2317 if (_oop_map_cache != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2318 delete _oop_map_cache;
a61af66fc99e Initial load duke parents: diff changeset	2319 _oop_map_cache = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2320 }
a61af66fc99e Initial load duke parents: diff changeset	2321
a61af66fc99e Initial load duke parents: diff changeset	2322 // Deallocate JNI identifiers for jfieldIDs
a61af66fc99e Initial load duke parents: diff changeset	2323 JNIid::deallocate(jni_ids());
a61af66fc99e Initial load duke parents: diff changeset	2324 set_jni_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2325
a61af66fc99e Initial load duke parents: diff changeset	2326 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2327 if (jmeths != (jmethodID*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2328 release_set_methods_jmethod_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2329 FreeHeap(jmeths);
a61af66fc99e Initial load duke parents: diff changeset	2330 }
a61af66fc99e Initial load duke parents: diff changeset	2331
a61af66fc99e Initial load duke parents: diff changeset	2332 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2333 if (indices != (int*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2334 release_set_methods_cached_itable_indices(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2335 FreeHeap(indices);
a61af66fc99e Initial load duke parents: diff changeset	2336 }
a61af66fc99e Initial load duke parents: diff changeset	2337
a61af66fc99e Initial load duke parents: diff changeset	2338 // release dependencies
a61af66fc99e Initial load duke parents: diff changeset	2339 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	2340 _dependencies = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2341 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2342 nmethodBucket* next = b->next();
a61af66fc99e Initial load duke parents: diff changeset	2343 delete b;
a61af66fc99e Initial load duke parents: diff changeset	2344 b = next;
a61af66fc99e Initial load duke parents: diff changeset	2345 }
a61af66fc99e Initial load duke parents: diff changeset	2346
a61af66fc99e Initial load duke parents: diff changeset	2347 // Deallocate breakpoint records
a61af66fc99e Initial load duke parents: diff changeset	2348 if (breakpoints() != 0x0) {
a61af66fc99e Initial load duke parents: diff changeset	2349 methods_do(clear_all_breakpoints);
a61af66fc99e Initial load duke parents: diff changeset	2350 assert(breakpoints() == 0x0, "should have cleared breakpoints");
a61af66fc99e Initial load duke parents: diff changeset	2351 }
a61af66fc99e Initial load duke parents: diff changeset	2352
a61af66fc99e Initial load duke parents: diff changeset	2353 // deallocate information about previous versions
a61af66fc99e Initial load duke parents: diff changeset	2354 if (_previous_versions != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2355 for (int i = _previous_versions->length() - 1; i >= 0; i--) {
a61af66fc99e Initial load duke parents: diff changeset	2356 PreviousVersionNode * pv_node = _previous_versions->at(i);
a61af66fc99e Initial load duke parents: diff changeset	2357 delete pv_node;
a61af66fc99e Initial load duke parents: diff changeset	2358 }
a61af66fc99e Initial load duke parents: diff changeset	2359 delete _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	2360 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2361 }
a61af66fc99e Initial load duke parents: diff changeset	2362
a61af66fc99e Initial load duke parents: diff changeset	2363 // deallocate the cached class file
a61af66fc99e Initial load duke parents: diff changeset	2364 if (_cached_class_file_bytes != NULL) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	2365 os::free(_cached_class_file_bytes, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	2366 _cached_class_file_bytes = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2367 _cached_class_file_len = 0;
a61af66fc99e Initial load duke parents: diff changeset	2368 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2369
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2370 // Decrement symbol reference counts associated with the unloaded class.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2371 if (_name != NULL) _name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2372 // unreference array name derived from this class name (arrays of an unloaded
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2373 // class can't be referenced anymore).
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2374 if (_array_name != NULL) _array_name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2375 if (_source_file_name != NULL) _source_file_name->decrement_refcount();
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2376 if (_source_debug_extension != NULL) FREE_C_HEAP_ARRAY(char, _source_debug_extension, mtClass);
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2377
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2378 assert(_total_instanceKlass_count >= 1, "Sanity check");
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2379 Atomic::dec(&_total_instanceKlass_count);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2380 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2381
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2382 void InstanceKlass::set_source_file_name(Symbol* n) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2383 _source_file_name = n;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2384 if (_source_file_name != NULL) _source_file_name->increment_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2385 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2386
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2387 void InstanceKlass::set_source_debug_extension(char* array, int length) {
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2388 if (array == NULL) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2389 _source_debug_extension = NULL;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2390 } else {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2391 // Adding one to the attribute length in order to store a null terminator
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2392 // character could cause an overflow because the attribute length is
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2393 // already coded with an u4 in the classfile, but in practice, it's
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2394 // unlikely to happen.
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2395 assert((length+1) > length, "Overflow checking");
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2396 char* sde = NEW_C_HEAP_ARRAY(char, (length + 1), mtClass);
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2397 for (int i = 0; i < length; i++) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2398 sde[i] = array[i];
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2399 }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2400 sde[length] = '\0';
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2401 _source_debug_extension = sde;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2402 }
0 a61af66fc99e Initial load duke parents: diff changeset	2403 }
a61af66fc99e Initial load duke parents: diff changeset	2404
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2405 address InstanceKlass::static_field_addr(int offset) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	2406 return (address)(offset + InstanceMirrorKlass::offset_of_static_fields() + (intptr_t)java_mirror());
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2407 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2408
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2409
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2410 const char* InstanceKlass::signature_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2411 const char* src = (const char*) (name()->as_C_string());
a61af66fc99e Initial load duke parents: diff changeset	2412 const int src_length = (int)strlen(src);
a61af66fc99e Initial load duke parents: diff changeset	2413 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
a61af66fc99e Initial load duke parents: diff changeset	2414 int src_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2415 int dest_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2416 dest[dest_index++] = 'L';
a61af66fc99e Initial load duke parents: diff changeset	2417 while (src_index < src_length) {
a61af66fc99e Initial load duke parents: diff changeset	2418 dest[dest_index++] = src[src_index++];
a61af66fc99e Initial load duke parents: diff changeset	2419 }
a61af66fc99e Initial load duke parents: diff changeset	2420 dest[dest_index++] = ';';
a61af66fc99e Initial load duke parents: diff changeset	2421 dest[dest_index] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	2422 return dest;
a61af66fc99e Initial load duke parents: diff changeset	2423 }
a61af66fc99e Initial load duke parents: diff changeset	2424
a61af66fc99e Initial load duke parents: diff changeset	2425 // different verisons of is_same_class_package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2426 bool InstanceKlass::is_same_class_package(Klass* class2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2427 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2428 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2429 Symbol* classname1 = class1->name();
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2430
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2431 if (class2->oop_is_objArray()) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	2432 class2 = ObjArrayKlass::cast(class2)->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2433 }
a61af66fc99e Initial load duke parents: diff changeset	2434 oop classloader2;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2435 if (class2->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2436 classloader2 = InstanceKlass::cast(class2)->class_loader();
0 a61af66fc99e Initial load duke parents: diff changeset	2437 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2438 assert(class2->oop_is_typeArray(), "should be type array");
0 a61af66fc99e Initial load duke parents: diff changeset	2439 classloader2 = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2440 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2441 Symbol* classname2 = class2->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2442
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2443 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2444 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2445 }
a61af66fc99e Initial load duke parents: diff changeset	2446
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2447 bool InstanceKlass::is_same_class_package(oop classloader2, Symbol* classname2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2448 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2449 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2450 Symbol* classname1 = class1->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2451
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2452 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2453 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2454 }
a61af66fc99e Initial load duke parents: diff changeset	2455
a61af66fc99e Initial load duke parents: diff changeset	2456 // return true if two classes are in the same package, classloader
a61af66fc99e Initial load duke parents: diff changeset	2457 // and classname information is enough to determine a class's package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2458 bool InstanceKlass::is_same_class_package(oop class_loader1, Symbol* class_name1,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2459 oop class_loader2, Symbol* class_name2) {
0 a61af66fc99e Initial load duke parents: diff changeset	2460 if (class_loader1 != class_loader2) {
a61af66fc99e Initial load duke parents: diff changeset	2461 return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2462 } else if (class_name1 == class_name2) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2463 return true; // skip painful bytewise comparison
0 a61af66fc99e Initial load duke parents: diff changeset	2464 } else {
a61af66fc99e Initial load duke parents: diff changeset	2465 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2466
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2467 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly
0 a61af66fc99e Initial load duke parents: diff changeset	2468 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding.
a61af66fc99e Initial load duke parents: diff changeset	2469 // Otherwise, we just compare jbyte values between the strings.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2470 const jbyte *name1 = class_name1->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2471 const jbyte *name2 = class_name2->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2472
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2473 const jbyte *last_slash1 = UTF8::strrchr(name1, class_name1->utf8_length(), '/');
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2474 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/');
0 a61af66fc99e Initial load duke parents: diff changeset	2475
a61af66fc99e Initial load duke parents: diff changeset	2476 if ((last_slash1 == NULL) \|\| (last_slash2 == NULL)) {
a61af66fc99e Initial load duke parents: diff changeset	2477 // One of the two doesn't have a package. Only return true
a61af66fc99e Initial load duke parents: diff changeset	2478 // if the other one also doesn't have a package.
a61af66fc99e Initial load duke parents: diff changeset	2479 return last_slash1 == last_slash2;
a61af66fc99e Initial load duke parents: diff changeset	2480 } else {
a61af66fc99e Initial load duke parents: diff changeset	2481 // Skip over '['s
a61af66fc99e Initial load duke parents: diff changeset	2482 if (*name1 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2483 do {
a61af66fc99e Initial load duke parents: diff changeset	2484 name1++;
a61af66fc99e Initial load duke parents: diff changeset	2485 } while (*name1 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2486 if (*name1 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2487 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2488 return false;
a61af66fc99e Initial load duke parents: diff changeset	2489 }
a61af66fc99e Initial load duke parents: diff changeset	2490 }
a61af66fc99e Initial load duke parents: diff changeset	2491 if (*name2 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2492 do {
a61af66fc99e Initial load duke parents: diff changeset	2493 name2++;
a61af66fc99e Initial load duke parents: diff changeset	2494 } while (*name2 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2495 if (*name2 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2496 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2497 return false;
a61af66fc99e Initial load duke parents: diff changeset	2498 }
a61af66fc99e Initial load duke parents: diff changeset	2499 }
a61af66fc99e Initial load duke parents: diff changeset	2500
a61af66fc99e Initial load duke parents: diff changeset	2501 // Check that package part is identical
a61af66fc99e Initial load duke parents: diff changeset	2502 int length1 = last_slash1 - name1;
a61af66fc99e Initial load duke parents: diff changeset	2503 int length2 = last_slash2 - name2;
a61af66fc99e Initial load duke parents: diff changeset	2504
a61af66fc99e Initial load duke parents: diff changeset	2505 return UTF8::equal(name1, length1, name2, length2);
a61af66fc99e Initial load duke parents: diff changeset	2506 }
a61af66fc99e Initial load duke parents: diff changeset	2507 }
a61af66fc99e Initial load duke parents: diff changeset	2508 }
a61af66fc99e Initial load duke parents: diff changeset	2509
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2510 // Returns true iff super_method can be overridden by a method in targetclassname
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2511 // See JSL 3rd edition 8.4.6.1
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2512 // Assumes name-signature match
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2513 // "this" is InstanceKlass of super_method which must exist
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2514 // note that the InstanceKlass of the method in the targetclassname has not always been created yet
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2515 bool InstanceKlass::is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS) {
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2516 // Private methods can not be overridden
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2517 if (super_method->is_private()) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2518 return false;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2519 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2520 // If super method is accessible, then override
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2521 if ((super_method->is_protected()) \|\|
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2522 (super_method->is_public())) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2523 return true;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2524 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2525 // Package-private methods are not inherited outside of package
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2526 assert(super_method->is_package_private(), "must be package private");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2527 return(is_same_class_package(targetclassloader(), targetclassname));
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2528 }
0 a61af66fc99e Initial load duke parents: diff changeset	2529
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2530 /* defined for now in jvm.cpp, for historical reasons *--
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2531 Klass* InstanceKlass::compute_enclosing_class_impl(instanceKlassHandle self,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2532 Symbol*& simple_name_result, TRAPS) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2533 ...
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2534 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2535 */
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2536
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2537 // tell if two classes have the same enclosing class (at package level)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2538 bool InstanceKlass::is_same_package_member_impl(instanceKlassHandle class1,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2539 Klass* class2_oop, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2540 if (class2_oop == class1()) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2541 if (!class2_oop->oop_is_instance()) return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2542 instanceKlassHandle class2(THREAD, class2_oop);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2543
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2544 // must be in same package before we try anything else
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2545 if (!class1->is_same_class_package(class2->class_loader(), class2->name()))
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2546 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2547
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2548 // As long as there is an outer1.getEnclosingClass,
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2549 // shift the search outward.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2550 instanceKlassHandle outer1 = class1;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2551 for (;;) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2552 // As we walk along, look for equalities between outer1 and class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2553 // Eventually, the walks will terminate as outer1 stops
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2554 // at the top-level class around the original class.
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2555 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2556 Klass* next = outer1->compute_enclosing_class(&ignore_inner_is_member,
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2557 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2558 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2559 if (next == class2()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2560 outer1 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2561 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2562
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2563 // Now do the same for class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2564 instanceKlassHandle outer2 = class2;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2565 for (;;) {
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2566 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2567 Klass* next = outer2->compute_enclosing_class(&ignore_inner_is_member,
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2568 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2569 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2570 // Might as well check the new outer against all available values.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2571 if (next == class1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2572 if (next == outer1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2573 outer2 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2574 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2575
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2576 // If by this point we have not found an equality between the
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2577 // two classes, we know they are in separate package members.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2578 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2579 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2580
0 a61af66fc99e Initial load duke parents: diff changeset	2581
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2582 jint InstanceKlass::compute_modifier_flags(TRAPS) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2583 jint access = access_flags().as_int();
a61af66fc99e Initial load duke parents: diff changeset	2584
a61af66fc99e Initial load duke parents: diff changeset	2585 // But check if it happens to be member class.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2586 instanceKlassHandle ik(THREAD, this);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2587 InnerClassesIterator iter(ik);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2588 for (; !iter.done(); iter.next()) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2589 int ioff = iter.inner_class_info_index();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2590 // Inner class attribute can be zero, skip it.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2591 // Strange but true: JVM spec. allows null inner class refs.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2592 if (ioff == 0) continue;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2593
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2594 // only look at classes that are already loaded
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2595 // since we are looking for the flags for our self.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2596 Symbol* inner_name = ik->constants()->klass_name_at(ioff);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2597 if ((ik->name() == inner_name)) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2598 // This is really a member class.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2599 access = iter.inner_access_flags();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2600 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2601 }
a61af66fc99e Initial load duke parents: diff changeset	2602 }
a61af66fc99e Initial load duke parents: diff changeset	2603 // Remember to strip ACC_SUPER bit
a61af66fc99e Initial load duke parents: diff changeset	2604 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS;
a61af66fc99e Initial load duke parents: diff changeset	2605 }
a61af66fc99e Initial load duke parents: diff changeset	2606
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2607 jint InstanceKlass::jvmti_class_status() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2608 jint result = 0;
a61af66fc99e Initial load duke parents: diff changeset	2609
a61af66fc99e Initial load duke parents: diff changeset	2610 if (is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	2611 result \|= JVMTI_CLASS_STATUS_VERIFIED \| JVMTI_CLASS_STATUS_PREPARED;
a61af66fc99e Initial load duke parents: diff changeset	2612 }
a61af66fc99e Initial load duke parents: diff changeset	2613
a61af66fc99e Initial load duke parents: diff changeset	2614 if (is_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	2615 assert(is_linked(), "Class status is not consistent");
a61af66fc99e Initial load duke parents: diff changeset	2616 result \|= JVMTI_CLASS_STATUS_INITIALIZED;
a61af66fc99e Initial load duke parents: diff changeset	2617 }
a61af66fc99e Initial load duke parents: diff changeset	2618 if (is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	2619 result \|= JVMTI_CLASS_STATUS_ERROR;
a61af66fc99e Initial load duke parents: diff changeset	2620 }
a61af66fc99e Initial load duke parents: diff changeset	2621 return result;
a61af66fc99e Initial load duke parents: diff changeset	2622 }
a61af66fc99e Initial load duke parents: diff changeset	2623
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2624 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	2625 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable();
a61af66fc99e Initial load duke parents: diff changeset	2626 int method_table_offset_in_words = ioe->offset()/wordSize;
a61af66fc99e Initial load duke parents: diff changeset	2627 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words())
a61af66fc99e Initial load duke parents: diff changeset	2628 / itableOffsetEntry::size();
a61af66fc99e Initial load duke parents: diff changeset	2629
a61af66fc99e Initial load duke parents: diff changeset	2630 for (int cnt = 0 ; ; cnt ++, ioe ++) {
605 98cb887364d3 6810672: Comment typos twisti parents: 356 diff changeset	2631 // If the interface isn't implemented by the receiver class,
0 a61af66fc99e Initial load duke parents: diff changeset	2632 // the VM should throw IncompatibleClassChangeError.
a61af66fc99e Initial load duke parents: diff changeset	2633 if (cnt >= nof_interfaces) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2634 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError());
0 a61af66fc99e Initial load duke parents: diff changeset	2635 }
a61af66fc99e Initial load duke parents: diff changeset	2636
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2637 Klass* ik = ioe->interface_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2638 if (ik == holder) break;
a61af66fc99e Initial load duke parents: diff changeset	2639 }
a61af66fc99e Initial load duke parents: diff changeset	2640
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2641 itableMethodEntry* ime = ioe->first_method_entry(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2642 Method* m = ime[index].method();
0 a61af66fc99e Initial load duke parents: diff changeset	2643 if (m == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2644 THROW_NULL(vmSymbols::java_lang_AbstractMethodError());
0 a61af66fc99e Initial load duke parents: diff changeset	2645 }
a61af66fc99e Initial load duke parents: diff changeset	2646 return m;
a61af66fc99e Initial load duke parents: diff changeset	2647 }
a61af66fc99e Initial load duke parents: diff changeset	2648
a61af66fc99e Initial load duke parents: diff changeset	2649 // On-stack replacement stuff
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2650 void InstanceKlass::add_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2651 // only one compilation can be active
a61af66fc99e Initial load duke parents: diff changeset	2652 NEEDS_CLEANUP
a61af66fc99e Initial load duke parents: diff changeset	2653 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2654 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2655 assert(n->is_osr_method(), "wrong kind of nmethod");
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2656 n->set_osr_link(osr_nmethods_head());
0 a61af66fc99e Initial load duke parents: diff changeset	2657 set_osr_nmethods_head(n);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2658 // Raise the highest osr level if necessary
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2659 if (TieredCompilation) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2660 Method* m = n->method();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2661 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level()));
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2662 }
0 a61af66fc99e Initial load duke parents: diff changeset	2663 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2664 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2665
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2666 // Get rid of the osr methods for the same bci that have lower levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2667 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2668 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2669 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2670 if (inv != NULL && inv->is_in_use()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2671 inv->make_not_entrant();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2672 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2673 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2674 }
0 a61af66fc99e Initial load duke parents: diff changeset	2675 }
a61af66fc99e Initial load duke parents: diff changeset	2676
a61af66fc99e Initial load duke parents: diff changeset	2677
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2678 void InstanceKlass::remove_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2679 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2680 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2681 assert(n->is_osr_method(), "wrong kind of nmethod");
a61af66fc99e Initial load duke parents: diff changeset	2682 nmethod* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2683 nmethod* cur = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2684 int max_level = CompLevel_none; // Find the max comp level excluding n
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2685 Method* m = n->method();
0 a61af66fc99e Initial load duke parents: diff changeset	2686 // Search for match
a61af66fc99e Initial load duke parents: diff changeset	2687 while(cur != NULL && cur != n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2688 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2689 // Find max level before n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2690 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2691 }
0 a61af66fc99e Initial load duke parents: diff changeset	2692 last = cur;
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2693 cur = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2694 }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2695 nmethod* next = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2696 if (cur == n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2697 next = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2698 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2699 // Remove first element
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2700 set_osr_nmethods_head(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2701 } else {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2702 last->set_osr_link(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2703 }
a61af66fc99e Initial load duke parents: diff changeset	2704 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2705 n->set_osr_link(NULL);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2706 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2707 cur = next;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2708 while (cur != NULL) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2709 // Find max level after n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2710 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2711 cur = cur->osr_link();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2712 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2713 m->set_highest_osr_comp_level(max_level);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2714 }
0 a61af66fc99e Initial load duke parents: diff changeset	2715 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2716 OsrList_lock->unlock();
a61af66fc99e Initial load duke parents: diff changeset	2717 }
a61af66fc99e Initial load duke parents: diff changeset	2718
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2719 nmethod* InstanceKlass::lookup_osr_nmethod(Method* const m, int bci, int comp_level, bool match_level) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2720 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2721 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2722 nmethod* osr = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2723 nmethod* best = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2724 while (osr != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2725 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2726 // There can be a time when a c1 osr method exists but we are waiting
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2727 // for a c2 version. When c2 completes its osr nmethod we will trash
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2728 // the c1 version and only be able to find the c2 version. However
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2729 // while we overflow in the c1 code at back branches we don't want to
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2730 // try and switch to the same code as we are already running
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2731
0 a61af66fc99e Initial load duke parents: diff changeset	2732 if (osr->method() == m &&
a61af66fc99e Initial load duke parents: diff changeset	2733 (bci == InvocationEntryBci \|\| osr->osr_entry_bci() == bci)) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2734 if (match_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2735 if (osr->comp_level() == comp_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2736 // Found a match - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2737 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2738 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2739 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2740 } else {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2741 if (best == NULL \|\| (osr->comp_level() > best->comp_level())) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2742 if (osr->comp_level() == CompLevel_highest_tier) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2743 // Found the best possible - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2744 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2745 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2746 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2747 best = osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2748 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2749 }
0 a61af66fc99e Initial load duke parents: diff changeset	2750 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2751 osr = osr->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2752 }
a61af66fc99e Initial load duke parents: diff changeset	2753 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2754 if (best != NULL && best->comp_level() >= comp_level && match_level == false) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2755 return best;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2756 }
0 a61af66fc99e Initial load duke parents: diff changeset	2757 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2758 }
a61af66fc99e Initial load duke parents: diff changeset	2759
a61af66fc99e Initial load duke parents: diff changeset	2760 // -----------------------------------------------------------------------------------------------------
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2761 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2762
0 a61af66fc99e Initial load duke parents: diff changeset	2763 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2764
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2765 #define BULLET " - "
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2766
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2767 static const char* state_names[] = {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2768 "allocated", "loaded", "linked", "being_initialized", "fully_initialized", "initialization_error"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2769 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2770
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2771 void InstanceKlass::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2772 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2773 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2774
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2775 st->print(BULLET"instance size: %d", size_helper()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2776 st->print(BULLET"klass size: %d", size()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2777 st->print(BULLET"access: "); access_flags().print_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2778 st->print(BULLET"state: "); st->print_cr(state_names[_init_state]);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2779 st->print(BULLET"name: "); name()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2780 st->print(BULLET"super: "); super()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2781 st->print(BULLET"sub: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2782 Klass* sub = subklass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2783 int n;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2784 for (n = 0; sub != NULL; n++, sub = sub->next_sibling()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2785 if (n < MaxSubklassPrintSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2786 sub->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2787 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2788 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2789 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2790 if (n >= MaxSubklassPrintSize) st->print("(%d more klasses...)", n - MaxSubklassPrintSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2791 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2792
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2793 if (is_interface()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2794 st->print_cr(BULLET"nof implementors: %d", nof_implementors());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2795 if (nof_implementors() == 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2796 st->print_cr(BULLET"implementor: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2797 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2798 implementor()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2799 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2800 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2801 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2802
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2803 st->print(BULLET"arrays: "); array_klasses()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2804 st->print(BULLET"methods: "); methods()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2805 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2806 Array<Method> method_array = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2807 for(int i = 0; i < method_array->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2808 st->print("%d : ", i); method_array->at(i)->print_value(); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2809 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2810 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2811 st->print(BULLET"method ordering: "); method_ordering()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2812 st->print(BULLET"local interfaces: "); local_interfaces()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2813 st->print(BULLET"trans. interfaces: "); transitive_interfaces()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2814 st->print(BULLET"constants: "); constants()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2815 if (class_loader_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2816 st->print(BULLET"class loader data: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2817 class_loader_data()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2818 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2819 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2820 st->print(BULLET"protection domain: "); ((InstanceKlass*)this)->protection_domain()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2821 st->print(BULLET"host class: "); host_klass()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2822 st->print(BULLET"signers: "); signers()->print_value_on(st); st->cr();
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	2823 st->print(BULLET"init_lock: "); ((oop)_init_lock)->print_value_on(st); st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2824 if (source_file_name() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2825 st->print(BULLET"source file: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2826 source_file_name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2827 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2828 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2829 if (source_debug_extension() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2830 st->print(BULLET"source debug extension: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2831 st->print("%s", source_debug_extension());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2832 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2833 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2834 st->print(BULLET"class annotations: "); class_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2835 st->print(BULLET"class type annotations: "); class_type_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2836 st->print(BULLET"field annotations: "); fields_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2837 st->print(BULLET"field type annotations: "); fields_type_annotations()->print_value_on(st); st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2838 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2839 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2840 // PreviousVersionInfo objects returned via PreviousVersionWalker
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2841 // contain a GrowableArray of handles. We have to clean up the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2842 // GrowableArray _after_ the PreviousVersionWalker destructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2843 // has destroyed the handles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2844 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2845 bool have_pv = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2846 PreviousVersionWalker pvw((InstanceKlass*)this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2847 for (PreviousVersionInfo * pv_info = pvw.next_previous_version();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2848 pv_info != NULL; pv_info = pvw.next_previous_version()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2849 if (!have_pv)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2850 st->print(BULLET"previous version: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2851 have_pv = true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2852 pv_info->prev_constant_pool_handle()()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2853 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2854 if (have_pv) st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2855 } // pvw is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2856 } // rm is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2857
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2858 if (generic_signature() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2859 st->print(BULLET"generic signature: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2860 generic_signature()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2861 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2862 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2863 st->print(BULLET"inner classes: "); inner_classes()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2864 st->print(BULLET"java mirror: "); java_mirror()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2865 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), start_of_vtable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2866 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), start_of_itable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2867 st->print_cr(BULLET"---- static fields (%d words):", static_field_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2868 FieldPrinter print_static_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2869 ((InstanceKlass*)this)->do_local_static_fields(&print_static_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2870 st->print_cr(BULLET"---- non-static fields (%d words):", nonstatic_field_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2871 FieldPrinter print_nonstatic_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2872 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2874 st->print(BULLET"non-static oop maps: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2875 OopMapBlock* map = start_of_nonstatic_oop_maps();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2876 OopMapBlock* end_map = map + nonstatic_oop_map_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2877 while (map < end_map) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2878 st->print("%d-%d ", map->offset(), map->offset() + heapOopSize*(map->count() - 1));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2879 map++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2880 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2881 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2882 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2883
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2884 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2885
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2886 void InstanceKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2887 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2888 name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2889 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2890
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2891 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2892
0 a61af66fc99e Initial load duke parents: diff changeset	2893 void FieldPrinter::do_field(fieldDescriptor* fd) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2894 _st->print(BULLET);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2895 if (_obj == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2896 fd->print_on(_st);
a61af66fc99e Initial load duke parents: diff changeset	2897 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2898 } else {
a61af66fc99e Initial load duke parents: diff changeset	2899 fd->print_on_for(_st, _obj);
a61af66fc99e Initial load duke parents: diff changeset	2900 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2901 }
a61af66fc99e Initial load duke parents: diff changeset	2902 }
a61af66fc99e Initial load duke parents: diff changeset	2903
a61af66fc99e Initial load duke parents: diff changeset	2904
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2905 void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2906 Klass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2907
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2908 if (this == SystemDictionary::String_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	2909 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load duke parents: diff changeset	2910 juint offset = java_lang_String::offset(obj);
a61af66fc99e Initial load duke parents: diff changeset	2911 juint length = java_lang_String::length(obj);
a61af66fc99e Initial load duke parents: diff changeset	2912 if (value != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2913 value->is_typeArray() &&
a61af66fc99e Initial load duke parents: diff changeset	2914 offset <= (juint) value->length() &&
a61af66fc99e Initial load duke parents: diff changeset	2915 offset + length <= (juint) value->length()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2916 st->print(BULLET"string: ");
0 a61af66fc99e Initial load duke parents: diff changeset	2917 Handle h_obj(obj);
a61af66fc99e Initial load duke parents: diff changeset	2918 java_lang_String::print(h_obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2919 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2920 if (!WizardMode) return; // that is enough
a61af66fc99e Initial load duke parents: diff changeset	2921 }
a61af66fc99e Initial load duke parents: diff changeset	2922 }
a61af66fc99e Initial load duke parents: diff changeset	2923
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2924 st->print_cr(BULLET"---- fields (total size %d words):", oop_size(obj));
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2925 FieldPrinter print_field(st, obj);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2926 do_nonstatic_fields(&print_field);
0 a61af66fc99e Initial load duke parents: diff changeset	2927
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2928 if (this == SystemDictionary::Class_klass()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2929 st->print(BULLET"signature: ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2930 java_lang_Class::print_signature(obj, st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2931 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2932 Klass* mirrored_klass = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2933 st->print(BULLET"fake entry for mirror: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2934 mirrored_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2935 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2936 Klass* array_klass = java_lang_Class::array_klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2937 st->print(BULLET"fake entry for array: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2938 array_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2939 st->cr();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2940 st->print_cr(BULLET"fake entry for oop_size: %d", java_lang_Class::oop_size(obj));
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2941 st->print_cr(BULLET"fake entry for static_oop_field_count: %d", java_lang_Class::static_oop_field_count(obj));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2942 Klass* real_klass = java_lang_Class::as_Klass(obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2943 if (real_klass != NULL && real_klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2944 InstanceKlass::cast(real_klass)->do_local_static_fields(&print_field);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2945 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2946 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2947 st->print(BULLET"signature: ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2948 java_lang_invoke_MethodType::print_signature(obj, st);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2949 st->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	2950 }
a61af66fc99e Initial load duke parents: diff changeset	2951 }
a61af66fc99e Initial load duke parents: diff changeset	2952
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2953 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2954
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2955 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2956 st->print("a ");
a61af66fc99e Initial load duke parents: diff changeset	2957 name()->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	2958 obj->print_address_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2959 if (this == SystemDictionary::String_klass()
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2960 && java_lang_String::value(obj) != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2961 ResourceMark rm;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2962 int len = java_lang_String::length(obj);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2963 int plen = (len < 24 ? len : 12);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2964 char* str = java_lang_String::as_utf8_string(obj, 0, plen);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2965 st->print(" = \"%s\"", str);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2966 if (len > plen)
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2967 st->print("...[%d]", len);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2968 } else if (this == SystemDictionary::Class_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2969 Klass* k = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2970 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2971 if (k != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2972 k->print_value_on(st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2973 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2974 const char* tname = type2name(java_lang_Class::primitive_type(obj));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2975 st->print("%s", tname ? tname : "type?");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2976 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2977 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2978 st->print(" = ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2979 java_lang_invoke_MethodType::print_signature(obj, st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2980 } else if (java_lang_boxing_object::is_instance(obj)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2981 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2982 java_lang_boxing_object::print(obj, st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2983 } else if (this == SystemDictionary::LambdaForm_klass()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2984 oop vmentry = java_lang_invoke_LambdaForm::vmentry(obj);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2985 if (vmentry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2986 st->print(" => ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2987 vmentry->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2988 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2989 } else if (this == SystemDictionary::MemberName_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2990 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(obj);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2991 if (vmtarget != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2992 st->print(" = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2993 vmtarget->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2994 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2995 java_lang_invoke_MemberName::clazz(obj)->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2996 st->print(".");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2997 java_lang_invoke_MemberName::name(obj)->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2998 }
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2999 }
0 a61af66fc99e Initial load duke parents: diff changeset	3000 }
a61af66fc99e Initial load duke parents: diff changeset	3001
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3002 const char* InstanceKlass::internal_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	3003 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	3004 }
a61af66fc99e Initial load duke parents: diff changeset	3005
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3006 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3007 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3008 void InstanceKlass::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3009 Klass::collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3010
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3011 sz->_inst_size = HeapWordSize * size_helper();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3012 sz->_vtab_bytes = HeapWordSize * align_object_offset(vtable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3013 sz->_itab_bytes = HeapWordSize * align_object_offset(itable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3014 sz->_nonstatic_oopmap_bytes = HeapWordSize *
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3015 ((is_interface() \|\| is_anonymous()) ?
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3016 align_object_offset(nonstatic_oop_map_size()) :
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3017 nonstatic_oop_map_size());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3018
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3019 int n = 0;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3020 n += (sz->_methods_array_bytes = sz->count_array(methods()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3021 n += (sz->_method_ordering_bytes = sz->count_array(method_ordering()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3022 n += (sz->_local_interfaces_bytes = sz->count_array(local_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3023 n += (sz->_transitive_interfaces_bytes = sz->count_array(transitive_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3024 n += (sz->_signers_bytes = sz->count_array(signers()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3025 n += (sz->_fields_bytes = sz->count_array(fields()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3026 n += (sz->_inner_classes_bytes = sz->count_array(inner_classes()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3027 sz->_ro_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3028
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3029 const ConstantPool* cp = constants();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3030 if (cp) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3031 cp->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3032 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3033
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3034 const Annotations* anno = annotations();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3035 if (anno) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3036 anno->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3037 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3038
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3039 const Array<Method> methods_array = methods();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3040 if (methods()) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3041 for (int i = 0; i < methods_array->length(); i++) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3042 Method* method = methods_array->at(i);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3043 if (method) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3044 sz->_method_count ++;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3045 method->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3046 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3047 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3048 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3049 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3050 #endif // INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3051
0 a61af66fc99e Initial load duke parents: diff changeset	3052 // Verification
a61af66fc99e Initial load duke parents: diff changeset	3053
a61af66fc99e Initial load duke parents: diff changeset	3054 class VerifyFieldClosure: public OopClosure {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3055 protected:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3056 template <class T> void do_oop_work(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3057 oop obj = oopDesc::load_decode_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3058 if (!obj->is_oop_or_null()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3059 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj);
0 a61af66fc99e Initial load duke parents: diff changeset	3060 Universe::print();
a61af66fc99e Initial load duke parents: diff changeset	3061 guarantee(false, "boom");
a61af66fc99e Initial load duke parents: diff changeset	3062 }
a61af66fc99e Initial load duke parents: diff changeset	3063 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3064 public:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3065 virtual void do_oop(oop* p) { VerifyFieldClosure::do_oop_work(p); }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3066 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
0 a61af66fc99e Initial load duke parents: diff changeset	3067 };
a61af66fc99e Initial load duke parents: diff changeset	3068
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3069 void InstanceKlass::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3070 Klass::verify_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3071 Thread *thread = Thread::current();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3072
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3073 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3074 // Avoid redundant verifies
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3075 if (_verify_count == Universe::verify_count()) return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3076 _verify_count = Universe::verify_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3077 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3078 // Verify that klass is present in SystemDictionary
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3079 if (is_loaded() && !is_anonymous()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3080 Symbol* h_name = name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3081 SystemDictionary::verify_obj_klass_present(h_name, class_loader_data());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3082 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3083
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3084 // Verify static fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3085 VerifyFieldClosure blk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3086
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3087 // Verify vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3088 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3089 ResourceMark rm(thread);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3090 // $$$ This used to be done only for m/s collections. Doing it
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3091 // always seemed a valid generalization. (DLD -- 6/00)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3092 vtable()->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3093 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3094
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3095 // Verify first subklass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3096 if (subklass_oop() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3097 guarantee(subklass_oop()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3098 guarantee(subklass_oop()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3099 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3100
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3101 // Verify siblings
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3102 Klass* super = this->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3103 Klass* sib = next_sibling();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3104 if (sib != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3105 if (sib == this) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3106 fatal(err_msg("subclass points to itself " PTR_FORMAT, sib));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3107 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3108
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3109 guarantee(sib->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3110 guarantee(sib->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3111 guarantee(sib->super() == super, "siblings should have same superklass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3112 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3113
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3114 // Verify implementor fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3115 Klass* im = implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3116 if (im != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3117 guarantee(is_interface(), "only interfaces should have implementor set");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3118 guarantee(im->is_klass(), "should be klass");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3119 guarantee(!im->is_interface() \|\| im == this,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3120 "implementors cannot be interfaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3121 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3122
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3123 // Verify local interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3124 if (local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3125 Array<Klass> local_interfaces = this->local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3126 for (int j = 0; j < local_interfaces->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3127 Klass* e = local_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3128 guarantee(e->is_klass() && e->is_interface(), "invalid local interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3129 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3130 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3131
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3132 // Verify transitive interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3133 if (transitive_interfaces() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3134 Array<Klass> transitive_interfaces = this->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3135 for (int j = 0; j < transitive_interfaces->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3136 Klass* e = transitive_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3137 guarantee(e->is_klass() && e->is_interface(), "invalid transitive interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3138 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3139 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3140
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3141 // Verify methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3142 if (methods() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3143 Array<Method> methods = this->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3144 for (int j = 0; j < methods->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3145 guarantee(methods->at(j)->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3146 guarantee(methods->at(j)->is_method(), "non-method in methods array");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3147 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3148 for (int j = 0; j < methods->length() - 1; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3149 Method* m1 = methods->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3150 Method* m2 = methods->at(j + 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3151 guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3152 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3153 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3154
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3155 // Verify method ordering
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3156 if (method_ordering() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3157 Array<int>* method_ordering = this->method_ordering();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3158 int length = method_ordering->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3159 if (JvmtiExport::can_maintain_original_method_order() \|\|
9057 8554c55669b0 8010943: guarantee(length == 0) failed: invalid method ordering length hseigel parents: 8719 diff changeset	3160 ((UseSharedSpaces \|\| DumpSharedSpaces) && length != 0)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3161 guarantee(length == methods()->length(), "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3162 jlong sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3163 for (int j = 0; j < length; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3164 int original_index = method_ordering->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3165 guarantee(original_index >= 0, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3166 guarantee(original_index < length, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3167 sum += original_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3168 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3169 // Verify sum of indices 0,1,...,length-1
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3170 guarantee(sum == ((jlong)length*(length-1))/2, "invalid method ordering sum");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3171 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3172 guarantee(length == 0, "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3173 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3174 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3175
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3176 // Verify JNI static field identifiers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3177 if (jni_ids() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3178 jni_ids()->verify(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3179 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3180
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3181 // Verify other fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3182 if (array_klasses() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3183 guarantee(array_klasses()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3184 guarantee(array_klasses()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3185 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3186 if (constants() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3187 guarantee(constants()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3188 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3189 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3190 if (protection_domain() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3191 guarantee(protection_domain()->is_oop(), "should be oop");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3192 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3193 if (host_klass() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3194 guarantee(host_klass()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3195 guarantee(host_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3196 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3197 if (signers() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3198 guarantee(signers()->is_objArray(), "should be obj array");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3199 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3200 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3201
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3202 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	3203 Klass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	3204 VerifyFieldClosure blk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3205 obj->oop_iterate_no_header(&blk);
0 a61af66fc99e Initial load duke parents: diff changeset	3206 }
a61af66fc99e Initial load duke parents: diff changeset	3207
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3208
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3209 // JNIid class for jfieldIDs only
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3210 // Note to reviewers:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3211 // These JNI functions are just moved over to column 1 and not changed
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3212 // in the compressed oops workspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3213 JNIid::JNIid(Klass* holder, int offset, JNIid* next) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3214 _holder = holder;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3215 _offset = offset;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3216 _next = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3217 debug_only(_is_static_field_id = false;)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3218 }
0 a61af66fc99e Initial load duke parents: diff changeset	3219
a61af66fc99e Initial load duke parents: diff changeset	3220
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3221 JNIid* JNIid::find(int offset) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3222 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3223 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3224 if (current->offset() == offset) return current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3225 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3226 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3227 return NULL;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3228 }
0 a61af66fc99e Initial load duke parents: diff changeset	3229
a61af66fc99e Initial load duke parents: diff changeset	3230 void JNIid::deallocate(JNIid* current) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3231 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3232 JNIid* next = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3233 delete current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3234 current = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3235 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3236 }
0 a61af66fc99e Initial load duke parents: diff changeset	3237
a61af66fc99e Initial load duke parents: diff changeset	3238
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3239 void JNIid::verify(Klass* holder) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	3240 int first_field_offset = InstanceMirrorKlass::offset_of_static_fields();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3241 int end_field_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3242 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize);
0 a61af66fc99e Initial load duke parents: diff changeset	3243
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3244 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3245 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3246 guarantee(current->holder() == holder, "Invalid klass in JNIid");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3247 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3248 int o = current->offset();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3249 if (current->is_static_field_id()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3250 guarantee(o >= first_field_offset && o < end_field_offset, "Invalid static field offset in JNIid");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3251 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3252 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3253 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3254 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3255 }
0 a61af66fc99e Initial load duke parents: diff changeset	3256
a61af66fc99e Initial load duke parents: diff changeset	3257
a61af66fc99e Initial load duke parents: diff changeset	3258 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3259 void InstanceKlass::set_init_state(ClassState state) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3260 bool good_state = is_shared() ? (_init_state <= state)
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3261 : (_init_state < state);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3262 assert(good_state \|\| state == allocated, "illegal state transition");
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	3263 _init_state = (u1)state;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3264 }
0 a61af66fc99e Initial load duke parents: diff changeset	3265 #endif
a61af66fc99e Initial load duke parents: diff changeset	3266
a61af66fc99e Initial load duke parents: diff changeset	3267
a61af66fc99e Initial load duke parents: diff changeset	3268 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	3269
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3270 // Purge previous versions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3271 static void purge_previous_versions_internal(InstanceKlass* ik, int emcp_method_count) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3272 if (ik->previous_versions() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3273 // This klass has previous versions so see what we can cleanup
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3274 // while it is safe to do so.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3275
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3276 int deleted_count = 0; // leave debugging breadcrumbs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3277 int live_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3278 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3279 ClassLoaderData::the_null_class_loader_data() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3280 ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3281
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3282 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3283 RC_TRACE(0x00000200, ("purge: %s: previous version length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3284 ik->external_name(), ik->previous_versions()->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3285
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3286 for (int i = ik->previous_versions()->length() - 1; i >= 0; i--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3287 // check the previous versions array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3288 PreviousVersionNode * pv_node = ik->previous_versions()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3289 ConstantPool* cp_ref = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3290 assert(cp_ref != NULL, "cp ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3291
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3292 ConstantPool* pvcp = cp_ref;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3293 if (!pvcp->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3294 // If the constant pool isn't on stack, none of the methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3295 // are executing. Delete all the methods, the constant pool and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3296 // and this previous version node.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3297 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3298 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3299 for (int j = method_refs->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3300 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3301 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3302 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3303 // method will be freed with associated class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3304 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3305 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3306 // Remove the constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3307 delete pv_node;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3308 // Since we are traversing the array backwards, we don't have to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3309 // do anything special with the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3310 ik->previous_versions()->remove_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3311 deleted_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3312 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3313 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3314 RC_TRACE(0x00000200, ("purge: previous version @%d is alive", i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3315 assert(pvcp->pool_holder() != NULL, "Constant pool with no holder");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3316 guarantee (!loader_data->is_unloading(), "unloaded classes can't be on the stack");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3317 live_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3318 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3319
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3320 // At least one method is live in this previous version, clean out
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3321 // the others or mark them as obsolete.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3322 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3323 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3324 RC_TRACE(0x00000200, ("purge: previous methods length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3325 method_refs->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3326 for (int j = method_refs->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3327 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3328 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3329
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3330 // Remove the emcp method if it's not executing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3331 // If it's been made obsolete by a redefinition of a non-emcp
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3332 // method, mark it as obsolete but leave it to clean up later.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3333 if (!method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3334 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3335 } else if (emcp_method_count == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3336 method->set_is_obsolete();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3337 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3338 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3339 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3340 ("purge: %s(%s): prev method @%d in version @%d is alive",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3341 method->name()->as_C_string(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3342 method->signature()->as_C_string(), j, i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3343 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3344 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3345 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3346 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3347 assert(ik->previous_versions()->length() == live_count, "sanity check");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3348 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3349 ("purge: previous version stats: live=%d, deleted=%d", live_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3350 deleted_count));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3351 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3352 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3353
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3354 // External interface for use during class unloading.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3355 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3356 // Call with >0 emcp methods since they are not currently being redefined.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3357 purge_previous_versions_internal(ik, 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3358 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3359
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3360
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3361 // Potentially add an information node that contains pointers to the
0 a61af66fc99e Initial load duke parents: diff changeset	3362 // interesting parts of the previous version of the_class.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3363 // This is also where we clean out any unused references.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3364 // Note that while we delete nodes from the _previous_versions
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3365 // array, we never delete the array itself until the klass is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3366 // unloaded. The has_been_redefined() query depends on that fact.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3367 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3368 void InstanceKlass::add_previous_version(instanceKlassHandle ikh,
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3369 BitMap* emcp_methods, int emcp_method_count) {
0 a61af66fc99e Initial load duke parents: diff changeset	3370 assert(Thread::current()->is_VM_thread(),
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3371 "only VMThread can add previous versions");
0 a61af66fc99e Initial load duke parents: diff changeset	3372
a61af66fc99e Initial load duke parents: diff changeset	3373 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3374 // This is the first previous version so make some space.
a61af66fc99e Initial load duke parents: diff changeset	3375 // Start with 2 elements under the assumption that the class
a61af66fc99e Initial load duke parents: diff changeset	3376 // won't be redefined much.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3377 _previous_versions = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3378 GrowableArray<PreviousVersionNode *>(2, true);
a61af66fc99e Initial load duke parents: diff changeset	3379 }
a61af66fc99e Initial load duke parents: diff changeset	3380
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3381 ConstantPool* cp_ref = ikh->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3382
0 a61af66fc99e Initial load duke parents: diff changeset	3383 // RC_TRACE macro has an embedded ResourceMark
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3384 RC_TRACE(0x00000400, ("adding previous version ref for %s @%d, EMCP_cnt=%d "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3385 "on_stack=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3386 ikh->external_name(), _previous_versions->length(), emcp_method_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3387 cp_ref->on_stack()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3388
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3389 // If the constant pool for this previous version of the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3390 // is not marked as being on the stack, then none of the methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3391 // in this previous version of the class are on the stack so
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3392 // we don't need to create a new PreviousVersionNode. However,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3393 // we still need to examine older previous versions below.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3394 Array<Method> old_methods = ikh->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3395
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3396 if (cp_ref->on_stack()) {
0 a61af66fc99e Initial load duke parents: diff changeset	3397 PreviousVersionNode * pv_node = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3398 if (emcp_method_count == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3399 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3400 pv_node = new PreviousVersionNode(cp_ref, !cp_ref->is_shared(), NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	3401 RC_TRACE(0x00000400,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3402 ("add: all methods are obsolete; flushing any EMCP refs"));
0 a61af66fc99e Initial load duke parents: diff changeset	3403 } else {
a61af66fc99e Initial load duke parents: diff changeset	3404 int local_count = 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3405 GrowableArray<Method> method_refs = new (ResourceObj::C_HEAP, mtClass)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3406 GrowableArray<Method*>(emcp_method_count, true);
0 a61af66fc99e Initial load duke parents: diff changeset	3407 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3408 if (emcp_methods->at(i)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3409 // this old method is EMCP. Save it only if it's on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3410 Method* old_method = old_methods->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3411 if (old_method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3412 method_refs->append(old_method);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3413 }
0 a61af66fc99e Initial load duke parents: diff changeset	3414 if (++local_count >= emcp_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3415 // no more EMCP methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3416 break;
a61af66fc99e Initial load duke parents: diff changeset	3417 }
a61af66fc99e Initial load duke parents: diff changeset	3418 }
a61af66fc99e Initial load duke parents: diff changeset	3419 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3420 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3421 pv_node = new PreviousVersionNode(cp_ref, !cp_ref->is_shared(), method_refs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3422 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3423 // append new previous version.
0 a61af66fc99e Initial load duke parents: diff changeset	3424 _previous_versions->append(pv_node);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3425 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3426
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3427 // Since the caller is the VMThread and we are at a safepoint, this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3428 // is a good time to clear out unused references.
0 a61af66fc99e Initial load duke parents: diff changeset	3429
a61af66fc99e Initial load duke parents: diff changeset	3430 RC_TRACE(0x00000400, ("add: previous version length=%d",
a61af66fc99e Initial load duke parents: diff changeset	3431 _previous_versions->length()));
a61af66fc99e Initial load duke parents: diff changeset	3432
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3433 // Purge previous versions not executing on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3434 purge_previous_versions_internal(this, emcp_method_count);
0 a61af66fc99e Initial load duke parents: diff changeset	3435
a61af66fc99e Initial load duke parents: diff changeset	3436 int obsolete_method_count = old_methods->length() - emcp_method_count;
a61af66fc99e Initial load duke parents: diff changeset	3437
a61af66fc99e Initial load duke parents: diff changeset	3438 if (emcp_method_count != 0 && obsolete_method_count != 0 &&
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3439 _previous_versions->length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3440 // We have a mix of obsolete and EMCP methods so we have to
0 a61af66fc99e Initial load duke parents: diff changeset	3441 // clear out any matching EMCP method entries the hard way.
a61af66fc99e Initial load duke parents: diff changeset	3442 int local_count = 0;
a61af66fc99e Initial load duke parents: diff changeset	3443 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3444 if (!emcp_methods->at(i)) {
a61af66fc99e Initial load duke parents: diff changeset	3445 // only obsolete methods are interesting
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3446 Method* old_method = old_methods->at(i);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3447 Symbol* m_name = old_method->name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3448 Symbol* m_signature = old_method->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	3449
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3450 // we might not have added the last entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3451 for (int j = _previous_versions->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3452 // check the previous versions array for non executing obsolete methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3453 PreviousVersionNode * pv_node = _previous_versions->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3454
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3455 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3456 if (method_refs == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3457 // We have run into a PreviousVersion generation where
a61af66fc99e Initial load duke parents: diff changeset	3458 // all methods were made obsolete during that generation's
a61af66fc99e Initial load duke parents: diff changeset	3459 // RedefineClasses() operation. At the time of that
a61af66fc99e Initial load duke parents: diff changeset	3460 // operation, all EMCP methods were flushed so we don't
a61af66fc99e Initial load duke parents: diff changeset	3461 // have to go back any further.
a61af66fc99e Initial load duke parents: diff changeset	3462 //
a61af66fc99e Initial load duke parents: diff changeset	3463 // A NULL method_refs is different than an empty method_refs.
a61af66fc99e Initial load duke parents: diff changeset	3464 // We cannot infer any optimizations about older generations
a61af66fc99e Initial load duke parents: diff changeset	3465 // from an empty method_refs for the current generation.
a61af66fc99e Initial load duke parents: diff changeset	3466 break;
a61af66fc99e Initial load duke parents: diff changeset	3467 }
a61af66fc99e Initial load duke parents: diff changeset	3468
a61af66fc99e Initial load duke parents: diff changeset	3469 for (int k = method_refs->length() - 1; k >= 0; k--) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3470 Method* method = method_refs->at(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3471
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3472 if (!method->is_obsolete() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3473 method->name() == m_name &&
0 a61af66fc99e Initial load duke parents: diff changeset	3474 method->signature() == m_signature) {
a61af66fc99e Initial load duke parents: diff changeset	3475 // The current RedefineClasses() call has made all EMCP
a61af66fc99e Initial load duke parents: diff changeset	3476 // versions of this method obsolete so mark it as obsolete
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3477 // and remove the reference.
0 a61af66fc99e Initial load duke parents: diff changeset	3478 RC_TRACE(0x00000400,
a61af66fc99e Initial load duke parents: diff changeset	3479 ("add: %s(%s): flush obsolete method @%d in version @%d",
a61af66fc99e Initial load duke parents: diff changeset	3480 m_name->as_C_string(), m_signature->as_C_string(), k, j));
a61af66fc99e Initial load duke parents: diff changeset	3481
a61af66fc99e Initial load duke parents: diff changeset	3482 method->set_is_obsolete();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3483 // Leave obsolete methods on the previous version list to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3484 // clean up later.
0 a61af66fc99e Initial load duke parents: diff changeset	3485 break;
a61af66fc99e Initial load duke parents: diff changeset	3486 }
a61af66fc99e Initial load duke parents: diff changeset	3487 }
a61af66fc99e Initial load duke parents: diff changeset	3488
a61af66fc99e Initial load duke parents: diff changeset	3489 // The previous loop may not find a matching EMCP method, but
a61af66fc99e Initial load duke parents: diff changeset	3490 // that doesn't mean that we can optimize and not go any
a61af66fc99e Initial load duke parents: diff changeset	3491 // further back in the PreviousVersion generations. The EMCP
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3492 // method for this generation could have already been deleted,
0 a61af66fc99e Initial load duke parents: diff changeset	3493 // but there still may be an older EMCP method that has not
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3494 // been deleted.
0 a61af66fc99e Initial load duke parents: diff changeset	3495 }
a61af66fc99e Initial load duke parents: diff changeset	3496
a61af66fc99e Initial load duke parents: diff changeset	3497 if (++local_count >= obsolete_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3498 // no more obsolete methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3499 break;
a61af66fc99e Initial load duke parents: diff changeset	3500 }
a61af66fc99e Initial load duke parents: diff changeset	3501 }
a61af66fc99e Initial load duke parents: diff changeset	3502 }
a61af66fc99e Initial load duke parents: diff changeset	3503 }
a61af66fc99e Initial load duke parents: diff changeset	3504 } // end add_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3505
a61af66fc99e Initial load duke parents: diff changeset	3506
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3507 // Determine if InstanceKlass has a previous version.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3508 bool InstanceKlass::has_previous_version() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3509 return (_previous_versions != NULL && _previous_versions->length() > 0);
0 a61af66fc99e Initial load duke parents: diff changeset	3510 } // end has_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3511
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3512
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3513 Method* InstanceKlass::method_with_idnum(int idnum) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3514 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3515 if (idnum < methods()->length()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3516 m = methods()->at(idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	3517 }
a61af66fc99e Initial load duke parents: diff changeset	3518 if (m == NULL \|\| m->method_idnum() != idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3519 for (int index = 0; index < methods()->length(); ++index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3520 m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	3521 if (m->method_idnum() == idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3522 return m;
a61af66fc99e Initial load duke parents: diff changeset	3523 }
a61af66fc99e Initial load duke parents: diff changeset	3524 }
a61af66fc99e Initial load duke parents: diff changeset	3525 }
a61af66fc99e Initial load duke parents: diff changeset	3526 return m;
a61af66fc99e Initial load duke parents: diff changeset	3527 }
a61af66fc99e Initial load duke parents: diff changeset	3528
a61af66fc99e Initial load duke parents: diff changeset	3529
a61af66fc99e Initial load duke parents: diff changeset	3530 // Construct a PreviousVersionNode entry for the array hung off
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3531 // the InstanceKlass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3532 PreviousVersionNode::PreviousVersionNode(ConstantPool* prev_constant_pool,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3533 bool prev_cp_is_weak, GrowableArray<Method> prev_EMCP_methods) {
0 a61af66fc99e Initial load duke parents: diff changeset	3534
a61af66fc99e Initial load duke parents: diff changeset	3535 _prev_constant_pool = prev_constant_pool;
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	3536 _prev_cp_is_weak = prev_cp_is_weak;
0 a61af66fc99e Initial load duke parents: diff changeset	3537 _prev_EMCP_methods = prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3538 }
a61af66fc99e Initial load duke parents: diff changeset	3539
a61af66fc99e Initial load duke parents: diff changeset	3540
a61af66fc99e Initial load duke parents: diff changeset	3541 // Destroy a PreviousVersionNode
a61af66fc99e Initial load duke parents: diff changeset	3542 PreviousVersionNode::~PreviousVersionNode() {
a61af66fc99e Initial load duke parents: diff changeset	3543 if (_prev_constant_pool != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3544 _prev_constant_pool = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3545 }
a61af66fc99e Initial load duke parents: diff changeset	3546
a61af66fc99e Initial load duke parents: diff changeset	3547 if (_prev_EMCP_methods != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3548 delete _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3549 }
a61af66fc99e Initial load duke parents: diff changeset	3550 }
a61af66fc99e Initial load duke parents: diff changeset	3551
a61af66fc99e Initial load duke parents: diff changeset	3552
a61af66fc99e Initial load duke parents: diff changeset	3553 // Construct a PreviousVersionInfo entry
a61af66fc99e Initial load duke parents: diff changeset	3554 PreviousVersionInfo::PreviousVersionInfo(PreviousVersionNode *pv_node) {
a61af66fc99e Initial load duke parents: diff changeset	3555 _prev_constant_pool_handle = constantPoolHandle(); // NULL handle
a61af66fc99e Initial load duke parents: diff changeset	3556 _prev_EMCP_method_handles = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3557
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3558 ConstantPool* cp = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3559 assert(cp != NULL, "constant pool ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3560 if (cp == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3561 return; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3562 }
a61af66fc99e Initial load duke parents: diff changeset	3563
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3564 // make the ConstantPool* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3565 _prev_constant_pool_handle = constantPoolHandle(cp);
a61af66fc99e Initial load duke parents: diff changeset	3566
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3567 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3568 if (method_refs == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3569 // the InstanceKlass did not have any EMCP methods
0 a61af66fc99e Initial load duke parents: diff changeset	3570 return;
a61af66fc99e Initial load duke parents: diff changeset	3571 }
a61af66fc99e Initial load duke parents: diff changeset	3572
a61af66fc99e Initial load duke parents: diff changeset	3573 _prev_EMCP_method_handles = new GrowableArray<methodHandle>(10);
a61af66fc99e Initial load duke parents: diff changeset	3574
a61af66fc99e Initial load duke parents: diff changeset	3575 int n_methods = method_refs->length();
a61af66fc99e Initial load duke parents: diff changeset	3576 for (int i = 0; i < n_methods; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3577 Method* method = method_refs->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3578 assert (method != NULL, "method has been cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3579 if (method == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3580 continue; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3581 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3582 // make the Method* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3583 _prev_EMCP_method_handles->append(methodHandle(method));
a61af66fc99e Initial load duke parents: diff changeset	3584 }
a61af66fc99e Initial load duke parents: diff changeset	3585 }
a61af66fc99e Initial load duke parents: diff changeset	3586
a61af66fc99e Initial load duke parents: diff changeset	3587
a61af66fc99e Initial load duke parents: diff changeset	3588 // Destroy a PreviousVersionInfo
a61af66fc99e Initial load duke parents: diff changeset	3589 PreviousVersionInfo::~PreviousVersionInfo() {
a61af66fc99e Initial load duke parents: diff changeset	3590 // Since _prev_EMCP_method_handles is not C-heap allocated, we
a61af66fc99e Initial load duke parents: diff changeset	3591 // don't have to delete it.
a61af66fc99e Initial load duke parents: diff changeset	3592 }
a61af66fc99e Initial load duke parents: diff changeset	3593
a61af66fc99e Initial load duke parents: diff changeset	3594
a61af66fc99e Initial load duke parents: diff changeset	3595 // Construct a helper for walking the previous versions array
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3596 PreviousVersionWalker::PreviousVersionWalker(InstanceKlass *ik) {
0 a61af66fc99e Initial load duke parents: diff changeset	3597 _previous_versions = ik->previous_versions();
a61af66fc99e Initial load duke parents: diff changeset	3598 _current_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	3599 // _hm needs no initialization
a61af66fc99e Initial load duke parents: diff changeset	3600 _current_p = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3601 }
a61af66fc99e Initial load duke parents: diff changeset	3602
a61af66fc99e Initial load duke parents: diff changeset	3603
a61af66fc99e Initial load duke parents: diff changeset	3604 // Destroy a PreviousVersionWalker
a61af66fc99e Initial load duke parents: diff changeset	3605 PreviousVersionWalker::~PreviousVersionWalker() {
a61af66fc99e Initial load duke parents: diff changeset	3606 // Delete the current info just in case the caller didn't walk to
a61af66fc99e Initial load duke parents: diff changeset	3607 // the end of the previous versions list. No harm if _current_p is
a61af66fc99e Initial load duke parents: diff changeset	3608 // already NULL.
a61af66fc99e Initial load duke parents: diff changeset	3609 delete _current_p;
a61af66fc99e Initial load duke parents: diff changeset	3610
a61af66fc99e Initial load duke parents: diff changeset	3611 // When _hm is destroyed, all the Handles returned in
a61af66fc99e Initial load duke parents: diff changeset	3612 // PreviousVersionInfo objects will be destroyed.
a61af66fc99e Initial load duke parents: diff changeset	3613 // Also, after this destructor is finished it will be
a61af66fc99e Initial load duke parents: diff changeset	3614 // safe to delete the GrowableArray allocated in the
a61af66fc99e Initial load duke parents: diff changeset	3615 // PreviousVersionInfo objects.
a61af66fc99e Initial load duke parents: diff changeset	3616 }
a61af66fc99e Initial load duke parents: diff changeset	3617
a61af66fc99e Initial load duke parents: diff changeset	3618
a61af66fc99e Initial load duke parents: diff changeset	3619 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	3620 // of the klass. Returns NULL if there are no more previous versions.
a61af66fc99e Initial load duke parents: diff changeset	3621 PreviousVersionInfo* PreviousVersionWalker::next_previous_version() {
a61af66fc99e Initial load duke parents: diff changeset	3622 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3623 // no previous versions so nothing to return
a61af66fc99e Initial load duke parents: diff changeset	3624 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3625 }
a61af66fc99e Initial load duke parents: diff changeset	3626
a61af66fc99e Initial load duke parents: diff changeset	3627 delete _current_p; // cleanup the previous info for the caller
a61af66fc99e Initial load duke parents: diff changeset	3628 _current_p = NULL; // reset to NULL so we don't delete same object twice
a61af66fc99e Initial load duke parents: diff changeset	3629
a61af66fc99e Initial load duke parents: diff changeset	3630 int length = _previous_versions->length();
a61af66fc99e Initial load duke parents: diff changeset	3631
a61af66fc99e Initial load duke parents: diff changeset	3632 while (_current_index < length) {
a61af66fc99e Initial load duke parents: diff changeset	3633 PreviousVersionNode * pv_node = _previous_versions->at(_current_index++);
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3634 PreviousVersionInfo * pv_info = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3635 PreviousVersionInfo(pv_node);
a61af66fc99e Initial load duke parents: diff changeset	3636
a61af66fc99e Initial load duke parents: diff changeset	3637 constantPoolHandle cp_h = pv_info->prev_constant_pool_handle();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3638 assert (!cp_h.is_null(), "null cp found in previous version");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3639
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3640 // The caller will need to delete pv_info when they are done with it.
0 a61af66fc99e Initial load duke parents: diff changeset	3641 _current_p = pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3642 return pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3643 }
a61af66fc99e Initial load duke parents: diff changeset	3644
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3645 // all of the underlying nodes' info has been deleted
0 a61af66fc99e Initial load duke parents: diff changeset	3646 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3647 } // end next_previous_version()

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.cpp @ 9126:bc26f978b0ce