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 "code/codeCache.hpp"
27 #include "code/nmethod.hpp"
28 #include "gc_implementation/g1/g1CodeCacheRemSet.hpp"
29 #include "gc_implementation/g1/heapRegion.hpp"
30 #include "memory/heap.hpp"
31 #include "memory/iterator.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "utilities/hashtable.inline.hpp"
34 #include "utilities/stack.inline.hpp"
35
36 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
37
38 class CodeRootSetTable : public Hashtable<nmethod*, mtGC> {
39 friend class G1CodeRootSetTest;
40 typedef HashtableEntry<nmethod*, mtGC> Entry;
41
42 static CodeRootSetTable* volatile _purge_list;
43
44 CodeRootSetTable* _purge_next;
45
46 unsigned int compute_hash(nmethod* nm) {
47 uintptr_t hash = (uintptr_t)nm;
48 return hash ^ (hash >> 7); // code heap blocks are 128byte aligned
49 }
|
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 "code/codeCache.hpp"
27 #include "code/nmethod.hpp"
28 #include "gc_implementation/g1/g1CodeCacheRemSet.hpp"
29 #include "gc_implementation/g1/heapRegion.inline.hpp"
30 #include "memory/heap.hpp"
31 #include "memory/iterator.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "utilities/hashtable.inline.hpp"
34 #include "utilities/stack.inline.hpp"
35
36 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
37
38 class CodeRootSetTable : public Hashtable<nmethod*, mtGC> {
39 friend class G1CodeRootSetTest;
40 typedef HashtableEntry<nmethod*, mtGC> Entry;
41
42 static CodeRootSetTable* volatile _purge_list;
43
44 CodeRootSetTable* _purge_next;
45
46 unsigned int compute_hash(nmethod* nm) {
47 uintptr_t hash = (uintptr_t)nm;
48 return hash ^ (hash >> 7); // code heap blocks are 128byte aligned
49 }
|