| /* |
| * Copyright (c) 2017, 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_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEDESCRIPTION_HPP |
| #define SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEDESCRIPTION_HPP |
| |
| #define OBJECT_SAMPLE_DESCRIPTION_BUFFER_SIZE 100 |
| |
| #include "memory/allocation.hpp" |
| |
| class outputStream; |
| |
| class ObjectDescriptionBuilder : public StackObj { |
| private: |
| char _buffer[OBJECT_SAMPLE_DESCRIPTION_BUFFER_SIZE]; |
| size_t _index; |
| |
| public: |
| ObjectDescriptionBuilder(); |
| |
| void write_text(const char* text); |
| void write_int(jint value); |
| void reset(); |
| |
| void print_description(outputStream* out); |
| const char* description(); |
| }; |
| |
| class ObjectSampleDescription : public StackObj { |
| private: |
| ObjectDescriptionBuilder _description; |
| oop _object; |
| |
| void write_text(const char* text); |
| void write_int(jint value); |
| |
| void write_object_details(); |
| void write_size(jint size); |
| void write_thread_name(); |
| void write_thread_group_name(); |
| void write_class_name(); |
| void write_object_to_buffer(); |
| bool is_class(Symbol* s1, const char* s2); |
| void ensure_initialized(); |
| bool read_int_size(jint* result); |
| |
| public: |
| ObjectSampleDescription(oop object); |
| void print_description(outputStream* out); |
| const char* description(); |
| }; |
| |
| #endif // SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEDESCRIPTION_HPP |