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src/share/vm/classfile/javaAssertions.hpp@ede380e13960 (annotated)

src/share/vm/classfile/javaAssertions.hpp

Tue, 02 Apr 2013 11:28:33 +0200

author

mgerdin

date

Tue, 02 Apr 2013 11:28:33 +0200

changeset 4850

ede380e13960

parent 4153

b9a9ed0f8eeb

child 6876

710a3c8b516e

permissions

-rw-r--r--

8009763: Add WB test for String.intern()
Summary: Add convenience method in StringTable, add WhiteBox method and simple sanity test
Reviewed-by: mgerdin, zgu
Contributed-by: leonid.mesnik@oracle.com

duke@435	1	/*
mikael@4153	2	* Copyright (c) 2000, 2012, 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_CLASSFILE_JAVAASSERTIONS_HPP
stefank@2314	26	#define SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP
stefank@2314	27
stefank@2314	28	#include "oops/objArrayOop.hpp"
stefank@2314	29	#include "oops/typeArrayOop.hpp"
stefank@2314	30	#include "utilities/exceptions.hpp"
stefank@2314	31	#include "utilities/ostream.hpp"
stefank@2314	32
duke@435	33	class JavaAssertions: AllStatic {
duke@435	34	public:
duke@435	35	static inline bool userClassDefault();
duke@435	36	static inline void setUserClassDefault(bool enabled);
duke@435	37	static inline bool systemClassDefault();
duke@435	38	static inline void setSystemClassDefault(bool enabled);
duke@435	39
duke@435	40	// Add a command-line option. A name ending in "..." applies to a package and
duke@435	41	// any subpackages; other names apply to a single class.
duke@435	42	static void addOption(const char* name, bool enable);
duke@435	43
duke@435	44	// Return true if command-line options have enabled assertions for the named
duke@435	45	// class. Should be called only after all command-line options have been
duke@435	46	// processed. Note: this only consults command-line options and does not
duke@435	47	// account for any dynamic changes to assertion status.
duke@435	48	static bool enabled(const char* classname, bool systemClass);
duke@435	49
duke@435	50	// Create an instance of java.lang.AssertionStatusDirectives and fill in the
duke@435	51	// fields based on the command-line assertion options.
duke@435	52	static oop createAssertionStatusDirectives(TRAPS);
duke@435	53
duke@435	54	private:
duke@435	55	class OptionList;
duke@435	56	static void fillJavaArrays(const OptionList* p, int len, objArrayHandle names,
duke@435	57	typeArrayHandle status, TRAPS);
duke@435	58
duke@435	59	static inline void trace(const char* name, const char* typefound,
duke@435	60	const char* namefound, bool enabled);
duke@435	61
duke@435	62	static inline OptionList* match_class(const char* classname);
duke@435	63	static OptionList* match_package(const char* classname);
duke@435	64
duke@435	65	static bool _userDefault; // User class default (-ea/-da).
duke@435	66	static bool _sysDefault; // System class default (-esa/-dsa).
duke@435	67	static OptionList* _classes; // Options for classes.
duke@435	68	static OptionList* _packages; // Options for package trees.
duke@435	69	};
duke@435	70
zgu@3900	71	class JavaAssertions::OptionList: public CHeapObj<mtClass> {
duke@435	72	public:
duke@435	73	inline OptionList(const char* name, bool enable, OptionList* next);
duke@435	74
duke@435	75	inline const char* name() const { return _name; }
duke@435	76	inline bool enabled() const { return _enabled; }
duke@435	77	inline OptionList* next() const { return _next; }
duke@435	78
duke@435	79	static int count(OptionList* p);
duke@435	80
duke@435	81	private:
duke@435	82	const char* _name;
duke@435	83	OptionList* _next;
duke@435	84	bool _enabled;
duke@435	85	};
duke@435	86
duke@435	87	inline bool JavaAssertions::userClassDefault() {
duke@435	88	return _userDefault;
duke@435	89	}
duke@435	90
duke@435	91	inline void JavaAssertions::setUserClassDefault(bool enabled) {
duke@435	92	if (TraceJavaAssertions)
duke@435	93	tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);
duke@435	94	_userDefault = enabled;
duke@435	95	}
duke@435	96
duke@435	97	inline bool JavaAssertions::systemClassDefault() {
duke@435	98	return _sysDefault;
duke@435	99	}
duke@435	100
duke@435	101	inline void JavaAssertions::setSystemClassDefault(bool enabled) {
duke@435	102	if (TraceJavaAssertions)
duke@435	103	tty->print_cr("JavaAssertions::setSystemClassDefault(%d)", enabled);
duke@435	104	_sysDefault = enabled;
duke@435	105	}
stefank@2314	106
stefank@2314	107	#endif // SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP