graal-compiler: src/share/vm/oops/instanceKlass.cpp annotate

annotate src/share/vm/oops/instanceKlass.cpp @ 6934:4735d2c84362

7200776: Implement default methods in interfaces Summary: Add generic type analysis and default method selection algorithms Reviewed-by: coleenp, acorn

author	kamg
date	Thu, 11 Oct 2012 12:25:42 -0400
parents	d8ce2825b193
children	e522a00b91aa bd7a7ce2e264 070d523b96a7

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
5935 a735aec54ea4 7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02 sspitsyn parents: 4739 diff changeset	2 * Copyright (c) 1997, 2012, 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"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	37 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	38 #include "memory/oopFactory.hpp"
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	39 #include "oops/fieldStreams.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	40 #include "oops/instanceClassLoaderKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	41 #include "oops/instanceKlass.hpp"
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	42 #include "oops/instanceMirrorKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	43 #include "oops/instanceOop.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	44 #include "oops/klass.inline.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	45 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	46 #include "oops/oop.inline.hpp"
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	47 #include "oops/symbol.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	48 #include "prims/jvmtiExport.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	49 #include "prims/jvmtiRedefineClassesTrace.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	50 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	51 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	52 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	53 #include "runtime/mutexLocker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	54 #include "services/threadService.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	55 #include "utilities/dtrace.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	56 #ifdef TARGET_OS_FAMILY_linux
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	57 # include "thread_linux.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	58 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	59 #ifdef TARGET_OS_FAMILY_solaris
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	60 # include "thread_solaris.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	61 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	62 #ifdef TARGET_OS_FAMILY_windows
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	63 # include "thread_windows.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	64 #endif
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 3939 diff changeset	65 #ifdef TARGET_OS_FAMILY_bsd
f08d439fab8c 7089790: integrate bsd-port changes never parents: 3939 diff changeset	66 # include "thread_bsd.inline.hpp"
f08d439fab8c 7089790: integrate bsd-port changes never parents: 3939 diff changeset	67 #endif
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	68 #ifndef SERIALGC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	69 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	70 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	71 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	72 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	73 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	74 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	75 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	76 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	77 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	78 #include "oops/oop.pcgc.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	79 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	80 #ifdef COMPILER1
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	81 #include "c1/c1_Compiler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	82 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	83
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	84 #ifdef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	85
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	86 #ifndef USDT2
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	87
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	88 HS_DTRACE_PROBE_DECL4(hotspot, class__initialization__required,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	89 char*, intptr_t, oop, intptr_t);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	90 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__recursive,
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__concurrent,
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__erroneous,
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 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__super__failed,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	97 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	98 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__clinit,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	99 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	100 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__error,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	101 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	102 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	103 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	104
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	105 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	106 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	107 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	108 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	109 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	110 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	111 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	112 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	113 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	114 HS_DTRACE_PROBE4(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	115 data, len, (clss)->class_loader(), thread_type); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	116 }
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	117
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	118 #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	119 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	120 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	121 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	122 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	123 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	124 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	125 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	126 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	127 HS_DTRACE_PROBE5(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	128 data, len, (clss)->class_loader(), thread_type, wait); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	129 }
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	130 #else /* USDT2 */
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	131
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	132 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	133 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	134 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	135 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	136 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	137 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	138 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	139 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	140 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	141 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	142 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	143 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	144 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	145 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	146 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	147 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	148 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	149 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	150 data, len, (clss)->class_loader(), thread_type); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	151 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	152
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	153 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	154 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	155 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	156 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	157 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	158 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	159 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	160 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	161 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	162 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	163 data, len, (clss)->class_loader(), thread_type, wait); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	164 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	165 #endif /* USDT2 */
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	166
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	167 #else // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	168
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	169 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	170 #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	171
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	172 #endif // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	173
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	174 Klass* InstanceKlass::allocate_instance_klass(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	175 int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	176 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	177 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	178 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	179 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	180 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	181 Symbol* name,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	182 Klass* super_klass,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	183 KlassHandle host_klass,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	184 TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	185
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	186 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 access_flags.is_interface(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	188 !host_klass.is_null());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	189
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	190 // Allocation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	191 InstanceKlass* ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	192 if (rt == REF_NONE) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 if (name == vmSymbols::java_lang_Class()) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	194 ik = new (loader_data, size, THREAD) InstanceMirrorKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	195 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	196 access_flags, !host_klass.is_null());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	197 } else if (name == vmSymbols::java_lang_ClassLoader() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	198 (SystemDictionary::ClassLoader_klass_loaded() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	199 super_klass != NULL &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	200 super_klass->is_subtype_of(SystemDictionary::ClassLoader_klass()))) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	201 ik = new (loader_data, size, THREAD) InstanceClassLoaderKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	202 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	203 access_flags, !host_klass.is_null());
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 // normal class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	206 ik = new (loader_data, size, THREAD) InstanceKlass(
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,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	208 access_flags, !host_klass.is_null());
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 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	211 // reference klass
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	212 ik = new (loader_data, size, THREAD) InstanceRefKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	213 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	214 access_flags, !host_klass.is_null());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	215 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	216
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	217 return ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	218 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	219
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	220 InstanceKlass::InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	221 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	222 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	223 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	224 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	225 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	226 bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	227 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	228
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	229 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	230 access_flags.is_interface(), is_anonymous);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	231
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	232 // The sizes of these these three variables are used for determining the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	233 // size of the instanceKlassOop. It is critical that these are set to the right
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	234 // sizes before the first GC, i.e., when we allocate the mirror.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	235 this->set_vtable_length(vtable_len);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	236 this->set_itable_length(itable_len);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	237 this->set_static_field_size(static_field_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	238 this->set_nonstatic_oop_map_size(nonstatic_oop_map_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	239 this->set_access_flags(access_flags);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	240 this->set_is_anonymous(is_anonymous);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	241 assert(this->size() == size, "wrong size for object");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	242
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	243 this->set_array_klasses(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 this->set_methods(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	245 this->set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	246 this->set_local_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	247 this->set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	248 this->init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	249 this->set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	250 this->set_constants(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	251 this->set_class_loader_data(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	252 this->set_protection_domain(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	253 this->set_signers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	254 this->set_source_file_name(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	255 this->set_source_debug_extension(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	256 this->set_array_name(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	257 this->set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	258 this->set_static_oop_field_count(0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	259 this->set_nonstatic_field_size(0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	260 this->set_is_marked_dependent(false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	261 this->set_init_state(InstanceKlass::allocated);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	262 this->set_init_thread(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	263 this->set_init_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	264 this->set_reference_type(rt);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	265 this->set_oop_map_cache(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	266 this->set_jni_ids(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	267 this->set_osr_nmethods_head(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	268 this->set_breakpoints(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	269 this->init_previous_versions();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	270 this->set_generic_signature(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	271 this->release_set_methods_jmethod_ids(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	272 this->release_set_methods_cached_itable_indices(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	273 this->set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	274 this->set_jvmti_cached_class_field_map(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	275 this->set_initial_method_idnum(0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	276
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	277 // initialize the non-header words to zero
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	278 intptr_t* p = (intptr_t*)this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	279 for (int index = InstanceKlass::header_size(); index < size; index++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	280 p[index] = NULL_WORD;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	281 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	282
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	283 // 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	284 // size.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	285 this->set_layout_helper(Klass::instance_layout_helper(0, true));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	286 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	287
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	288
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	289 // 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	290 // InstanceKlass points to.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	291 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	292
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	293 // Orphan the mirror first, CMS thinks it's still live.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	294 java_lang_Class::set_klass(java_mirror(), NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	295
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	296 // 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	297 loader_data->remove_class(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	298
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	299 // 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	300 // 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	301 // 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	302 // to deallocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	303 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	304
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	305 // 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	306 // reference counting symbol names.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	307 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	309 Array<Method> ms = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	310 if (ms != Universe::the_empty_method_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	311 for (int i = 0; i <= methods()->length() -1 ; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	312 Method* method = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	313 // Only want to delete methods that are not executing for RedefineClasses.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	314 // The previous version will point to them so they're not totally dangling
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	315 assert (!method->on_stack(), "shouldn't be called with methods on stack");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	316 MetadataFactory::free_metadata(loader_data, method);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	317 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	318 MetadataFactory::free_array<Method*>(loader_data, methods());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	319 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	320 set_methods(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	321
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	322 if (method_ordering() != Universe::the_empty_int_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	323 MetadataFactory::free_array<int>(loader_data, method_ordering());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	324 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	325 set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	326
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	327 // 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	328 // 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	329 // interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	330 if (secondary_supers() != Universe::the_empty_klass_array() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	331 secondary_supers() != transitive_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	332 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	333 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	334 set_secondary_supers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	335
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	336 // Only deallocate transitive interfaces if not empty, same as super class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	337 // or same as local interfaces. See code in parseClassFile.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	338 Array<Klass> ti = transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	339 if (ti != Universe::the_empty_klass_array() && ti != local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	340 // check that the interfaces don't come from super class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	341 Array<Klass> sti = (super() == NULL) ? NULL :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	342 InstanceKlass::cast(super())->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	343 if (ti != sti) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	344 MetadataFactory::free_array<Klass*>(loader_data, ti);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	345 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	346 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	347 set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	348
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	349 // local interfaces can be empty
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	350 Array<Klass> li = local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 if (li != Universe::the_empty_klass_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352 MetadataFactory::free_array<Klass*>(loader_data, li);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	353 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	354 set_local_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	355
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	356 MetadataFactory::free_array<jushort>(loader_data, fields());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	357 set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	358
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	359 // 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	360 // delete it, yet. The new class's previous version will point to this.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	361 assert (!constants()->on_stack(), "shouldn't be called if anything is onstack");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	362 MetadataFactory::free_metadata(loader_data, constants());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	363 set_constants(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	364
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	365 if (inner_classes() != Universe::the_empty_short_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	366 MetadataFactory::free_array<jushort>(loader_data, inner_classes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	367 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	368 set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	369
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	370 // 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	371 // alive once this InstanceKlass is deallocated.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	372 set_protection_domain(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	373 set_signers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	374 set_init_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375 set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	376 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	377
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378 volatile oop InstanceKlass::init_lock() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379 volatile oop lock = _init_lock; // read once
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	380 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	381 "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	382 return lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	383 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	384
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 // 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	386 // 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	387 // 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	388 // the lock and return.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	389 void InstanceKlass::fence_and_clear_init_lock() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	390 // 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	391 OrderAccess::storestore();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392 klass_oop_store(&_init_lock, NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 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	394 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	395
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 bool InstanceKlass::should_be_initialized() const {
0 a61af66fc99e Initial load duke parents: diff changeset	398 return !is_initialized();
a61af66fc99e Initial load duke parents: diff changeset	399 }
a61af66fc99e Initial load duke parents: diff changeset	400
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	401 klassVtable* InstanceKlass::vtable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	402 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size());
0 a61af66fc99e Initial load duke parents: diff changeset	403 }
a61af66fc99e Initial load duke parents: diff changeset	404
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	405 klassItable* InstanceKlass::itable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	406 return new klassItable(instanceKlassHandle(this));
0 a61af66fc99e Initial load duke parents: diff changeset	407 }
a61af66fc99e Initial load duke parents: diff changeset	408
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409 void InstanceKlass::eager_initialize(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	410 if (!EagerInitialization) return;
a61af66fc99e Initial load duke parents: diff changeset	411
a61af66fc99e Initial load duke parents: diff changeset	412 if (this->is_not_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	413 // abort if the the class has a class initializer
a61af66fc99e Initial load duke parents: diff changeset	414 if (this->class_initializer() != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	415
a61af66fc99e Initial load duke parents: diff changeset	416 // 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	417 Klass* super = this->super();
0 a61af66fc99e Initial load duke parents: diff changeset	418 if (super == NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	419
a61af66fc99e Initial load duke parents: diff changeset	420 // 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	421 if (!InstanceKlass::cast(super)->is_initialized()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	422
a61af66fc99e Initial load duke parents: diff changeset	423 // call body to expose the this pointer
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	424 instanceKlassHandle this_oop(thread, this);
0 a61af66fc99e Initial load duke parents: diff changeset	425 eager_initialize_impl(this_oop);
a61af66fc99e Initial load duke parents: diff changeset	426 }
a61af66fc99e Initial load duke parents: diff changeset	427 }
a61af66fc99e Initial load duke parents: diff changeset	428
a61af66fc99e Initial load duke parents: diff changeset	429
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) {
0 a61af66fc99e Initial load duke parents: diff changeset	431 EXCEPTION_MARK;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	432 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	433 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	434
a61af66fc99e Initial load duke parents: diff changeset	435 // abort if someone beat us to the initialization
a61af66fc99e Initial load duke parents: diff changeset	436 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	437
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	438 ClassState old_state = this_oop->init_state();
0 a61af66fc99e Initial load duke parents: diff changeset	439 link_class_impl(this_oop, true, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	440 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	441 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	442 // Abort if linking the class throws an exception.
a61af66fc99e Initial load duke parents: diff changeset	443
a61af66fc99e Initial load duke parents: diff changeset	444 // Use a test to avoid redundantly resetting the state if there's
a61af66fc99e Initial load duke parents: diff changeset	445 // no change. Set_init_state() asserts that state changes make
a61af66fc99e Initial load duke parents: diff changeset	446 // progress, whereas here we might just be spinning in place.
a61af66fc99e Initial load duke parents: diff changeset	447 if( old_state != this_oop->_init_state )
a61af66fc99e Initial load duke parents: diff changeset	448 this_oop->set_init_state (old_state);
a61af66fc99e Initial load duke parents: diff changeset	449 } else {
a61af66fc99e Initial load duke parents: diff changeset	450 // linking successfull, mark class as initialized
a61af66fc99e Initial load duke parents: diff changeset	451 this_oop->set_init_state (fully_initialized);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	452 this_oop->fence_and_clear_init_lock();
0 a61af66fc99e Initial load duke parents: diff changeset	453 // trace
a61af66fc99e Initial load duke parents: diff changeset	454 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	455 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	456 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name());
a61af66fc99e Initial load duke parents: diff changeset	457 }
a61af66fc99e Initial load duke parents: diff changeset	458 }
a61af66fc99e Initial load duke parents: diff changeset	459 }
a61af66fc99e Initial load duke parents: diff changeset	460
a61af66fc99e Initial load duke parents: diff changeset	461
a61af66fc99e Initial load duke parents: diff changeset	462 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization
a61af66fc99e Initial load duke parents: diff changeset	463 // process. The step comments refers to the procedure described in that section.
a61af66fc99e Initial load duke parents: diff changeset	464 // 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	465 void InstanceKlass::initialize(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	466 if (this->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	467 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	468 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	469 initialize_impl(this_oop, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	470 // Note: at this point the class may be initialized
a61af66fc99e Initial load duke parents: diff changeset	471 // OR it may be in the state of being initialized
a61af66fc99e Initial load duke parents: diff changeset	472 // in case of recursive initialization!
a61af66fc99e Initial load duke parents: diff changeset	473 } else {
a61af66fc99e Initial load duke parents: diff changeset	474 assert(is_initialized(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	475 }
a61af66fc99e Initial load duke parents: diff changeset	476 }
a61af66fc99e Initial load duke parents: diff changeset	477
a61af66fc99e Initial load duke parents: diff changeset	478
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	479 bool InstanceKlass::verify_code(
0 a61af66fc99e Initial load duke parents: diff changeset	480 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	481 // 1) Verify the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	482 Verifier::Mode mode =
a61af66fc99e Initial load duke parents: diff changeset	483 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 964 diff changeset	484 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	485 }
a61af66fc99e Initial load duke parents: diff changeset	486
a61af66fc99e Initial load duke parents: diff changeset	487
a61af66fc99e Initial load duke parents: diff changeset	488 // Used exclusively by the shared spaces dump mechanism to prevent
a61af66fc99e Initial load duke parents: diff changeset	489 // classes mapped into the shared regions in new VMs from appearing linked.
a61af66fc99e Initial load duke parents: diff changeset	490
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	491 void InstanceKlass::unlink_class() {
0 a61af66fc99e Initial load duke parents: diff changeset	492 assert(is_linked(), "must be linked");
a61af66fc99e Initial load duke parents: diff changeset	493 _init_state = loaded;
a61af66fc99e Initial load duke parents: diff changeset	494 }
a61af66fc99e Initial load duke parents: diff changeset	495
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	496 void InstanceKlass::link_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	497 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	498 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	499 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	500 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	501 link_class_impl(this_oop, true, CHECK);
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 // Called to verify that a class can link during initialization, without
a61af66fc99e Initial load duke parents: diff changeset	506 // throwing a VerifyError.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	507 bool InstanceKlass::link_class_or_fail(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	508 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	509 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	510 HandleMark hm(THREAD);
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 link_class_impl(this_oop, false, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	513 }
a61af66fc99e Initial load duke parents: diff changeset	514 return is_linked();
a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	517 bool InstanceKlass::link_class_impl(
0 a61af66fc99e Initial load duke parents: diff changeset	518 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	519 // check for error state
a61af66fc99e Initial load duke parents: diff changeset	520 if (this_oop->is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	521 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	522 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(),
a61af66fc99e Initial load duke parents: diff changeset	523 this_oop->external_name(), false);
a61af66fc99e Initial load duke parents: diff changeset	524 }
a61af66fc99e Initial load duke parents: diff changeset	525 // return if already verified
a61af66fc99e Initial load duke parents: diff changeset	526 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	527 return true;
a61af66fc99e Initial load duke parents: diff changeset	528 }
a61af66fc99e Initial load duke parents: diff changeset	529
a61af66fc99e Initial load duke parents: diff changeset	530 // Timing
a61af66fc99e Initial load duke parents: diff changeset	531 // timer handles recursion
a61af66fc99e Initial load duke parents: diff changeset	532 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl");
a61af66fc99e Initial load duke parents: diff changeset	533 JavaThread* jt = (JavaThread*)THREAD;
a61af66fc99e Initial load duke parents: diff changeset	534
a61af66fc99e Initial load duke parents: diff changeset	535 // link super class before linking this class
a61af66fc99e Initial load duke parents: diff changeset	536 instanceKlassHandle super(THREAD, this_oop->super());
a61af66fc99e Initial load duke parents: diff changeset	537 if (super.not_null()) {
a61af66fc99e Initial load duke parents: diff changeset	538 if (super->is_interface()) { // check if super class is an interface
a61af66fc99e Initial load duke parents: diff changeset	539 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	540 Exceptions::fthrow(
a61af66fc99e Initial load duke parents: diff changeset	541 THREAD_AND_LOCATION,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	542 vmSymbols::java_lang_IncompatibleClassChangeError(),
0 a61af66fc99e Initial load duke parents: diff changeset	543 "class %s has interface %s as super class",
a61af66fc99e Initial load duke parents: diff changeset	544 this_oop->external_name(),
a61af66fc99e Initial load duke parents: diff changeset	545 super->external_name()
a61af66fc99e Initial load duke parents: diff changeset	546 );
a61af66fc99e Initial load duke parents: diff changeset	547 return false;
a61af66fc99e Initial load duke parents: diff changeset	548 }
a61af66fc99e Initial load duke parents: diff changeset	549
a61af66fc99e Initial load duke parents: diff changeset	550 link_class_impl(super, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	551 }
a61af66fc99e Initial load duke parents: diff changeset	552
a61af66fc99e Initial load duke parents: diff changeset	553 // 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	554 Array<Klass> interfaces = this_oop->local_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	555 int num_interfaces = interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	556 for (int index = 0; index < num_interfaces; index++) {
a61af66fc99e Initial load duke parents: diff changeset	557 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	558 instanceKlassHandle ih(THREAD, interfaces->at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	559 link_class_impl(ih, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	560 }
a61af66fc99e Initial load duke parents: diff changeset	561
a61af66fc99e Initial load duke parents: diff changeset	562 // in case the class is linked in the process of linking its superclasses
a61af66fc99e Initial load duke parents: diff changeset	563 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	564 return true;
a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	567 // 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	568 // the verification time
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	569 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	570 ClassLoader::perf_class_link_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	571 ClassLoader::perf_classes_linked(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	572 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	573 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	574 PerfClassTraceTime::CLASS_LINK);
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	575
0 a61af66fc99e Initial load duke parents: diff changeset	576 // verification & rewriting
a61af66fc99e Initial load duke parents: diff changeset	577 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	578 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	579 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	580 // rewritten will have been set if loader constraint error found
a61af66fc99e Initial load duke parents: diff changeset	581 // on an earlier link attempt
a61af66fc99e Initial load duke parents: diff changeset	582 // 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	583
0 a61af66fc99e Initial load duke parents: diff changeset	584 if (!this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	585 if (!this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	586 {
a61af66fc99e Initial load duke parents: diff changeset	587 // Timer includes any side effects of class verification (resolution,
a61af66fc99e Initial load duke parents: diff changeset	588 // 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	589 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	590 ClassLoader::perf_class_verify_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	591 ClassLoader::perf_classes_verified(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	592 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	593 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	594 PerfClassTraceTime::CLASS_VERIFY);
0 a61af66fc99e Initial load duke parents: diff changeset	595 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	596 if (!verify_ok) {
a61af66fc99e Initial load duke parents: diff changeset	597 return false;
a61af66fc99e Initial load duke parents: diff changeset	598 }
a61af66fc99e Initial load duke parents: diff changeset	599 }
a61af66fc99e Initial load duke parents: diff changeset	600
a61af66fc99e Initial load duke parents: diff changeset	601 // Just in case a side-effect of verify linked this class already
a61af66fc99e Initial load duke parents: diff changeset	602 // (which can sometimes happen since the verifier loads classes
a61af66fc99e Initial load duke parents: diff changeset	603 // using custom class loaders, which are free to initialize things)
a61af66fc99e Initial load duke parents: diff changeset	604 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	605 return true;
a61af66fc99e Initial load duke parents: diff changeset	606 }
a61af66fc99e Initial load duke parents: diff changeset	607
a61af66fc99e Initial load duke parents: diff changeset	608 // also sets rewritten
a61af66fc99e Initial load duke parents: diff changeset	609 this_oop->rewrite_class(CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	610 }
a61af66fc99e Initial load duke parents: diff changeset	611
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	612 // relocate jsrs and link methods after they are all rewritten
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	613 this_oop->relocate_and_link_methods(CHECK_false);
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	614
0 a61af66fc99e Initial load duke parents: diff changeset	615 // Initialize the vtable and interface table after
a61af66fc99e Initial load duke parents: diff changeset	616 // methods have been rewritten since rewrite may
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	617 // fabricate new Method*s.
0 a61af66fc99e Initial load duke parents: diff changeset	618 // also does loader constraint checking
a61af66fc99e Initial load duke parents: diff changeset	619 if (!this_oop()->is_shared()) {
a61af66fc99e Initial load duke parents: diff changeset	620 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	621 this_oop->vtable()->initialize_vtable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	622 this_oop->itable()->initialize_itable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	623 }
a61af66fc99e Initial load duke parents: diff changeset	624 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	625 else {
a61af66fc99e Initial load duke parents: diff changeset	626 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	627 this_oop->vtable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	628 // In case itable verification is ever added.
a61af66fc99e Initial load duke parents: diff changeset	629 // this_oop->itable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	630 }
a61af66fc99e Initial load duke parents: diff changeset	631 #endif
a61af66fc99e Initial load duke parents: diff changeset	632 this_oop->set_init_state(linked);
a61af66fc99e Initial load duke parents: diff changeset	633 if (JvmtiExport::should_post_class_prepare()) {
a61af66fc99e Initial load duke parents: diff changeset	634 Thread *thread = THREAD;
a61af66fc99e Initial load duke parents: diff changeset	635 assert(thread->is_Java_thread(), "thread->is_Java_thread()");
a61af66fc99e Initial load duke parents: diff changeset	636 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop());
a61af66fc99e Initial load duke parents: diff changeset	637 }
a61af66fc99e Initial load duke parents: diff changeset	638 }
a61af66fc99e Initial load duke parents: diff changeset	639 }
a61af66fc99e Initial load duke parents: diff changeset	640 return true;
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 // Rewrite the byte codes of all of the methods of a class.
a61af66fc99e Initial load duke parents: diff changeset	645 // The rewriter must be called exactly once. Rewriting must happen after
a61af66fc99e Initial load duke parents: diff changeset	646 // 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	647 void InstanceKlass::rewrite_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	648 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	649 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	650 if (this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	651 assert(this_oop()->is_shared(), "rewriting an unshared class?");
a61af66fc99e Initial load duke parents: diff changeset	652 return;
a61af66fc99e Initial load duke parents: diff changeset	653 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	654 Rewriter::rewrite(this_oop, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	655 this_oop->set_rewritten();
a61af66fc99e Initial load duke parents: diff changeset	656 }
a61af66fc99e Initial load duke parents: diff changeset	657
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	658 // Now relocate and link method entry points after class is rewritten.
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	659 // This is outside is_rewritten flag. In case of an exception, it can be
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	660 // executed more than once.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	661 void InstanceKlass::relocate_and_link_methods(TRAPS) {
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	662 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	663 instanceKlassHandle this_oop(THREAD, this);
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	664 Rewriter::relocate_and_link(this_oop, CHECK);
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	665 }
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	666
0 a61af66fc99e Initial load duke parents: diff changeset	667
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	668 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	669 // Make sure klass is linked (verified) before initialization
a61af66fc99e Initial load duke parents: diff changeset	670 // A class could already be verified, since it has been reflected upon.
a61af66fc99e Initial load duke parents: diff changeset	671 this_oop->link_class(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	672
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	673 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	674
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	675 bool wait = false;
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	676
0 a61af66fc99e Initial load duke parents: diff changeset	677 // refer to the JVM book page 47 for description of steps
a61af66fc99e Initial load duke parents: diff changeset	678 // Step 1
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	679 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	680 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	681 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	682
a61af66fc99e Initial load duke parents: diff changeset	683 Thread *self = THREAD; // it's passed the current thread
a61af66fc99e Initial load duke parents: diff changeset	684
a61af66fc99e Initial load duke parents: diff changeset	685 // Step 2
a61af66fc99e Initial load duke parents: diff changeset	686 // If we were to use wait() instead of waitInterruptibly() then
a61af66fc99e Initial load duke parents: diff changeset	687 // we might end up throwing IE from link/symbol resolution sites
a61af66fc99e Initial load duke parents: diff changeset	688 // that aren't expected to throw. This would wreak havoc. See 6320309.
a61af66fc99e Initial load duke parents: diff changeset	689 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	690 wait = true;
0 a61af66fc99e Initial load duke parents: diff changeset	691 ol.waitUninterruptibly(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	692 }
a61af66fc99e Initial load duke parents: diff changeset	693
a61af66fc99e Initial load duke parents: diff changeset	694 // Step 3
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	695 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	696 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	697 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	698 }
0 a61af66fc99e Initial load duke parents: diff changeset	699
a61af66fc99e Initial load duke parents: diff changeset	700 // Step 4
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	701 if (this_oop->is_initialized()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	702 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	703 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	704 }
0 a61af66fc99e Initial load duke parents: diff changeset	705
a61af66fc99e Initial load duke parents: diff changeset	706 // Step 5
a61af66fc99e Initial load duke parents: diff changeset	707 if (this_oop->is_in_error_state()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	708 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	709 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	710 const char* desc = "Could not initialize class ";
a61af66fc99e Initial load duke parents: diff changeset	711 const char* className = this_oop->external_name();
a61af66fc99e Initial load duke parents: diff changeset	712 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	713 char* message = NEW_RESOURCE_ARRAY(char, msglen);
0 a61af66fc99e Initial load duke parents: diff changeset	714 if (NULL == message) {
a61af66fc99e Initial load duke parents: diff changeset	715 // Out of memory: can't create detailed error message
a61af66fc99e Initial load duke parents: diff changeset	716 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className);
a61af66fc99e Initial load duke parents: diff changeset	717 } else {
a61af66fc99e Initial load duke parents: diff changeset	718 jio_snprintf(message, msglen, "%s%s", desc, className);
a61af66fc99e Initial load duke parents: diff changeset	719 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message);
a61af66fc99e Initial load duke parents: diff changeset	720 }
a61af66fc99e Initial load duke parents: diff changeset	721 }
a61af66fc99e Initial load duke parents: diff changeset	722
a61af66fc99e Initial load duke parents: diff changeset	723 // Step 6
a61af66fc99e Initial load duke parents: diff changeset	724 this_oop->set_init_state(being_initialized);
a61af66fc99e Initial load duke parents: diff changeset	725 this_oop->set_init_thread(self);
a61af66fc99e Initial load duke parents: diff changeset	726 }
a61af66fc99e Initial load duke parents: diff changeset	727
a61af66fc99e Initial load duke parents: diff changeset	728 // Step 7
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	729 Klass* super_klass = this_oop->super();
0 a61af66fc99e Initial load duke parents: diff changeset	730 if (super_klass != NULL && !this_oop->is_interface() && Klass::cast(super_klass)->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	731 Klass::cast(super_klass)->initialize(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	732
a61af66fc99e Initial load duke parents: diff changeset	733 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	734 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	735 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	736 {
a61af66fc99e Initial load duke parents: diff changeset	737 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	738 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	739 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	740 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	741 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	742 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	743 }
a61af66fc99e Initial load duke parents: diff changeset	744 }
a61af66fc99e Initial load duke parents: diff changeset	745
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	746 if (this_oop->has_default_methods()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	747 // Step 7.5: initialize any interfaces which have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	748 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	749 Klass* iface = this_oop->local_interfaces()->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	750 InstanceKlass* ik = InstanceKlass::cast(iface);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	751 if (ik->has_default_methods() && ik->should_be_initialized()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	752 ik->initialize(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	753
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	754 if (HAS_PENDING_EXCEPTION) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	755 Handle e(THREAD, PENDING_EXCEPTION);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	756 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	757 {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	758 EXCEPTION_MARK;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	759 // Locks object, set state, and notify all waiting threads
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	760 this_oop->set_initialization_state_and_notify(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	761 initialization_error, THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	762
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	763 // ignore any exception thrown, superclass initialization error is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	764 // thrown below
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	765 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	766 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	767 DTRACE_CLASSINIT_PROBE_WAIT(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	768 super__failed, InstanceKlass::cast(this_oop()), -1, wait);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	769 THROW_OOP(e());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	770 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	771 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	772 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	773 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	774
0 a61af66fc99e Initial load duke parents: diff changeset	775 // Step 8
a61af66fc99e Initial load duke parents: diff changeset	776 {
a61af66fc99e Initial load duke parents: diff changeset	777 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl");
a61af66fc99e Initial load duke parents: diff changeset	778 JavaThread* jt = (JavaThread*)THREAD;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	779 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	780 // Timer includes any side effects of class initialization (resolution,
a61af66fc99e Initial load duke parents: diff changeset	781 // 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	782 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	783 ClassLoader::perf_class_init_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	784 ClassLoader::perf_classes_inited(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	785 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	786 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	787 PerfClassTraceTime::CLASS_CLINIT);
0 a61af66fc99e Initial load duke parents: diff changeset	788 this_oop->call_class_initializer(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	789 }
a61af66fc99e Initial load duke parents: diff changeset	790
a61af66fc99e Initial load duke parents: diff changeset	791 // Step 9
a61af66fc99e Initial load duke parents: diff changeset	792 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	793 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	794 { ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	795 debug_only(this_oop->vtable()->verify(tty, true);)
a61af66fc99e Initial load duke parents: diff changeset	796 }
a61af66fc99e Initial load duke parents: diff changeset	797 }
a61af66fc99e Initial load duke parents: diff changeset	798 else {
a61af66fc99e Initial load duke parents: diff changeset	799 // Step 10 and 11
a61af66fc99e Initial load duke parents: diff changeset	800 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	801 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	802 {
a61af66fc99e Initial load duke parents: diff changeset	803 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	804 this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	805 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	806 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	807 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	808 if (e->is_a(SystemDictionary::Error_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	809 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	810 } else {
a61af66fc99e Initial load duke parents: diff changeset	811 JavaCallArguments args(e);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	812 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	813 vmSymbols::throwable_void_signature(),
0 a61af66fc99e Initial load duke parents: diff changeset	814 &args);
a61af66fc99e Initial load duke parents: diff changeset	815 }
a61af66fc99e Initial load duke parents: diff changeset	816 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	817 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	818 }
a61af66fc99e Initial load duke parents: diff changeset	819
a61af66fc99e Initial load duke parents: diff changeset	820
a61af66fc99e Initial load duke parents: diff changeset	821 // 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	822 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	823 instanceKlassHandle kh(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	824 set_initialization_state_and_notify_impl(kh, state, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	825 }
a61af66fc99e Initial load duke parents: diff changeset	826
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	827 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	828 volatile oop init_lock = this_oop->init_lock();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	829 ObjectLocker ol(init_lock, THREAD, init_lock != NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	830 this_oop->set_init_state(state);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	831 this_oop->fence_and_clear_init_lock();
0 a61af66fc99e Initial load duke parents: diff changeset	832 ol.notify_all(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	833 }
a61af66fc99e Initial load duke parents: diff changeset	834
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	835 // 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	836 // 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	837 // 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	838 // 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	839 // NULL - no implementor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	840 // 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	841 // 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	842 //
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	843 // The _implementor field only exists for interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	844 void InstanceKlass::add_implementor(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	845 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	846 assert(is_interface(), "not interface");
0 a61af66fc99e Initial load duke parents: diff changeset	847 // Filter out my subinterfaces.
a61af66fc99e Initial load duke parents: diff changeset	848 // (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	849 if (InstanceKlass::cast(k)->is_interface()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	850
a61af66fc99e Initial load duke parents: diff changeset	851 // Filter out subclasses whose supers already implement me.
a61af66fc99e Initial load duke parents: diff changeset	852 // (Note: CHA must walk subclasses of direct implementors
a61af66fc99e Initial load duke parents: diff changeset	853 // in order to locate indirect implementors.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	854 Klass* sk = InstanceKlass::cast(k)->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	855 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this))
0 a61af66fc99e Initial load duke parents: diff changeset	856 // We only need to check one immediate superclass, since the
a61af66fc99e Initial load duke parents: diff changeset	857 // implements_interface query looks at transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	858 // Any supers of the super have the same (or fewer) transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	859 return;
a61af66fc99e Initial load duke parents: diff changeset	860
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	861 Klass* ik = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	862 if (ik == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	863 set_implementor(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	864 } 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	865 // 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	866 // more than one implementors.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	867 set_implementor(this);
0 a61af66fc99e Initial load duke parents: diff changeset	868 }
a61af66fc99e Initial load duke parents: diff changeset	869
a61af66fc99e Initial load duke parents: diff changeset	870 // The implementor also implements the transitive_interfaces
a61af66fc99e Initial load duke parents: diff changeset	871 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	872 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k);
0 a61af66fc99e Initial load duke parents: diff changeset	873 }
a61af66fc99e Initial load duke parents: diff changeset	874 }
a61af66fc99e Initial load duke parents: diff changeset	875
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	876 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	877 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	878 set_implementor(NULL);
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	879 }
0 a61af66fc99e Initial load duke parents: diff changeset	880 }
a61af66fc99e Initial load duke parents: diff changeset	881
a61af66fc99e Initial load duke parents: diff changeset	882
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	883 void InstanceKlass::process_interfaces(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	884 // 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	885 Klass* this_as_klass_oop = this;
0 a61af66fc99e Initial load duke parents: diff changeset	886 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	887 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	888 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	889 assert(interf->is_interface(), "expected interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	890 interf->add_implementor(this_as_klass_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	891 }
a61af66fc99e Initial load duke parents: diff changeset	892 }
a61af66fc99e Initial load duke parents: diff changeset	893
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	894 bool InstanceKlass::can_be_primary_super_slow() const {
0 a61af66fc99e Initial load duke parents: diff changeset	895 if (is_interface())
a61af66fc99e Initial load duke parents: diff changeset	896 return false;
a61af66fc99e Initial load duke parents: diff changeset	897 else
a61af66fc99e Initial load duke parents: diff changeset	898 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	899 }
a61af66fc99e Initial load duke parents: diff changeset	900
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	901 GrowableArray<Klass> InstanceKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	902 // The secondaries are the implemented interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	903 InstanceKlass* ik = InstanceKlass::cast(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	904 Array<Klass> interfaces = ik->transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	905 int num_secondaries = num_extra_slots + interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	906 if (num_secondaries == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	907 // Must share this for correct bootstrapping!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	908 set_secondary_supers(Universe::the_empty_klass_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	909 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	910 } else if (num_extra_slots == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	911 // 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	912 // 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	913 set_secondary_supers(interfaces);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	914 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	915 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	916 // 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	917 // into the secondary super list with extra slots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	918 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(interfaces->length());
0 a61af66fc99e Initial load duke parents: diff changeset	919 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	920 secondaries->push(interfaces->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	921 }
a61af66fc99e Initial load duke parents: diff changeset	922 return secondaries;
a61af66fc99e Initial load duke parents: diff changeset	923 }
a61af66fc99e Initial load duke parents: diff changeset	924 }
a61af66fc99e Initial load duke parents: diff changeset	925
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	926 bool InstanceKlass::compute_is_subtype_of(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	927 if (Klass::cast(k)->is_interface()) {
a61af66fc99e Initial load duke parents: diff changeset	928 return implements_interface(k);
a61af66fc99e Initial load duke parents: diff changeset	929 } else {
a61af66fc99e Initial load duke parents: diff changeset	930 return Klass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	931 }
a61af66fc99e Initial load duke parents: diff changeset	932 }
a61af66fc99e Initial load duke parents: diff changeset	933
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	934 bool InstanceKlass::implements_interface(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	935 if (this == k) return true;
0 a61af66fc99e Initial load duke parents: diff changeset	936 assert(Klass::cast(k)->is_interface(), "should be an interface class");
a61af66fc99e Initial load duke parents: diff changeset	937 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	938 if (transitive_interfaces()->at(i) == k) {
0 a61af66fc99e Initial load duke parents: diff changeset	939 return true;
a61af66fc99e Initial load duke parents: diff changeset	940 }
a61af66fc99e Initial load duke parents: diff changeset	941 }
a61af66fc99e Initial load duke parents: diff changeset	942 return false;
a61af66fc99e Initial load duke parents: diff changeset	943 }
a61af66fc99e Initial load duke parents: diff changeset	944
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	945 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	946 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	947 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	948 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	949 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	950 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	951 }
a61af66fc99e Initial load duke parents: diff changeset	952 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	953 Klass* ak = array_klass(n, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	954 KlassHandle h_ak (THREAD, ak);
a61af66fc99e Initial load duke parents: diff changeset	955 objArrayOop o =
a61af66fc99e Initial load duke parents: diff changeset	956 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	957 return o;
a61af66fc99e Initial load duke parents: diff changeset	958 }
a61af66fc99e Initial load duke parents: diff changeset	959
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	960 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	961 if (TraceFinalizerRegistration) {
a61af66fc99e Initial load duke parents: diff changeset	962 tty->print("Registered ");
a61af66fc99e Initial load duke parents: diff changeset	963 i->print_value_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	964 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i);
a61af66fc99e Initial load duke parents: diff changeset	965 }
a61af66fc99e Initial load duke parents: diff changeset	966 instanceHandle h_i(THREAD, i);
a61af66fc99e Initial load duke parents: diff changeset	967 // Pass the handle as argument, JavaCalls::call expects oop as jobjects
a61af66fc99e Initial load duke parents: diff changeset	968 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	969 JavaCallArguments args(h_i);
a61af66fc99e Initial load duke parents: diff changeset	970 methodHandle mh (THREAD, Universe::finalizer_register_method());
a61af66fc99e Initial load duke parents: diff changeset	971 JavaCalls::call(&result, mh, &args, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	972 return h_i();
a61af66fc99e Initial load duke parents: diff changeset	973 }
a61af66fc99e Initial load duke parents: diff changeset	974
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	975 instanceOop InstanceKlass::allocate_instance(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	976 bool has_finalizer_flag = has_finalizer(); // Query before possible GC
a61af66fc99e Initial load duke parents: diff changeset	977 int size = size_helper(); // Query before forming handle.
a61af66fc99e Initial load duke parents: diff changeset	978
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	979 KlassHandle h_k(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	980
a61af66fc99e Initial load duke parents: diff changeset	981 instanceOop i;
a61af66fc99e Initial load duke parents: diff changeset	982
a61af66fc99e Initial load duke parents: diff changeset	983 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	984 if (has_finalizer_flag && !RegisterFinalizersAtInit) {
a61af66fc99e Initial load duke parents: diff changeset	985 i = register_finalizer(i, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	986 }
a61af66fc99e Initial load duke parents: diff changeset	987 return i;
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 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	991 if (is_interface() \|\| is_abstract()) {
a61af66fc99e Initial load duke parents: diff changeset	992 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	993 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
a61af66fc99e Initial load duke parents: diff changeset	994 : vmSymbols::java_lang_InstantiationException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	995 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	996 if (this == SystemDictionary::Class_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	997 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	998 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
a61af66fc99e Initial load duke parents: diff changeset	999 : vmSymbols::java_lang_IllegalAccessException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1000 }
a61af66fc99e Initial load duke parents: diff changeset	1001 }
a61af66fc99e Initial load duke parents: diff changeset	1002
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1003 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	1004 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1005 return array_klass_impl(this_oop, or_null, n, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1006 }
a61af66fc99e Initial load duke parents: diff changeset	1007
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1008 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1009 if (this_oop->array_klasses() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1010 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1011
a61af66fc99e Initial load duke parents: diff changeset	1012 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1013 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	1014 {
a61af66fc99e Initial load duke parents: diff changeset	1015 // Atomic creation of array_klasses
a61af66fc99e Initial load duke parents: diff changeset	1016 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	1017 MutexLocker ma(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1018
a61af66fc99e Initial load duke parents: diff changeset	1019 // Check if update has already taken place
a61af66fc99e Initial load duke parents: diff changeset	1020 if (this_oop->array_klasses() == NULL) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1021 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1022 this_oop->set_array_klasses(k);
a61af66fc99e Initial load duke parents: diff changeset	1023 }
a61af66fc99e Initial load duke parents: diff changeset	1024 }
a61af66fc99e Initial load duke parents: diff changeset	1025 }
a61af66fc99e Initial load duke parents: diff changeset	1026 // _this will always be set at this point
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1027 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses();
0 a61af66fc99e Initial load duke parents: diff changeset	1028 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	1029 return oak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	1030 }
a61af66fc99e Initial load duke parents: diff changeset	1031 return oak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1032 }
a61af66fc99e Initial load duke parents: diff changeset	1033
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1034 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1035 return array_klass_impl(or_null, 1, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1036 }
a61af66fc99e Initial load duke parents: diff changeset	1037
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1038 void InstanceKlass::call_class_initializer(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1039 instanceKlassHandle ik (THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1040 call_class_initializer_impl(ik, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1041 }
a61af66fc99e Initial load duke parents: diff changeset	1042
a61af66fc99e Initial load duke parents: diff changeset	1043 static int call_class_initializer_impl_counter = 0; // for debugging
a61af66fc99e Initial load duke parents: diff changeset	1044
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1045 Method* InstanceKlass::class_initializer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1046 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	1047 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	1048 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	1049 return clinit;
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1050 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1051 return NULL;
0 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::call_class_initializer_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1055 methodHandle h_method(THREAD, this_oop->class_initializer());
a61af66fc99e Initial load duke parents: diff changeset	1056 assert(!this_oop->is_initialized(), "we cannot initialize twice");
a61af66fc99e Initial load duke parents: diff changeset	1057 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	1058 tty->print("%d Initializing ", call_class_initializer_impl_counter++);
a61af66fc99e Initial load duke parents: diff changeset	1059 this_oop->name()->print_value();
a61af66fc99e Initial load duke parents: diff changeset	1060 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop());
a61af66fc99e Initial load duke parents: diff changeset	1061 }
a61af66fc99e Initial load duke parents: diff changeset	1062 if (h_method() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1063 JavaCallArguments args; // No arguments
a61af66fc99e Initial load duke parents: diff changeset	1064 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1065 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args)
a61af66fc99e Initial load duke parents: diff changeset	1066 }
a61af66fc99e Initial load duke parents: diff changeset	1067 }
a61af66fc99e Initial load duke parents: diff changeset	1068
a61af66fc99e Initial load duke parents: diff changeset	1069
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1070 void InstanceKlass::mask_for(methodHandle method, int bci,
0 a61af66fc99e Initial load duke parents: diff changeset	1071 InterpreterOopMap* entry_for) {
a61af66fc99e Initial load duke parents: diff changeset	1072 // Dirty read, then double-check under a lock.
a61af66fc99e Initial load duke parents: diff changeset	1073 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1074 // Otherwise, allocate a new one.
a61af66fc99e Initial load duke parents: diff changeset	1075 MutexLocker x(OopMapCacheAlloc_lock);
a61af66fc99e Initial load duke parents: diff changeset	1076 // First time use. Allocate a cache in C heap
a61af66fc99e Initial load duke parents: diff changeset	1077 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1078 _oop_map_cache = new OopMapCache();
a61af66fc99e Initial load duke parents: diff changeset	1079 }
a61af66fc99e Initial load duke parents: diff changeset	1080 }
a61af66fc99e Initial load duke parents: diff changeset	1081 // _oop_map_cache is constant after init; lookup below does is own locking.
a61af66fc99e Initial load duke parents: diff changeset	1082 _oop_map_cache->lookup(method, bci, entry_for);
a61af66fc99e Initial load duke parents: diff changeset	1083 }
a61af66fc99e Initial load duke parents: diff changeset	1084
a61af66fc99e Initial load duke parents: diff changeset	1085
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1086 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	1087 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1088 Symbol* f_name = fs.name();
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1089 Symbol* f_sig = fs.signature();
0 a61af66fc99e Initial load duke parents: diff changeset	1090 if (f_name == name && f_sig == sig) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1091 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1092 return true;
a61af66fc99e Initial load duke parents: diff changeset	1093 }
a61af66fc99e Initial load duke parents: diff changeset	1094 }
a61af66fc99e Initial load duke parents: diff changeset	1095 return false;
a61af66fc99e Initial load duke parents: diff changeset	1096 }
a61af66fc99e Initial load duke parents: diff changeset	1097
a61af66fc99e Initial load duke parents: diff changeset	1098
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1099 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1100 const int n = local_interfaces()->length();
a61af66fc99e Initial load duke parents: diff changeset	1101 for (int i = 0; i < n; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1102 Klass* intf1 = local_interfaces()->at(i);
0 a61af66fc99e Initial load duke parents: diff changeset	1103 assert(Klass::cast(intf1)->is_interface(), "just checking type");
a61af66fc99e Initial load duke parents: diff changeset	1104 // search for field in current interface
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1105 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1106 assert(fd->is_static(), "interface field must be static");
a61af66fc99e Initial load duke parents: diff changeset	1107 return intf1;
a61af66fc99e Initial load duke parents: diff changeset	1108 }
a61af66fc99e Initial load duke parents: diff changeset	1109 // search for field in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1110 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1111 if (intf2 != NULL) return intf2;
a61af66fc99e Initial load duke parents: diff changeset	1112 }
a61af66fc99e Initial load duke parents: diff changeset	1113 // otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1114 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1115 }
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 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1119 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1120 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1121 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1122 return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1123 }
a61af66fc99e Initial load duke parents: diff changeset	1124 // 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	1125 { Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1126 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1127 }
a61af66fc99e Initial load duke parents: diff changeset	1128 // 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	1129 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1130 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1131 }
a61af66fc99e Initial load duke parents: diff changeset	1132 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1133 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1134 }
a61af66fc99e Initial load duke parents: diff changeset	1135
a61af66fc99e Initial load duke parents: diff changeset	1136
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1137 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1138 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1139 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1140 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1141 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1142 }
a61af66fc99e Initial load duke parents: diff changeset	1143 // 2) search for field recursively in direct superinterfaces
a61af66fc99e Initial load duke parents: diff changeset	1144 if (is_static) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1145 Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1146 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1147 }
a61af66fc99e Initial load duke parents: diff changeset	1148 // 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	1149 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1150 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1151 }
a61af66fc99e Initial load duke parents: diff changeset	1152 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1153 return NULL;
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_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	1158 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1159 if (fs.offset() == offset) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1160 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1161 if (fd->is_static() == is_static) return true;
a61af66fc99e Initial load duke parents: diff changeset	1162 }
a61af66fc99e Initial load duke parents: diff changeset	1163 }
a61af66fc99e Initial load duke parents: diff changeset	1164 return false;
a61af66fc99e Initial load duke parents: diff changeset	1165 }
a61af66fc99e Initial load duke parents: diff changeset	1166
a61af66fc99e Initial load duke parents: diff changeset	1167
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1168 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	1169 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1170 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1171 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1172 return true;
a61af66fc99e Initial load duke parents: diff changeset	1173 }
a61af66fc99e Initial load duke parents: diff changeset	1174 klass = Klass::cast(klass)->super();
a61af66fc99e Initial load duke parents: diff changeset	1175 }
a61af66fc99e Initial load duke parents: diff changeset	1176 return false;
a61af66fc99e Initial load duke parents: diff changeset	1177 }
a61af66fc99e Initial load duke parents: diff changeset	1178
a61af66fc99e Initial load duke parents: diff changeset	1179
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1180 void InstanceKlass::methods_do(void f(Method* method)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1181 int len = methods()->length();
a61af66fc99e Initial load duke parents: diff changeset	1182 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1183 Method* m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1184 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1185 f(m);
a61af66fc99e Initial load duke parents: diff changeset	1186 }
a61af66fc99e Initial load duke parents: diff changeset	1187 }
a61af66fc99e Initial load duke parents: diff changeset	1188
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1189
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1190 void InstanceKlass::do_local_static_fields(FieldClosure* cl) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1191 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1192 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1193 fieldDescriptor fd;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1194 fd.initialize(this, fs.index());
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1195 cl->do_field(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1196 }
0 a61af66fc99e Initial load duke parents: diff changeset	1197 }
a61af66fc99e Initial load duke parents: diff changeset	1198 }
a61af66fc99e Initial load duke parents: diff changeset	1199
a61af66fc99e Initial load duke parents: diff changeset	1200
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1201 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	1202 instanceKlassHandle h_this(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1203 do_local_static_fields_impl(h_this, f, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	1204 }
a61af66fc99e Initial load duke parents: diff changeset	1205
a61af66fc99e Initial load duke parents: diff changeset	1206
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1207 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	1208 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1209 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1210 fieldDescriptor fd;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1211 fd.initialize(this_oop(), fs.index());
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1212 f(&fd, CHECK);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1213 }
0 a61af66fc99e Initial load duke parents: diff changeset	1214 }
a61af66fc99e Initial load duke parents: diff changeset	1215 }
a61af66fc99e Initial load duke parents: diff changeset	1216
a61af66fc99e Initial load duke parents: diff changeset	1217
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1218 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	1219 return a[0] - b[0];
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1220 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1221
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1222 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1223 InstanceKlass* super = superklass();
0 a61af66fc99e Initial load duke parents: diff changeset	1224 if (super != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1225 super->do_nonstatic_fields(cl);
a61af66fc99e Initial load duke parents: diff changeset	1226 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1227 fieldDescriptor fd;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1228 int length = java_fields_count();
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1229 // In DebugInfo nonstatic fields are sorted by offset.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1230 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	1231 int j = 0;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1232 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	1233 fd.initialize(this, i);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1234 if (!fd.is_static()) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1235 fields_sorted[j + 0] = fd.offset();
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1236 fields_sorted[j + 1] = i;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1237 j += 2;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1238 }
0 a61af66fc99e Initial load duke parents: diff changeset	1239 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1240 if (j > 0) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1241 length = j;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1242 // _sort_Fn is defined in growableArray.hpp.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1243 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	1244 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	1245 fd.initialize(this, fields_sorted[i + 1]);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1246 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	1247 cl->do_field(&fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1248 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1249 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1250 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1251 }
a61af66fc99e Initial load duke parents: diff changeset	1252
a61af66fc99e Initial load duke parents: diff changeset	1253
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1254 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	1255 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1256 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	1257 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1258
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1259 void InstanceKlass::array_klasses_do(void f(Klass* k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1260 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1261 ArrayKlass::cast(array_klasses())->array_klasses_do(f);
0 a61af66fc99e Initial load duke parents: diff changeset	1262 }
a61af66fc99e Initial load duke parents: diff changeset	1263
a61af66fc99e Initial load duke parents: diff changeset	1264
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1265 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	1266 f(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1267 array_klasses_do(f);
a61af66fc99e Initial load duke parents: diff changeset	1268 }
a61af66fc99e Initial load duke parents: diff changeset	1269
a61af66fc99e Initial load duke parents: diff changeset	1270 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1271 static int linear_search(Array<Method> methods, Symbol* name, Symbol* signature) {
0 a61af66fc99e Initial load duke parents: diff changeset	1272 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1273 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1274 Method* m = methods->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1275 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1276 if (m->signature() == signature && m->name() == name) {
a61af66fc99e Initial load duke parents: diff changeset	1277 return index;
a61af66fc99e Initial load duke parents: diff changeset	1278 }
a61af66fc99e Initial load duke parents: diff changeset	1279 }
a61af66fc99e Initial load duke parents: diff changeset	1280 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1281 }
a61af66fc99e Initial load duke parents: diff changeset	1282 #endif
a61af66fc99e Initial load duke parents: diff changeset	1283
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1284 static int binary_search(Array<Method> methods, Symbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	1285 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1286 // methods are sorted, so do binary search
a61af66fc99e Initial load duke parents: diff changeset	1287 int l = 0;
a61af66fc99e Initial load duke parents: diff changeset	1288 int h = len - 1;
a61af66fc99e Initial load duke parents: diff changeset	1289 while (l <= h) {
a61af66fc99e Initial load duke parents: diff changeset	1290 int mid = (l + h) >> 1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1291 Method* m = methods->at(mid);
0 a61af66fc99e Initial load duke parents: diff changeset	1292 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1293 int res = m->name()->fast_compare(name);
a61af66fc99e Initial load duke parents: diff changeset	1294 if (res == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1295 return mid;
0 a61af66fc99e Initial load duke parents: diff changeset	1296 } else if (res < 0) {
a61af66fc99e Initial load duke parents: diff changeset	1297 l = mid + 1;
a61af66fc99e Initial load duke parents: diff changeset	1298 } else {
a61af66fc99e Initial load duke parents: diff changeset	1299 h = mid - 1;
a61af66fc99e Initial load duke parents: diff changeset	1300 }
a61af66fc99e Initial load duke parents: diff changeset	1301 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1302 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1303 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1304
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1305 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1306 return InstanceKlass::find_method(methods(), name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1307 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1308
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1309 Method* InstanceKlass::find_method(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1310 Array<Method> methods, Symbol* name, Symbol* signature) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1311 int hit = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1312 if (hit != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1313 Method* m = methods->at(hit);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1314 // Do linear search to find matching signature. First, quick check
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1315 // for common case
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1316 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1317 // search downwards through overloaded methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1318 int i;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1319 for (i = hit - 1; i >= 0; --i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1320 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1321 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1322 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1323 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1324 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1325 // search upwards
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1326 for (i = hit + 1; i < methods->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1327 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1328 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1329 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1330 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1331 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1332 // not found
0 a61af66fc99e Initial load duke parents: diff changeset	1333 #ifdef ASSERT
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1334 int index = linear_search(methods, name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1335 assert(index == -1, err_msg("binary search should have found entry %d", index));
0 a61af66fc99e Initial load duke parents: diff changeset	1336 #endif
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1337 }
0 a61af66fc99e Initial load duke parents: diff changeset	1338 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1339 }
a61af66fc99e Initial load duke parents: diff changeset	1340
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1341 int InstanceKlass::find_method_by_name(Symbol* name, int* end) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1342 return find_method_by_name(methods(), name, end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1343 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1344
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1345 int InstanceKlass::find_method_by_name(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1346 Array<Method> methods, Symbol* name, int* end_ptr) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1347 assert(end_ptr != NULL, "just checking");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1348 int start = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1349 int end = start + 1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1350 if (start != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1351 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1352 while (end < methods->length() && (methods->at(end))->name() == name) ++end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1353 *end_ptr = end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1354 return start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1355 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1356 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1357 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1358
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1359 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	1360 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1361 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1362 Method* method = InstanceKlass::cast(klass)->find_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1363 if (method != NULL) return method;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1364 klass = InstanceKlass::cast(klass)->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1365 }
a61af66fc99e Initial load duke parents: diff changeset	1366 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1367 }
a61af66fc99e Initial load duke parents: diff changeset	1368
a61af66fc99e Initial load duke parents: diff changeset	1369 // 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	1370 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	1371 Symbol* signature) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1372 Array<Klass> all_ifs = transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	1373 int num_ifs = all_ifs->length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1374 InstanceKlass *ik = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1375 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	1376 ik = InstanceKlass::cast(all_ifs->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1377 Method* m = ik->lookup_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1378 if (m != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1379 return m;
a61af66fc99e Initial load duke parents: diff changeset	1380 }
a61af66fc99e Initial load duke parents: diff changeset	1381 }
a61af66fc99e Initial load duke parents: diff changeset	1382 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1383 }
a61af66fc99e Initial load duke parents: diff changeset	1384
a61af66fc99e Initial load duke parents: diff changeset	1385 /* jni_id_for_impl for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1386 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1387 MutexLocker ml(JfieldIdCreation_lock);
a61af66fc99e Initial load duke parents: diff changeset	1388 // Retry lookup after we got the lock
a61af66fc99e Initial load duke parents: diff changeset	1389 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1390 if (probe == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1391 // Slow case, allocate new static field identifier
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1392 probe = new JNIid(this_oop(), offset, this_oop->jni_ids());
0 a61af66fc99e Initial load duke parents: diff changeset	1393 this_oop->set_jni_ids(probe);
a61af66fc99e Initial load duke parents: diff changeset	1394 }
a61af66fc99e Initial load duke parents: diff changeset	1395 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1396 }
a61af66fc99e Initial load duke parents: diff changeset	1397
a61af66fc99e Initial load duke parents: diff changeset	1398
a61af66fc99e Initial load duke parents: diff changeset	1399 /* jni_id_for for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1400 JNIid* InstanceKlass::jni_id_for(int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1401 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1402 if (probe == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1403 probe = jni_id_for_impl(this, offset);
0 a61af66fc99e Initial load duke parents: diff changeset	1404 }
a61af66fc99e Initial load duke parents: diff changeset	1405 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1406 }
a61af66fc99e Initial load duke parents: diff changeset	1407
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1408 u2 InstanceKlass::enclosing_method_data(int offset) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1409 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	1410 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	1411 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1412 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1413 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	1414 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	1415 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1416 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1417 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	1418 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	1419 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	1420 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1421 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1422
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1423 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	1424 u2 method_index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1425 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	1426 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	1427 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	1428 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	1429 int index = length - enclosing_method_attribute_size;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1430 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	1431 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	1432 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	1433 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	1434 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1435 }
0 a61af66fc99e Initial load duke parents: diff changeset	1436
a61af66fc99e Initial load duke parents: diff changeset	1437 // Lookup or create a jmethodID.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1438 // 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	1439 // 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	1440 // and/or other cache consistency problems.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1441 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1442 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) {
0 a61af66fc99e Initial load duke parents: diff changeset	1443 size_t idnum = (size_t)method_h->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1444 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1445 size_t length = 0;
a61af66fc99e Initial load duke parents: diff changeset	1446 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1447
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1448 // 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	1449 // 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	1450 // 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	1451 // 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	1452 // 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	1453 // 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	1454 // 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	1455 // 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	1456 // 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	1457 // 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	1458 // generally acquired in those two cases.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1459 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1460 // 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	1461 // 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	1462 // 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	1463 // 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	1464 // acquired when the RedefineClasses() API has been used.
0 a61af66fc99e Initial load duke parents: diff changeset	1465
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1466 if (jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1467 // the cache already exists
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1468 if (!ik_h->idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1469 // 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	1470 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	1471 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1472 // 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	1473 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1474 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1475 // 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	1476 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	1477 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1478 MutexLocker ml(JmethodIdCreation_lock);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1479 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	1480 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1481 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1482 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1483 // implied else:
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1484 // we need to allocate a cache so default length and id values are good
0 a61af66fc99e Initial load duke parents: diff changeset	1485
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1486 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1487 length <= idnum \|\| // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1488 id == NULL) { // cache doesn't contain entry
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1489
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1490 // 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	1491 // 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	1492 // 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	1493 // 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	1494 // to free after the lock is dropped.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1495 jmethodID to_dealloc_id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1496 jmethodID* to_dealloc_jmeths = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1497
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1498 // may not allocate new_jmeths or use it if we allocate it
0 a61af66fc99e Initial load duke parents: diff changeset	1499 jmethodID* new_jmeths = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1500 if (length <= idnum) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1501 // allocate a new cache that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1502 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	1503 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1504 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	1505 // 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	1506 new_jmeths[0] = (jmethodID)size;
0 a61af66fc99e Initial load duke parents: diff changeset	1507 }
a61af66fc99e Initial load duke parents: diff changeset	1508
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1509 // allocate a new jmethodID that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1510 jmethodID new_id = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1511 if (method_h->is_old() && !method_h->is_obsolete()) {
a61af66fc99e Initial load duke parents: diff changeset	1512 // 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	1513 Method* current_method = ik_h->method_with_idnum((int)idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	1514 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	1515 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method);
0 a61af66fc99e Initial load duke parents: diff changeset	1516 } else {
a61af66fc99e Initial load duke parents: diff changeset	1517 // It is the current version of the method or an obsolete method,
a61af66fc99e Initial load duke parents: diff changeset	1518 // use the version passed in
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1519 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h());
0 a61af66fc99e Initial load duke parents: diff changeset	1520 }
a61af66fc99e Initial load duke parents: diff changeset	1521
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1522 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1523 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1524 // 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	1525 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	1526 &to_dealloc_id, &to_dealloc_jmeths);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1527 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	1528 MutexLocker ml(JmethodIdCreation_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1529 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	1530 &to_dealloc_id, &to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1531 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1532
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1533 // 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	1534 // 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	1535 if (to_dealloc_jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1536 FreeHeap(to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1537 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1538 // 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	1539 if (to_dealloc_id != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1540 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	1541 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1542 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1543 return id;
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1544 }
0 a61af66fc99e Initial load duke parents: diff changeset	1545
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1546
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1547 // 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	1548 // 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	1549 // 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	1550 // the VMThread or have cache consistency issues.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1551 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1552 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	1553 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	1554 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	1555 jmethodID** to_dealloc_jmeths_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1556 assert(new_id != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1557 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	1558 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	1559 assert(Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1560 SafepointSynchronize::is_at_safepoint() \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1561 JmethodIdCreation_lock->owned_by_self(), "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1562
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1563 // 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	1564 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	1565 jmethodID id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1566 size_t length = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	1567
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1568 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1569 (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	1570 if (jmeths != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1571 // 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	1572 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	1573 new_jmeths[index+1] = jmeths[index+1];
0 a61af66fc99e Initial load duke parents: diff changeset	1574 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1575 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1576 }
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1577 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	1578 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1579 // 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	1580 id = jmeths[idnum+1];
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1581 *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	1582 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1583 if (id == NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1584 // 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	1585 // 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	1586 // 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	1587 // 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	1588 id = new_id;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1589
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1590 // 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	1591 // 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	1592 // in the cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1593 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	1594 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1595 *to_dealloc_id_p = new_id; // save new id for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1596 }
a61af66fc99e Initial load duke parents: diff changeset	1597 return id;
a61af66fc99e Initial load duke parents: diff changeset	1598 }
a61af66fc99e Initial load duke parents: diff changeset	1599
a61af66fc99e Initial load duke parents: diff changeset	1600
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1601 // 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	1602 // 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	1603 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1604 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	1605 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	1606 assert(cache != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1607 assert(length_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1608 assert(id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1609
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1610 // 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	1611 *length_p = (size_t)cache[0];
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1612 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	1613 *id_p = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1614 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1615 *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	1616 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1617 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1618
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1619
0 a61af66fc99e Initial load duke parents: diff changeset	1620 // 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	1621 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) {
0 a61af66fc99e Initial load duke parents: diff changeset	1622 size_t idnum = (size_t)method->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1623 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1624 size_t length; // length assigned as debugging crumb
a61af66fc99e Initial load duke parents: diff changeset	1625 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1626 if (jmeths != NULL && // If there is a cache
0 a61af66fc99e Initial load duke parents: diff changeset	1627 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough,
a61af66fc99e Initial load duke parents: diff changeset	1628 id = jmeths[idnum+1]; // Look up the id (may be NULL)
a61af66fc99e Initial load duke parents: diff changeset	1629 }
a61af66fc99e Initial load duke parents: diff changeset	1630 return id;
a61af66fc99e Initial load duke parents: diff changeset	1631 }
a61af66fc99e Initial load duke parents: diff changeset	1632
a61af66fc99e Initial load duke parents: diff changeset	1633
a61af66fc99e Initial load duke parents: diff changeset	1634 // Cache an itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1635 void InstanceKlass::set_cached_itable_index(size_t idnum, int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	1636 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	1637 int* to_dealloc_indices = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1638
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1639 // 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	1640 // 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	1641 // 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	1642 // 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	1643 // 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	1644 // 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	1645 // 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	1646 // lock is generally acquired in that case.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1647 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1648 // 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	1649 // 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	1650 // 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	1651 // 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	1652 // 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	1653
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1654 if (indices == NULL \|\| idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1655 // we need a cache or the cache can grow
0 a61af66fc99e Initial load duke parents: diff changeset	1656 MutexLocker ml(JNICachedItableIndex_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1657 // reacquire the cache to see if another thread already did the work
0 a61af66fc99e Initial load duke parents: diff changeset	1658 indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1659 size_t length = 0;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1660 // cache size is stored in element[0], other elements offset by one
0 a61af66fc99e Initial load duke parents: diff changeset	1661 if (indices == NULL \|\| (length = (size_t)indices[0]) <= idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1662 size_t size = MAX2(idnum+1, (size_t)idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1663 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	1664 new_indices[0] = (int)size;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1665 // copy any existing entries
0 a61af66fc99e Initial load duke parents: diff changeset	1666 size_t i;
a61af66fc99e Initial load duke parents: diff changeset	1667 for (i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1668 new_indices[i+1] = indices[i+1];
a61af66fc99e Initial load duke parents: diff changeset	1669 }
a61af66fc99e Initial load duke parents: diff changeset	1670 // Set all the rest to -1
a61af66fc99e Initial load duke parents: diff changeset	1671 for (i = length; i < size; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1672 new_indices[i+1] = -1;
a61af66fc99e Initial load duke parents: diff changeset	1673 }
a61af66fc99e Initial load duke parents: diff changeset	1674 if (indices != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1675 // 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	1676 // drop the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1677 to_dealloc_indices = indices;
0 a61af66fc99e Initial load duke parents: diff changeset	1678 }
a61af66fc99e Initial load duke parents: diff changeset	1679 release_set_methods_cached_itable_indices(indices = new_indices);
a61af66fc99e Initial load duke parents: diff changeset	1680 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1681
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1682 if (idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1683 // 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	1684 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1685 }
0 a61af66fc99e Initial load duke parents: diff changeset	1686 } else {
a61af66fc99e Initial load duke parents: diff changeset	1687 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
a61af66fc99e Initial load duke parents: diff changeset	1688 }
977 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 if (!idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1691 // 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	1692 // 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	1693 // it doesn't matter.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1694 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1695 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1696
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1697 if (to_dealloc_indices != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1698 // 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	1699 FreeHeap(to_dealloc_indices);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1700 }
0 a61af66fc99e Initial load duke parents: diff changeset	1701 }
a61af66fc99e Initial load duke parents: diff changeset	1702
a61af66fc99e Initial load duke parents: diff changeset	1703
a61af66fc99e Initial load duke parents: diff changeset	1704 // Retrieve a cached itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1705 int InstanceKlass::cached_itable_index(size_t idnum) {
0 a61af66fc99e Initial load duke parents: diff changeset	1706 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1707 if (indices != NULL && ((size_t)indices[0]) > idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1708 // indices exist and are long enough, retrieve possible cached
a61af66fc99e Initial load duke parents: diff changeset	1709 return indices[idnum+1];
a61af66fc99e Initial load duke parents: diff changeset	1710 }
a61af66fc99e Initial load duke parents: diff changeset	1711 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1712 }
a61af66fc99e Initial load duke parents: diff changeset	1713
a61af66fc99e Initial load duke parents: diff changeset	1714
a61af66fc99e Initial load duke parents: diff changeset	1715 //
a61af66fc99e Initial load duke parents: diff changeset	1716 // 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: 3748 diff changeset	1717 // are dependent on the changes that were passed in and mark them for
0 a61af66fc99e Initial load duke parents: diff changeset	1718 // deoptimization. Returns the number of nmethods found.
a61af66fc99e Initial load duke parents: diff changeset	1719 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1720 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) {
0 a61af66fc99e Initial load duke parents: diff changeset	1721 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1722 int found = 0;
a61af66fc99e Initial load duke parents: diff changeset	1723 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1724 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1725 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1726 // since dependencies aren't removed until an nmethod becomes a zombie,
a61af66fc99e Initial load duke parents: diff changeset	1727 // the dependency list may contain nmethods which aren't alive.
a61af66fc99e Initial load duke parents: diff changeset	1728 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) {
a61af66fc99e Initial load duke parents: diff changeset	1729 if (TraceDependencies) {
a61af66fc99e Initial load duke parents: diff changeset	1730 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1731 tty->print_cr("Marked for deoptimization");
a61af66fc99e Initial load duke parents: diff changeset	1732 tty->print_cr(" context = %s", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1733 changes.print();
a61af66fc99e Initial load duke parents: diff changeset	1734 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1735 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1736 }
a61af66fc99e Initial load duke parents: diff changeset	1737 nm->mark_for_deoptimization();
a61af66fc99e Initial load duke parents: diff changeset	1738 found++;
a61af66fc99e Initial load duke parents: diff changeset	1739 }
a61af66fc99e Initial load duke parents: diff changeset	1740 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1741 }
a61af66fc99e Initial load duke parents: diff changeset	1742 return found;
a61af66fc99e Initial load duke parents: diff changeset	1743 }
a61af66fc99e Initial load duke parents: diff changeset	1744
a61af66fc99e Initial load duke parents: diff changeset	1745
a61af66fc99e Initial load duke parents: diff changeset	1746 //
a61af66fc99e Initial load duke parents: diff changeset	1747 // Add an nmethodBucket to the list of dependencies for this nmethod.
a61af66fc99e Initial load duke parents: diff changeset	1748 // It's possible that an nmethod has multiple dependencies on this klass
a61af66fc99e Initial load duke parents: diff changeset	1749 // so a count is kept for each bucket to guarantee that creation and
a61af66fc99e Initial load duke parents: diff changeset	1750 // deletion of dependencies is consistent.
a61af66fc99e Initial load duke parents: diff changeset	1751 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1752 void InstanceKlass::add_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1753 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1754 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1755 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1756 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1757 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1758 b->increment();
a61af66fc99e Initial load duke parents: diff changeset	1759 return;
a61af66fc99e Initial load duke parents: diff changeset	1760 }
a61af66fc99e Initial load duke parents: diff changeset	1761 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1762 }
a61af66fc99e Initial load duke parents: diff changeset	1763 _dependencies = new nmethodBucket(nm, _dependencies);
a61af66fc99e Initial load duke parents: diff changeset	1764 }
a61af66fc99e Initial load duke parents: diff changeset	1765
a61af66fc99e Initial load duke parents: diff changeset	1766
a61af66fc99e Initial load duke parents: diff changeset	1767 //
a61af66fc99e Initial load duke parents: diff changeset	1768 // Decrement count of the nmethod in the dependency list and remove
a61af66fc99e Initial load duke parents: diff changeset	1769 // the bucket competely when the count goes to 0. This method must
a61af66fc99e Initial load duke parents: diff changeset	1770 // find a corresponding bucket otherwise there's a bug in the
a61af66fc99e Initial load duke parents: diff changeset	1771 // recording of dependecies.
a61af66fc99e Initial load duke parents: diff changeset	1772 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1773 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1774 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1775 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1776 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1777 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1778 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1779 if (b->decrement() == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1780 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1781 _dependencies = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1782 } else {
a61af66fc99e Initial load duke parents: diff changeset	1783 last->set_next(b->next());
a61af66fc99e Initial load duke parents: diff changeset	1784 }
a61af66fc99e Initial load duke parents: diff changeset	1785 delete b;
a61af66fc99e Initial load duke parents: diff changeset	1786 }
a61af66fc99e Initial load duke parents: diff changeset	1787 return;
a61af66fc99e Initial load duke parents: diff changeset	1788 }
a61af66fc99e Initial load duke parents: diff changeset	1789 last = b;
a61af66fc99e Initial load duke parents: diff changeset	1790 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1791 }
a61af66fc99e Initial load duke parents: diff changeset	1792 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1793 tty->print_cr("### %s can't find dependent nmethod:", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1794 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1795 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1796 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1797 }
a61af66fc99e Initial load duke parents: diff changeset	1798
a61af66fc99e Initial load duke parents: diff changeset	1799
a61af66fc99e Initial load duke parents: diff changeset	1800 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1801 void InstanceKlass::print_dependent_nmethods(bool verbose) {
0 a61af66fc99e Initial load duke parents: diff changeset	1802 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1803 int idx = 0;
a61af66fc99e Initial load duke parents: diff changeset	1804 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1805 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1806 tty->print("[%d] count=%d { ", idx++, b->count());
a61af66fc99e Initial load duke parents: diff changeset	1807 if (!verbose) {
a61af66fc99e Initial load duke parents: diff changeset	1808 nm->print_on(tty, "nmethod");
a61af66fc99e Initial load duke parents: diff changeset	1809 tty->print_cr(" } ");
a61af66fc99e Initial load duke parents: diff changeset	1810 } else {
a61af66fc99e Initial load duke parents: diff changeset	1811 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1812 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1813 tty->print_cr("--- } ");
a61af66fc99e Initial load duke parents: diff changeset	1814 }
a61af66fc99e Initial load duke parents: diff changeset	1815 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1816 }
a61af66fc99e Initial load duke parents: diff changeset	1817 }
a61af66fc99e Initial load duke parents: diff changeset	1818
a61af66fc99e Initial load duke parents: diff changeset	1819
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1820 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1821 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1822 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1823 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1824 return true;
a61af66fc99e Initial load duke parents: diff changeset	1825 }
a61af66fc99e Initial load duke parents: diff changeset	1826 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1827 }
a61af66fc99e Initial load duke parents: diff changeset	1828 return false;
a61af66fc99e Initial load duke parents: diff changeset	1829 }
a61af66fc99e Initial load duke parents: diff changeset	1830 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1831
a61af66fc99e Initial load duke parents: diff changeset	1832
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1833 // Garbage collection
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1834
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1835 void InstanceKlass::oops_do(OopClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1836 Klass::oops_do(cl);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1837
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1838 cl->do_oop(adr_protection_domain());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1839 cl->do_oop(adr_signers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1840 cl->do_oop(adr_init_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1841
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1842 // 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	1843 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1844
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1845 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1846 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	1847 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	1848 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	1849 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	1850 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	1851 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1852 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1853 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	1854 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	1855 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	1856 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	1857 assert(Universe::heap()->is_in_closed_subset(o),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1858 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	1859 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1860 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1861 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	1862 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	1863 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	1864 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	1865 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	1866 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1867 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1868 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	1869
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1870 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1871 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	1872 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	1873 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	1874 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	1875 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1876
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1877 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1878 // 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	1879 // 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	1880 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1881 // Parameters are:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1882 // 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	1883 // 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	1884 // 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	1885 // 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	1886 // 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	1887 // it a template function)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1888 // 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	1889 // doesn't matter when enabled.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1890 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1891 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	1892 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1893 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1894 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1895 T* const end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1896 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1897 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1898 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1899 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1900 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1901 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1902
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1903 #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	1904 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	1905 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1906 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1907 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	1908 T* p = start + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1909 while (start < p) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1910 --p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1911 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1912 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1913 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1914 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1915
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1916 #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	1917 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	1918 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1919 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1920 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1921 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1922 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	1923 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	1924 "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	1925 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1926 T* end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1927 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1928 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1929 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1930 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1931 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1932 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1933 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1934 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1935
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1936
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1937 // 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	1938 // 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	1939 // flag.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1940 #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	1941 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1942 /* 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	1943 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	1944 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1945 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	1946 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1947 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1948 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1949 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	1950 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1951 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1952 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1953 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1954 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1955 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1956 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	1957 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1958 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1959 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1960 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1961 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1962
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1963 #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	1964 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1965 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1966 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	1967 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1968 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1969 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1970 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1971 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	1972 do_oop, assert_fn) \
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 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1975 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1976 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1977 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1978 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	1979 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1980 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1981 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1982 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1983
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1984 #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	1985 assert_fn) \
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 /* 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	1988 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	1989 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	1990 all the maps. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1991 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1992 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	1993 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1994 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1995 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1996 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	1997 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1998 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1999 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2000 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2001 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2002 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2003 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2004 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	2005 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2006 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2007 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2008 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2009 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2010 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2011
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2012 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	2013 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	2014 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	2015 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2016 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2017 MarkSweep::mark_and_push(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2018 assert_is_in_closed_subset)
0 a61af66fc99e Initial load duke parents: diff changeset	2019 }
a61af66fc99e Initial load duke parents: diff changeset	2020
a61af66fc99e Initial load duke parents: diff changeset	2021 #ifndef SERIALGC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2022 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm,
0 a61af66fc99e Initial load duke parents: diff changeset	2023 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2024 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	2025 PSParallelCompact::follow_klass(cm, obj->klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2026 // 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	2027 // everything else.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2028 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2029 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2030 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	2031 assert_is_in)
0 a61af66fc99e Initial load duke parents: diff changeset	2032 }
a61af66fc99e Initial load duke parents: diff changeset	2033 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	2034
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2035 // closure's do_metadata() method dictates whether the given closure should be
0 a61af66fc99e Initial load duke parents: diff changeset	2036 // applied to the klass ptr in the object header.
a61af66fc99e Initial load duke parents: diff changeset	2037
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2038 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2039 /* 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	2040 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	2041 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2042 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2043
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2044 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2045 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2046 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	2047 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	2048 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2049 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2050 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	2051 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2052 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2053 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2054 SpecializationStats:: \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2055 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	2056 (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	2057 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2058 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2059 }
a61af66fc99e Initial load duke parents: diff changeset	2060
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2061 #ifndef SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2062 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2063 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2064 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	2065 OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2066 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2067 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2068 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2069 closure->do_klass##nv_suffix(obj->klass()); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2070 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2071 /* instance variables */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2072 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2073 obj, \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2074 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2075 (closure)->do_oop##nv_suffix(p), \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2076 assert_is_in_closed_subset) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2077 return size_helper(); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2078 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2079 #endif // !SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2080
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2081 #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	2082 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2083 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	2084 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2085 MemRegion mr) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2086 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	2087 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2088 if (mr.contains(obj)) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2089 closure->do_klass##nv_suffix(obj->klass()); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2090 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2091 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2092 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2093 obj, mr.start(), mr.end(), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2094 (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	2095 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2096 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2097 }
a61af66fc99e Initial load duke parents: diff changeset	2098
a61af66fc99e Initial load duke parents: diff changeset	2099 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	2100 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	2101 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	2102 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN_m)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2103 #ifndef SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2104 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	2105 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2106 #endif // !SERIALGC
0 a61af66fc99e Initial load duke parents: diff changeset	2107
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2108 int InstanceKlass::oop_adjust_pointers(oop obj) {
0 a61af66fc99e Initial load duke parents: diff changeset	2109 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2110 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2111 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2112 MarkSweep::adjust_pointer(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2113 assert_is_in)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2114 MarkSweep::adjust_klass(obj->klass());
0 a61af66fc99e Initial load duke parents: diff changeset	2115 return size;
a61af66fc99e Initial load duke parents: diff changeset	2116 }
a61af66fc99e Initial load duke parents: diff changeset	2117
a61af66fc99e Initial load duke parents: diff changeset	2118 #ifndef SERIALGC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2119 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	2120 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2121 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2122 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2123 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	2124 }, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2125 assert_nothing )
0 a61af66fc99e Initial load duke parents: diff changeset	2126 }
a61af66fc99e Initial load duke parents: diff changeset	2127
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2128 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	2129 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2130 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2131 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2132 PSParallelCompact::adjust_pointer(p), \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2133 assert_is_in)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2134 obj->update_header(cm);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2135 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	2136 }
a61af66fc99e Initial load duke parents: diff changeset	2137
a61af66fc99e Initial load duke parents: diff changeset	2138 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	2139
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2140 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2141 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	2142 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2143 if (ClassUnloading) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2144 Klass* impl = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2145 if (impl != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2146 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	2147 // remove this guy
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 5998 diff changeset	2148 *adr_implementor() = NULL;
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2149 }
0 a61af66fc99e Initial load duke parents: diff changeset	2150 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2151 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2152 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2153 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2154
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2155 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2156 #ifdef COMPILER2
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2157 // Currently only used by C2.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2158 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2159 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2160 if (mdo != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2161 for (ProfileData* data = mdo->first_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2162 mdo->is_valid(data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2163 data = mdo->next_data(data)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2164 data->clean_weak_klass_links(is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2165 }
0 a61af66fc99e Initial load duke parents: diff changeset	2166 }
a61af66fc99e Initial load duke parents: diff changeset	2167 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2168 #else
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2169 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2170 // Verify that we haven't started to use MDOs for C1.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2171 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2172 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2173 assert(mdo == NULL, "Didn't expect C1 to use MDOs");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2174 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2175 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2176 #endif // !COMPILER2
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2177 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2178
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2180 static void remove_unshareable_in_class(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2181 // remove klass's unshareable info
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2182 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2183 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2184
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2185 void InstanceKlass::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2186 Klass::remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2187 // Unlink the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2188 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2189 unlink_class();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2190 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2191 init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2192
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2193 constants()->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2194
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2195 for (int i = 0; i < methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2196 Method* m = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2197 m->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2198 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2199
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2200 // Need to reinstate when reading back the class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2201 set_init_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2202
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2203 // do array classes also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2204 array_klasses_do(remove_unshareable_in_class);
0 a61af66fc99e Initial load duke parents: diff changeset	2205 }
a61af66fc99e Initial load duke parents: diff changeset	2206
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2207 void restore_unshareable_in_class(Klass* k, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2208 k->restore_unshareable_info(CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	2209 }
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::restore_unshareable_info(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2212 Klass::restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2213 instanceKlassHandle ik(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2214
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2215 Array<Method> methods = ik->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2216 int num_methods = methods->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2217 for (int index2 = 0; index2 < num_methods; ++index2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2218 methodHandle m(THREAD, methods->at(index2));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2219 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	2220 // 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	2221 m->restore_vtable();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2222 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2223 if (JvmtiExport::has_redefined_a_class()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2224 // Reinitialize vtable because RedefineClasses may have changed some
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2225 // 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	2226 // 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	2227 // 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	2228 // 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	2229 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2230 ik->vtable()->initialize_vtable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2231 ik->itable()->initialize_itable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2232 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2233
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2234 // Allocate a simple java object for a lock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2235 // 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	2236 // it can be held across a java call.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2237 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	2238 Handle h(THREAD, (oop)r);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2239 ik->set_init_lock(h());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2240
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2241 // restore constant pool resolved references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2242 ik->constants()->restore_unshareable_info(CHECK);
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 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	2245 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2246
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2247 static void clear_all_breakpoints(Method* m) {
0 a61af66fc99e Initial load duke parents: diff changeset	2248 m->clear_all_breakpoints();
a61af66fc99e Initial load duke parents: diff changeset	2249 }
a61af66fc99e Initial load duke parents: diff changeset	2250
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2251 void InstanceKlass::release_C_heap_structures() {
0 a61af66fc99e Initial load duke parents: diff changeset	2252 // Deallocate oop map cache
a61af66fc99e Initial load duke parents: diff changeset	2253 if (_oop_map_cache != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2254 delete _oop_map_cache;
a61af66fc99e Initial load duke parents: diff changeset	2255 _oop_map_cache = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2256 }
a61af66fc99e Initial load duke parents: diff changeset	2257
a61af66fc99e Initial load duke parents: diff changeset	2258 // Deallocate JNI identifiers for jfieldIDs
a61af66fc99e Initial load duke parents: diff changeset	2259 JNIid::deallocate(jni_ids());
a61af66fc99e Initial load duke parents: diff changeset	2260 set_jni_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2261
a61af66fc99e Initial load duke parents: diff changeset	2262 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2263 if (jmeths != (jmethodID*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2264 release_set_methods_jmethod_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2265 FreeHeap(jmeths);
a61af66fc99e Initial load duke parents: diff changeset	2266 }
a61af66fc99e Initial load duke parents: diff changeset	2267
a61af66fc99e Initial load duke parents: diff changeset	2268 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2269 if (indices != (int*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2270 release_set_methods_cached_itable_indices(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2271 FreeHeap(indices);
a61af66fc99e Initial load duke parents: diff changeset	2272 }
a61af66fc99e Initial load duke parents: diff changeset	2273
a61af66fc99e Initial load duke parents: diff changeset	2274 // release dependencies
a61af66fc99e Initial load duke parents: diff changeset	2275 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	2276 _dependencies = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2277 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2278 nmethodBucket* next = b->next();
a61af66fc99e Initial load duke parents: diff changeset	2279 delete b;
a61af66fc99e Initial load duke parents: diff changeset	2280 b = next;
a61af66fc99e Initial load duke parents: diff changeset	2281 }
a61af66fc99e Initial load duke parents: diff changeset	2282
a61af66fc99e Initial load duke parents: diff changeset	2283 // Deallocate breakpoint records
a61af66fc99e Initial load duke parents: diff changeset	2284 if (breakpoints() != 0x0) {
a61af66fc99e Initial load duke parents: diff changeset	2285 methods_do(clear_all_breakpoints);
a61af66fc99e Initial load duke parents: diff changeset	2286 assert(breakpoints() == 0x0, "should have cleared breakpoints");
a61af66fc99e Initial load duke parents: diff changeset	2287 }
a61af66fc99e Initial load duke parents: diff changeset	2288
a61af66fc99e Initial load duke parents: diff changeset	2289 // deallocate information about previous versions
a61af66fc99e Initial load duke parents: diff changeset	2290 if (_previous_versions != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2291 for (int i = _previous_versions->length() - 1; i >= 0; i--) {
a61af66fc99e Initial load duke parents: diff changeset	2292 PreviousVersionNode * pv_node = _previous_versions->at(i);
a61af66fc99e Initial load duke parents: diff changeset	2293 delete pv_node;
a61af66fc99e Initial load duke parents: diff changeset	2294 }
a61af66fc99e Initial load duke parents: diff changeset	2295 delete _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	2296 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2297 }
a61af66fc99e Initial load duke parents: diff changeset	2298
a61af66fc99e Initial load duke parents: diff changeset	2299 // deallocate the cached class file
a61af66fc99e Initial load duke parents: diff changeset	2300 if (_cached_class_file_bytes != NULL) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	2301 os::free(_cached_class_file_bytes, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	2302 _cached_class_file_bytes = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2303 _cached_class_file_len = 0;
a61af66fc99e Initial load duke parents: diff changeset	2304 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2305
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2306 // 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	2307 if (_name != NULL) _name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2308 // 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	2309 // class can't be referenced anymore).
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2310 if (_array_name != NULL) _array_name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2311 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	2312 if (_source_debug_extension != NULL) FREE_C_HEAP_ARRAY(char, _source_debug_extension, mtClass);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2313 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2314
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2315 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	2316 _source_file_name = n;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2317 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	2318 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2319
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2320 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	2321 if (array == NULL) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2322 _source_debug_extension = NULL;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2323 } else {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2324 // 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	2325 // 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	2326 // 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	2327 // unlikely to happen.
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2328 assert((length+1) > length, "Overflow checking");
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2329 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	2330 for (int i = 0; i < length; i++) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2331 sde[i] = array[i];
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2332 }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2333 sde[length] = '\0';
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2334 _source_debug_extension = sde;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2335 }
0 a61af66fc99e Initial load duke parents: diff changeset	2336 }
a61af66fc99e Initial load duke parents: diff changeset	2337
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2338 address InstanceKlass::static_field_addr(int offset) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	2339 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	2340 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2341
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2342
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2343 const char* InstanceKlass::signature_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2344 const char* src = (const char*) (name()->as_C_string());
a61af66fc99e Initial load duke parents: diff changeset	2345 const int src_length = (int)strlen(src);
a61af66fc99e Initial load duke parents: diff changeset	2346 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
a61af66fc99e Initial load duke parents: diff changeset	2347 int src_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2348 int dest_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2349 dest[dest_index++] = 'L';
a61af66fc99e Initial load duke parents: diff changeset	2350 while (src_index < src_length) {
a61af66fc99e Initial load duke parents: diff changeset	2351 dest[dest_index++] = src[src_index++];
a61af66fc99e Initial load duke parents: diff changeset	2352 }
a61af66fc99e Initial load duke parents: diff changeset	2353 dest[dest_index++] = ';';
a61af66fc99e Initial load duke parents: diff changeset	2354 dest[dest_index] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	2355 return dest;
a61af66fc99e Initial load duke parents: diff changeset	2356 }
a61af66fc99e Initial load duke parents: diff changeset	2357
a61af66fc99e Initial load duke parents: diff changeset	2358 // different verisons of is_same_class_package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2359 bool InstanceKlass::is_same_class_package(Klass* class2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2360 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2361 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2362 Symbol* classname1 = Klass::cast(class1)->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2363
a61af66fc99e Initial load duke parents: diff changeset	2364 if (Klass::cast(class2)->oop_is_objArray()) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	2365 class2 = ObjArrayKlass::cast(class2)->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2366 }
a61af66fc99e Initial load duke parents: diff changeset	2367 oop classloader2;
a61af66fc99e Initial load duke parents: diff changeset	2368 if (Klass::cast(class2)->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2369 classloader2 = InstanceKlass::cast(class2)->class_loader();
0 a61af66fc99e Initial load duke parents: diff changeset	2370 } else {
a61af66fc99e Initial load duke parents: diff changeset	2371 assert(Klass::cast(class2)->oop_is_typeArray(), "should be type array");
a61af66fc99e Initial load duke parents: diff changeset	2372 classloader2 = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2373 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2374 Symbol* classname2 = Klass::cast(class2)->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2375
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2376 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2377 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2378 }
a61af66fc99e Initial load duke parents: diff changeset	2379
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2380 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	2381 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2382 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2383 Symbol* classname1 = Klass::cast(class1)->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2384
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2385 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2386 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2387 }
a61af66fc99e Initial load duke parents: diff changeset	2388
a61af66fc99e Initial load duke parents: diff changeset	2389 // return true if two classes are in the same package, classloader
a61af66fc99e Initial load duke parents: diff changeset	2390 // 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	2391 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	2392 oop class_loader2, Symbol* class_name2) {
0 a61af66fc99e Initial load duke parents: diff changeset	2393 if (class_loader1 != class_loader2) {
a61af66fc99e Initial load duke parents: diff changeset	2394 return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2395 } else if (class_name1 == class_name2) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2396 return true; // skip painful bytewise comparison
0 a61af66fc99e Initial load duke parents: diff changeset	2397 } else {
a61af66fc99e Initial load duke parents: diff changeset	2398 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2399
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2400 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly
0 a61af66fc99e Initial load duke parents: diff changeset	2401 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding.
a61af66fc99e Initial load duke parents: diff changeset	2402 // 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	2403 const jbyte *name1 = class_name1->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2404 const jbyte *name2 = class_name2->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2405
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2406 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	2407 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/');
0 a61af66fc99e Initial load duke parents: diff changeset	2408
a61af66fc99e Initial load duke parents: diff changeset	2409 if ((last_slash1 == NULL) \|\| (last_slash2 == NULL)) {
a61af66fc99e Initial load duke parents: diff changeset	2410 // One of the two doesn't have a package. Only return true
a61af66fc99e Initial load duke parents: diff changeset	2411 // if the other one also doesn't have a package.
a61af66fc99e Initial load duke parents: diff changeset	2412 return last_slash1 == last_slash2;
a61af66fc99e Initial load duke parents: diff changeset	2413 } else {
a61af66fc99e Initial load duke parents: diff changeset	2414 // Skip over '['s
a61af66fc99e Initial load duke parents: diff changeset	2415 if (*name1 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2416 do {
a61af66fc99e Initial load duke parents: diff changeset	2417 name1++;
a61af66fc99e Initial load duke parents: diff changeset	2418 } while (*name1 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2419 if (*name1 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2420 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2421 return false;
a61af66fc99e Initial load duke parents: diff changeset	2422 }
a61af66fc99e Initial load duke parents: diff changeset	2423 }
a61af66fc99e Initial load duke parents: diff changeset	2424 if (*name2 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2425 do {
a61af66fc99e Initial load duke parents: diff changeset	2426 name2++;
a61af66fc99e Initial load duke parents: diff changeset	2427 } while (*name2 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2428 if (*name2 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2429 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2430 return false;
a61af66fc99e Initial load duke parents: diff changeset	2431 }
a61af66fc99e Initial load duke parents: diff changeset	2432 }
a61af66fc99e Initial load duke parents: diff changeset	2433
a61af66fc99e Initial load duke parents: diff changeset	2434 // Check that package part is identical
a61af66fc99e Initial load duke parents: diff changeset	2435 int length1 = last_slash1 - name1;
a61af66fc99e Initial load duke parents: diff changeset	2436 int length2 = last_slash2 - name2;
a61af66fc99e Initial load duke parents: diff changeset	2437
a61af66fc99e Initial load duke parents: diff changeset	2438 return UTF8::equal(name1, length1, name2, length2);
a61af66fc99e Initial load duke parents: diff changeset	2439 }
a61af66fc99e Initial load duke parents: diff changeset	2440 }
a61af66fc99e Initial load duke parents: diff changeset	2441 }
a61af66fc99e Initial load duke parents: diff changeset	2442
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2443 // 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	2444 // See JSL 3rd edition 8.4.6.1
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2445 // Assumes name-signature match
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2446 // "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	2447 // 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	2448 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	2449 // Private methods can not be overridden
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2450 if (super_method->is_private()) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2451 return false;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2452 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2453 // If super method is accessible, then override
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2454 if ((super_method->is_protected()) \|\|
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2455 (super_method->is_public())) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2456 return true;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2457 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2458 // Package-private methods are not inherited outside of package
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2459 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	2460 return(is_same_class_package(targetclassloader(), targetclassname));
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2461 }
0 a61af66fc99e Initial load duke parents: diff changeset	2462
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2463 /* 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	2464 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	2465 Symbol*& simple_name_result, TRAPS) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2466 ...
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2467 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2468 */
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2469
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2470 // 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	2471 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	2472 Klass* class2_oop, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2473 if (class2_oop == class1()) return true;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2474 if (!Klass::cast(class2_oop)->oop_is_instance()) return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2475 instanceKlassHandle class2(THREAD, class2_oop);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2476
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2477 // must be in same package before we try anything else
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2478 if (!class1->is_same_class_package(class2->class_loader(), class2->name()))
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2479 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2480
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2481 // As long as there is an outer1.getEnclosingClass,
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2482 // shift the search outward.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2483 instanceKlassHandle outer1 = class1;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2484 for (;;) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2485 // As we walk along, look for equalities between outer1 and class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2486 // Eventually, the walks will terminate as outer1 stops
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2487 // 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	2488 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2489 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	2490 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2491 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2492 if (next == class2()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2493 outer1 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2494 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2495
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2496 // Now do the same for class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2497 instanceKlassHandle outer2 = class2;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2498 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	2499 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2500 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	2501 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2502 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2503 // Might as well check the new outer against all available values.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2504 if (next == class1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2505 if (next == outer1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2506 outer2 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2507 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2508
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2509 // 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	2510 // two classes, we know they are in separate package members.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2511 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2512 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2513
0 a61af66fc99e Initial load duke parents: diff changeset	2514
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2515 jint InstanceKlass::compute_modifier_flags(TRAPS) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2516 jint access = access_flags().as_int();
a61af66fc99e Initial load duke parents: diff changeset	2517
a61af66fc99e Initial load duke parents: diff changeset	2518 // 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	2519 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	2520 InnerClassesIterator iter(ik);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2521 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	2522 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	2523 // 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	2524 // 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	2525 if (ioff == 0) continue;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2526
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2527 // 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	2528 // 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	2529 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	2530 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	2531 // 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	2532 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	2533 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2534 }
a61af66fc99e Initial load duke parents: diff changeset	2535 }
a61af66fc99e Initial load duke parents: diff changeset	2536 // Remember to strip ACC_SUPER bit
a61af66fc99e Initial load duke parents: diff changeset	2537 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS;
a61af66fc99e Initial load duke parents: diff changeset	2538 }
a61af66fc99e Initial load duke parents: diff changeset	2539
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2540 jint InstanceKlass::jvmti_class_status() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2541 jint result = 0;
a61af66fc99e Initial load duke parents: diff changeset	2542
a61af66fc99e Initial load duke parents: diff changeset	2543 if (is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	2544 result \|= JVMTI_CLASS_STATUS_VERIFIED \| JVMTI_CLASS_STATUS_PREPARED;
a61af66fc99e Initial load duke parents: diff changeset	2545 }
a61af66fc99e Initial load duke parents: diff changeset	2546
a61af66fc99e Initial load duke parents: diff changeset	2547 if (is_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	2548 assert(is_linked(), "Class status is not consistent");
a61af66fc99e Initial load duke parents: diff changeset	2549 result \|= JVMTI_CLASS_STATUS_INITIALIZED;
a61af66fc99e Initial load duke parents: diff changeset	2550 }
a61af66fc99e Initial load duke parents: diff changeset	2551 if (is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	2552 result \|= JVMTI_CLASS_STATUS_ERROR;
a61af66fc99e Initial load duke parents: diff changeset	2553 }
a61af66fc99e Initial load duke parents: diff changeset	2554 return result;
a61af66fc99e Initial load duke parents: diff changeset	2555 }
a61af66fc99e Initial load duke parents: diff changeset	2556
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2557 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	2558 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable();
a61af66fc99e Initial load duke parents: diff changeset	2559 int method_table_offset_in_words = ioe->offset()/wordSize;
a61af66fc99e Initial load duke parents: diff changeset	2560 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words())
a61af66fc99e Initial load duke parents: diff changeset	2561 / itableOffsetEntry::size();
a61af66fc99e Initial load duke parents: diff changeset	2562
a61af66fc99e Initial load duke parents: diff changeset	2563 for (int cnt = 0 ; ; cnt ++, ioe ++) {
605 98cb887364d3 6810672: Comment typos twisti parents: 356 diff changeset	2564 // If the interface isn't implemented by the receiver class,
0 a61af66fc99e Initial load duke parents: diff changeset	2565 // the VM should throw IncompatibleClassChangeError.
a61af66fc99e Initial load duke parents: diff changeset	2566 if (cnt >= nof_interfaces) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2567 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError());
0 a61af66fc99e Initial load duke parents: diff changeset	2568 }
a61af66fc99e Initial load duke parents: diff changeset	2569
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2570 Klass* ik = ioe->interface_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2571 if (ik == holder) break;
a61af66fc99e Initial load duke parents: diff changeset	2572 }
a61af66fc99e Initial load duke parents: diff changeset	2573
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2574 itableMethodEntry* ime = ioe->first_method_entry(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2575 Method* m = ime[index].method();
0 a61af66fc99e Initial load duke parents: diff changeset	2576 if (m == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2577 THROW_NULL(vmSymbols::java_lang_AbstractMethodError());
0 a61af66fc99e Initial load duke parents: diff changeset	2578 }
a61af66fc99e Initial load duke parents: diff changeset	2579 return m;
a61af66fc99e Initial load duke parents: diff changeset	2580 }
a61af66fc99e Initial load duke parents: diff changeset	2581
a61af66fc99e Initial load duke parents: diff changeset	2582 // On-stack replacement stuff
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2583 void InstanceKlass::add_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2584 // only one compilation can be active
a61af66fc99e Initial load duke parents: diff changeset	2585 NEEDS_CLEANUP
a61af66fc99e Initial load duke parents: diff changeset	2586 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2587 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2588 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	2589 n->set_osr_link(osr_nmethods_head());
0 a61af66fc99e Initial load duke parents: diff changeset	2590 set_osr_nmethods_head(n);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2591 // Raise the highest osr level if necessary
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2592 if (TieredCompilation) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2593 Method* m = n->method();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2594 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level()));
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2595 }
0 a61af66fc99e Initial load duke parents: diff changeset	2596 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2597 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2598
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2599 // Get rid of the osr methods for the same bci that have lower levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2600 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2601 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2602 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2603 if (inv != NULL && inv->is_in_use()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2604 inv->make_not_entrant();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2605 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2606 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2607 }
0 a61af66fc99e Initial load duke parents: diff changeset	2608 }
a61af66fc99e Initial load duke parents: diff changeset	2609
a61af66fc99e Initial load duke parents: diff changeset	2610
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2611 void InstanceKlass::remove_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2612 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2613 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2614 assert(n->is_osr_method(), "wrong kind of nmethod");
a61af66fc99e Initial load duke parents: diff changeset	2615 nmethod* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2616 nmethod* cur = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2617 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	2618 Method* m = n->method();
0 a61af66fc99e Initial load duke parents: diff changeset	2619 // Search for match
a61af66fc99e Initial load duke parents: diff changeset	2620 while(cur != NULL && cur != n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2621 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2622 // Find max level before n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2623 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2624 }
0 a61af66fc99e Initial load duke parents: diff changeset	2625 last = cur;
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2626 cur = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2627 }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2628 nmethod* next = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2629 if (cur == n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2630 next = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2631 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2632 // Remove first element
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2633 set_osr_nmethods_head(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2634 } else {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2635 last->set_osr_link(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2636 }
a61af66fc99e Initial load duke parents: diff changeset	2637 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2638 n->set_osr_link(NULL);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2639 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2640 cur = next;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2641 while (cur != NULL) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2642 // Find max level after n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2643 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2644 cur = cur->osr_link();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2645 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2646 m->set_highest_osr_comp_level(max_level);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2647 }
0 a61af66fc99e Initial load duke parents: diff changeset	2648 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2649 OsrList_lock->unlock();
a61af66fc99e Initial load duke parents: diff changeset	2650 }
a61af66fc99e Initial load duke parents: diff changeset	2651
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2652 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	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 nmethod* osr = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2656 nmethod* best = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2657 while (osr != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2658 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2659 // There can be a time when a c1 osr method exists but we are waiting
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2660 // for a c2 version. When c2 completes its osr nmethod we will trash
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2661 // the c1 version and only be able to find the c2 version. However
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2662 // while we overflow in the c1 code at back branches we don't want to
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2663 // try and switch to the same code as we are already running
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2664
0 a61af66fc99e Initial load duke parents: diff changeset	2665 if (osr->method() == m &&
a61af66fc99e Initial load duke parents: diff changeset	2666 (bci == InvocationEntryBci \|\| osr->osr_entry_bci() == bci)) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2667 if (match_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2668 if (osr->comp_level() == comp_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2669 // Found a match - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2670 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2671 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2672 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2673 } else {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2674 if (best == NULL \|\| (osr->comp_level() > best->comp_level())) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2675 if (osr->comp_level() == CompLevel_highest_tier) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2676 // Found the best possible - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2677 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2678 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2679 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2680 best = osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2681 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2682 }
0 a61af66fc99e Initial load duke parents: diff changeset	2683 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2684 osr = osr->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2685 }
a61af66fc99e Initial load duke parents: diff changeset	2686 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2687 if (best != NULL && best->comp_level() >= comp_level && match_level == false) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2688 return best;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2689 }
0 a61af66fc99e Initial load duke parents: diff changeset	2690 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2691 }
a61af66fc99e Initial load duke parents: diff changeset	2692
a61af66fc99e Initial load duke parents: diff changeset	2693 // -----------------------------------------------------------------------------------------------------
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2694 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2695
0 a61af66fc99e Initial load duke parents: diff changeset	2696 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2697
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2698 #define BULLET " - "
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2699
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2700 static const char* state_names[] = {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2701 "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	2702 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2703
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2704 void InstanceKlass::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2705 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2706 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2707
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2708 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	2709 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	2710 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	2711 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	2712 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	2713 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	2714 st->print(BULLET"sub: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2715 Klass* sub = subklass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2716 int n;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2717 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	2718 if (n < MaxSubklassPrintSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2719 sub->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2720 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2721 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2722 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2723 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	2724 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2726 if (is_interface()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2727 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	2728 if (nof_implementors() == 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2729 st->print_cr(BULLET"implementor: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2730 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2731 implementor()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2732 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2733 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2734 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2735
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2736 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	2737 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	2738 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2739 Array<Method> method_array = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2740 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	2741 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	2742 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2743 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2744 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	2745 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	2746 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	2747 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	2748 if (class_loader_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2749 st->print(BULLET"class loader data: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2750 class_loader_data()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2751 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2752 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2753 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	2754 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	2755 st->print(BULLET"signers: "); signers()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2756 st->print(BULLET"init_lock: "); ((oop)init_lock())->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2757 if (source_file_name() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2758 st->print(BULLET"source file: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2759 source_file_name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2760 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2761 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2762 if (source_debug_extension() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2763 st->print(BULLET"source debug extension: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2764 st->print("%s", source_debug_extension());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2765 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2766 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2767 st->print(BULLET"annotations: "); annotations()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2768 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2769 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2770 // PreviousVersionInfo objects returned via PreviousVersionWalker
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2771 // 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	2772 // GrowableArray _after_ the PreviousVersionWalker destructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2773 // has destroyed the handles.
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 bool have_pv = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2776 PreviousVersionWalker pvw((InstanceKlass*)this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2777 for (PreviousVersionInfo * pv_info = pvw.next_previous_version();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2778 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	2779 if (!have_pv)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2780 st->print(BULLET"previous version: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2781 have_pv = true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2782 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	2783 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2784 if (have_pv) st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2785 } // pvw is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2786 } // rm is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2787
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2788 if (generic_signature() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2789 st->print(BULLET"generic signature: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2790 generic_signature()->print_value_on(st);
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 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	2794 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	2795 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	2796 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	2797 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	2798 FieldPrinter print_static_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2799 ((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	2800 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	2801 FieldPrinter print_nonstatic_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2802 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2803
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2804 st->print(BULLET"non-static oop maps: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2805 OopMapBlock* map = start_of_nonstatic_oop_maps();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2806 OopMapBlock* end_map = map + nonstatic_oop_map_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2807 while (map < end_map) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2808 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	2809 map++;
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->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2812 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2813
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2814 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2815
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2816 void InstanceKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2817 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2818 name()->print_value_on(st);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2821 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2822
0 a61af66fc99e Initial load duke parents: diff changeset	2823 void FieldPrinter::do_field(fieldDescriptor* fd) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2824 _st->print(BULLET);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2825 if (_obj == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2826 fd->print_on(_st);
a61af66fc99e Initial load duke parents: diff changeset	2827 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2828 } else {
a61af66fc99e Initial load duke parents: diff changeset	2829 fd->print_on_for(_st, _obj);
a61af66fc99e Initial load duke parents: diff changeset	2830 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2831 }
a61af66fc99e Initial load duke parents: diff changeset	2832 }
a61af66fc99e Initial load duke parents: diff changeset	2833
a61af66fc99e Initial load duke parents: diff changeset	2834
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2835 void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2836 Klass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2837
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2838 if (this == SystemDictionary::String_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	2839 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load duke parents: diff changeset	2840 juint offset = java_lang_String::offset(obj);
a61af66fc99e Initial load duke parents: diff changeset	2841 juint length = java_lang_String::length(obj);
a61af66fc99e Initial load duke parents: diff changeset	2842 if (value != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2843 value->is_typeArray() &&
a61af66fc99e Initial load duke parents: diff changeset	2844 offset <= (juint) value->length() &&
a61af66fc99e Initial load duke parents: diff changeset	2845 offset + length <= (juint) value->length()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2846 st->print(BULLET"string: ");
0 a61af66fc99e Initial load duke parents: diff changeset	2847 Handle h_obj(obj);
a61af66fc99e Initial load duke parents: diff changeset	2848 java_lang_String::print(h_obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2849 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2850 if (!WizardMode) return; // that is enough
a61af66fc99e Initial load duke parents: diff changeset	2851 }
a61af66fc99e Initial load duke parents: diff changeset	2852 }
a61af66fc99e Initial load duke parents: diff changeset	2853
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2854 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	2855 FieldPrinter print_field(st, obj);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2856 do_nonstatic_fields(&print_field);
0 a61af66fc99e Initial load duke parents: diff changeset	2857
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2858 if (this == SystemDictionary::Class_klass()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2859 st->print(BULLET"signature: ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2860 java_lang_Class::print_signature(obj, st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2861 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2862 Klass* mirrored_klass = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2863 st->print(BULLET"fake entry for mirror: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2864 mirrored_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2865 st->cr();
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2866 st->print(BULLET"fake entry resolved_constructor: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2867 Method* ctor = java_lang_Class::resolved_constructor(obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2868 ctor->print_value_on_maybe_null(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2869 Klass* array_klass = java_lang_Class::array_klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2870 st->cr();
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2871 st->print(BULLET"fake entry for array: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2872 array_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2873 st->cr();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2874 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	2875 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	2876 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	2877 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	2878 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	2879 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2880 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2881 st->print(BULLET"signature: ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2882 java_lang_invoke_MethodType::print_signature(obj, st);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2883 st->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	2884 }
a61af66fc99e Initial load duke parents: diff changeset	2885 }
a61af66fc99e Initial load duke parents: diff changeset	2886
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2887 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2888
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2889 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2890 st->print("a ");
a61af66fc99e Initial load duke parents: diff changeset	2891 name()->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	2892 obj->print_address_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2893 if (this == SystemDictionary::String_klass()
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2894 && java_lang_String::value(obj) != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2895 ResourceMark rm;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2896 int len = java_lang_String::length(obj);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2897 int plen = (len < 24 ? len : 12);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2898 char* str = java_lang_String::as_utf8_string(obj, 0, plen);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2899 st->print(" = \"%s\"", str);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2900 if (len > plen)
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2901 st->print("...[%d]", len);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2902 } else if (this == SystemDictionary::Class_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2903 Klass* k = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2904 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2905 if (k != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2906 k->print_value_on(st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2907 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2908 const char* tname = type2name(java_lang_Class::primitive_type(obj));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2909 st->print("%s", tname ? tname : "type?");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2910 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2911 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2912 st->print(" = ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2913 java_lang_invoke_MethodType::print_signature(obj, st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2914 } else if (java_lang_boxing_object::is_instance(obj)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2915 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2916 java_lang_boxing_object::print(obj, st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2917 } 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	2918 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	2919 if (vmentry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2920 st->print(" => ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2921 vmentry->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2922 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2923 } else if (this == SystemDictionary::MemberName_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2924 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	2925 if (vmtarget != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2926 st->print(" = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2927 vmtarget->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2928 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2929 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	2930 st->print(".");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2931 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	2932 }
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2933 }
0 a61af66fc99e Initial load duke parents: diff changeset	2934 }
a61af66fc99e Initial load duke parents: diff changeset	2935
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2936 const char* InstanceKlass::internal_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2937 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	2938 }
a61af66fc99e Initial load duke parents: diff changeset	2939
a61af66fc99e Initial load duke parents: diff changeset	2940 // Verification
a61af66fc99e Initial load duke parents: diff changeset	2941
a61af66fc99e Initial load duke parents: diff changeset	2942 class VerifyFieldClosure: public OopClosure {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2943 protected:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2944 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	2945 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	2946 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	2947 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj);
0 a61af66fc99e Initial load duke parents: diff changeset	2948 Universe::print();
a61af66fc99e Initial load duke parents: diff changeset	2949 guarantee(false, "boom");
a61af66fc99e Initial load duke parents: diff changeset	2950 }
a61af66fc99e Initial load duke parents: diff changeset	2951 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2952 public:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2953 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	2954 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
0 a61af66fc99e Initial load duke parents: diff changeset	2955 };
a61af66fc99e Initial load duke parents: diff changeset	2956
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2957 void InstanceKlass::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2958 Klass::verify_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2959 Thread *thread = Thread::current();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2960
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2961 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2962 // Avoid redundant verifies
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2963 if (_verify_count == Universe::verify_count()) return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2964 _verify_count = Universe::verify_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2965 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2966 // Verify that klass is present in SystemDictionary
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2967 if (is_loaded() && !is_anonymous()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2968 Symbol* h_name = name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2969 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	2970 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2971
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2972 // Verify static fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2973 VerifyFieldClosure blk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2974
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2975 // Verify vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2976 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2977 ResourceMark rm(thread);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2978 // $$$ 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	2979 // always seemed a valid generalization. (DLD -- 6/00)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2980 vtable()->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2981 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2982
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2983 // Verify first subklass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2984 if (subklass_oop() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2985 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	2986 guarantee(subklass_oop()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2987 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2988
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2989 // Verify siblings
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2990 Klass* super = this->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2991 Klass* sib = next_sibling();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2992 if (sib != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2993 if (sib == this) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2994 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	2995 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2996
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2997 guarantee(sib->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2998 guarantee(sib->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2999 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	3000 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3001
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3002 // Verify implementor fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3003 Klass* im = implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3004 if (im != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3005 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	3006 guarantee(im->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3007 guarantee(!Klass::cast(im)->is_interface() \|\| im == this,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3008 "implementors cannot be interfaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3009 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3010
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3011 // Verify local interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3012 if (local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3013 Array<Klass> local_interfaces = this->local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3014 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	3015 Klass* e = local_interfaces->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3016 guarantee(e->is_klass() && Klass::cast(e)->is_interface(), "invalid local interface");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3017 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3018 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3019
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3020 // Verify transitive interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3021 if (transitive_interfaces() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3022 Array<Klass> transitive_interfaces = this->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3023 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	3024 Klass* e = transitive_interfaces->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3025 guarantee(e->is_klass() && Klass::cast(e)->is_interface(), "invalid transitive interface");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3026 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3027 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3028
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3029 // Verify methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3030 if (methods() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3031 Array<Method> methods = this->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3032 for (int j = 0; j < methods->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3033 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	3034 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	3035 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3036 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	3037 Method* m1 = methods->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3038 Method* m2 = methods->at(j + 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3039 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	3040 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3041 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3042
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3043 // Verify method ordering
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3044 if (method_ordering() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3045 Array<int>* method_ordering = this->method_ordering();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3046 int length = method_ordering->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3047 if (JvmtiExport::can_maintain_original_method_order() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3048 (UseSharedSpaces && length != 0)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3049 guarantee(length == methods()->length(), "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3050 jlong sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3051 for (int j = 0; j < length; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3052 int original_index = method_ordering->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3053 guarantee(original_index >= 0, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3054 guarantee(original_index < length, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3055 sum += original_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3056 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3057 // Verify sum of indices 0,1,...,length-1
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3058 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	3059 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3060 guarantee(length == 0, "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3061 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3062 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3063
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3064 // Verify JNI static field identifiers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3065 if (jni_ids() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3066 jni_ids()->verify(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3067 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3068
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3069 // Verify other fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3070 if (array_klasses() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3071 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	3072 guarantee(array_klasses()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3073 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3074 if (constants() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3075 guarantee(constants()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3076 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3077 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3078 if (protection_domain() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3079 guarantee(protection_domain()->is_oop(), "should be oop");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3080 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3081 if (host_klass() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3082 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	3083 guarantee(host_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3084 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3085 if (signers() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3086 guarantee(signers()->is_objArray(), "should be obj array");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3087 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3088 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3089
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3090 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	3091 Klass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	3092 VerifyFieldClosure blk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3093 obj->oop_iterate_no_header(&blk);
0 a61af66fc99e Initial load duke parents: diff changeset	3094 }
a61af66fc99e Initial load duke parents: diff changeset	3095
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3096
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3097 // JNIid class for jfieldIDs only
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3098 // Note to reviewers:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3099 // 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	3100 // in the compressed oops workspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3101 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	3102 _holder = holder;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3103 _offset = offset;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3104 _next = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3105 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	3106 }
0 a61af66fc99e Initial load duke parents: diff changeset	3107
a61af66fc99e Initial load duke parents: diff changeset	3108
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3109 JNIid* JNIid::find(int offset) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3110 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3111 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3112 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	3113 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3114 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3115 return NULL;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3116 }
0 a61af66fc99e Initial load duke parents: diff changeset	3117
a61af66fc99e Initial load duke parents: diff changeset	3118 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	3119 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3120 JNIid* next = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3121 delete current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3122 current = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3123 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3124 }
0 a61af66fc99e Initial load duke parents: diff changeset	3125
a61af66fc99e Initial load duke parents: diff changeset	3126
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3127 void JNIid::verify(Klass* holder) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	3128 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	3129 int end_field_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3130 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize);
0 a61af66fc99e Initial load duke parents: diff changeset	3131
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3132 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3133 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3134 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	3135 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3136 int o = current->offset();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3137 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	3138 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	3139 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3140 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3141 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3142 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3143 }
0 a61af66fc99e Initial load duke parents: diff changeset	3144
a61af66fc99e Initial load duke parents: diff changeset	3145
a61af66fc99e Initial load duke parents: diff changeset	3146 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3147 void InstanceKlass::set_init_state(ClassState state) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3148 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	3149 : (_init_state < state);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3150 assert(good_state \|\| state == allocated, "illegal state transition");
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	3151 _init_state = (u1)state;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3152 }
0 a61af66fc99e Initial load duke parents: diff changeset	3153 #endif
a61af66fc99e Initial load duke parents: diff changeset	3154
a61af66fc99e Initial load duke parents: diff changeset	3155
a61af66fc99e Initial load duke parents: diff changeset	3156 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	3157
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3158 // Purge previous versions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3159 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	3160 if (ik->previous_versions() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3161 // 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	3162 // while it is safe to do so.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3163
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3164 int deleted_count = 0; // leave debugging breadcrumbs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3165 int live_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3166 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3167 ClassLoaderData::the_null_class_loader_data() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3168 ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3169
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3170 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3171 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	3172 ik->external_name(), ik->previous_versions()->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 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	3175 // check the previous versions array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3176 PreviousVersionNode * pv_node = ik->previous_versions()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3177 ConstantPool* cp_ref = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3178 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	3179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3180 ConstantPool* pvcp = cp_ref;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3181 if (!pvcp->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3182 // 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	3183 // 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	3184 // and this previous version node.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3185 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	3186 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3187 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	3188 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3189 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3190 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3191 // method will be freed with associated class.
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 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3194 // Remove the constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3195 delete pv_node;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3196 // 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	3197 // do anything special with the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3198 ik->previous_versions()->remove_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3199 deleted_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3200 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3201 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3202 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	3203 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	3204 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	3205 live_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3206 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3207
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3208 // 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	3209 // the others or mark them as obsolete.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3210 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	3211 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3212 RC_TRACE(0x00000200, ("purge: previous methods length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3213 method_refs->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3214 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	3215 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3216 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3217
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3218 // 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	3219 // 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	3220 // 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	3221 if (!method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3222 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3223 } else if (emcp_method_count == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3224 method->set_is_obsolete();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3225 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3226 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3227 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3228 ("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	3229 method->name()->as_C_string(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3230 method->signature()->as_C_string(), j, i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3231 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3232 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3233 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3234 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3235 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	3236 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3237 ("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	3238 deleted_count));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3239 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3240 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3241
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3242 // External interface for use during class unloading.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3243 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3244 // 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	3245 purge_previous_versions_internal(ik, 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3246 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3247
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3248
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3249 // Potentially add an information node that contains pointers to the
0 a61af66fc99e Initial load duke parents: diff changeset	3250 // 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	3251 // 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	3252 // 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	3253 // 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	3254 // 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	3255 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3256 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	3257 BitMap* emcp_methods, int emcp_method_count) {
0 a61af66fc99e Initial load duke parents: diff changeset	3258 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	3259 "only VMThread can add previous versions");
0 a61af66fc99e Initial load duke parents: diff changeset	3260
a61af66fc99e Initial load duke parents: diff changeset	3261 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3262 // This is the first previous version so make some space.
a61af66fc99e Initial load duke parents: diff changeset	3263 // Start with 2 elements under the assumption that the class
a61af66fc99e Initial load duke parents: diff changeset	3264 // won't be redefined much.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3265 _previous_versions = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3266 GrowableArray<PreviousVersionNode *>(2, true);
a61af66fc99e Initial load duke parents: diff changeset	3267 }
a61af66fc99e Initial load duke parents: diff changeset	3268
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3269 ConstantPool* cp_ref = ikh->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3270
0 a61af66fc99e Initial load duke parents: diff changeset	3271 // RC_TRACE macro has an embedded ResourceMark
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3272 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	3273 "on_stack=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3274 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	3275 cp_ref->on_stack()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3276
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3277 // 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	3278 // 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	3279 // 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	3280 // 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	3281 // 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	3282 Array<Method> old_methods = ikh->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3283
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3284 if (cp_ref->on_stack()) {
0 a61af66fc99e Initial load duke parents: diff changeset	3285 PreviousVersionNode * pv_node = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3286 if (emcp_method_count == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3287 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3288 pv_node = new PreviousVersionNode(cp_ref, !cp_ref->is_shared(), NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	3289 RC_TRACE(0x00000400,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3290 ("add: all methods are obsolete; flushing any EMCP refs"));
0 a61af66fc99e Initial load duke parents: diff changeset	3291 } else {
a61af66fc99e Initial load duke parents: diff changeset	3292 int local_count = 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3293 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	3294 GrowableArray<Method*>(emcp_method_count, true);
0 a61af66fc99e Initial load duke parents: diff changeset	3295 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3296 if (emcp_methods->at(i)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3297 // 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	3298 Method* old_method = old_methods->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3299 if (old_method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3300 method_refs->append(old_method);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3301 }
0 a61af66fc99e Initial load duke parents: diff changeset	3302 if (++local_count >= emcp_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3303 // no more EMCP methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3304 break;
a61af66fc99e Initial load duke parents: diff changeset	3305 }
a61af66fc99e Initial load duke parents: diff changeset	3306 }
a61af66fc99e Initial load duke parents: diff changeset	3307 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3308 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3309 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	3310 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3311 // append new previous version.
0 a61af66fc99e Initial load duke parents: diff changeset	3312 _previous_versions->append(pv_node);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3313 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3314
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3315 // 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	3316 // is a good time to clear out unused references.
0 a61af66fc99e Initial load duke parents: diff changeset	3317
a61af66fc99e Initial load duke parents: diff changeset	3318 RC_TRACE(0x00000400, ("add: previous version length=%d",
a61af66fc99e Initial load duke parents: diff changeset	3319 _previous_versions->length()));
a61af66fc99e Initial load duke parents: diff changeset	3320
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3321 // Purge previous versions not executing on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3322 purge_previous_versions_internal(this, emcp_method_count);
0 a61af66fc99e Initial load duke parents: diff changeset	3323
a61af66fc99e Initial load duke parents: diff changeset	3324 int obsolete_method_count = old_methods->length() - emcp_method_count;
a61af66fc99e Initial load duke parents: diff changeset	3325
a61af66fc99e Initial load duke parents: diff changeset	3326 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	3327 _previous_versions->length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3328 // We have a mix of obsolete and EMCP methods so we have to
0 a61af66fc99e Initial load duke parents: diff changeset	3329 // clear out any matching EMCP method entries the hard way.
a61af66fc99e Initial load duke parents: diff changeset	3330 int local_count = 0;
a61af66fc99e Initial load duke parents: diff changeset	3331 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3332 if (!emcp_methods->at(i)) {
a61af66fc99e Initial load duke parents: diff changeset	3333 // only obsolete methods are interesting
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3334 Method* old_method = old_methods->at(i);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3335 Symbol* m_name = old_method->name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3336 Symbol* m_signature = old_method->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	3337
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3338 // we might not have added the last entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3339 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	3340 // 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	3341 PreviousVersionNode * pv_node = _previous_versions->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3342
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3343 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3344 if (method_refs == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3345 // We have run into a PreviousVersion generation where
a61af66fc99e Initial load duke parents: diff changeset	3346 // all methods were made obsolete during that generation's
a61af66fc99e Initial load duke parents: diff changeset	3347 // RedefineClasses() operation. At the time of that
a61af66fc99e Initial load duke parents: diff changeset	3348 // operation, all EMCP methods were flushed so we don't
a61af66fc99e Initial load duke parents: diff changeset	3349 // have to go back any further.
a61af66fc99e Initial load duke parents: diff changeset	3350 //
a61af66fc99e Initial load duke parents: diff changeset	3351 // A NULL method_refs is different than an empty method_refs.
a61af66fc99e Initial load duke parents: diff changeset	3352 // We cannot infer any optimizations about older generations
a61af66fc99e Initial load duke parents: diff changeset	3353 // from an empty method_refs for the current generation.
a61af66fc99e Initial load duke parents: diff changeset	3354 break;
a61af66fc99e Initial load duke parents: diff changeset	3355 }
a61af66fc99e Initial load duke parents: diff changeset	3356
a61af66fc99e Initial load duke parents: diff changeset	3357 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	3358 Method* method = method_refs->at(k);
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 if (!method->is_obsolete() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3361 method->name() == m_name &&
0 a61af66fc99e Initial load duke parents: diff changeset	3362 method->signature() == m_signature) {
a61af66fc99e Initial load duke parents: diff changeset	3363 // The current RedefineClasses() call has made all EMCP
a61af66fc99e Initial load duke parents: diff changeset	3364 // 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	3365 // and remove the reference.
0 a61af66fc99e Initial load duke parents: diff changeset	3366 RC_TRACE(0x00000400,
a61af66fc99e Initial load duke parents: diff changeset	3367 ("add: %s(%s): flush obsolete method @%d in version @%d",
a61af66fc99e Initial load duke parents: diff changeset	3368 m_name->as_C_string(), m_signature->as_C_string(), k, j));
a61af66fc99e Initial load duke parents: diff changeset	3369
a61af66fc99e Initial load duke parents: diff changeset	3370 method->set_is_obsolete();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3371 // 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	3372 // clean up later.
0 a61af66fc99e Initial load duke parents: diff changeset	3373 break;
a61af66fc99e Initial load duke parents: diff changeset	3374 }
a61af66fc99e Initial load duke parents: diff changeset	3375 }
a61af66fc99e Initial load duke parents: diff changeset	3376
a61af66fc99e Initial load duke parents: diff changeset	3377 // The previous loop may not find a matching EMCP method, but
a61af66fc99e Initial load duke parents: diff changeset	3378 // that doesn't mean that we can optimize and not go any
a61af66fc99e Initial load duke parents: diff changeset	3379 // 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	3380 // method for this generation could have already been deleted,
0 a61af66fc99e Initial load duke parents: diff changeset	3381 // 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	3382 // been deleted.
0 a61af66fc99e Initial load duke parents: diff changeset	3383 }
a61af66fc99e Initial load duke parents: diff changeset	3384
a61af66fc99e Initial load duke parents: diff changeset	3385 if (++local_count >= obsolete_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3386 // no more obsolete methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3387 break;
a61af66fc99e Initial load duke parents: diff changeset	3388 }
a61af66fc99e Initial load duke parents: diff changeset	3389 }
a61af66fc99e Initial load duke parents: diff changeset	3390 }
a61af66fc99e Initial load duke parents: diff changeset	3391 }
a61af66fc99e Initial load duke parents: diff changeset	3392 } // end add_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3393
a61af66fc99e Initial load duke parents: diff changeset	3394
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3395 // Determine if InstanceKlass has a previous version.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3396 bool InstanceKlass::has_previous_version() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3397 return (_previous_versions != NULL && _previous_versions->length() > 0);
0 a61af66fc99e Initial load duke parents: diff changeset	3398 } // end has_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3399
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3400
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3401 Method* InstanceKlass::method_with_idnum(int idnum) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3402 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3403 if (idnum < methods()->length()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3404 m = methods()->at(idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	3405 }
a61af66fc99e Initial load duke parents: diff changeset	3406 if (m == NULL \|\| m->method_idnum() != idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3407 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	3408 m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	3409 if (m->method_idnum() == idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3410 return m;
a61af66fc99e Initial load duke parents: diff changeset	3411 }
a61af66fc99e Initial load duke parents: diff changeset	3412 }
a61af66fc99e Initial load duke parents: diff changeset	3413 }
a61af66fc99e Initial load duke parents: diff changeset	3414 return m;
a61af66fc99e Initial load duke parents: diff changeset	3415 }
a61af66fc99e Initial load duke parents: diff changeset	3416
a61af66fc99e Initial load duke parents: diff changeset	3417
a61af66fc99e Initial load duke parents: diff changeset	3418 // 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	3419 // the InstanceKlass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3420 PreviousVersionNode::PreviousVersionNode(ConstantPool* prev_constant_pool,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3421 bool prev_cp_is_weak, GrowableArray<Method> prev_EMCP_methods) {
0 a61af66fc99e Initial load duke parents: diff changeset	3422
a61af66fc99e Initial load duke parents: diff changeset	3423 _prev_constant_pool = prev_constant_pool;
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	3424 _prev_cp_is_weak = prev_cp_is_weak;
0 a61af66fc99e Initial load duke parents: diff changeset	3425 _prev_EMCP_methods = prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3426 }
a61af66fc99e Initial load duke parents: diff changeset	3427
a61af66fc99e Initial load duke parents: diff changeset	3428
a61af66fc99e Initial load duke parents: diff changeset	3429 // Destroy a PreviousVersionNode
a61af66fc99e Initial load duke parents: diff changeset	3430 PreviousVersionNode::~PreviousVersionNode() {
a61af66fc99e Initial load duke parents: diff changeset	3431 if (_prev_constant_pool != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3432 _prev_constant_pool = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3433 }
a61af66fc99e Initial load duke parents: diff changeset	3434
a61af66fc99e Initial load duke parents: diff changeset	3435 if (_prev_EMCP_methods != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3436 delete _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3437 }
a61af66fc99e Initial load duke parents: diff changeset	3438 }
a61af66fc99e Initial load duke parents: diff changeset	3439
a61af66fc99e Initial load duke parents: diff changeset	3440
a61af66fc99e Initial load duke parents: diff changeset	3441 // Construct a PreviousVersionInfo entry
a61af66fc99e Initial load duke parents: diff changeset	3442 PreviousVersionInfo::PreviousVersionInfo(PreviousVersionNode *pv_node) {
a61af66fc99e Initial load duke parents: diff changeset	3443 _prev_constant_pool_handle = constantPoolHandle(); // NULL handle
a61af66fc99e Initial load duke parents: diff changeset	3444 _prev_EMCP_method_handles = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3445
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3446 ConstantPool* cp = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3447 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	3448 if (cp == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3449 return; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3450 }
a61af66fc99e Initial load duke parents: diff changeset	3451
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3452 // make the ConstantPool* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3453 _prev_constant_pool_handle = constantPoolHandle(cp);
a61af66fc99e Initial load duke parents: diff changeset	3454
6725 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) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3457 // the InstanceKlass did not have any EMCP methods
0 a61af66fc99e Initial load duke parents: diff changeset	3458 return;
a61af66fc99e Initial load duke parents: diff changeset	3459 }
a61af66fc99e Initial load duke parents: diff changeset	3460
a61af66fc99e Initial load duke parents: diff changeset	3461 _prev_EMCP_method_handles = new GrowableArray<methodHandle>(10);
a61af66fc99e Initial load duke parents: diff changeset	3462
a61af66fc99e Initial load duke parents: diff changeset	3463 int n_methods = method_refs->length();
a61af66fc99e Initial load duke parents: diff changeset	3464 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	3465 Method* method = method_refs->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3466 assert (method != NULL, "method has been cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3467 if (method == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3468 continue; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3469 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3470 // make the Method* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3471 _prev_EMCP_method_handles->append(methodHandle(method));
a61af66fc99e Initial load duke parents: diff changeset	3472 }
a61af66fc99e Initial load duke parents: diff changeset	3473 }
a61af66fc99e Initial load duke parents: diff changeset	3474
a61af66fc99e Initial load duke parents: diff changeset	3475
a61af66fc99e Initial load duke parents: diff changeset	3476 // Destroy a PreviousVersionInfo
a61af66fc99e Initial load duke parents: diff changeset	3477 PreviousVersionInfo::~PreviousVersionInfo() {
a61af66fc99e Initial load duke parents: diff changeset	3478 // Since _prev_EMCP_method_handles is not C-heap allocated, we
a61af66fc99e Initial load duke parents: diff changeset	3479 // don't have to delete it.
a61af66fc99e Initial load duke parents: diff changeset	3480 }
a61af66fc99e Initial load duke parents: diff changeset	3481
a61af66fc99e Initial load duke parents: diff changeset	3482
a61af66fc99e Initial load duke parents: diff changeset	3483 // 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	3484 PreviousVersionWalker::PreviousVersionWalker(InstanceKlass *ik) {
0 a61af66fc99e Initial load duke parents: diff changeset	3485 _previous_versions = ik->previous_versions();
a61af66fc99e Initial load duke parents: diff changeset	3486 _current_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	3487 // _hm needs no initialization
a61af66fc99e Initial load duke parents: diff changeset	3488 _current_p = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3489 }
a61af66fc99e Initial load duke parents: diff changeset	3490
a61af66fc99e Initial load duke parents: diff changeset	3491
a61af66fc99e Initial load duke parents: diff changeset	3492 // Destroy a PreviousVersionWalker
a61af66fc99e Initial load duke parents: diff changeset	3493 PreviousVersionWalker::~PreviousVersionWalker() {
a61af66fc99e Initial load duke parents: diff changeset	3494 // Delete the current info just in case the caller didn't walk to
a61af66fc99e Initial load duke parents: diff changeset	3495 // the end of the previous versions list. No harm if _current_p is
a61af66fc99e Initial load duke parents: diff changeset	3496 // already NULL.
a61af66fc99e Initial load duke parents: diff changeset	3497 delete _current_p;
a61af66fc99e Initial load duke parents: diff changeset	3498
a61af66fc99e Initial load duke parents: diff changeset	3499 // When _hm is destroyed, all the Handles returned in
a61af66fc99e Initial load duke parents: diff changeset	3500 // PreviousVersionInfo objects will be destroyed.
a61af66fc99e Initial load duke parents: diff changeset	3501 // Also, after this destructor is finished it will be
a61af66fc99e Initial load duke parents: diff changeset	3502 // safe to delete the GrowableArray allocated in the
a61af66fc99e Initial load duke parents: diff changeset	3503 // PreviousVersionInfo objects.
a61af66fc99e Initial load duke parents: diff changeset	3504 }
a61af66fc99e Initial load duke parents: diff changeset	3505
a61af66fc99e Initial load duke parents: diff changeset	3506
a61af66fc99e Initial load duke parents: diff changeset	3507 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	3508 // of the klass. Returns NULL if there are no more previous versions.
a61af66fc99e Initial load duke parents: diff changeset	3509 PreviousVersionInfo* PreviousVersionWalker::next_previous_version() {
a61af66fc99e Initial load duke parents: diff changeset	3510 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3511 // no previous versions so nothing to return
a61af66fc99e Initial load duke parents: diff changeset	3512 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3513 }
a61af66fc99e Initial load duke parents: diff changeset	3514
a61af66fc99e Initial load duke parents: diff changeset	3515 delete _current_p; // cleanup the previous info for the caller
a61af66fc99e Initial load duke parents: diff changeset	3516 _current_p = NULL; // reset to NULL so we don't delete same object twice
a61af66fc99e Initial load duke parents: diff changeset	3517
a61af66fc99e Initial load duke parents: diff changeset	3518 int length = _previous_versions->length();
a61af66fc99e Initial load duke parents: diff changeset	3519
a61af66fc99e Initial load duke parents: diff changeset	3520 while (_current_index < length) {
a61af66fc99e Initial load duke parents: diff changeset	3521 PreviousVersionNode * pv_node = _previous_versions->at(_current_index++);
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3522 PreviousVersionInfo * pv_info = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3523 PreviousVersionInfo(pv_node);
a61af66fc99e Initial load duke parents: diff changeset	3524
a61af66fc99e Initial load duke parents: diff changeset	3525 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	3526 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	3527
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3528 // The caller will need to delete pv_info when they are done with it.
0 a61af66fc99e Initial load duke parents: diff changeset	3529 _current_p = pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3530 return pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3531 }
a61af66fc99e Initial load duke parents: diff changeset	3532
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3533 // all of the underlying nodes' info has been deleted
0 a61af66fc99e Initial load duke parents: diff changeset	3534 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3535 } // end next_previous_version()

Mercurial > hg > graal-compiler

annotate src/share/vm/oops/instanceKlass.cpp @ 6934:4735d2c84362