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src/cpu/zero/vm/sharkFrame_zero.hpp@8e7adf982378 (annotated)

src/cpu/zero/vm/sharkFrame_zero.hpp

Fri, 27 Nov 2009 07:56:58 -0800

author

twisti

date

Fri, 27 Nov 2009 07:56:58 -0800

changeset 1513

8e7adf982378

parent 1445

354d3184f6b2

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6896043: first round of zero fixes
Reviewed-by: kvn
Contributed-by: Gary Benson <gbenson@redhat.com>

never@1445	1	/*
never@1445	2	* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
twisti@1513	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	// | ... |
never@1445	27	// +--------------------+ ------------------
never@1445	28	// | stack slot n-1 | low addresses
never@1445	29	// | ... |
never@1445	30	// | stack slot 0 |
never@1445	31	// | monitor m-1 |
never@1445	32	// | ... |
never@1445	33	// | monitor 0 |
never@1445	34	// | oop_tmp |
never@1445	35	// | method |
never@1445	36	// | unextended_sp |
never@1445	37	// | pc |
never@1445	38	// | frame_type |
never@1445	39	// | next_frame | high addresses
never@1445	40	// +--------------------+ ------------------
never@1445	41	// | ... |
never@1445	42
never@1445	43	class SharkFrame : public ZeroFrame {
twisti@1513	44	friend class SharkStack;
never@1445	45
never@1445	46	private:
never@1445	47	SharkFrame() : ZeroFrame() {
never@1445	48	ShouldNotCallThis();
never@1445	49	}
never@1445	50
never@1445	51	protected:
never@1445	52	enum Layout {
never@1445	53	pc_off = jf_header_words,
never@1445	54	unextended_sp_off,
never@1445	55	method_off,
never@1445	56	oop_tmp_off,
never@1445	57	header_words
never@1445	58	};
never@1445	59
never@1445	60	public:
never@1445	61	address pc() const {
never@1445	62	return (address) value_of_word(pc_off);
never@1445	63	}
never@1445	64
never@1445	65	intptr_t* unextended_sp() const {
never@1445	66	return (intptr_t *) value_of_word(unextended_sp_off);
never@1445	67	}
never@1445	68
never@1445	69	methodOop method() const {
never@1445	70	return (methodOop) value_of_word(method_off);
never@1445	71	}
never@1445	72
never@1445	73	public:
never@1445	74	void identify_word(int frame_index,
never@1445	75	int offset,
never@1445	76	char* fieldbuf,
never@1445	77	char* valuebuf,
never@1445	78	int buflen) const;
never@1445	79	};