| /* |
| * Copyright (c) 2011, 2021, 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_RECORDER_STACKTRACE_JFRSTACKTRACE_HPP |
| #define SHARE_JFR_RECORDER_STACKTRACE_JFRSTACKTRACE_HPP |
| |
| #include "jfr/utilities/jfrAllocation.hpp" |
| #include "jfr/utilities/jfrTypes.hpp" |
| |
| class frame; |
| class JavaThread; |
| class JfrCheckpointWriter; |
| class JfrChunkWriter; |
| class Method; |
| |
| class JfrStackFrame { |
| friend class ObjectSampleCheckpoint; |
| private: |
| const Method* _method; |
| traceid _methodid; |
| mutable int _line; |
| int _bci; |
| u1 _type; |
| |
| public: |
| JfrStackFrame(const traceid& id, int bci, int type, int lineno, const Method* method); |
| JfrStackFrame(const traceid& id, int bci, int type, const Method* method); |
| JfrStackFrame(const traceid& id, int bci, int type, int lineno); |
| |
| bool equals(const JfrStackFrame& rhs) const; |
| void write(JfrChunkWriter& cw) const; |
| void write(JfrCheckpointWriter& cpw) const; |
| void resolve_lineno() const; |
| |
| enum { |
| FRAME_INTERPRETER = 0, |
| FRAME_JIT, |
| FRAME_INLINE, |
| FRAME_NATIVE, |
| NUM_FRAME_TYPES |
| }; |
| }; |
| |
| class JfrStackTrace : public JfrCHeapObj { |
| friend class JfrNativeSamplerCallback; |
| friend class JfrStackTraceRepository; |
| friend class ObjectSampleCheckpoint; |
| friend class ObjectSampler; |
| friend class OSThreadSampler; |
| friend class StackTraceResolver; |
| private: |
| const JfrStackTrace* _next; |
| JfrStackFrame* _frames; |
| traceid _id; |
| unsigned int _hash; |
| u4 _nr_of_frames; |
| u4 _max_frames; |
| bool _frames_ownership; |
| bool _reached_root; |
| mutable bool _lineno; |
| mutable bool _written; |
| |
| const JfrStackTrace* next() const { return _next; } |
| |
| bool should_write() const { return !_written; } |
| void write(JfrChunkWriter& cw) const; |
| void write(JfrCheckpointWriter& cpw) const; |
| bool equals(const JfrStackTrace& rhs) const; |
| |
| void set_id(traceid id) { _id = id; } |
| void set_nr_of_frames(u4 nr_of_frames) { _nr_of_frames = nr_of_frames; } |
| void set_hash(unsigned int hash) { _hash = hash; } |
| void set_reached_root(bool reached_root) { _reached_root = reached_root; } |
| void resolve_linenos() const; |
| |
| bool record_thread(JavaThread& thread, frame& frame); |
| bool record_safe(JavaThread* thread, int skip); |
| |
| bool have_lineno() const { return _lineno; } |
| bool full_stacktrace() const { return _reached_root; } |
| |
| JfrStackTrace(traceid id, const JfrStackTrace& trace, const JfrStackTrace* next); |
| JfrStackTrace(JfrStackFrame* frames, u4 max_frames); |
| ~JfrStackTrace(); |
| |
| public: |
| unsigned int hash() const { return _hash; } |
| traceid id() const { return _id; } |
| }; |
| |
| #endif // SHARE_JFR_RECORDER_STACKTRACE_JFRSTACKTRACE_HPP |