Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/jfr/writers/jfrPosition.hpp@db357034b763 (annotated)
src/share/vm/jfr/writers/jfrPosition.hpp
Tue, 16 Jun 2020 11:03:04 +0800
- author
- bulasevich
- date
- Tue, 16 Jun 2020 11:03:04 +0800
- changeset 9947
- db357034b763
- parent 9858
- b985cbb00e68
- permissions
- -rw-r--r--
8217647: JFR: recordings on 32-bit systems unreadable
Reviewed-by: egahlin
Contributed-by: boris.ulasevich@bell-sw.com, markus.gronlund@oracle.com
| apetushkov@9858 | 1 | /* |
| apetushkov@9858 | 2 | * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
| apetushkov@9858 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| apetushkov@9858 | 4 | * |
| apetushkov@9858 | 5 | * This code is free software; you can redistribute it and/or modify it |
| apetushkov@9858 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| apetushkov@9858 | 7 | * published by the Free Software Foundation. |
| apetushkov@9858 | 8 | * |
| apetushkov@9858 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| apetushkov@9858 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| apetushkov@9858 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| apetushkov@9858 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| apetushkov@9858 | 13 | * accompanied this code). |
| apetushkov@9858 | 14 | * |
| apetushkov@9858 | 15 | * You should have received a copy of the GNU General Public License version |
| apetushkov@9858 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| apetushkov@9858 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| apetushkov@9858 | 18 | * |
| apetushkov@9858 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| apetushkov@9858 | 20 | * or visit www.oracle.com if you need additional information or have any |
| apetushkov@9858 | 21 | * questions. |
| apetushkov@9858 | 22 | * |
| apetushkov@9858 | 23 | */ |
| apetushkov@9858 | 24 | |
| apetushkov@9858 | 25 | #ifndef SHARE_VM_JFR_WRITERS_JFRPOSITION_HPP |
| apetushkov@9858 | 26 | #define SHARE_VM_JFR_WRITERS_JFRPOSITION_HPP |
| apetushkov@9858 | 27 | |
| apetushkov@9858 | 28 | #include "utilities/debug.hpp" |
| apetushkov@9858 | 29 | #include "utilities/globalDefinitions.hpp" |
| apetushkov@9858 | 30 | |
| apetushkov@9858 | 31 | template <typename AP> // AllocationPolicy |
| apetushkov@9858 | 32 | class Position : public AP { |
| apetushkov@9858 | 33 | private: |
| apetushkov@9858 | 34 | const u1* _start_pos; // logical start |
| apetushkov@9858 | 35 | u1* _current_pos; |
| apetushkov@9858 | 36 | const u1* _end_pos; |
| apetushkov@9858 | 37 | |
| apetushkov@9858 | 38 | protected: |
| apetushkov@9858 | 39 | const u1* start_pos() const; |
| apetushkov@9858 | 40 | void set_start_pos(const u1* position); |
| apetushkov@9858 | 41 | u1* current_pos(); |
| apetushkov@9858 | 42 | void set_current_pos(const u1* new_position); |
| apetushkov@9858 | 43 | void set_current_pos(size_t size); |
| apetushkov@9858 | 44 | const u1* end_pos() const; |
| apetushkov@9858 | 45 | void set_end_pos(const u1* position); |
| apetushkov@9858 | 46 | Position(const u1* start_pos, size_t size); |
| apetushkov@9858 | 47 | Position(); |
| apetushkov@9858 | 48 | |
| apetushkov@9858 | 49 | public: |
| apetushkov@9858 | 50 | size_t available_size() const; |
| bulasevich@9947 | 51 | int64_t used_offset() const; |
| bulasevich@9947 | 52 | int64_t current_offset() const; |
| apetushkov@9858 | 53 | size_t used_size() const; |
| apetushkov@9858 | 54 | void reset(); |
| apetushkov@9858 | 55 | }; |
| apetushkov@9858 | 56 | |
| apetushkov@9858 | 57 | #endif // SHARE_VM_JFR_WRITERS_JFRPOSITION_HPP |
