/* * Copyright (c) 2019, 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. *
*/
// A closure class for processing card table entries. Note that we don't // require these closure objects to be stack-allocated. class G1CardTableEntryClosure: public CHeapObj<mtGC> { public: typedef CardTable::CardValue CardValue;
// Process the card whose card table entry is "card_ptr". virtualvoid do_card_ptr(CardValue* card_ptr, uint worker_id) = 0;
// Process all the card_ptrs in node. void apply_to_buffer(BufferNode* node, size_t buffer_size, uint worker_id) { void** buffer = BufferNode::make_buffer_from_node(node); for (size_t i = node->index(); i < buffer_size; ++i) {
CardValue* card_ptr = static_cast<CardValue*>(buffer[i]);
do_card_ptr(card_ptr, worker_id);
}
}
};
#endif// SHARE_GC_G1_G1CARDTABLEENTRYCLOSURE_HPP
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