author | stefank |
Thu, 02 Apr 2015 10:04:27 +0200 | |
changeset 30150 | d9c940aa42ef |
parent 22234 | da823d78ad65 |
child 30880 | efe35e08179f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP |
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#define SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP |
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#include "memory/memRegion.hpp" |
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#include "memory/iterator.inline.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/objArrayOop.inline.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "utilities/macros.hpp" |
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template <bool nv, typename T, class OopClosureType> |
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void ObjArrayKlass::oop_oop_iterate_elements_specialized(objArrayOop a, OopClosureType* closure) { |
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T* p = (T*)a->base(); |
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T* const end = p + a->length(); |
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for (;p < end; p++) { |
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Devirtualizer<nv>::do_oop(closure, p); |
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} |
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} |
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template <bool nv, typename T, class OopClosureType> |
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void ObjArrayKlass::oop_oop_iterate_elements_specialized_bounded( |
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objArrayOop a, OopClosureType* closure, void* low, void* high) { |
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T* const l = (T*)low; |
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T* const h = (T*)high; |
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T* p = (T*)a->base(); |
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T* end = p + a->length(); |
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if (p < l) { |
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p = l; |
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} |
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if (end > h) { |
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end = h; |
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} |
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for (;p < end; ++p) { |
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Devirtualizer<nv>::do_oop(closure, p); |
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} |
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} |
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template <bool nv, class OopClosureType> |
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void ObjArrayKlass::oop_oop_iterate_elements(objArrayOop a, OopClosureType* closure) { |
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if (UseCompressedOops) { |
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oop_oop_iterate_elements_specialized<nv, narrowOop>(a, closure); |
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} else { |
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oop_oop_iterate_elements_specialized<nv, oop>(a, closure); |
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} |
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} |
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template <bool nv, class OopClosureType> |
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void ObjArrayKlass::oop_oop_iterate_elements_bounded(objArrayOop a, OopClosureType* closure, MemRegion mr) { |
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if (UseCompressedOops) { |
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oop_oop_iterate_elements_specialized_bounded<nv, narrowOop>(a, closure, mr.start(), mr.end()); |
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} else { |
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oop_oop_iterate_elements_specialized_bounded<nv, oop>(a, closure, mr.start(), mr.end()); |
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} |
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} |
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template <bool nv, typename OopClosureType> |
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int ObjArrayKlass::oop_oop_iterate(oop obj, OopClosureType* closure) { |
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assert (obj->is_array(), "obj must be array"); |
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objArrayOop a = objArrayOop(obj); |
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// Get size before changing pointers. |
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// Don't call size() or oop_size() since that is a virtual call. |
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int size = a->object_size(); |
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if (Devirtualizer<nv>::do_metadata(closure)) { |
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Devirtualizer<nv>::do_klass(closure, obj->klass()); |
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} |
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oop_oop_iterate_elements<nv>(a, closure); |
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return size; |
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} |
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template <bool nv, typename OopClosureType> |
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int ObjArrayKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) { |
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assert(obj->is_array(), "obj must be array"); |
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objArrayOop a = objArrayOop(obj); |
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// Get size before changing pointers. |
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// Don't call size() or oop_size() since that is a virtual call |
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int size = a->object_size(); |
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if (Devirtualizer<nv>::do_metadata(closure)) { |
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Devirtualizer<nv>::do_klass(closure, a->klass()); |
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} |
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oop_oop_iterate_elements_bounded<nv>(a, closure, mr); |
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return size; |
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} |
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template <bool nv, typename T, class OopClosureType> |
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void ObjArrayKlass::oop_oop_iterate_range_specialized(objArrayOop a, OopClosureType* closure, int start, int end) { |
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if (Devirtualizer<nv>::do_metadata(closure)) { |
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Devirtualizer<nv>::do_klass(closure, a->klass()); |
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} |
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T* low = start == 0 ? cast_from_oop<T*>(a) : a->obj_at_addr<T>(start); |
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T* high = (T*)a->base() + end; |
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oop_oop_iterate_elements_specialized_bounded<nv, T>(a, closure, low, high); |
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} |
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// Like oop_oop_iterate but only iterates over a specified range and only used |
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// for objArrayOops. |
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template <bool nv, class OopClosureType> |
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int ObjArrayKlass::oop_oop_iterate_range(oop obj, OopClosureType* closure, int start, int end) { |
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assert(obj->is_array(), "obj must be array"); |
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objArrayOop a = objArrayOop(obj); |
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// Get size before changing pointers. |
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// Don't call size() or oop_size() since that is a virtual call |
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int size = a->object_size(); |
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if (UseCompressedOops) { |
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oop_oop_iterate_range_specialized<nv, narrowOop>(a, closure, start, end); |
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} else { |
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oop_oop_iterate_range_specialized<nv, oop>(a, closure, start, end); |
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} |
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return size; |
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} |
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#define ObjArrayKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \ |
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\ |
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int ObjArrayKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \ |
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return oop_oop_iterate<nvs_to_bool(nv_suffix)>(obj, closure); \ |
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} |
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#if INCLUDE_ALL_GCS |
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#define ObjArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \ |
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int ObjArrayKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \ |
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/* No reverse implementation ATM. */ \ |
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return oop_oop_iterate<nvs_to_bool(nv_suffix)>(obj, closure); \ |
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} |
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#else |
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#define ObjArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) |
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#endif |
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#define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \ |
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\ |
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int ObjArrayKlass::oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* closure, MemRegion mr) { \ |
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return oop_oop_iterate_bounded<nvs_to_bool(nv_suffix)>(obj, closure, mr); \ |
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} |
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#define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r(OopClosureType, nv_suffix) \ |
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\ |
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int ObjArrayKlass::oop_oop_iterate_range##nv_suffix(oop obj, OopClosureType* closure, int start, int end) { \ |
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return oop_oop_iterate_range<nvs_to_bool(nv_suffix)>(obj, closure, start, end); \ |
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} |
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#define ALL_OBJ_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \ |
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ObjArrayKlass_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \ |
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ObjArrayKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \ |
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ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m( OopClosureType, nv_suffix) \ |
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ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r( OopClosureType, nv_suffix) |
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#endif // SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP |