Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/shared/liveRange.hpp @ 1751:2528b5bd749c
6980262: Memory leak when exception is thrown in static initializer
Summary: Use resource memory instead of c-heap for the exception message
Reviewed-by: phh, jmasa
author | kamg |
---|---|
date | Fri, 27 Aug 2010 15:05:28 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 2001, 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ // This is a shared helper class used during phase 3 and 4 to move all the objects // Dead regions in a Space are linked together to keep track of the live regions // so that the live data can be traversed quickly without having to look at each // object. class LiveRange: public MemRegion { public: LiveRange(HeapWord* bottom, HeapWord* top): MemRegion(bottom, top) {} void set_end(HeapWord* e) { assert(e >= start(), "should be a non-zero range"); MemRegion::set_end(e); } void set_word_size(size_t ws) { assert(ws >= 0, "should be a non-zero range"); MemRegion::set_word_size(ws); } LiveRange * next() { return (LiveRange *) end(); } void move_to(HeapWord* destination) { Copy::aligned_conjoint_words(start(), destination, word_size()); } };