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/shenandoah/heuristics/shenandoahAdaptiveHeuristics.hpp"
27 #include "gc/shenandoah/heuristics/shenandoahAggressiveHeuristics.hpp"
28 #include "gc/shenandoah/heuristics/shenandoahCompactHeuristics.hpp"
29 #include "gc/shenandoah/heuristics/shenandoahStaticHeuristics.hpp"
30 #include "gc/shenandoah/mode/shenandoahSATBMode.hpp"
31 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
32 #include "logging/log.hpp"
33 #include "logging/logTag.hpp"
34 #include "runtime/globals_extension.hpp"
35 #include "runtime/java.hpp"
36
37 void ShenandoahSATBMode::initialize_flags() const {
38 if (ClassUnloading) {
39 FLAG_SET_DEFAULT(VerifyBeforeExit, false);
40 }
41
42 SHENANDOAH_ERGO_ENABLE_FLAG(ExplicitGCInvokesConcurrent);
43 SHENANDOAH_ERGO_ENABLE_FLAG(ShenandoahImplicitGCInvokesConcurrent);
44
45 // Final configuration checks
46 SHENANDOAH_CHECK_FLAG_SET(ShenandoahLoadRefBarrier);
47 SHENANDOAH_CHECK_FLAG_UNSET(ShenandoahIUBarrier);
48 SHENANDOAH_CHECK_FLAG_SET(ShenandoahSATBBarrier);
49 SHENANDOAH_CHECK_FLAG_SET(ShenandoahCASBarrier);
50 SHENANDOAH_CHECK_FLAG_SET(ShenandoahCloneBarrier);
51 SHENANDOAH_CHECK_FLAG_SET(ShenandoahStackWatermarkBarrier);
52 }
53
54 ShenandoahHeuristics* ShenandoahSATBMode::initialize_heuristics() const {
55 if (ShenandoahGCHeuristics == nullptr) {
56 vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option (null)");
57 }
58 ShenandoahHeap* heap = ShenandoahHeap::heap();
59 if (strcmp(ShenandoahGCHeuristics, "aggressive") == 0) {
60 return new ShenandoahAggressiveHeuristics(heap);
61 } else if (strcmp(ShenandoahGCHeuristics, "static") == 0) {
62 return new ShenandoahStaticHeuristics(heap);
63 } else if (strcmp(ShenandoahGCHeuristics, "adaptive") == 0) {
64 return new ShenandoahAdaptiveHeuristics(heap);
65 } else if (strcmp(ShenandoahGCHeuristics, "compact") == 0) {
66 return new ShenandoahCompactHeuristics(heap);
67 }
68 vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option");
69 return nullptr;
70 }
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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/shenandoah/heuristics/shenandoahHeuristics.hpp"
27 #include "gc/shenandoah/mode/shenandoahSATBMode.hpp"
28 #include "logging/log.hpp"
29 #include "logging/logTag.hpp"
30 #include "runtime/globals_extension.hpp"
31 #include "runtime/java.hpp"
32
33 void ShenandoahSATBMode::initialize_flags() const {
34 if (ClassUnloading) {
35 FLAG_SET_DEFAULT(VerifyBeforeExit, false);
36 }
37
38 SHENANDOAH_ERGO_ENABLE_FLAG(ExplicitGCInvokesConcurrent);
39 SHENANDOAH_ERGO_ENABLE_FLAG(ShenandoahImplicitGCInvokesConcurrent);
40
41 // Final configuration checks
42 SHENANDOAH_CHECK_FLAG_SET(ShenandoahLoadRefBarrier);
43 SHENANDOAH_CHECK_FLAG_UNSET(ShenandoahIUBarrier);
44 SHENANDOAH_CHECK_FLAG_SET(ShenandoahSATBBarrier);
45 SHENANDOAH_CHECK_FLAG_SET(ShenandoahCASBarrier);
46 SHENANDOAH_CHECK_FLAG_SET(ShenandoahCloneBarrier);
47 SHENANDOAH_CHECK_FLAG_SET(ShenandoahStackWatermarkBarrier);
48 assert(strcmp(ShenandoahGCMode, "generational") != 0, "Error");
49 SHENANDOAH_CHECK_FLAG_UNSET(ShenandoahCardBarrier);
50 }
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