• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/oops/objArrayOop.hpp@75b0f3cb1943 (annotated)

src/share/vm/oops/objArrayOop.hpp

Thu, 13 Mar 2008 14:17:48 -0700

author

dcubed

date

Thu, 13 Mar 2008 14:17:48 -0700

changeset 487

75b0f3cb1943

parent 435

a61af66fc99e

child 548

ba764ed4b6f2

permissions

-rw-r--r--

Merge

duke@435	1	/*
duke@435	2	* Copyright 1997-2003 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	// An objArrayOop is an array containing oops.
duke@435	26	// Evaluating "String arg[10]" will create an objArrayOop.
duke@435	27
duke@435	28	class objArrayOopDesc : public arrayOopDesc {
duke@435	29	public:
duke@435	30	// Accessing
duke@435	31	oop obj_at(int index) const { return *obj_at_addr(index); }
duke@435	32	void obj_at_put(int index, oop value) { oop_store(obj_at_addr(index), value); }
duke@435	33	oop* base() const { return (oop*) arrayOopDesc::base(T_OBJECT); }
duke@435	34
duke@435	35	// Sizing
duke@435	36	static int header_size() { return arrayOopDesc::header_size(T_OBJECT); }
duke@435	37	static int object_size(int length) { return align_object_size(header_size() + length); }
duke@435	38	int object_size() { return object_size(length()); }
duke@435	39
duke@435	40	// Returns the address of the index'th element
duke@435	41	oop* obj_at_addr(int index) const {
duke@435	42	assert(is_within_bounds(index), "index out of bounds");
duke@435	43	return &base()[index];
duke@435	44	}
duke@435	45	};