--- a/hotspot/src/share/vm/gc/g1/g1RootClosures.cpp Thu Nov 26 00:00:25 2015 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1RootClosures.cpp Thu Nov 26 01:59:34 2015 +0000
@@ -23,62 +23,7 @@
*/
#include "precompiled.hpp"
-
-#include "gc/g1/bufferingOopClosure.hpp"
-#include "gc/g1/g1CodeBlobClosure.hpp"
-#include "gc/g1/g1CollectedHeap.hpp"
-#include "gc/g1/g1OopClosures.inline.hpp"
-#include "gc/g1/g1RootClosures.hpp"
-
-class G1ParScanThreadState;
-
-// Simple holder object for a complete set of closures used by the G1 evacuation code.
-template <G1Mark Mark>
-class G1SharedClosures VALUE_OBJ_CLASS_SPEC {
-public:
- G1ParCopyClosure<G1BarrierNone, Mark> _oops;
- G1ParCopyClosure<G1BarrierKlass, Mark> _oop_in_klass;
- G1KlassScanClosure _klass_in_cld_closure;
- CLDToKlassAndOopClosure _clds;
- G1CodeBlobClosure _codeblobs;
- BufferingOopClosure _buffered_oops;
-
- G1SharedClosures(G1CollectedHeap* g1h, G1ParScanThreadState* pss, bool process_only_dirty_klasses, bool must_claim_cld) :
- _oops(g1h, pss),
- _oop_in_klass(g1h, pss),
- _klass_in_cld_closure(&_oop_in_klass, process_only_dirty_klasses),
- _clds(&_klass_in_cld_closure, &_oops, must_claim_cld),
- _codeblobs(&_oops),
- _buffered_oops(&_oops) {}
-};
-
-class G1EvacuationClosures : public G1EvacuationRootClosures {
- G1SharedClosures<G1MarkNone> _closures;
-
-public:
- G1EvacuationClosures(G1CollectedHeap* g1h,
- G1ParScanThreadState* pss,
- bool gcs_are_young) :
- _closures(g1h, pss, gcs_are_young, /* must_claim_cld */ false) {}
-
- OopClosure* weak_oops() { return &_closures._buffered_oops; }
- OopClosure* strong_oops() { return &_closures._buffered_oops; }
-
- CLDClosure* weak_clds() { return &_closures._clds; }
- CLDClosure* strong_clds() { return &_closures._clds; }
- CLDClosure* thread_root_clds() { return NULL; }
- CLDClosure* second_pass_weak_clds() { return NULL; }
-
- CodeBlobClosure* strong_codeblobs() { return &_closures._codeblobs; }
- CodeBlobClosure* weak_codeblobs() { return &_closures._codeblobs; }
-
- void flush() { _closures._buffered_oops.done(); }
- double closure_app_seconds() { return _closures._buffered_oops.closure_app_seconds(); }
-
- OopClosure* raw_strong_oops() { return &_closures._oops; }
-
- bool trace_metadata() { return false; }
-};
+#include "gc/g1/g1RootClosures.inline.hpp"
// Closures used during initial mark.
// The treatment of "weak" roots is selectable through the template parameter,
@@ -137,13 +82,19 @@
};
G1EvacuationRootClosures* G1EvacuationRootClosures::create_root_closures(G1ParScanThreadState* pss, G1CollectedHeap* g1h) {
+ G1EvacuationRootClosures* res = create_root_closures_ext(pss, g1h);
+ if (res != NULL) {
+ return res;
+ }
+
if (g1h->collector_state()->during_initial_mark_pause()) {
if (ClassUnloadingWithConcurrentMark) {
- return new G1InitalMarkClosures<G1MarkPromotedFromRoot>(g1h, pss);
+ res = new G1InitalMarkClosures<G1MarkPromotedFromRoot>(g1h, pss);
} else {
- return new G1InitalMarkClosures<G1MarkFromRoot>(g1h, pss);
+ res = new G1InitalMarkClosures<G1MarkFromRoot>(g1h, pss);
}
} else {
- return new G1EvacuationClosures(g1h, pss, g1h->collector_state()->gcs_are_young());
+ res = new G1EvacuationClosures(g1h, pss, g1h->collector_state()->gcs_are_young());
}
+ return res;
}
--- a/hotspot/src/share/vm/gc/g1/g1RootClosures.hpp Thu Nov 26 00:00:25 2015 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1RootClosures.hpp Thu Nov 26 01:59:34 2015 +0000
@@ -49,6 +49,7 @@
};
class G1EvacuationRootClosures : public G1RootClosures {
+ static G1EvacuationRootClosures* create_root_closures_ext(G1ParScanThreadState* pss, G1CollectedHeap* g1h);
public:
// Flush any buffered state and deferred processing
virtual void flush() = 0;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1RootClosures.inline.hpp Thu Nov 26 01:59:34 2015 +0000
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "gc/g1/bufferingOopClosure.hpp"
+#include "gc/g1/g1CodeBlobClosure.hpp"
+#include "gc/g1/g1CollectedHeap.hpp"
+#include "gc/g1/g1OopClosures.inline.hpp"
+#include "gc/g1/g1RootClosures.hpp"
+
+// Simple holder object for a complete set of closures used by the G1 evacuation code.
+template <G1Mark Mark>
+class G1SharedClosures VALUE_OBJ_CLASS_SPEC {
+public:
+ G1ParCopyClosure<G1BarrierNone, Mark> _oops;
+ G1ParCopyClosure<G1BarrierKlass, Mark> _oop_in_klass;
+ G1KlassScanClosure _klass_in_cld_closure;
+ CLDToKlassAndOopClosure _clds;
+ G1CodeBlobClosure _codeblobs;
+ BufferingOopClosure _buffered_oops;
+
+ G1SharedClosures(G1CollectedHeap* g1h, G1ParScanThreadState* pss, bool process_only_dirty_klasses, bool must_claim_cld) :
+ _oops(g1h, pss),
+ _oop_in_klass(g1h, pss),
+ _klass_in_cld_closure(&_oop_in_klass, process_only_dirty_klasses),
+ _clds(&_klass_in_cld_closure, &_oops, must_claim_cld),
+ _codeblobs(&_oops),
+ _buffered_oops(&_oops) {}
+};
+
+class G1EvacuationClosures : public G1EvacuationRootClosures {
+ G1SharedClosures<G1MarkNone> _closures;
+
+public:
+ G1EvacuationClosures(G1CollectedHeap* g1h,
+ G1ParScanThreadState* pss,
+ bool gcs_are_young) :
+ _closures(g1h, pss, gcs_are_young, /* must_claim_cld */ false) {}
+
+ OopClosure* weak_oops() { return &_closures._buffered_oops; }
+ OopClosure* strong_oops() { return &_closures._buffered_oops; }
+
+ CLDClosure* weak_clds() { return &_closures._clds; }
+ CLDClosure* strong_clds() { return &_closures._clds; }
+ CLDClosure* thread_root_clds() { return NULL; }
+ CLDClosure* second_pass_weak_clds() { return NULL; }
+
+ CodeBlobClosure* strong_codeblobs() { return &_closures._codeblobs; }
+ CodeBlobClosure* weak_codeblobs() { return &_closures._codeblobs; }
+
+ void flush() { _closures._buffered_oops.done(); }
+ double closure_app_seconds() { return _closures._buffered_oops.closure_app_seconds(); }
+
+ OopClosure* raw_strong_oops() { return &_closures._oops; }
+
+ bool trace_metadata() { return false; }
+};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1RootClosures_ext.cpp Thu Nov 26 01:59:34 2015 +0000
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "gc/g1/g1RootClosures.hpp"
+
+G1EvacuationRootClosures* G1EvacuationRootClosures::create_root_closures_ext(G1ParScanThreadState* pss, G1CollectedHeap* g1h) {
+ return NULL;
+}