--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/shared/specialized_oop_closures.hpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2001, 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_SHARED_SPECIALIZED_OOP_CLOSURES_HPP
+#define SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP
+
+#include "utilities/macros.hpp"
+#if INCLUDE_ALL_GCS
+#include "gc/g1/g1_specialized_oop_closures.hpp"
+#endif // INCLUDE_ALL_GCS
+
+// The following OopClosure types get specialized versions of
+// "oop_oop_iterate" that invoke the closures' do_oop methods
+// non-virtually, using a mechanism defined in this file. Extend these
+// macros in the obvious way to add specializations for new closures.
+
+// Forward declarations.
+class OopClosure;
+class OopsInGenClosure;
+// DefNew
+class ScanClosure;
+class FastScanClosure;
+class FilteringClosure;
+// ParNew
+class ParScanWithBarrierClosure;
+class ParScanWithoutBarrierClosure;
+// CMS
+class MarkRefsIntoAndScanClosure;
+class Par_MarkRefsIntoAndScanClosure;
+class PushAndMarkClosure;
+class Par_PushAndMarkClosure;
+class PushOrMarkClosure;
+class Par_PushOrMarkClosure;
+class CMSKeepAliveClosure;
+class CMSInnerParMarkAndPushClosure;
+// Misc
+class NoHeaderExtendedOopClosure;
+
+// This macro applies an argument macro to all OopClosures for which we
+// want specialized bodies of "oop_oop_iterate". The arguments to "f" are:
+// "f(closureType, non_virtual)"
+// where "closureType" is the name of the particular subclass of ExtendedOopClosure,
+// and "non_virtual" will be the string "_nv" if the closure type should
+// have its "do_oop" method invoked non-virtually, or else the
+// string "_v". ("ExtendedOopClosure" itself will be the only class in the latter
+// category.)
+
+// This is split into several because of a Visual C++ 6.0 compiler bug
+// where very long macros cause the compiler to crash
+
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \
+ f(ScanClosure,_nv) \
+ f(FastScanClosure,_nv) \
+ f(FilteringClosure,_nv)
+
+#if INCLUDE_ALL_GCS
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) \
+ f(ParScanWithBarrierClosure,_nv) \
+ f(ParScanWithoutBarrierClosure,_nv)
+#else // INCLUDE_ALL_GCS
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
+#endif // INCLUDE_ALL_GCS
+
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \
+ f(NoHeaderExtendedOopClosure,_nv) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
+
+#if INCLUDE_ALL_GCS
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f) \
+ f(MarkRefsIntoAndScanClosure,_nv) \
+ f(Par_MarkRefsIntoAndScanClosure,_nv) \
+ f(PushAndMarkClosure,_nv) \
+ f(Par_PushAndMarkClosure,_nv) \
+ f(PushOrMarkClosure,_nv) \
+ f(Par_PushOrMarkClosure,_nv) \
+ f(CMSKeepAliveClosure,_nv) \
+ f(CMSInnerParMarkAndPushClosure,_nv)
+#endif
+
+#if INCLUDE_ALL_GCS
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_CMS(f) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(f)
+#else // INCLUDE_ALL_GCS
+#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
+#endif // INCLUDE_ALL_GCS
+
+
+// We separate these out, because sometime the general one has
+// a different definition from the specialized ones, and sometimes it
+// doesn't.
+
+#define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \
+ f(ExtendedOopClosure,_v) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)
+
+#define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \
+ SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
+
+#if INCLUDE_ALL_GCS
+// This macro applies an argument macro to all OopClosures for which we
+// want specialized bodies of a family of methods related to
+// "par_oop_iterate". The arguments to f are the same as above.
+// The "root_class" is the most general class to define; this may be
+// "OopClosure" in some applications and "OopsInGenClosure" in others.
+
+#define SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f) \
+ f(MarkRefsIntoAndScanClosure,_nv) \
+ f(PushAndMarkClosure,_nv) \
+ f(Par_MarkRefsIntoAndScanClosure,_nv) \
+ f(Par_PushAndMarkClosure,_nv)
+
+#define ALL_PAR_OOP_ITERATE_CLOSURES(f) \
+ f(ExtendedOopClosure,_v) \
+ SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f)
+#endif // INCLUDE_ALL_GCS
+
+// This macro applies an argument macro to all OopClosures for which we
+// want specialized bodies of a family of methods related to
+// "oops_since_save_marks_do". The arguments to f are the same as above.
+// The "root_class" is the most general class to define; this may be
+// "OopClosure" in some applications and "OopsInGenClosure" in others.
+
+#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \
+ f(ScanClosure,_nv) \
+ f(FastScanClosure,_nv)
+
+#if INCLUDE_ALL_GCS
+#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f) \
+ f(ParScanWithBarrierClosure,_nv) \
+ f(ParScanWithoutBarrierClosure,_nv)
+#else // INCLUDE_ALL_GCS
+#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f)
+#endif // INCLUDE_ALL_GCS
+
+#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f) \
+ SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_S(f) \
+ SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG_P(f)
+
+#define SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f) \
+ SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES_YOUNG(f)
+
+// We separate these out, because sometime the general one has
+// a different definition from the specialized ones, and sometimes it
+// doesn't.
+
+#define ALL_SINCE_SAVE_MARKS_CLOSURES(f) \
+ f(OopsInGenClosure,_v) \
+ SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
+
+#endif // SHARE_VM_GC_SHARED_SPECIALIZED_OOP_CLOSURES_HPP