| /* |
| * Copyright (c) 2010, 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_OOPS_OBJARRAYKLASS_INLINE_HPP |
| #define SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP |
| |
| #include "memory/memRegion.hpp" |
| #include "memory/iterator.inline.hpp" |
| #include "oops/arrayKlass.hpp" |
| #include "oops/klass.hpp" |
| #include "oops/objArrayKlass.hpp" |
| #include "oops/objArrayOop.inline.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "utilities/macros.hpp" |
| |
| template <bool nv, typename T, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_elements_specialized(objArrayOop a, OopClosureType* closure) { |
| T* p = (T*)a->base(); |
| T* const end = p + a->length(); |
| |
| for (;p < end; p++) { |
| Devirtualizer<nv>::do_oop(closure, p); |
| } |
| } |
| |
| template <bool nv, typename T, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_elements_specialized_bounded( |
| objArrayOop a, OopClosureType* closure, void* low, void* high) { |
| |
| T* const l = (T*)low; |
| T* const h = (T*)high; |
| |
| T* p = (T*)a->base(); |
| T* end = p + a->length(); |
| |
| if (p < l) { |
| p = l; |
| } |
| if (end > h) { |
| end = h; |
| } |
| |
| for (;p < end; ++p) { |
| Devirtualizer<nv>::do_oop(closure, p); |
| } |
| } |
| |
| template <bool nv, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_elements(objArrayOop a, OopClosureType* closure) { |
| if (UseCompressedOops) { |
| oop_oop_iterate_elements_specialized<nv, narrowOop>(a, closure); |
| } else { |
| oop_oop_iterate_elements_specialized<nv, oop>(a, closure); |
| } |
| } |
| |
| template <bool nv, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_elements_bounded(objArrayOop a, OopClosureType* closure, MemRegion mr) { |
| if (UseCompressedOops) { |
| oop_oop_iterate_elements_specialized_bounded<nv, narrowOop>(a, closure, mr.start(), mr.end()); |
| } else { |
| oop_oop_iterate_elements_specialized_bounded<nv, oop>(a, closure, mr.start(), mr.end()); |
| } |
| } |
| |
| template <bool nv, typename OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate(oop obj, OopClosureType* closure) { |
| assert (obj->is_array(), "obj must be array"); |
| objArrayOop a = objArrayOop(obj); |
| |
| if (Devirtualizer<nv>::do_metadata(closure)) { |
| Devirtualizer<nv>::do_klass(closure, obj->klass()); |
| } |
| |
| oop_oop_iterate_elements<nv>(a, closure); |
| } |
| |
| template <bool nv, typename OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) { |
| assert(obj->is_array(), "obj must be array"); |
| objArrayOop a = objArrayOop(obj); |
| |
| if (Devirtualizer<nv>::do_metadata(closure)) { |
| Devirtualizer<nv>::do_klass(closure, a->klass()); |
| } |
| |
| oop_oop_iterate_elements_bounded<nv>(a, closure, mr); |
| } |
| |
| template <bool nv, typename T, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_range_specialized(objArrayOop a, OopClosureType* closure, int start, int end) { |
| T* low = start == 0 ? cast_from_oop<T*>(a) : a->obj_at_addr<T>(start); |
| T* high = (T*)a->base() + end; |
| |
| oop_oop_iterate_elements_specialized_bounded<nv, T>(a, closure, low, high); |
| } |
| |
| // Like oop_oop_iterate but only iterates over a specified range and only used |
| // for objArrayOops. |
| template <bool nv, class OopClosureType> |
| void ObjArrayKlass::oop_oop_iterate_range(oop obj, OopClosureType* closure, int start, int end) { |
| assert(obj->is_array(), "obj must be array"); |
| objArrayOop a = objArrayOop(obj); |
| |
| if (UseCompressedOops) { |
| oop_oop_iterate_range_specialized<nv, narrowOop>(a, closure, start, end); |
| } else { |
| oop_oop_iterate_range_specialized<nv, oop>(a, closure, start, end); |
| } |
| } |
| |
| #define ALL_OBJ_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \ |
| OOP_OOP_ITERATE_DEFN( ObjArrayKlass, OopClosureType, nv_suffix) \ |
| OOP_OOP_ITERATE_DEFN_BOUNDED( ObjArrayKlass, OopClosureType, nv_suffix) \ |
| OOP_OOP_ITERATE_DEFN_RANGE( ObjArrayKlass, OopClosureType, nv_suffix) \ |
| OOP_OOP_ITERATE_DEFN_NO_BACKWARDS(ObjArrayKlass, OopClosureType, nv_suffix) |
| |
| #endif // SHARE_VM_OOPS_OBJARRAYKLASS_INLINE_HPP |