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src/cpu/zero/vm/entry_zero.hpp@354d3184f6b2 (annotated)

src/cpu/zero/vm/entry_zero.hpp

Tue, 13 Oct 2009 12:04:21 -0700

author

never

date

Tue, 13 Oct 2009 12:04:21 -0700

changeset 1445

354d3184f6b2

child 1869

22af4ce8dba1

permissions

-rw-r--r--

6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com

never@1445	1	/*
never@1445	2	* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
never@1445	3	* Copyright 2008, 2009 Red Hat, Inc.
never@1445	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445	5	*
never@1445	6	* This code is free software; you can redistribute it and/or modify it
never@1445	7	* under the terms of the GNU General Public License version 2 only, as
never@1445	8	* published by the Free Software Foundation.
never@1445	9	*
never@1445	10	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1445	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1445	13	* version 2 for more details (a copy is included in the LICENSE file that
never@1445	14	* accompanied this code).
never@1445	15	*
never@1445	16	* You should have received a copy of the GNU General Public License version
never@1445	17	* 2 along with this work; if not, write to the Free Software Foundation,
never@1445	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445	19	*
never@1445	20	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
never@1445	21	* CA 95054 USA or visit www.sun.com if you need additional information or
never@1445	22	* have any questions.
never@1445	23	*
never@1445	24	*/
never@1445	25
never@1445	26	class ZeroEntry {
never@1445	27	public:
never@1445	28	ZeroEntry() {
never@1445	29	ShouldNotCallThis();
never@1445	30	}
never@1445	31
never@1445	32	private:
never@1445	33	address _entry_point;
never@1445	34
never@1445	35	public:
never@1445	36	address entry_point() const {
never@1445	37	return _entry_point;
never@1445	38	}
never@1445	39	void set_entry_point(address entry_point) {
never@1445	40	_entry_point = entry_point;
never@1445	41	}
never@1445	42
never@1445	43	private:
never@1445	44	typedef void (*NormalEntryFunc)(methodOop method,
never@1445	45	intptr_t base_pc,
never@1445	46	TRAPS);
never@1445	47	typedef void (*OSREntryFunc)(methodOop method,
never@1445	48	address osr_buf,
never@1445	49	intptr_t base_pc,
never@1445	50	TRAPS);
never@1445	51
never@1445	52	public:
never@1445	53	void invoke(methodOop method, TRAPS) const {
never@1445	54	((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD);
never@1445	55	}
never@1445	56	void invoke_osr(methodOop method, address osr_buf, TRAPS) const {
never@1445	57	((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD);
never@1445	58	}
never@1445	59
never@1445	60	public:
never@1445	61	static ByteSize entry_point_offset() {
never@1445	62	return byte_offset_of(ZeroEntry, _entry_point);
never@1445	63	}
never@1445	64	};