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 "classfile/altHashing.hpp"
27 #include "classfile/compactHashtable.hpp"
28 #include "classfile/javaClasses.hpp"
29 #include "classfile/stringTable.hpp"
30 #include "classfile/systemDictionary.hpp"
31 #include "gc_interface/collectedHeap.inline.hpp"
32 #include "memory/allocation.inline.hpp"
33 #include "memory/filemap.hpp"
34 #include "memory/gcLocker.inline.hpp"
35 #include "oops/oop.inline.hpp"
36 #include "runtime/atomic.inline.hpp"
37 #include "runtime/mutexLocker.hpp"
38 #include "utilities/hashtable.inline.hpp"
39 #include "utilities/macros.hpp"
40 #if INCLUDE_ALL_GCS
41 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
42 #include "gc_implementation/g1/g1StringDedup.hpp"
43 #endif
44
45 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
46
47 // the number of buckets a thread claims
48 const int ClaimChunkSize = 32;
49
50 #ifdef ASSERT
51 class StableMemoryChecker : public StackObj {
52 enum { _bufsize = wordSize*4 };
53
54 address _region;
55 jint _size;
56 u1 _save_buf[_bufsize];
57
58 int sample(u1* save_buf) {
59 if (_size <= _bufsize) {
60 memcpy(save_buf, _region, _size);
61 return _size;
62 } else {
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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 "classfile/altHashing.hpp"
27 #include "classfile/compactHashtable.hpp"
28 #include "classfile/javaClasses.hpp"
29 #include "classfile/stringTable.hpp"
30 #include "classfile/systemDictionary.hpp"
31 #include "gc/shared/collectedHeap.inline.hpp"
32 #include "gc/shared/gcLocker.inline.hpp"
33 #include "memory/allocation.inline.hpp"
34 #include "memory/filemap.hpp"
35 #include "oops/oop.inline.hpp"
36 #include "runtime/atomic.inline.hpp"
37 #include "runtime/mutexLocker.hpp"
38 #include "utilities/hashtable.inline.hpp"
39 #include "utilities/macros.hpp"
40 #if INCLUDE_ALL_GCS
41 #include "gc/g1/g1SATBCardTableModRefBS.hpp"
42 #include "gc/g1/g1StringDedup.hpp"
43 #endif
44
45 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
46
47 // the number of buckets a thread claims
48 const int ClaimChunkSize = 32;
49
50 #ifdef ASSERT
51 class StableMemoryChecker : public StackObj {
52 enum { _bufsize = wordSize*4 };
53
54 address _region;
55 jint _size;
56 u1 _save_buf[_bufsize];
57
58 int sample(u1* save_buf) {
59 if (_size <= _bufsize) {
60 memcpy(save_buf, _region, _size);
61 return _size;
62 } else {
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