truffle: src/share/vm/oops/oop.inline.hpp annotate

annotate src/share/vm/oops/oop.inline.hpp @ 20470:bc4ce33c0985

8049529: LogCompilation: annotate make_not_compilable with compilation level Reviewed-by: roland, iveresov

author	vlivanov
date	Mon, 14 Jul 2014 03:27:21 -0700
parents	76b588255908
children	7848fc12602b

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 14443 diff changeset	2 * Copyright (c) 1997, 2014, 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: 845 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 845 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: 845 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: 1846 diff changeset	25 #ifndef SHARE_VM_OOPS_OOP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	26 #define SHARE_VM_OOPS_OOP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	28 #include "gc_implementation/shared/ageTable.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	29 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	30 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	31 #include "memory/barrierSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	32 #include "memory/cardTableModRefBS.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	33 #include "memory/genCollectedHeap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	34 #include "memory/generation.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	35 #include "memory/specialized_oop_closures.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	36 #include "oops/arrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	37 #include "oops/arrayOop.hpp"
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	38 #include "oops/klass.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	39 #include "oops/markOop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	40 #include "oops/oop.hpp"
20197 ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	41 #include "runtime/atomic.inline.hpp"
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	42 #include "runtime/orderAccess.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	43 #include "runtime/os.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6848 diff changeset	44 #include "utilities/macros.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	45 #ifdef TARGET_ARCH_x86
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	46 # include "bytes_x86.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	47 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	48 #ifdef TARGET_ARCH_sparc
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	49 # include "bytes_sparc.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	50 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	51 #ifdef TARGET_ARCH_zero
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	52 # include "bytes_zero.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	53 #endif
2192 b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	54 #ifdef TARGET_ARCH_arm
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	55 # include "bytes_arm.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	56 #endif
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	57 #ifdef TARGET_ARCH_ppc
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	58 # include "bytes_ppc.hpp"
b92c45f2bc75 7016023: Enable building ARM and PPC from src/closed repository bobv parents: 2177 diff changeset	59 #endif
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	60
0 a61af66fc99e Initial load duke parents: diff changeset	61 // Implementation of all inlined member functions defined in oop.hpp
a61af66fc99e Initial load duke parents: diff changeset	62 // We need a separate file to avoid circular references
a61af66fc99e Initial load duke parents: diff changeset	63
a61af66fc99e Initial load duke parents: diff changeset	64 inline void oopDesc::release_set_mark(markOop m) {
a61af66fc99e Initial load duke parents: diff changeset	65 OrderAccess::release_store_ptr(&_mark, m);
a61af66fc99e Initial load duke parents: diff changeset	66 }
a61af66fc99e Initial load duke parents: diff changeset	67
a61af66fc99e Initial load duke parents: diff changeset	68 inline markOop oopDesc::cas_set_mark(markOop new_mark, markOop old_mark) {
a61af66fc99e Initial load duke parents: diff changeset	69 return (markOop) Atomic::cmpxchg_ptr(new_mark, &_mark, old_mark);
a61af66fc99e Initial load duke parents: diff changeset	70 }
a61af66fc99e Initial load duke parents: diff changeset	71
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	72 inline Klass* oopDesc::klass() const {
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	73 if (UseCompressedClassPointers) {
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	74 return Klass::decode_klass_not_null(_metadata._compressed_klass);
167 feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	75 } else {
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	76 return _metadata._klass;
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	77 }
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	78 }
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	79
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	80 inline Klass* oopDesc::klass_or_null() const volatile {
167 feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	81 // can be NULL in CMS
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	82 if (UseCompressedClassPointers) {
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	83 return Klass::decode_klass(_metadata._compressed_klass);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	84 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	85 return _metadata._klass;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	86 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	87 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	88
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	89 inline int oopDesc::klass_gap_offset_in_bytes() {
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	90 assert(UseCompressedClassPointers, "only applicable to compressed klass pointers");
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	91 return oopDesc::klass_offset_in_bytes() + sizeof(narrowKlass);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	92 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	93
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	94 inline Klass** oopDesc::klass_addr() {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	95 // Only used internally and with CMS and will not work with
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	96 // UseCompressedOops
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	97 assert(!UseCompressedClassPointers, "only supported with uncompressed klass pointers");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	98 return (Klass**) &_metadata._klass;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	99 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	100
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	101 inline narrowKlass* oopDesc::compressed_klass_addr() {
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	102 assert(UseCompressedClassPointers, "only called by compressed klass pointers");
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	103 return &_metadata._compressed_klass;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	104 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	105
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	106 inline void oopDesc::set_klass(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	107 // since klasses are promoted no store check is needed
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	108 assert(Universe::is_bootstrapping() \|\| k != NULL, "must be a real Klass*");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	109 assert(Universe::is_bootstrapping() \|\| k->is_klass(), "not a Klass*");
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	110 if (UseCompressedClassPointers) {
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	111 *compressed_klass_addr() = Klass::encode_klass_not_null(k);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	112 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	113 *klass_addr() = k;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	114 }
0 a61af66fc99e Initial load duke parents: diff changeset	115 }
a61af66fc99e Initial load duke parents: diff changeset	116
167 feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	117 inline int oopDesc::klass_gap() const {
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	118 return (int)(((intptr_t)this) + klass_gap_offset_in_bytes());
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	119 }
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	120
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	121 inline void oopDesc::set_klass_gap(int v) {
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	122 if (UseCompressedClassPointers) {
167 feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	123 (int)(((intptr_t)this) + klass_gap_offset_in_bytes()) = v;
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	124 }
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	125 }
feeb96a45707 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC coleenp parents: 135 diff changeset	126
0 a61af66fc99e Initial load duke parents: diff changeset	127 inline void oopDesc::set_klass_to_list_ptr(oop k) {
a61af66fc99e Initial load duke parents: diff changeset	128 // This is only to be used during GC, for from-space objects, so no
a61af66fc99e Initial load duke parents: diff changeset	129 // barrier is needed.
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	130 if (UseCompressedClassPointers) {
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	131 _metadata._compressed_klass = (narrowKlass)encode_heap_oop(k); // may be null (parnew overflow handling)
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	132 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	133 _metadata._klass = (Klass*)(address)k;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	134 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	135 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	136
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	137 inline oop oopDesc::list_ptr_from_klass() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	138 // This is only to be used during GC, for from-space objects.
12226 7944aba7ba41 8015107: NPG: Use consistent naming for metaspace concepts ehelin parents: 12056 diff changeset	139 if (UseCompressedClassPointers) {
12056 740e263c80c6 8003424: Enable Class Data Sharing for CompressedOops hseigel parents: 8003 diff changeset	140 return decode_heap_oop((narrowOop)_metadata._compressed_klass);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	141 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	142 // Special case for GC
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	143 return (oop)(address)_metadata._klass;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	144 }
0 a61af66fc99e Initial load duke parents: diff changeset	145 }
a61af66fc99e Initial load duke parents: diff changeset	146
a61af66fc99e Initial load duke parents: diff changeset	147 inline void oopDesc::init_mark() { set_mark(markOopDesc::prototype_for_object(this)); }
a61af66fc99e Initial load duke parents: diff changeset	148
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	149 inline bool oopDesc::is_a(Klass* k) const { return klass()->is_subtype_of(k); }
0 a61af66fc99e Initial load duke parents: diff changeset	150
20262 76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	151 inline bool oopDesc::is_instance() const { return klass()->oop_is_instance(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	152 inline bool oopDesc::is_instanceClassLoader() const { return klass()->oop_is_instanceClassLoader(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	153 inline bool oopDesc::is_instanceMirror() const { return klass()->oop_is_instanceMirror(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	154 inline bool oopDesc::is_instanceRef() const { return klass()->oop_is_instanceRef(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	155 inline bool oopDesc::is_array() const { return klass()->oop_is_array(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	156 inline bool oopDesc::is_objArray() const { return klass()->oop_is_objArray(); }
76b588255908 8035746: Add missing Klass::oop_is_instanceClassLoader() function stefank parents: 20197 diff changeset	157 inline bool oopDesc::is_typeArray() const { return klass()->oop_is_typeArray(); }
0 a61af66fc99e Initial load duke parents: diff changeset	158
a61af66fc99e Initial load duke parents: diff changeset	159 inline void* oopDesc::field_base(int offset) const { return (void)&((char)this)[offset]; }
a61af66fc99e Initial load duke parents: diff changeset	160
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	161 template <class T> inline T* oopDesc::obj_field_addr(int offset) const { return (T*)field_base(offset); }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	162 inline Metadata oopDesc::metadata_field_addr(int offset) const { return (Metadata)field_base(offset); }
0 a61af66fc99e Initial load duke parents: diff changeset	163 inline jbyte* oopDesc::byte_field_addr(int offset) const { return (jbyte*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	164 inline jchar* oopDesc::char_field_addr(int offset) const { return (jchar*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	165 inline jboolean* oopDesc::bool_field_addr(int offset) const { return (jboolean*)field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	166 inline jint* oopDesc::int_field_addr(int offset) const { return (jint*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	167 inline jshort* oopDesc::short_field_addr(int offset) const { return (jshort*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	168 inline jlong* oopDesc::long_field_addr(int offset) const { return (jlong*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	169 inline jfloat* oopDesc::float_field_addr(int offset) const { return (jfloat*) field_base(offset); }
a61af66fc99e Initial load duke parents: diff changeset	170 inline jdouble* oopDesc::double_field_addr(int offset) const { return (jdouble*) field_base(offset); }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	171 inline address* oopDesc::address_field_addr(int offset) const { return (address*) field_base(offset); }
0 a61af66fc99e Initial load duke parents: diff changeset	172
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	173
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	174 // Functions for getting and setting oops within instance objects.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	175 // If the oops are compressed, the type passed to these overloaded functions
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	176 // is narrowOop. All functions are overloaded so they can be called by
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	177 // template functions without conditionals (the compiler instantiates via
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	178 // the right type and inlines the appopriate code).
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	179
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	180 inline bool oopDesc::is_null(oop obj) { return obj == NULL; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	181 inline bool oopDesc::is_null(narrowOop obj) { return obj == 0; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	182
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	183 // Algorithm for encoding and decoding oops from 64 bit pointers to 32 bit
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	184 // offset from the heap base. Saving the check for null can save instructions
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	185 // in inner GC loops so these are separated.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	186
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	187 inline bool check_obj_alignment(oop obj) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12226 diff changeset	188 return cast_from_oop<intptr_t>(obj) % MinObjAlignmentInBytes == 0;
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	189 }
2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	190
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	191 inline narrowOop oopDesc::encode_heap_oop_not_null(oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	192 assert(!is_null(v), "oop value can never be zero");
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	193 assert(check_obj_alignment(v), "Address not aligned");
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 710 diff changeset	194 assert(Universe::heap()->is_in_reserved(v), "Address not in heap");
642 660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	195 address base = Universe::narrow_oop_base();
660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	196 int shift = Universe::narrow_oop_shift();
660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	197 uint64_t pd = (uint64_t)(pointer_delta((void)v, (void)base, 1));
135 b7268662a986 6689523: max heap calculation for compressed oops is off by MaxPermSize coleenp parents: 133 diff changeset	198 assert(OopEncodingHeapMax > pd, "change encoding max if new encoding");
642 660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	199 uint64_t result = pd >> shift;
135 b7268662a986 6689523: max heap calculation for compressed oops is off by MaxPermSize coleenp parents: 133 diff changeset	200 assert((result & CONST64(0xffffffff00000000)) == 0, "narrow oop overflow");
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 710 diff changeset	201 assert(decode_heap_oop(result) == v, "reversibility");
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	202 return (narrowOop)result;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	203 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	204
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	205 inline narrowOop oopDesc::encode_heap_oop(oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	206 return (is_null(v)) ? (narrowOop)0 : encode_heap_oop_not_null(v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	207 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	208
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	209 inline oop oopDesc::decode_heap_oop_not_null(narrowOop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	210 assert(!is_null(v), "narrow oop value can never be zero");
642 660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	211 address base = Universe::narrow_oop_base();
660978a2a31a 6791178: Specialize for zero as the compressed oop vm heap base kvn parents: 518 diff changeset	212 int shift = Universe::narrow_oop_shift();
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	213 oop result = (oop)(void*)((uintptr_t)base + ((uintptr_t)v << shift));
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 14443 diff changeset	214 assert(check_obj_alignment(result), err_msg("address not aligned: " INTPTR_FORMAT, p2i((void*) result)));
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	215 return result;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	216 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	217
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	218 inline oop oopDesc::decode_heap_oop(narrowOop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	219 return is_null(v) ? (oop)NULL : decode_heap_oop_not_null(v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	220 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	221
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	222 inline oop oopDesc::decode_heap_oop_not_null(oop v) { return v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	223 inline oop oopDesc::decode_heap_oop(oop v) { return v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	224
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	225 // Load an oop out of the Java heap as is without decoding.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	226 // Called by GC to check for null before decoding.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	227 inline oop oopDesc::load_heap_oop(oop* p) { return *p; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	228 inline narrowOop oopDesc::load_heap_oop(narrowOop* p) { return *p; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	229
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	230 // Load and decode an oop out of the Java heap into a wide oop.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	231 inline oop oopDesc::load_decode_heap_oop_not_null(oop* p) { return *p; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	232 inline oop oopDesc::load_decode_heap_oop_not_null(narrowOop* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	233 return decode_heap_oop_not_null(*p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	234 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	235
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	236 // Load and decode an oop out of the heap accepting null
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	237 inline oop oopDesc::load_decode_heap_oop(oop* p) { return *p; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	238 inline oop oopDesc::load_decode_heap_oop(narrowOop* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	239 return decode_heap_oop(*p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	240 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	241
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	242 // Store already encoded heap oop into the heap.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	243 inline void oopDesc::store_heap_oop(oop* p, oop v) { *p = v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	244 inline void oopDesc::store_heap_oop(narrowOop* p, narrowOop v) { *p = v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	245
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	246 // Encode and store a heap oop.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	247 inline void oopDesc::encode_store_heap_oop_not_null(narrowOop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	248 *p = encode_heap_oop_not_null(v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	249 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	250 inline void oopDesc::encode_store_heap_oop_not_null(oop* p, oop v) { *p = v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	251
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	252 // Encode and store a heap oop allowing for null.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	253 inline void oopDesc::encode_store_heap_oop(narrowOop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	254 *p = encode_heap_oop(v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	255 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	256 inline void oopDesc::encode_store_heap_oop(oop* p, oop v) { *p = v; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	257
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	258 // Store heap oop as is for volatile fields.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	259 inline void oopDesc::release_store_heap_oop(volatile oop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	260 OrderAccess::release_store_ptr(p, v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	261 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	262 inline void oopDesc::release_store_heap_oop(volatile narrowOop* p,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	263 narrowOop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	264 OrderAccess::release_store(p, v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	265 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	266
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	267 inline void oopDesc::release_encode_store_heap_oop_not_null(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	268 volatile narrowOop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	269 // heap oop is not pointer sized.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	270 OrderAccess::release_store(p, encode_heap_oop_not_null(v));
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	271 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	272
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	273 inline void oopDesc::release_encode_store_heap_oop_not_null(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	274 volatile oop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	275 OrderAccess::release_store_ptr(p, v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	276 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	277
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	278 inline void oopDesc::release_encode_store_heap_oop(volatile oop* p,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	279 oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	280 OrderAccess::release_store_ptr(p, v);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	281 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	282 inline void oopDesc::release_encode_store_heap_oop(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	283 volatile narrowOop* p, oop v) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	284 OrderAccess::release_store(p, encode_heap_oop(v));
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	285 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	286
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	287
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	288 // These functions are only used to exchange oop fields in instances,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	289 // not headers.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	290 inline oop oopDesc::atomic_exchange_oop(oop exchange_value, volatile HeapWord *dest) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	291 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	292 // encode exchange value from oop to T
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	293 narrowOop val = encode_heap_oop(exchange_value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	294 narrowOop old = (narrowOop)Atomic::xchg(val, (narrowOop*)dest);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	295 // decode old from T to oop
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	296 return decode_heap_oop(old);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	297 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	298 return (oop)Atomic::xchg_ptr(exchange_value, (oop*)dest);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	299 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	300 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	301
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	302 // In order to put or get a field out of an instance, must first check
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	303 // if the field has been compressed and uncompress it.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	304 inline oop oopDesc::obj_field(int offset) const {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	305 return UseCompressedOops ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	306 load_decode_heap_oop(obj_field_addr<narrowOop>(offset)) :
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	307 load_decode_heap_oop(obj_field_addr<oop>(offset));
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	308 }
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	309 inline volatile oop oopDesc::obj_field_volatile(int offset) const {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	310 volatile oop value = obj_field(offset);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	311 OrderAccess::acquire();
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	312 return value;
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	313 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	314 inline void oopDesc::obj_field_put(int offset, oop value) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	315 UseCompressedOops ? oop_store(obj_field_addr<narrowOop>(offset), value) :
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	316 oop_store(obj_field_addr<oop>(offset), value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	317 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	318
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	319 inline Metadata* oopDesc::metadata_field(int offset) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	320 return *metadata_field_addr(offset);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	321 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	322
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	323 inline void oopDesc::metadata_field_put(int offset, Metadata* value) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	324 *metadata_field_addr(offset) = value;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	325 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	326
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	327 inline void oopDesc::obj_field_put_raw(int offset, oop value) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	328 UseCompressedOops ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	329 encode_store_heap_oop(obj_field_addr<narrowOop>(offset), value) :
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	330 encode_store_heap_oop(obj_field_addr<oop>(offset), value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	331 }
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	332 inline void oopDesc::obj_field_put_volatile(int offset, oop value) {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	333 OrderAccess::release();
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	334 obj_field_put(offset, value);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	335 OrderAccess::fence();
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 2376 diff changeset	336 }
0 a61af66fc99e Initial load duke parents: diff changeset	337
a61af66fc99e Initial load duke parents: diff changeset	338 inline jbyte oopDesc::byte_field(int offset) const { return (jbyte) *byte_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	339 inline void oopDesc::byte_field_put(int offset, jbyte contents) { *byte_field_addr(offset) = (jint) contents; }
a61af66fc99e Initial load duke parents: diff changeset	340
a61af66fc99e Initial load duke parents: diff changeset	341 inline jboolean oopDesc::bool_field(int offset) const { return (jboolean) *bool_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	342 inline void oopDesc::bool_field_put(int offset, jboolean contents) { *bool_field_addr(offset) = (jint) contents; }
a61af66fc99e Initial load duke parents: diff changeset	343
a61af66fc99e Initial load duke parents: diff changeset	344 inline jchar oopDesc::char_field(int offset) const { return (jchar) *char_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	345 inline void oopDesc::char_field_put(int offset, jchar contents) { *char_field_addr(offset) = (jint) contents; }
a61af66fc99e Initial load duke parents: diff changeset	346
a61af66fc99e Initial load duke parents: diff changeset	347 inline jint oopDesc::int_field(int offset) const { return *int_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	348 inline void oopDesc::int_field_put(int offset, jint contents) { *int_field_addr(offset) = contents; }
a61af66fc99e Initial load duke parents: diff changeset	349
a61af66fc99e Initial load duke parents: diff changeset	350 inline jshort oopDesc::short_field(int offset) const { return (jshort) *short_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	351 inline void oopDesc::short_field_put(int offset, jshort contents) { *short_field_addr(offset) = (jint) contents;}
a61af66fc99e Initial load duke parents: diff changeset	352
a61af66fc99e Initial load duke parents: diff changeset	353 inline jlong oopDesc::long_field(int offset) const { return *long_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	354 inline void oopDesc::long_field_put(int offset, jlong contents) { *long_field_addr(offset) = contents; }
a61af66fc99e Initial load duke parents: diff changeset	355
a61af66fc99e Initial load duke parents: diff changeset	356 inline jfloat oopDesc::float_field(int offset) const { return *float_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	357 inline void oopDesc::float_field_put(int offset, jfloat contents) { *float_field_addr(offset) = contents; }
a61af66fc99e Initial load duke parents: diff changeset	358
a61af66fc99e Initial load duke parents: diff changeset	359 inline jdouble oopDesc::double_field(int offset) const { return *double_field_addr(offset); }
a61af66fc99e Initial load duke parents: diff changeset	360 inline void oopDesc::double_field_put(int offset, jdouble contents) { *double_field_addr(offset) = contents; }
a61af66fc99e Initial load duke parents: diff changeset	361
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	362 inline address oopDesc::address_field(int offset) const { return *address_field_addr(offset); }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	363 inline void oopDesc::address_field_put(int offset, address contents) { *address_field_addr(offset) = contents; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	364
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	365 inline oop oopDesc::obj_field_acquire(int offset) const {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	366 return UseCompressedOops ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	367 decode_heap_oop((narrowOop)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	368 OrderAccess::load_acquire(obj_field_addr<narrowOop>(offset)))
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	369 : decode_heap_oop((oop)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	370 OrderAccess::load_ptr_acquire(obj_field_addr<oop>(offset)));
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	371 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	372 inline void oopDesc::release_obj_field_put(int offset, oop value) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	373 UseCompressedOops ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	374 oop_store((volatile narrowOop*)obj_field_addr<narrowOop>(offset), value) :
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	375 oop_store((volatile oop*) obj_field_addr<oop>(offset), value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	376 }
0 a61af66fc99e Initial load duke parents: diff changeset	377
a61af66fc99e Initial load duke parents: diff changeset	378 inline jbyte oopDesc::byte_field_acquire(int offset) const { return OrderAccess::load_acquire(byte_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	379 inline void oopDesc::release_byte_field_put(int offset, jbyte contents) { OrderAccess::release_store(byte_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	380
a61af66fc99e Initial load duke parents: diff changeset	381 inline jboolean oopDesc::bool_field_acquire(int offset) const { return OrderAccess::load_acquire(bool_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	382 inline void oopDesc::release_bool_field_put(int offset, jboolean contents) { OrderAccess::release_store(bool_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	383
a61af66fc99e Initial load duke parents: diff changeset	384 inline jchar oopDesc::char_field_acquire(int offset) const { return OrderAccess::load_acquire(char_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	385 inline void oopDesc::release_char_field_put(int offset, jchar contents) { OrderAccess::release_store(char_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	386
a61af66fc99e Initial load duke parents: diff changeset	387 inline jint oopDesc::int_field_acquire(int offset) const { return OrderAccess::load_acquire(int_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	388 inline void oopDesc::release_int_field_put(int offset, jint contents) { OrderAccess::release_store(int_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	389
a61af66fc99e Initial load duke parents: diff changeset	390 inline jshort oopDesc::short_field_acquire(int offset) const { return (jshort)OrderAccess::load_acquire(short_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	391 inline void oopDesc::release_short_field_put(int offset, jshort contents) { OrderAccess::release_store(short_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	392
a61af66fc99e Initial load duke parents: diff changeset	393 inline jlong oopDesc::long_field_acquire(int offset) const { return OrderAccess::load_acquire(long_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	394 inline void oopDesc::release_long_field_put(int offset, jlong contents) { OrderAccess::release_store(long_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	395
a61af66fc99e Initial load duke parents: diff changeset	396 inline jfloat oopDesc::float_field_acquire(int offset) const { return OrderAccess::load_acquire(float_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	397 inline void oopDesc::release_float_field_put(int offset, jfloat contents) { OrderAccess::release_store(float_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	398
a61af66fc99e Initial load duke parents: diff changeset	399 inline jdouble oopDesc::double_field_acquire(int offset) const { return OrderAccess::load_acquire(double_field_addr(offset)); }
a61af66fc99e Initial load duke parents: diff changeset	400 inline void oopDesc::release_double_field_put(int offset, jdouble contents) { OrderAccess::release_store(double_field_addr(offset), contents); }
a61af66fc99e Initial load duke parents: diff changeset	401
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 647 diff changeset	402 inline address oopDesc::address_field_acquire(int offset) const { return (address) OrderAccess::load_ptr_acquire(address_field_addr(offset)); }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 647 diff changeset	403 inline void oopDesc::release_address_field_put(int offset, address contents) { OrderAccess::release_store_ptr(address_field_addr(offset), contents); }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 647 diff changeset	404
0 a61af66fc99e Initial load duke parents: diff changeset	405 inline int oopDesc::size_given_klass(Klass* klass) {
a61af66fc99e Initial load duke parents: diff changeset	406 int lh = klass->layout_helper();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	407 int s;
0 a61af66fc99e Initial load duke parents: diff changeset	408
a61af66fc99e Initial load duke parents: diff changeset	409 // lh is now a value computed at class initialization that may hint
a61af66fc99e Initial load duke parents: diff changeset	410 // at the size. For instances, this is positive and equal to the
a61af66fc99e Initial load duke parents: diff changeset	411 // size. For arrays, this is negative and provides log2 of the
a61af66fc99e Initial load duke parents: diff changeset	412 // array element size. For other oops, it is zero and thus requires
a61af66fc99e Initial load duke parents: diff changeset	413 // a virtual call.
a61af66fc99e Initial load duke parents: diff changeset	414 //
a61af66fc99e Initial load duke parents: diff changeset	415 // We go to all this trouble because the size computation is at the
a61af66fc99e Initial load duke parents: diff changeset	416 // heart of phase 2 of mark-compaction, and called for every object,
a61af66fc99e Initial load duke parents: diff changeset	417 // alive or dead. So the speed here is equal in importance to the
a61af66fc99e Initial load duke parents: diff changeset	418 // speed of allocation.
a61af66fc99e Initial load duke parents: diff changeset	419
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	420 if (lh > Klass::_lh_neutral_value) {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	421 if (!Klass::layout_helper_needs_slow_path(lh)) {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	422 s = lh >> LogHeapWordSize; // deliver size scaled by wordSize
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	423 } else {
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	424 s = klass->oop_size(this);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	425 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2192 diff changeset	426 } else if (lh <= Klass::_lh_neutral_value) {
0 a61af66fc99e Initial load duke parents: diff changeset	427 // The most common case is instances; fall through if so.
a61af66fc99e Initial load duke parents: diff changeset	428 if (lh < Klass::_lh_neutral_value) {
a61af66fc99e Initial load duke parents: diff changeset	429 // Second most common case is arrays. We have to fetch the
a61af66fc99e Initial load duke parents: diff changeset	430 // length of the array, shift (multiply) it appropriately,
a61af66fc99e Initial load duke parents: diff changeset	431 // up to wordSize, add the header, and align to object size.
a61af66fc99e Initial load duke parents: diff changeset	432 size_t size_in_bytes;
a61af66fc99e Initial load duke parents: diff changeset	433 #ifdef _M_IA64
a61af66fc99e Initial load duke parents: diff changeset	434 // The Windows Itanium Aug 2002 SDK hoists this load above
a61af66fc99e Initial load duke parents: diff changeset	435 // the check for s < 0. An oop at the end of the heap will
a61af66fc99e Initial load duke parents: diff changeset	436 // cause an access violation if this load is performed on a non
a61af66fc99e Initial load duke parents: diff changeset	437 // array oop. Making the reference volatile prohibits this.
a61af66fc99e Initial load duke parents: diff changeset	438 // (%%% please explain by what magic the length is actually fetched!)
a61af66fc99e Initial load duke parents: diff changeset	439 volatile int *array_length;
a61af66fc99e Initial load duke parents: diff changeset	440 array_length = (volatile int *)( (intptr_t)this +
a61af66fc99e Initial load duke parents: diff changeset	441 arrayOopDesc::length_offset_in_bytes() );
a61af66fc99e Initial load duke parents: diff changeset	442 assert(array_length > 0, "Integer arithmetic problem somewhere");
a61af66fc99e Initial load duke parents: diff changeset	443 // Put into size_t to avoid overflow.
a61af66fc99e Initial load duke parents: diff changeset	444 size_in_bytes = (size_t) array_length;
a61af66fc99e Initial load duke parents: diff changeset	445 size_in_bytes = size_in_bytes << Klass::layout_helper_log2_element_size(lh);
a61af66fc99e Initial load duke parents: diff changeset	446 #else
a61af66fc99e Initial load duke parents: diff changeset	447 size_t array_length = (size_t) ((arrayOop)this)->length();
a61af66fc99e Initial load duke parents: diff changeset	448 size_in_bytes = array_length << Klass::layout_helper_log2_element_size(lh);
a61af66fc99e Initial load duke parents: diff changeset	449 #endif
a61af66fc99e Initial load duke parents: diff changeset	450 size_in_bytes += Klass::layout_helper_header_size(lh);
a61af66fc99e Initial load duke parents: diff changeset	451
a61af66fc99e Initial load duke parents: diff changeset	452 // This code could be simplified, but by keeping array_header_in_bytes
a61af66fc99e Initial load duke parents: diff changeset	453 // in units of bytes and doing it this way we can round up just once,
a61af66fc99e Initial load duke parents: diff changeset	454 // skipping the intermediate round to HeapWordSize. Cast the result
a61af66fc99e Initial load duke parents: diff changeset	455 // of round_to to size_t to guarantee unsigned division == right shift.
a61af66fc99e Initial load duke parents: diff changeset	456 s = (int)((size_t)round_to(size_in_bytes, MinObjAlignmentInBytes) /
a61af66fc99e Initial load duke parents: diff changeset	457 HeapWordSize);
a61af66fc99e Initial load duke parents: diff changeset	458
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	459 // UseParNewGC, UseParallelGC and UseG1GC can change the length field
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	460 // of an "old copy" of an object array in the young gen so it indicates
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	461 // the grey portion of an already copied array. This will cause the first
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	462 // disjunct below to fail if the two comparands are computed across such
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	463 // a concurrent change.
0 a61af66fc99e Initial load duke parents: diff changeset	464 // UseParNewGC also runs with promotion labs (which look like int
a61af66fc99e Initial load duke parents: diff changeset	465 // filler arrays) which are subject to changing their declared size
a61af66fc99e Initial load duke parents: diff changeset	466 // when finally retiring a PLAB; this also can cause the first disjunct
a61af66fc99e Initial load duke parents: diff changeset	467 // to fail for another worker thread that is concurrently walking the block
a61af66fc99e Initial load duke parents: diff changeset	468 // offset table. Both these invariant failures are benign for their
a61af66fc99e Initial load duke parents: diff changeset	469 // current uses; we relax the assertion checking to cover these two cases below:
a61af66fc99e Initial load duke parents: diff changeset	470 // is_objArray() && is_forwarded() // covers first scenario above
a61af66fc99e Initial load duke parents: diff changeset	471 // \|\| is_typeArray() // covers second scenario above
a61af66fc99e Initial load duke parents: diff changeset	472 // If and when UseParallelGC uses the same obj array oop stealing/chunking
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	473 // technique, we will need to suitably modify the assertion.
0 a61af66fc99e Initial load duke parents: diff changeset	474 assert((s == klass->oop_size(this)) \|\|
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	475 (Universe::heap()->is_gc_active() &&
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	476 ((is_typeArray() && UseParNewGC) \|\|
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	477 (is_objArray() && is_forwarded() && (UseParNewGC \|\| UseParallelGC \|\| UseG1GC)))),
0 a61af66fc99e Initial load duke parents: diff changeset	478 "wrong array object size");
a61af66fc99e Initial load duke parents: diff changeset	479 } else {
a61af66fc99e Initial load duke parents: diff changeset	480 // Must be zero, so bite the bullet and take the virtual call.
a61af66fc99e Initial load duke parents: diff changeset	481 s = klass->oop_size(this);
a61af66fc99e Initial load duke parents: diff changeset	482 }
a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484
a61af66fc99e Initial load duke parents: diff changeset	485 assert(s % MinObjAlignment == 0, "alignment check");
a61af66fc99e Initial load duke parents: diff changeset	486 assert(s > 0, "Bad size calculated");
a61af66fc99e Initial load duke parents: diff changeset	487 return s;
a61af66fc99e Initial load duke parents: diff changeset	488 }
a61af66fc99e Initial load duke parents: diff changeset	489
a61af66fc99e Initial load duke parents: diff changeset	490
a61af66fc99e Initial load duke parents: diff changeset	491 inline int oopDesc::size() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	492 return size_given_klass(klass());
518 0af8b0718fc9 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark" jmasa parents: 454 diff changeset	493 }
0af8b0718fc9 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark" jmasa parents: 454 diff changeset	494
14443 3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	495 inline void update_barrier_set(void* p, oop v, bool release = false) {
0 a61af66fc99e Initial load duke parents: diff changeset	496 assert(oopDesc::bs() != NULL, "Uninitialized bs in oop!");
14443 3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	497 oopDesc::bs()->write_ref_field(p, v, release);
0 a61af66fc99e Initial load duke parents: diff changeset	498 }
a61af66fc99e Initial load duke parents: diff changeset	499
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 710 diff changeset	500 template <class T> inline void update_barrier_set_pre(T* p, oop v) {
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	501 oopDesc::bs()->write_ref_field_pre(p, v);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	502 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	503
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	504 template <class T> inline void oop_store(T* p, oop v) {
0 a61af66fc99e Initial load duke parents: diff changeset	505 if (always_do_update_barrier) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	506 oop_store((volatile T*)p, v);
0 a61af66fc99e Initial load duke parents: diff changeset	507 } else {
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	508 update_barrier_set_pre(p, v);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	509 oopDesc::encode_store_heap_oop(p, v);
14443 3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	510 // always_do_update_barrier == false =>
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	511 // Either we are at a safepoint (in GC) or CMS is not used. In both
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	512 // cases it's unnecessary to mark the card as dirty with release sematics.
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	513 update_barrier_set((void)p, v, false / release */); // cast away type
0 a61af66fc99e Initial load duke parents: diff changeset	514 }
a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	517 template <class T> inline void oop_store(volatile T* p, oop v) {
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 710 diff changeset	518 update_barrier_set_pre((T*)p, v); // cast away volatile
0 a61af66fc99e Initial load duke parents: diff changeset	519 // Used by release_obj_field_put, so use release_store_ptr.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	520 oopDesc::release_encode_store_heap_oop(p, v);
14443 3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	521 // When using CMS we must mark the card corresponding to p as dirty
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	522 // with release sematics to prevent that CMS sees the dirty card but
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	523 // not the new value v at p due to reordering of the two
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	524 // stores. Note that CMS has a concurrent precleaning phase, where
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	525 // it reads the card table while the Java threads are running.
3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 12316 diff changeset	526 update_barrier_set((void)p, v, true / release */); // cast away type
0 a61af66fc99e Initial load duke parents: diff changeset	527 }
a61af66fc99e Initial load duke parents: diff changeset	528
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	529 // Should replace *addr = oop assignments where addr type depends on UseCompressedOops
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	530 // (without having to remember the function name this calls).
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	531 inline void oop_store_raw(HeapWord* addr, oop value) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	532 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	533 oopDesc::encode_store_heap_oop((narrowOop*)addr, value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	534 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	535 oopDesc::encode_store_heap_oop((oop*)addr, value);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	536 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	537 }
0 a61af66fc99e Initial load duke parents: diff changeset	538
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	539 inline oop oopDesc::atomic_compare_exchange_oop(oop exchange_value,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	540 volatile HeapWord *dest,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	541 oop compare_value,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	542 bool prebarrier) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	543 if (UseCompressedOops) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	544 if (prebarrier) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	545 update_barrier_set_pre((narrowOop*)dest, exchange_value);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	546 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	547 // encode exchange and compare value from oop to T
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	548 narrowOop val = encode_heap_oop(exchange_value);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	549 narrowOop cmp = encode_heap_oop(compare_value);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	550
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	551 narrowOop old = (narrowOop) Atomic::cmpxchg(val, (narrowOop*)dest, cmp);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	552 // decode old from T to oop
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	553 return decode_heap_oop(old);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	554 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	555 if (prebarrier) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	556 update_barrier_set_pre((oop*)dest, exchange_value);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	557 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	558 return (oop)Atomic::cmpxchg_ptr(exchange_value, (oop*)dest, compare_value);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	559 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	560 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	561
0 a61af66fc99e Initial load duke parents: diff changeset	562 // Used only for markSweep, scavenging
a61af66fc99e Initial load duke parents: diff changeset	563 inline bool oopDesc::is_gc_marked() const {
a61af66fc99e Initial load duke parents: diff changeset	564 return mark()->is_marked();
a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566
a61af66fc99e Initial load duke parents: diff changeset	567 inline bool oopDesc::is_locked() const {
a61af66fc99e Initial load duke parents: diff changeset	568 return mark()->is_locked();
a61af66fc99e Initial load duke parents: diff changeset	569 }
a61af66fc99e Initial load duke parents: diff changeset	570
a61af66fc99e Initial load duke parents: diff changeset	571 inline bool oopDesc::is_unlocked() const {
a61af66fc99e Initial load duke parents: diff changeset	572 return mark()->is_unlocked();
a61af66fc99e Initial load duke parents: diff changeset	573 }
a61af66fc99e Initial load duke parents: diff changeset	574
a61af66fc99e Initial load duke parents: diff changeset	575 inline bool oopDesc::has_bias_pattern() const {
a61af66fc99e Initial load duke parents: diff changeset	576 return mark()->has_bias_pattern();
a61af66fc99e Initial load duke parents: diff changeset	577 }
a61af66fc99e Initial load duke parents: diff changeset	578
a61af66fc99e Initial load duke parents: diff changeset	579
a61af66fc99e Initial load duke parents: diff changeset	580 // used only for asserts
a61af66fc99e Initial load duke parents: diff changeset	581 inline bool oopDesc::is_oop(bool ignore_mark_word) const {
a61af66fc99e Initial load duke parents: diff changeset	582 oop obj = (oop) this;
a61af66fc99e Initial load duke parents: diff changeset	583 if (!check_obj_alignment(obj)) return false;
a61af66fc99e Initial load duke parents: diff changeset	584 if (!Universe::heap()->is_in_reserved(obj)) return false;
a61af66fc99e Initial load duke parents: diff changeset	585 // obj is aligned and accessible in heap
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	586 if (Universe::heap()->is_in_reserved(obj->klass_or_null())) return false;
0 a61af66fc99e Initial load duke parents: diff changeset	587
a61af66fc99e Initial load duke parents: diff changeset	588 // Header verification: the mark is typically non-NULL. If we're
a61af66fc99e Initial load duke parents: diff changeset	589 // at a safepoint, it must not be null.
a61af66fc99e Initial load duke parents: diff changeset	590 // Outside of a safepoint, the header could be changing (for example,
a61af66fc99e Initial load duke parents: diff changeset	591 // another thread could be inflating a lock on this object).
a61af66fc99e Initial load duke parents: diff changeset	592 if (ignore_mark_word) {
a61af66fc99e Initial load duke parents: diff changeset	593 return true;
a61af66fc99e Initial load duke parents: diff changeset	594 }
a61af66fc99e Initial load duke parents: diff changeset	595 if (mark() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	596 return true;
a61af66fc99e Initial load duke parents: diff changeset	597 }
a61af66fc99e Initial load duke parents: diff changeset	598 return !SafepointSynchronize::is_at_safepoint();
a61af66fc99e Initial load duke parents: diff changeset	599 }
a61af66fc99e Initial load duke parents: diff changeset	600
a61af66fc99e Initial load duke parents: diff changeset	601
a61af66fc99e Initial load duke parents: diff changeset	602 // used only for asserts
a61af66fc99e Initial load duke parents: diff changeset	603 inline bool oopDesc::is_oop_or_null(bool ignore_mark_word) const {
a61af66fc99e Initial load duke parents: diff changeset	604 return this == NULL ? true : is_oop(ignore_mark_word);
a61af66fc99e Initial load duke parents: diff changeset	605 }
a61af66fc99e Initial load duke parents: diff changeset	606
a61af66fc99e Initial load duke parents: diff changeset	607 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	608 // used only for asserts
a61af66fc99e Initial load duke parents: diff changeset	609 inline bool oopDesc::is_unlocked_oop() const {
a61af66fc99e Initial load duke parents: diff changeset	610 if (!Universe::heap()->is_in_reserved(this)) return false;
a61af66fc99e Initial load duke parents: diff changeset	611 return mark()->is_unlocked();
a61af66fc99e Initial load duke parents: diff changeset	612 }
a61af66fc99e Initial load duke parents: diff changeset	613 #endif // PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	614
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	615 inline void oopDesc::follow_contents(void) {
0 a61af66fc99e Initial load duke parents: diff changeset	616 assert (is_gc_marked(), "should be marked");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	617 klass()->oop_follow_contents(this);
0 a61af66fc99e Initial load duke parents: diff changeset	618 }
a61af66fc99e Initial load duke parents: diff changeset	619
a61af66fc99e Initial load duke parents: diff changeset	620 // Used by scavengers
a61af66fc99e Initial load duke parents: diff changeset	621
a61af66fc99e Initial load duke parents: diff changeset	622 inline bool oopDesc::is_forwarded() const {
a61af66fc99e Initial load duke parents: diff changeset	623 // The extra heap check is needed since the obj might be locked, in which case the
a61af66fc99e Initial load duke parents: diff changeset	624 // mark would point to a stack location and have the sentinel bit cleared
a61af66fc99e Initial load duke parents: diff changeset	625 return mark()->is_marked();
a61af66fc99e Initial load duke parents: diff changeset	626 }
a61af66fc99e Initial load duke parents: diff changeset	627
a61af66fc99e Initial load duke parents: diff changeset	628 // Used by scavengers
a61af66fc99e Initial load duke parents: diff changeset	629 inline void oopDesc::forward_to(oop p) {
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	630 assert(check_obj_alignment(p),
2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	631 "forwarding to something not aligned");
0 a61af66fc99e Initial load duke parents: diff changeset	632 assert(Universe::heap()->is_in_reserved(p),
a61af66fc99e Initial load duke parents: diff changeset	633 "forwarding to something not in heap");
a61af66fc99e Initial load duke parents: diff changeset	634 markOop m = markOopDesc::encode_pointer_as_mark(p);
a61af66fc99e Initial load duke parents: diff changeset	635 assert(m->decode_pointer() == p, "encoding must be reversable");
a61af66fc99e Initial load duke parents: diff changeset	636 set_mark(m);
a61af66fc99e Initial load duke parents: diff changeset	637 }
a61af66fc99e Initial load duke parents: diff changeset	638
a61af66fc99e Initial load duke parents: diff changeset	639 // Used by parallel scavengers
a61af66fc99e Initial load duke parents: diff changeset	640 inline bool oopDesc::cas_forward_to(oop p, markOop compare) {
1571 2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	641 assert(check_obj_alignment(p),
2d127394260e 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb kvn parents: 845 diff changeset	642 "forwarding to something not aligned");
0 a61af66fc99e Initial load duke parents: diff changeset	643 assert(Universe::heap()->is_in_reserved(p),
a61af66fc99e Initial load duke parents: diff changeset	644 "forwarding to something not in heap");
a61af66fc99e Initial load duke parents: diff changeset	645 markOop m = markOopDesc::encode_pointer_as_mark(p);
a61af66fc99e Initial load duke parents: diff changeset	646 assert(m->decode_pointer() == p, "encoding must be reversable");
a61af66fc99e Initial load duke parents: diff changeset	647 return cas_set_mark(m, compare) == compare;
a61af66fc99e Initial load duke parents: diff changeset	648 }
a61af66fc99e Initial load duke parents: diff changeset	649
a61af66fc99e Initial load duke parents: diff changeset	650 // Note that the forwardee is not the same thing as the displaced_mark.
a61af66fc99e Initial load duke parents: diff changeset	651 // The forwardee is used when copying during scavenge and mark-sweep.
a61af66fc99e Initial load duke parents: diff changeset	652 // It does need to clear the low two locking- and GC-related bits.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	653 inline oop oopDesc::forwardee() const {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	654 return (oop) mark()->decode_pointer();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	655 }
0 a61af66fc99e Initial load duke parents: diff changeset	656
a61af66fc99e Initial load duke parents: diff changeset	657 inline bool oopDesc::has_displaced_mark() const {
a61af66fc99e Initial load duke parents: diff changeset	658 return mark()->has_displaced_mark_helper();
a61af66fc99e Initial load duke parents: diff changeset	659 }
a61af66fc99e Initial load duke parents: diff changeset	660
a61af66fc99e Initial load duke parents: diff changeset	661 inline markOop oopDesc::displaced_mark() const {
a61af66fc99e Initial load duke parents: diff changeset	662 return mark()->displaced_mark_helper();
a61af66fc99e Initial load duke parents: diff changeset	663 }
a61af66fc99e Initial load duke parents: diff changeset	664
a61af66fc99e Initial load duke parents: diff changeset	665 inline void oopDesc::set_displaced_mark(markOop m) {
a61af66fc99e Initial load duke parents: diff changeset	666 mark()->set_displaced_mark_helper(m);
a61af66fc99e Initial load duke parents: diff changeset	667 }
a61af66fc99e Initial load duke parents: diff changeset	668
a61af66fc99e Initial load duke parents: diff changeset	669 // The following method needs to be MT safe.
6818 22b8d3d181d9 8000351: Tenuring threshold should be unsigned jwilhelm parents: 6727 diff changeset	670 inline uint oopDesc::age() const {
0 a61af66fc99e Initial load duke parents: diff changeset	671 assert(!is_forwarded(), "Attempt to read age from forwarded mark");
a61af66fc99e Initial load duke parents: diff changeset	672 if (has_displaced_mark()) {
a61af66fc99e Initial load duke parents: diff changeset	673 return displaced_mark()->age();
a61af66fc99e Initial load duke parents: diff changeset	674 } else {
a61af66fc99e Initial load duke parents: diff changeset	675 return mark()->age();
a61af66fc99e Initial load duke parents: diff changeset	676 }
a61af66fc99e Initial load duke parents: diff changeset	677 }
a61af66fc99e Initial load duke parents: diff changeset	678
a61af66fc99e Initial load duke parents: diff changeset	679 inline void oopDesc::incr_age() {
a61af66fc99e Initial load duke parents: diff changeset	680 assert(!is_forwarded(), "Attempt to increment age of forwarded mark");
a61af66fc99e Initial load duke parents: diff changeset	681 if (has_displaced_mark()) {
a61af66fc99e Initial load duke parents: diff changeset	682 set_displaced_mark(displaced_mark()->incr_age());
a61af66fc99e Initial load duke parents: diff changeset	683 } else {
a61af66fc99e Initial load duke parents: diff changeset	684 set_mark(mark()->incr_age());
a61af66fc99e Initial load duke parents: diff changeset	685 }
a61af66fc99e Initial load duke parents: diff changeset	686 }
a61af66fc99e Initial load duke parents: diff changeset	687
a61af66fc99e Initial load duke parents: diff changeset	688
a61af66fc99e Initial load duke parents: diff changeset	689 inline intptr_t oopDesc::identity_hash() {
a61af66fc99e Initial load duke parents: diff changeset	690 // Fast case; if the object is unlocked and the hash value is set, no locking is needed
a61af66fc99e Initial load duke parents: diff changeset	691 // Note: The mark must be read into local variable to avoid concurrent updates.
a61af66fc99e Initial load duke parents: diff changeset	692 markOop mrk = mark();
a61af66fc99e Initial load duke parents: diff changeset	693 if (mrk->is_unlocked() && !mrk->has_no_hash()) {
a61af66fc99e Initial load duke parents: diff changeset	694 return mrk->hash();
a61af66fc99e Initial load duke parents: diff changeset	695 } else if (mrk->is_marked()) {
a61af66fc99e Initial load duke parents: diff changeset	696 return mrk->hash();
a61af66fc99e Initial load duke parents: diff changeset	697 } else {
a61af66fc99e Initial load duke parents: diff changeset	698 return slow_identity_hash();
a61af66fc99e Initial load duke parents: diff changeset	699 }
a61af66fc99e Initial load duke parents: diff changeset	700 }
a61af66fc99e Initial load duke parents: diff changeset	701
a61af66fc99e Initial load duke parents: diff changeset	702 inline int oopDesc::adjust_pointers() {
a61af66fc99e Initial load duke parents: diff changeset	703 debug_only(int check_size = size());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	704 int s = klass()->oop_adjust_pointers(this);
0 a61af66fc99e Initial load duke parents: diff changeset	705 assert(s == check_size, "should be the same");
a61af66fc99e Initial load duke parents: diff changeset	706 return s;
a61af66fc99e Initial load duke parents: diff changeset	707 }
a61af66fc99e Initial load duke parents: diff changeset	708
a61af66fc99e Initial load duke parents: diff changeset	709 #define OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
a61af66fc99e Initial load duke parents: diff changeset	710 \
a61af66fc99e Initial load duke parents: diff changeset	711 inline int oopDesc::oop_iterate(OopClosureType* blk) { \
a61af66fc99e Initial load duke parents: diff changeset	712 SpecializationStats::record_call(); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	713 return klass()->oop_oop_iterate##nv_suffix(this, blk); \
0 a61af66fc99e Initial load duke parents: diff changeset	714 } \
a61af66fc99e Initial load duke parents: diff changeset	715 \
a61af66fc99e Initial load duke parents: diff changeset	716 inline int oopDesc::oop_iterate(OopClosureType* blk, MemRegion mr) { \
a61af66fc99e Initial load duke parents: diff changeset	717 SpecializationStats::record_call(); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	718 return klass()->oop_oop_iterate##nv_suffix##_m(this, blk, mr); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	719 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	720
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	721
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	722 inline int oopDesc::oop_iterate_no_header(OopClosure* blk) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	723 // The NoHeaderExtendedOopClosure wraps the OopClosure and proxies all
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	724 // the do_oop calls, but turns off all other features in ExtendedOopClosure.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	725 NoHeaderExtendedOopClosure cl(blk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	726 return oop_iterate(&cl);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	727 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	728
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	729 inline int oopDesc::oop_iterate_no_header(OopClosure* blk, MemRegion mr) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	730 NoHeaderExtendedOopClosure cl(blk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	731 return oop_iterate(&cl, mr);
0 a61af66fc99e Initial load duke parents: diff changeset	732 }
a61af66fc99e Initial load duke parents: diff changeset	733
a61af66fc99e Initial load duke parents: diff changeset	734 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_DEFN)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	735 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	736
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6848 diff changeset	737 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	738 #define OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	739 \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	740 inline int oopDesc::oop_iterate_backwards(OopClosureType* blk) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	741 SpecializationStats::record_call(); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3932 diff changeset	742 return klass()->oop_oop_iterate_backwards##nv_suffix(this, blk); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	743 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	744
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	745 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 135 diff changeset	746 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_ITERATE_BACKWARDS_DEFN)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6848 diff changeset	747 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	748
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1846 diff changeset	749 #endif // SHARE_VM_OOPS_OOP_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/oop.inline.hpp @ 20470:bc4ce33c0985