6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
27 #include "gc_implementation/parallelScavenge/psPromotionLAB.hpp"
28 #include "gc_implementation/shared/mutableSpace.hpp"
29 #include "oops/oop.inline.hpp"
30
31 size_t PSPromotionLAB::filler_header_size;
32
33 // This is the shared initialization code. It sets up the basic pointers,
34 // and allows enough extra space for a filler object. We call a virtual
35 // method, "lab_is_valid()" to handle the different asserts the old/young
36 // labs require.
37 void PSPromotionLAB::initialize(MemRegion lab) {
38 assert(lab_is_valid(lab), "Sanity");
39
40 HeapWord* bottom = lab.start();
41 HeapWord* end = lab.end();
42
43 set_bottom(bottom);
44 set_end(end);
45 set_top(bottom);
46
47 // Initialize after VM starts up because header_size depends on compressed
48 // oops.
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/parallel/mutableSpace.hpp"
27 #include "gc/parallel/parallelScavengeHeap.hpp"
28 #include "gc/parallel/psPromotionLAB.hpp"
29 #include "oops/oop.inline.hpp"
30
31 size_t PSPromotionLAB::filler_header_size;
32
33 // This is the shared initialization code. It sets up the basic pointers,
34 // and allows enough extra space for a filler object. We call a virtual
35 // method, "lab_is_valid()" to handle the different asserts the old/young
36 // labs require.
37 void PSPromotionLAB::initialize(MemRegion lab) {
38 assert(lab_is_valid(lab), "Sanity");
39
40 HeapWord* bottom = lab.start();
41 HeapWord* end = lab.end();
42
43 set_bottom(bottom);
44 set_end(end);
45 set_top(bottom);
46
47 // Initialize after VM starts up because header_size depends on compressed
48 // oops.
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