Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/interpreter/bytecodeTracer.hpp@f90c822e73f8 (annotated)
src/share/vm/interpreter/bytecodeTracer.hpp
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
| aoqi@0 | 26 | #define SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "memory/allocation.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | // The BytecodeTracer is a helper class used by the interpreter for run-time |
| aoqi@0 | 31 | // bytecode tracing. If bytecode tracing is turned on, trace() will be called |
| aoqi@0 | 32 | // for each bytecode. |
| aoqi@0 | 33 | // |
| aoqi@0 | 34 | // By specialising the BytecodeClosure, all kinds of bytecode traces can |
| aoqi@0 | 35 | // be done. |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | #ifndef PRODUCT |
| aoqi@0 | 38 | // class BytecodeTracer is only used by TraceBytecodes option |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | class BytecodeClosure; |
| aoqi@0 | 41 | class BytecodeTracer: AllStatic { |
| aoqi@0 | 42 | private: |
| aoqi@0 | 43 | static BytecodeClosure* _closure; |
| aoqi@0 | 44 | |
| aoqi@0 | 45 | public: |
| aoqi@0 | 46 | static BytecodeClosure* std_closure(); // a printing closure |
| aoqi@0 | 47 | static BytecodeClosure* closure() { return _closure; } |
| aoqi@0 | 48 | static void set_closure(BytecodeClosure* closure) { _closure = closure; } |
| aoqi@0 | 49 | |
| aoqi@0 | 50 | static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty); |
| aoqi@0 | 51 | static void trace(methodHandle method, address bcp, outputStream* st = tty); |
| aoqi@0 | 52 | }; |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | // For each bytecode, a BytecodeClosure's trace() routine will be called. |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | class BytecodeClosure { |
| aoqi@0 | 58 | public: |
| aoqi@0 | 59 | virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0; |
| aoqi@0 | 60 | virtual void trace(methodHandle method, address bcp, outputStream* st) = 0; |
| aoqi@0 | 61 | }; |
| aoqi@0 | 62 | |
| aoqi@0 | 63 | #endif // !PRODUCT |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | #endif // SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
