Wed, 03 Jul 2013 11:50:29 -0700
Merge
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
stefank@2314 | 26 | #define SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "memory/allocation.hpp" |
stefank@2314 | 29 | |
duke@435 | 30 | // The BytecodeTracer is a helper class used by the interpreter for run-time |
duke@435 | 31 | // bytecode tracing. If bytecode tracing is turned on, trace() will be called |
duke@435 | 32 | // for each bytecode. |
duke@435 | 33 | // |
duke@435 | 34 | // By specialising the BytecodeClosure, all kinds of bytecode traces can |
duke@435 | 35 | // be done. |
duke@435 | 36 | |
duke@435 | 37 | #ifndef PRODUCT |
duke@435 | 38 | // class BytecodeTracer is only used by TraceBytecodes option |
duke@435 | 39 | |
duke@435 | 40 | class BytecodeClosure; |
duke@435 | 41 | class BytecodeTracer: AllStatic { |
duke@435 | 42 | private: |
duke@435 | 43 | static BytecodeClosure* _closure; |
duke@435 | 44 | |
duke@435 | 45 | public: |
duke@435 | 46 | static BytecodeClosure* std_closure(); // a printing closure |
duke@435 | 47 | static BytecodeClosure* closure() { return _closure; } |
duke@435 | 48 | static void set_closure(BytecodeClosure* closure) { _closure = closure; } |
duke@435 | 49 | |
duke@435 | 50 | static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty); |
duke@435 | 51 | static void trace(methodHandle method, address bcp, outputStream* st = tty); |
duke@435 | 52 | }; |
duke@435 | 53 | |
duke@435 | 54 | |
duke@435 | 55 | // For each bytecode, a BytecodeClosure's trace() routine will be called. |
duke@435 | 56 | |
duke@435 | 57 | class BytecodeClosure { |
duke@435 | 58 | public: |
duke@435 | 59 | virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0; |
duke@435 | 60 | virtual void trace(methodHandle method, address bcp, outputStream* st) = 0; |
duke@435 | 61 | }; |
duke@435 | 62 | |
duke@435 | 63 | #endif // !PRODUCT |
stefank@2314 | 64 | |
stefank@2314 | 65 | #endif // SHARE_VM_INTERPRETER_BYTECODETRACER_HPP |