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vm_version_bsd_x86.cpp 
47 строк · 1.6 Кб
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/*
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 * Copyright (c) 2006, 2023, 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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#include "precompiled.hpp"
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#include "runtime/os.hpp"
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#include "runtime/vm_version.hpp"
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#ifdef __APPLE__
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#include <sys/types.h>
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#include <sys/sysctl.h>
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bool VM_Version::is_cpu_emulated() {
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  int ret = 0;
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  size_t size = sizeof(ret);
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  // Is this process being ran in Rosetta (i.e. emulation) mode on macOS?
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  if (sysctlbyname("sysctl.proc_translated", &ret, &size, nullptr, 0) == -1) {
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    // errno == ENOENT is a valid response, but anything else is a real error
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    if (errno != ENOENT) {
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      warning("unable to lookup sysctl.proc_translated");
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    }
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  }
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  return (ret==1);
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}
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#endif
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