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src/cpu/zero/vm/registerMap_zero.hpp@b6f06e395428 (annotated)

src/cpu/zero/vm/registerMap_zero.hpp

Tue, 05 Jan 2010 11:14:54 -0800

author

never

date

Tue, 05 Jan 2010 11:14:54 -0800

changeset 1574

b6f06e395428

parent 1445

354d3184f6b2

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6908267: Zero fails to unlock synchronized native methods on exception
Reviewed-by: never
Contributed-by: Gary Benson <gbenson@redhat.com>

never@1445	1	/*
never@1445	2	* Copyright 1998-2007 Sun Microsystems, Inc. All Rights Reserved.
never@1445	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	4	*
never@1445	5	* This code is free software; you can redistribute it and/or modify it
never@1445	6	* under the terms of the GNU General Public License version 2 only, as
never@1445	7	* published by the Free Software Foundation.
never@1445	8	*
never@1445	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	12	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	13	* accompanied this code).
never@1445	14	*
never@1445	15	* You should have received a copy of the GNU General Public License version
never@1445	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	18	*
never@1445	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
never@1445	20	* CA 95054 USA or visit www.sun.com if you need additional information or
never@1445	21	* have any questions.
never@1445	22	*
never@1445	23	*/
never@1445	24
never@1445	25	// machine-dependent implemention for register maps
never@1445	26	friend class frame;
never@1445	27
never@1445	28	private:
never@1445	29	// This is the hook for finding a register in an "well-known" location,
never@1445	30	// such as a register block of a predetermined format.
never@1445	31	// Since there is none, we just return NULL.
never@1445	32	// See registerMap_sparc.hpp for an example of grabbing registers
never@1445	33	// from register save areas of a standard layout.
never@1445	34	address pd_location(VMReg reg) const { return NULL; }
never@1445	35
never@1445	36	// no PD state to clear or copy:
never@1445	37	void pd_clear() {}
never@1445	38	void pd_initialize() {}
never@1445	39	void pd_initialize_from(const RegisterMap* map) {}