Tue, 23 Nov 2010 13:22:55 -0800
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_LIVERANGE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_LIVERANGE_HPP
28 #include "memory/memRegion.hpp"
29 #include "utilities/copy.hpp"
31 // This is a shared helper class used during phase 3 and 4 to move all the objects
32 // Dead regions in a Space are linked together to keep track of the live regions
33 // so that the live data can be traversed quickly without having to look at each
34 // object.
36 class LiveRange: public MemRegion {
37 public:
38 LiveRange(HeapWord* bottom, HeapWord* top): MemRegion(bottom, top) {}
40 void set_end(HeapWord* e) {
41 assert(e >= start(), "should be a non-zero range");
42 MemRegion::set_end(e);
43 }
44 void set_word_size(size_t ws) {
45 assert(ws >= 0, "should be a non-zero range");
46 MemRegion::set_word_size(ws);
47 }
49 LiveRange * next() { return (LiveRange *) end(); }
51 void move_to(HeapWord* destination) {
52 Copy::aligned_conjoint_words(start(), destination, word_size());
53 }
54 };
56 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_LIVERANGE_HPP