| /* |
| * Copyright (c) 2015, 2019, 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_GC_Z_ZBARRIERSET_HPP |
| #define SHARE_GC_Z_ZBARRIERSET_HPP |
| |
| #include "gc/shared/barrierSet.hpp" |
| |
| class ZBarrierSetAssembler; |
| |
| class ZBarrierSet : public BarrierSet { |
| public: |
| ZBarrierSet(); |
| |
| static ZBarrierSetAssembler* assembler(); |
| static bool barrier_needed(DecoratorSet decorators, BasicType type); |
| |
| virtual void on_thread_create(Thread* thread); |
| virtual void on_thread_destroy(Thread* thread); |
| virtual void on_thread_attach(Thread* thread); |
| virtual void on_thread_detach(Thread* thread); |
| |
| virtual void print_on(outputStream* st) const {} |
| |
| template <DecoratorSet decorators, typename BarrierSetT = ZBarrierSet> |
| class AccessBarrier : public BarrierSet::AccessBarrier<decorators, BarrierSetT> { |
| private: |
| typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw; |
| |
| template <DecoratorSet expected> |
| static void verify_decorators_present(); |
| |
| template <DecoratorSet expected> |
| static void verify_decorators_absent(); |
| |
| static oop* field_addr(oop base, ptrdiff_t offset); |
| |
| template <typename T> |
| static oop load_barrier_on_oop_field_preloaded(T* addr, oop o); |
| |
| template <typename T> |
| static oop load_barrier_on_unknown_oop_field_preloaded(oop base, ptrdiff_t offset, T* addr, oop o); |
| |
| public: |
| // |
| // In heap |
| // |
| template <typename T> |
| static oop oop_load_in_heap(T* addr); |
| static oop oop_load_in_heap_at(oop base, ptrdiff_t offset); |
| |
| template <typename T> |
| static oop oop_atomic_cmpxchg_in_heap(oop new_value, T* addr, oop compare_value); |
| static oop oop_atomic_cmpxchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset, oop compare_value); |
| |
| template <typename T> |
| static oop oop_atomic_xchg_in_heap(oop new_value, T* addr); |
| static oop oop_atomic_xchg_in_heap_at(oop new_value, oop base, ptrdiff_t offset); |
| |
| template <typename T> |
| static bool oop_arraycopy_in_heap(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw, |
| arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, |
| size_t length); |
| |
| static void clone_in_heap(oop src, oop dst, size_t size); |
| |
| // |
| // Not in heap |
| // |
| template <typename T> |
| static oop oop_load_not_in_heap(T* addr); |
| |
| template <typename T> |
| static oop oop_atomic_cmpxchg_not_in_heap(oop new_value, T* addr, oop compare_value); |
| |
| template <typename T> |
| static oop oop_atomic_xchg_not_in_heap(oop new_value, T* addr); |
| }; |
| }; |
| |
| template<> struct BarrierSet::GetName<ZBarrierSet> { |
| static const BarrierSet::Name value = BarrierSet::ZBarrierSet; |
| }; |
| |
| template<> struct BarrierSet::GetType<BarrierSet::ZBarrierSet> { |
| typedef ::ZBarrierSet type; |
| }; |
| |
| #endif // SHARE_GC_Z_ZBARRIERSET_HPP |