truffle: src/share/vm/memory/barrierSet.cpp annotate

annotate src/share/vm/memory/barrierSet.cpp @ 948:89e0543e1737

6884624: Update copyright year Summary: Update copyright for files that have been modified in 2009 through Septermber Reviewed-by: tbell, ohair

author	xdono
date	Tue, 22 Sep 2009 14:06:10 -0700
parents	df6caf649ff7
children	6aa7255741f3

rev	line source
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	1 /*
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	4 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	7 * published by the Free Software Foundation.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	8 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	13 * accompanied this code).
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	14 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	18 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	20 * CA 95054 USA or visit www.sun.com if you need additional information or
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	21 * have any questions.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	22 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	23 */
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	24
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	25 # include "incls/_precompiled.incl"
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	26 # include "incls/_barrierSet.cpp.incl"
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	27
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	28 // count is number of array elements being written
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	29 void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) {
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	30 assert(count <= (size_t)max_intx, "count too large");
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	31 #if 0
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	32 warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t",
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	33 start, count);
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	34 #endif
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	35 if (UseCompressedOops) {
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	36 Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count);
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	37 } else {
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	38 Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count);
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	39 }
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	40 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	41
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	42 // count is number of array elements being written
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	43 void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) {
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	44 assert(count <= (size_t)max_intx, "count too large");
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	45 HeapWord* end = start + objArrayOopDesc::array_size((int)count);
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	46 #if 0
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	47 warning("Post:\t" INTPTR_FORMAT "[" SIZE_FORMAT "] : [" INTPTR_FORMAT","INTPTR_FORMAT")\t",
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	48 start, count, start, end);
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	49 #endif
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 342 diff changeset	50 Universe::heap()->barrier_set()->write_ref_array_work(MemRegion(start, end));
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	51 }

Mercurial > hg > truffle

annotate src/share/vm/memory/barrierSet.cpp @ 948:89e0543e1737