/* * Copyright (c) 2015, 2022, 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. *
*/
template <typename T> void G1CodeBlobClosure::HeapRegionGatheringOopClosure::do_oop_work(T* p) {
_work->do_oop(p);
T oop_or_narrowoop = RawAccess<>::oop_load(p); if (!CompressedOops::is_null(oop_or_narrowoop)) {
oop o = CompressedOops::decode_not_null(oop_or_narrowoop);
HeapRegion* hr = _g1h->heap_region_containing(o);
assert(!_g1h->is_in_cset(o) || hr->rem_set()->code_roots_list_contains(_nm), "if o still in collection set then evacuation failed and nm must already be in the remset");
hr->add_code_root(_nm);
}
}
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