src/hotspot/cpu/aarch64/vm_version_ext_aarch64.hpp
author zgu
Thu, 07 Nov 2019 09:41:22 -0500
changeset 58964 029d941c2e35
parent 53244 9807daeb47c4
child 59122 5d73255c2d52
permissions -rw-r--r--
8233796: Shenandoah is broken after 8233708 Reviewed-by: rkennke
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/*
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 * Copyright (c) 2016, 2019, 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 CPU_AARCH64_VM_VERSION_EXT_AARCH64_HPP
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#define CPU_AARCH64_VM_VERSION_EXT_AARCH64_HPP
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#include "utilities/macros.hpp"
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#include "vm_version_aarch64.hpp"
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class VM_Version_Ext : public VM_Version {
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 private:
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  static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
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  static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;
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  static int               _no_of_threads;
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  static int               _no_of_cores;
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  static int               _no_of_sockets;
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  static bool              _initialized;
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  static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
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  static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];
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 public:
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  static int number_of_threads(void);
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  static int number_of_cores(void);
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  static int number_of_sockets(void);
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  static const char* cpu_name(void);
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  static const char* cpu_description(void);
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  static void initialize_cpu_information(void);
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};
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#endif // CPU_AARCH64_VM_VERSION_EXT_AARCH64_HPP