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d20034b09c
Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Co-authored-by: Per Liden <pliden@openjdk.org> Co-authored-by: Stefan Johansson <sjohanss@openjdk.org> Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org> Co-authored-by: Erik Helin <ehelin@openjdk.org> Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org> Co-authored-by: Nils Eliasson <neliasso@openjdk.org> Co-authored-by: Martin Doerr <mdoerr@openjdk.org> Co-authored-by: Leslie Zhai <lzhai@openjdk.org> Co-authored-by: Fei Yang <fyang@openjdk.org> Co-authored-by: Yadong Wang <yadongwang@openjdk.org> Reviewed-by: eosterlund, aboldtch, rcastanedalo
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/*
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* Copyright (c) 2019, 2020, 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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#ifndef OS_BSD_GC_X_XPHYSICALMEMORYBACKING_BSD_HPP
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#define OS_BSD_GC_X_XPHYSICALMEMORYBACKING_BSD_HPP
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class XPhysicalMemoryBacking {
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private:
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uintptr_t _base;
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bool _initialized;
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bool commit_inner(size_t offset, size_t length) const;
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public:
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XPhysicalMemoryBacking(size_t max_capacity);
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bool is_initialized() const;
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void warn_commit_limits(size_t max_capacity) const;
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size_t commit(size_t offset, size_t length) const;
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size_t uncommit(size_t offset, size_t length) const;
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void map(uintptr_t addr, size_t size, uintptr_t offset) const;
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void unmap(uintptr_t addr, size_t size) const;
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};
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#endif // OS_BSD_GC_X_XPHYSICALMEMORYBACKING_BSD_HPP
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