0N/A/*
1879N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
1879N/A#ifndef SHARE_VM_INTERPRETER_BYTECODETRACER_HPP
1879N/A#define SHARE_VM_INTERPRETER_BYTECODETRACER_HPP
1879N/A
1879N/A#include "memory/allocation.hpp"
1879N/A
0N/A// The BytecodeTracer is a helper class used by the interpreter for run-time
1739N/A// bytecode tracing. If bytecode tracing is turned on, trace() will be called
1739N/A// for each bytecode.
1739N/A//
1739N/A// By specialising the BytecodeClosure, all kinds of bytecode traces can
1739N/A// be done.
1739N/A
1739N/A#ifndef PRODUCT
1739N/A// class BytecodeTracer is only used by TraceBytecodes option
1739N/A
1739N/Aclass BytecodeClosure;
1739N/Aclass BytecodeTracer: AllStatic {
0N/A private:
0N/A static BytecodeClosure* _closure;
1739N/A
1739N/A public:
1739N/A static BytecodeClosure* std_closure(); // a printing closure
1739N/A static BytecodeClosure* closure() { return _closure; }
0N/A static void set_closure(BytecodeClosure* closure) { _closure = closure; }
0N/A
0N/A static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty);
0N/A static void trace(methodHandle method, address bcp, outputStream* st = tty);
0N/A};
0N/A
0N/A
0N/A// For each bytecode, a BytecodeClosure's trace() routine will be called.
0N/A
0N/Aclass BytecodeClosure {
1739N/A public:
0N/A virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0;
0N/A virtual void trace(methodHandle method, address bcp, outputStream* st) = 0;
0N/A};
0N/A
1504N/A#endif // !PRODUCT
0N/A
1739N/A#endif // SHARE_VM_INTERPRETER_BYTECODETRACER_HPP
1739N/A