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101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
/*
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* Copyright (c) 1997, 2022, 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_RUNTIME_GLOBALS_SHARED_HPP
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#define SHARE_RUNTIME_GLOBALS_SHARED_HPP
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#include "utilities/align.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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#include <float.h> // for DBL_MAX
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// The larger HeapWordSize for 64bit requires larger heaps
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// for the same application running in 64bit. See bug 4967770.
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// The minimum alignment to a heap word size is done. Other
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// parts of the memory system may require additional alignment
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// and are responsible for those alignments.
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#ifdef _LP64
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#define ScaleForWordSize(x) align_down((x) * 13 / 10, HeapWordSize)
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#else
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#define ScaleForWordSize(x) (x)
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#endif
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// use this for flags that are true by default in the debug version but
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// false in the optimized version, and vice versa
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#ifdef ASSERT
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#define trueInDebug true
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#define falseInDebug false
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#else
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#define trueInDebug false
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#define falseInDebug true
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#endif
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// use this for flags that are true per default in the product build
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// but false in development builds, and vice versa
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#ifdef PRODUCT
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#define trueInProduct true
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#define falseInProduct false
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#else
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#define trueInProduct false
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#define falseInProduct true
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#endif
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// Only materialize src code for range checking when required, ignore otherwise
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#define IGNORE_RANGE(a, b)
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// Only materialize src code for constraint checking when required, ignore otherwise
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#define IGNORE_CONSTRAINT(func,type)
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#define IGNORE_FLAG(...)
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#define DECLARE_PRODUCT_FLAG(type, name, value, ...) extern "C" type name;
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#define DECLARE_PD_PRODUCT_FLAG(type, name, ...) extern "C" type name;
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#ifdef PRODUCT
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#define DECLARE_DEVELOPER_FLAG(type, name, value, ...) const type name = value;
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#define DECLARE_PD_DEVELOPER_FLAG(type, name, ...) const type name = pd_##name;
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#define DECLARE_NOTPRODUCT_FLAG(type, name, value, ...) const type name = value;
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#else
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#define DECLARE_DEVELOPER_FLAG(type, name, value, ...) extern "C" type name;
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#define DECLARE_PD_DEVELOPER_FLAG(type, name, ...) extern "C" type name;
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#define DECLARE_NOTPRODUCT_FLAG(type, name, value, ...) extern "C" type name;
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#endif // PRODUCT
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#define DECLARE_FLAGS(flag_group) \
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flag_group(DECLARE_DEVELOPER_FLAG, \
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DECLARE_PD_DEVELOPER_FLAG, \
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DECLARE_PRODUCT_FLAG, \
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DECLARE_PD_PRODUCT_FLAG, \
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DECLARE_NOTPRODUCT_FLAG, \
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IGNORE_RANGE, \
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IGNORE_CONSTRAINT)
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#define DECLARE_ARCH_FLAGS(flag_group) \
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flag_group(DECLARE_DEVELOPER_FLAG, \
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DECLARE_PRODUCT_FLAG, \
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DECLARE_NOTPRODUCT_FLAG, \
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IGNORE_RANGE, \
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IGNORE_CONSTRAINT)
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#endif // SHARE_RUNTIME_GLOBALS_SHARED_HPP
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