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
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 #include "precompiled.hpp"
25 #include "gc/shared/collectedHeap.hpp"
26 #include "gc/z/zAddress.inline.hpp"
27 #include "gc/z/zUtils.inline.hpp"
28 #include "utilities/debug.hpp"
29
30 #include <stdlib.h>
31
32 uintptr_t ZUtils::alloc_aligned(size_t alignment, size_t size) {
33 void* res = NULL;
34
35 if (posix_memalign(&res, alignment, size) != 0) {
36 fatal("posix_memalign() failed");
37 }
38
39 memset(res, 0, size);
40
41 return (uintptr_t)res;
42 }
43
44 void ZUtils::insert_filler_object(uintptr_t addr, size_t size) {
45 const size_t fill_size_in_words = bytes_to_words(size);
46 if (fill_size_in_words >= CollectedHeap::min_fill_size()) {
47 CollectedHeap::fill_with_objects((HeapWord*)ZAddress::good(addr), fill_size_in_words);
48 }
49 }
|
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
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 #include "precompiled.hpp"
25 #include "gc/z/zUtils.inline.hpp"
26 #include "utilities/debug.hpp"
27
28 #include <stdlib.h>
29
30 uintptr_t ZUtils::alloc_aligned(size_t alignment, size_t size) {
31 void* res = NULL;
32
33 if (posix_memalign(&res, alignment, size) != 0) {
34 fatal("posix_memalign() failed");
35 }
36
37 memset(res, 0, size);
38
39 return (uintptr_t)res;
40 }
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