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src/cpu/sparc/vm/interpreterGenerator_sparc.hpp@660978a2a31a (annotated)

src/cpu/sparc/vm/interpreterGenerator_sparc.hpp

Thu, 12 Mar 2009 10:37:46 -0700

author

kvn

date

Thu, 12 Mar 2009 10:37:46 -0700

changeset 1077

660978a2a31a

parent 435

a61af66fc99e

child 1145

e5b0439ef4ae

permissions

-rw-r--r--

6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

duke@435	1	/*
duke@435	2	* Copyright 1997-2007 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	friend class AbstractInterpreterGenerator;
duke@435	26
duke@435	27	private:
duke@435	28
duke@435	29	address generate_normal_entry(bool synchronized);
duke@435	30	address generate_native_entry(bool synchronized);
duke@435	31	address generate_abstract_entry(void);
duke@435	32	address generate_math_entry(AbstractInterpreter::MethodKind kind);
duke@435	33	address generate_empty_entry(void);
duke@435	34	address generate_accessor_entry(void);
duke@435	35	void lock_method(void);
duke@435	36	void save_native_result(void);
duke@435	37	void restore_native_result(void);
duke@435	38
duke@435	39	void generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue);
duke@435	40	void generate_counter_overflow(Label& Lcontinue);