hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.inline.hpp
changeset 30150 d9c940aa42ef
child 30173 13cf7580b000
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.inline.hpp	Thu Apr 02 10:04:27 2015 +0200
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP
+
+#include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
+#include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
+#include "gc_interface/collectedHeap.hpp"
+#include "oops/klass.hpp"
+#include "oops/oop.inline.hpp"
+
+template <typename T>
+inline void PSParallelCompact::mark_and_push(ParCompactionManager* cm, T* p) {
+  T heap_oop = oopDesc::load_heap_oop(p);
+  if (!oopDesc::is_null(heap_oop)) {
+    oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
+    assert(Universe::heap()->is_in(obj), "should be in heap");
+
+    if (mark_bitmap()->is_unmarked(obj) && mark_obj(obj)) {
+      cm->push(obj);
+    }
+  }
+}
+
+template <typename T>
+inline void PSParallelCompact::MarkAndPushClosure::do_oop_nv(T* p) {
+  mark_and_push(_compaction_manager, p);
+}
+
+inline void PSParallelCompact::MarkAndPushClosure::do_oop(oop* p)       { do_oop_nv(p); }
+inline void PSParallelCompact::MarkAndPushClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
+
+inline void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) {
+  oop holder = klass->klass_holder();
+  mark_and_push(cm, &holder);
+}
+
+template <class T>
+inline void PSParallelCompact::adjust_pointer(T* p) {
+  T heap_oop = oopDesc::load_heap_oop(p);
+  if (!oopDesc::is_null(heap_oop)) {
+    oop obj     = oopDesc::decode_heap_oop_not_null(heap_oop);
+    assert(Universe::heap()->is_in(obj), "should be in heap");
+
+    oop new_obj = (oop)summary_data().calc_new_pointer(obj);
+    assert(new_obj != NULL,                    // is forwarding ptr?
+           "should be forwarded");
+    // Just always do the update unconditionally?
+    if (new_obj != NULL) {
+      assert(Universe::heap()->is_in_reserved(new_obj),
+             "should be in object space");
+      oopDesc::encode_store_heap_oop_not_null(p, new_obj);
+    }
+  }
+}
+
+template <typename T>
+void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {
+  adjust_pointer(p);
+}
+
+inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p)       { do_oop_nv(p); }
+inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP