hotspot/src/share/vm/memory/universe.inline.hpp
author jmasa
Tue, 06 Jan 2009 07:05:05 -0800
changeset 1893 c82e388e17c5
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6689653: JMapPerm fails with UseConcMarkSweepIncGC and compressed oops off Summary: Added safe_object_iterate() for use by JMapPerm. Reviewed-by: tonyp

/*
 * Copyright 1997-2003 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 */

// Check whether an element of a typeArrayOop with the given type must be
// aligned 0 mod 8.  The typeArrayOop itself must be aligned at least this
// strongly.

inline bool Universe::element_type_should_be_aligned(BasicType type) {
  return type == T_DOUBLE || type == T_LONG;
}

// Check whether an object field (static/non-static) of the given type must be aligned 0 mod 8.

inline bool Universe::field_type_should_be_aligned(BasicType type) {
  return type == T_DOUBLE || type == T_LONG;
}