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comparison src/share/vm/oops/instanceRefKlass.cpp @ 12355:cefad50507d8

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Merge with hs25-b53
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 11 Oct 2013 10:38:03 +0200
parents 190899198332
children 78bbf4d43a14
comparison
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12058:ccb4f2af2319 12355:cefad50507d8
1 /* 1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
49 void specialized_oop_follow_contents(InstanceRefKlass* ref, oop obj) { 49 void specialized_oop_follow_contents(InstanceRefKlass* ref, oop obj) {
50 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj); 50 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
51 T heap_oop = oopDesc::load_heap_oop(referent_addr); 51 T heap_oop = oopDesc::load_heap_oop(referent_addr);
52 debug_only( 52 debug_only(
53 if(TraceReferenceGC && PrintGCDetails) { 53 if(TraceReferenceGC && PrintGCDetails) {
54 gclog_or_tty->print_cr("InstanceRefKlass::oop_follow_contents " INTPTR_FORMAT, obj); 54 gclog_or_tty->print_cr("InstanceRefKlass::oop_follow_contents " INTPTR_FORMAT, (void *)obj);
55 } 55 }
56 ) 56 )
57 if (!oopDesc::is_null(heap_oop)) { 57 if (!oopDesc::is_null(heap_oop)) {
58 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop); 58 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop);
59 if (!referent->is_gc_marked() && 59 if (!referent->is_gc_marked() &&
60 MarkSweep::ref_processor()->discover_reference(obj, ref->reference_type())) { 60 MarkSweep::ref_processor()->discover_reference(obj, ref->reference_type())) {
61 // reference was discovered, referent will be traversed later 61 // reference was discovered, referent will be traversed later
62 ref->InstanceKlass::oop_follow_contents(obj); 62 ref->InstanceKlass::oop_follow_contents(obj);
63 debug_only( 63 debug_only(
64 if(TraceReferenceGC && PrintGCDetails) { 64 if(TraceReferenceGC && PrintGCDetails) {
65 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, obj); 65 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, (void *)obj);
66 } 66 }
67 ) 67 )
68 return; 68 return;
69 } else { 69 } else {
70 // treat referent as normal oop 70 // treat referent as normal oop
71 debug_only( 71 debug_only(
72 if(TraceReferenceGC && PrintGCDetails) { 72 if(TraceReferenceGC && PrintGCDetails) {
73 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, obj); 73 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, (void *)obj);
74 } 74 }
75 ) 75 )
76 MarkSweep::mark_and_push(referent_addr); 76 MarkSweep::mark_and_push(referent_addr);
77 } 77 }
78 } 78 }
128 oop obj) { 128 oop obj) {
129 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj); 129 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
130 T heap_oop = oopDesc::load_heap_oop(referent_addr); 130 T heap_oop = oopDesc::load_heap_oop(referent_addr);
131 debug_only( 131 debug_only(
132 if(TraceReferenceGC && PrintGCDetails) { 132 if(TraceReferenceGC && PrintGCDetails) {
133 gclog_or_tty->print_cr("InstanceRefKlass::oop_follow_contents " INTPTR_FORMAT, obj); 133 gclog_or_tty->print_cr("InstanceRefKlass::oop_follow_contents " INTPTR_FORMAT, (void *)obj);
134 } 134 }
135 ) 135 )
136 if (!oopDesc::is_null(heap_oop)) { 136 if (!oopDesc::is_null(heap_oop)) {
137 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop); 137 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop);
138 if (PSParallelCompact::mark_bitmap()->is_unmarked(referent) && 138 if (PSParallelCompact::mark_bitmap()->is_unmarked(referent) &&
140 discover_reference(obj, ref->reference_type())) { 140 discover_reference(obj, ref->reference_type())) {
141 // reference already enqueued, referent will be traversed later 141 // reference already enqueued, referent will be traversed later
142 ref->InstanceKlass::oop_follow_contents(cm, obj); 142 ref->InstanceKlass::oop_follow_contents(cm, obj);
143 debug_only( 143 debug_only(
144 if(TraceReferenceGC && PrintGCDetails) { 144 if(TraceReferenceGC && PrintGCDetails) {
145 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, obj); 145 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, (void *)obj);
146 } 146 }
147 ) 147 )
148 return; 148 return;
149 } else { 149 } else {
150 // treat referent as normal oop 150 // treat referent as normal oop
151 debug_only( 151 debug_only(
152 if(TraceReferenceGC && PrintGCDetails) { 152 if(TraceReferenceGC && PrintGCDetails) {
153 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, obj); 153 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, (void *)obj);
154 } 154 }
155 ) 155 )
156 PSParallelCompact::mark_and_push(cm, referent_addr); 156 PSParallelCompact::mark_and_push(cm, referent_addr);
157 } 157 }
158 } 158 }