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src/share/vm/memory/barrierSet.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/memory/barrierSet.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6876

710a3c8b516e

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "gc_interface/collectedHeap.hpp"
aoqi@0	27	#include "memory/barrierSet.inline.hpp"
aoqi@0	28	#include "memory/universe.hpp"
aoqi@0	29
aoqi@0	30	// count is number of array elements being written
aoqi@0	31	void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) {
aoqi@0	32	assert(count <= (size_t)max_intx, "count too large");
aoqi@0	33	#if 0
aoqi@0	34	warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t",
aoqi@0	35	start, count);
aoqi@0	36	#endif
aoqi@0	37	if (UseCompressedOops) {
aoqi@0	38	Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count, false);
aoqi@0	39	} else {
aoqi@0	40	Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count, false);
aoqi@0	41	}
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	// count is number of array elements being written
aoqi@0	45	void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) {
aoqi@0	46	// simply delegate to instance method
aoqi@0	47	Universe::heap()->barrier_set()->write_ref_array(start, count);
aoqi@0	48	}