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products/Sources/formale Sprachen/Java/Openjdk/src/hotspot/share/oops/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle objArrayOop.inline.hpp Sprache: C

/*
* Copyright (c) 2015, 2020, 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
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#ifndef SHARE_OOPS_OBJARRAYOOP_INLINE_HPP
#define SHARE_OOPS_OBJARRAYOOP_INLINE_HPP

#include "oops/objArrayOop.hpp"

#include "oops/access.hpp"
#include "oops/arrayOop.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/globals.hpp"

inline HeapWord* objArrayOopDesc::base() const { return (HeapWord*) arrayOopDesc::base(T_OBJECT); }

template <class T> T* objArrayOopDesc::obj_at_addr(int index) const {
  assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
  return &((T*)base())[index];
}

inline oop objArrayOopDesc::obj_at(int index) const {
  assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
  ptrdiff_t offset = UseCompressedOops ? obj_at_offset<narrowOop>(index) : obj_at_offset<oop>(index);
  return HeapAccess<IS_ARRAY>::oop_load_at(as_oop(), offset);
}

inline void objArrayOopDesc::obj_at_put(int index, oop value) {
  assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
  ptrdiff_t offset = UseCompressedOops ? obj_at_offset<narrowOop>(index) : obj_at_offset<oop>(index);
  HeapAccess<IS_ARRAY>::oop_store_at(as_oop(), offset, value);
}

#endif // SHARE_OOPS_OBJARRAYOOP_INLINE_HPP

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