59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
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/*
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* Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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// The BytecodeTracer is a helper class used by the interpreter for run-time
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// bytecode tracing. If bytecode tracing is turned on, trace() will be called
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// for each bytecode.
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//
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// By specialising the BytecodeClosure, all kinds of bytecode traces can
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// be done.
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#ifndef PRODUCT
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// class BytecodeTracer is only used by TraceBytecodes option
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class BytecodeClosure;
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class BytecodeTracer: AllStatic {
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private:
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static BytecodeClosure* _closure;
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public:
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static BytecodeClosure* std_closure(); // a printing closure
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static BytecodeClosure* closure() { return _closure; }
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static void set_closure(BytecodeClosure* closure) { _closure = closure; }
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static void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st = tty);
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static void trace(methodHandle method, address bcp, outputStream* st = tty);
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};
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// For each bytecode, a BytecodeClosure's trace() routine will be called.
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class BytecodeClosure {
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public:
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virtual void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) = 0;
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virtual void trace(methodHandle method, address bcp, outputStream* st) = 0;
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};
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#endif // !PRODUCT
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