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src/share/vm/interpreter/bytecodeTracer.hpp@f08d439fab8c (annotated)

src/share/vm/interpreter/bytecodeTracer.hpp

Sun, 25 Sep 2011 16:03:29 -0700

author

never

date

Sun, 25 Sep 2011 16:03:29 -0700

changeset 3156

f08d439fab8c

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

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