8222185: Shenandoah should report "committed" as capacity
Reviewed-by: zgu, rkennke
/*
* Copyright (c) 2015, 2018, Red Hat, Inc. All rights reserved.
*
* 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
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*/
#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHBROOKSPOINTER_INLINE_HPP
#define SHARE_GC_SHENANDOAH_SHENANDOAHBROOKSPOINTER_INLINE_HPP
#include "gc/shenandoah/shenandoahAsserts.hpp"
#include "gc/shenandoah/shenandoahBrooksPointer.hpp"
#include "runtime/atomic.hpp"
inline HeapWord** ShenandoahBrooksPointer::brooks_ptr_addr(oop obj) {
return (HeapWord**)((HeapWord*) obj + word_offset());
}
inline void ShenandoahBrooksPointer::initialize(oop obj) {
shenandoah_assert_in_heap(NULL, obj);
*brooks_ptr_addr(obj) = (HeapWord*) obj;
}
inline void ShenandoahBrooksPointer::set_raw(oop obj, HeapWord* update) {
shenandoah_assert_in_heap(NULL, obj);
*brooks_ptr_addr(obj) = update;
}
inline HeapWord* ShenandoahBrooksPointer::get_raw(oop obj) {
shenandoah_assert_in_heap(NULL, obj);
return *brooks_ptr_addr(obj);
}
inline HeapWord* ShenandoahBrooksPointer::get_raw_unchecked(oop obj) {
return *brooks_ptr_addr(obj);
}
inline oop ShenandoahBrooksPointer::forwardee(oop obj) {
shenandoah_assert_correct(NULL, obj);
return oop(*brooks_ptr_addr(obj));
}
inline oop ShenandoahBrooksPointer::try_update_forwardee(oop obj, oop update) {
oop result = (oop) Atomic::cmpxchg(update, (oop*)brooks_ptr_addr(obj), obj);
shenandoah_assert_correct_except(NULL, obj, !oopDesc::equals_raw(result, obj));
return result;
}
#endif // SHARE_GC_SHENANDOAH_SHENANDOAHBROOKSPOINTER_INLINE_HPP