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3d6d1ec64b
8164984: Improper use of is_oop in production code Replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified Reviewed-by: iklam, kvn, dholmes
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
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#define SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
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#include "gc/g1/g1RemSet.hpp"
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#include "gc/g1/heapRegion.hpp"
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#include "gc/g1/heapRegionRemSet.hpp"
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#include "oops/oop.inline.hpp"
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template <class T>
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inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) {
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oop obj = oopDesc::load_decode_heap_oop(p);
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if (obj == NULL) {
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return;
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}
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#ifdef ASSERT
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// can't do because of races
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// assert(oopDesc::is_oop_or_null(obj), "expected an oop");
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assert(check_obj_alignment(obj), "not oop aligned");
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assert(_g1->is_in_reserved(obj), "must be in heap");
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#endif // ASSERT
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assert(from->is_in_reserved(p) || from->is_starts_humongous(), "p is not in from");
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HeapRegion* to = _g1->heap_region_containing(obj);
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if (from != to) {
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assert(to->rem_set() != NULL, "Need per-region 'into' remsets.");
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to->rem_set()->add_reference(p, tid);
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}
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}
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template <class T>
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inline void RebuildRSOopClosure::do_oop_work(T* p) {
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assert(_from != NULL, "from region must be non-NULL");
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_rs->par_write_ref(_from, p, _worker_i);
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}
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#endif // SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
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