| /* |
| * Copyright (c) 2018, 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_ZTHREADLOCALDATA_HPP |
| #define SHARE_GC_Z_ZTHREADLOCALDATA_HPP |
| |
| #include "gc/z/zMarkStack.hpp" |
| #include "runtime/thread.hpp" |
| #include "utilities/debug.hpp" |
| #include "utilities/sizes.hpp" |
| |
| class ZThreadLocalData { |
| private: |
| uintptr_t _address_bad_mask; |
| ZMarkThreadLocalStacks _stacks; |
| |
| ZThreadLocalData() : |
| _address_bad_mask(0), |
| _stacks() {} |
| |
| static ZThreadLocalData* data(Thread* thread) { |
| return thread->gc_data<ZThreadLocalData>(); |
| } |
| |
| public: |
| static void create(Thread* thread) { |
| new (data(thread)) ZThreadLocalData(); |
| } |
| |
| static void destroy(Thread* thread) { |
| data(thread)->~ZThreadLocalData(); |
| } |
| |
| static void set_address_bad_mask(Thread* thread, uintptr_t mask) { |
| data(thread)->_address_bad_mask = mask; |
| } |
| |
| static ZMarkThreadLocalStacks* stacks(Thread* thread) { |
| return &data(thread)->_stacks; |
| } |
| |
| static ByteSize address_bad_mask_offset() { |
| return Thread::gc_data_offset() + byte_offset_of(ZThreadLocalData, _address_bad_mask); |
| } |
| }; |
| |
| #endif // SHARE_GC_Z_ZTHREADLOCALDATA_HPP |