author | stefank |
Sat, 26 May 2018 06:59:49 +0200 | |
changeset 50752 | 9d62da00bf15 |
parent 47216 | 71c04702a3d5 |
child 51268 | 4ac20e5f96ce |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "gc/parallel/immutableSpace.hpp" |
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#include "memory/iterator.inline.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "utilities/macros.hpp" |
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void ImmutableSpace::initialize(MemRegion mr) { |
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HeapWord* bottom = mr.start(); |
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HeapWord* end = mr.end(); |
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assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end), |
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"invalid space boundaries"); |
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_bottom = bottom; |
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_end = end; |
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} |
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void ImmutableSpace::oop_iterate(OopIterateClosure* cl) { |
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HeapWord* obj_addr = bottom(); |
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HeapWord* t = end(); |
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// Could call objects iterate, but this is easier. |
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while (obj_addr < t) { |
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obj_addr += oop(obj_addr)->oop_iterate_size(cl); |
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} |
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} |
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void ImmutableSpace::object_iterate(ObjectClosure* cl) { |
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HeapWord* p = bottom(); |
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while (p < end()) { |
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cl->do_object(oop(p)); |
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p += oop(p)->size(); |
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} |
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} |
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#ifndef PRODUCT |
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void ImmutableSpace::print_short() const { |
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tty->print(" space " SIZE_FORMAT "K, 100%% used", capacity_in_bytes() / K); |
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} |
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void ImmutableSpace::print() const { |
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print_short(); |
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tty->print_cr(" [" INTPTR_FORMAT_W(#-6) "," INTPTR_FORMAT_W(#-6) ")", p2i(bottom()), p2i(end())); |
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} |
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#endif |
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void ImmutableSpace::verify() { |
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HeapWord* p = bottom(); |
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HeapWord* t = end(); |
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HeapWord* prev_p = NULL; |
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while (p < t) { |
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oop(p)->verify(); |
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prev_p = p; |
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p += oop(p)->size(); |
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} |
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guarantee(p == end(), "end of last object must match end of space"); |
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} |